chushihua

This commit is contained in:
li
2026-01-26 23:20:48 +08:00
commit 7b5aab0206
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src
test
node_modules
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# babel-traverse
> babel-traverse maintains the overall tree state, and is responsible for replacing, removing, and adding nodes.
## Install
```sh
$ npm install --save babel-traverse
```
## Usage
We can use it alongside Babylon to traverse and update nodes:
```js
import * as babylon from "babylon";
import traverse from "babel-traverse";
const code = `function square(n) {
return n * n;
}`;
const ast = babylon.parse(code);
traverse(ast, {
enter(path) {
if (path.isIdentifier({ name: "n" })) {
path.node.name = "x";
}
}
});
```
[:book: **Read the full docs here**](https://github.com/thejameskyle/babel-handbook/blob/master/translations/en/plugin-handbook.md#babel-traverse)
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"use strict";
exports.__esModule = true;
exports.scope = exports.path = undefined;
var _weakMap = require("babel-runtime/core-js/weak-map");
var _weakMap2 = _interopRequireDefault(_weakMap);
exports.clear = clear;
exports.clearPath = clearPath;
exports.clearScope = clearScope;
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
var path = exports.path = new _weakMap2.default();
var scope = exports.scope = new _weakMap2.default();
function clear() {
clearPath();
clearScope();
}
function clearPath() {
exports.path = path = new _weakMap2.default();
}
function clearScope() {
exports.scope = scope = new _weakMap2.default();
}
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"use strict";
exports.__esModule = true;
var _getIterator2 = require("babel-runtime/core-js/get-iterator");
var _getIterator3 = _interopRequireDefault(_getIterator2);
var _classCallCheck2 = require("babel-runtime/helpers/classCallCheck");
var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);
var _path2 = require("./path");
var _path3 = _interopRequireDefault(_path2);
var _babelTypes = require("babel-types");
var t = _interopRequireWildcard(_babelTypes);
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
var testing = process.env.NODE_ENV === "test";
var TraversalContext = function () {
function TraversalContext(scope, opts, state, parentPath) {
(0, _classCallCheck3.default)(this, TraversalContext);
this.queue = null;
this.parentPath = parentPath;
this.scope = scope;
this.state = state;
this.opts = opts;
}
TraversalContext.prototype.shouldVisit = function shouldVisit(node) {
var opts = this.opts;
if (opts.enter || opts.exit) return true;
if (opts[node.type]) return true;
var keys = t.VISITOR_KEYS[node.type];
if (!keys || !keys.length) return false;
for (var _iterator = keys, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : (0, _getIterator3.default)(_iterator);;) {
var _ref;
if (_isArray) {
if (_i >= _iterator.length) break;
_ref = _iterator[_i++];
} else {
_i = _iterator.next();
if (_i.done) break;
_ref = _i.value;
}
var key = _ref;
if (node[key]) return true;
}
return false;
};
TraversalContext.prototype.create = function create(node, obj, key, listKey) {
return _path3.default.get({
parentPath: this.parentPath,
parent: node,
container: obj,
key: key,
listKey: listKey
});
};
TraversalContext.prototype.maybeQueue = function maybeQueue(path, notPriority) {
if (this.trap) {
throw new Error("Infinite cycle detected");
}
if (this.queue) {
if (notPriority) {
this.queue.push(path);
} else {
this.priorityQueue.push(path);
}
}
};
TraversalContext.prototype.visitMultiple = function visitMultiple(container, parent, listKey) {
if (container.length === 0) return false;
var queue = [];
for (var key = 0; key < container.length; key++) {
var node = container[key];
if (node && this.shouldVisit(node)) {
queue.push(this.create(parent, container, key, listKey));
}
}
return this.visitQueue(queue);
};
TraversalContext.prototype.visitSingle = function visitSingle(node, key) {
if (this.shouldVisit(node[key])) {
return this.visitQueue([this.create(node, node, key)]);
} else {
return false;
}
};
TraversalContext.prototype.visitQueue = function visitQueue(queue) {
this.queue = queue;
this.priorityQueue = [];
var visited = [];
var stop = false;
for (var _iterator2 = queue, _isArray2 = Array.isArray(_iterator2), _i2 = 0, _iterator2 = _isArray2 ? _iterator2 : (0, _getIterator3.default)(_iterator2);;) {
var _ref2;
if (_isArray2) {
if (_i2 >= _iterator2.length) break;
_ref2 = _iterator2[_i2++];
} else {
_i2 = _iterator2.next();
if (_i2.done) break;
_ref2 = _i2.value;
}
var path = _ref2;
path.resync();
if (path.contexts.length === 0 || path.contexts[path.contexts.length - 1] !== this) {
path.pushContext(this);
}
if (path.key === null) continue;
if (testing && queue.length >= 10000) {
this.trap = true;
}
if (visited.indexOf(path.node) >= 0) continue;
visited.push(path.node);
if (path.visit()) {
stop = true;
break;
}
if (this.priorityQueue.length) {
stop = this.visitQueue(this.priorityQueue);
this.priorityQueue = [];
this.queue = queue;
if (stop) break;
}
}
for (var _iterator3 = queue, _isArray3 = Array.isArray(_iterator3), _i3 = 0, _iterator3 = _isArray3 ? _iterator3 : (0, _getIterator3.default)(_iterator3);;) {
var _ref3;
if (_isArray3) {
if (_i3 >= _iterator3.length) break;
_ref3 = _iterator3[_i3++];
} else {
_i3 = _iterator3.next();
if (_i3.done) break;
_ref3 = _i3.value;
}
var _path = _ref3;
_path.popContext();
}
this.queue = null;
return stop;
};
TraversalContext.prototype.visit = function visit(node, key) {
var nodes = node[key];
if (!nodes) return false;
if (Array.isArray(nodes)) {
return this.visitMultiple(nodes, node, key);
} else {
return this.visitSingle(node, key);
}
};
return TraversalContext;
}();
exports.default = TraversalContext;
module.exports = exports["default"];
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"use strict";
exports.__esModule = true;
var _classCallCheck2 = require("babel-runtime/helpers/classCallCheck");
var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
var Hub = function Hub(file, options) {
(0, _classCallCheck3.default)(this, Hub);
this.file = file;
this.options = options;
};
exports.default = Hub;
module.exports = exports["default"];
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"use strict";
exports.__esModule = true;
exports.visitors = exports.Hub = exports.Scope = exports.NodePath = undefined;
var _getIterator2 = require("babel-runtime/core-js/get-iterator");
var _getIterator3 = _interopRequireDefault(_getIterator2);
var _path = require("./path");
Object.defineProperty(exports, "NodePath", {
enumerable: true,
get: function get() {
return _interopRequireDefault(_path).default;
}
});
var _scope = require("./scope");
Object.defineProperty(exports, "Scope", {
enumerable: true,
get: function get() {
return _interopRequireDefault(_scope).default;
}
});
var _hub = require("./hub");
Object.defineProperty(exports, "Hub", {
enumerable: true,
get: function get() {
return _interopRequireDefault(_hub).default;
}
});
exports.default = traverse;
var _context = require("./context");
var _context2 = _interopRequireDefault(_context);
var _visitors = require("./visitors");
var visitors = _interopRequireWildcard(_visitors);
var _babelMessages = require("babel-messages");
var messages = _interopRequireWildcard(_babelMessages);
var _includes = require("lodash/includes");
var _includes2 = _interopRequireDefault(_includes);
var _babelTypes = require("babel-types");
var t = _interopRequireWildcard(_babelTypes);
var _cache = require("./cache");
var cache = _interopRequireWildcard(_cache);
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
exports.visitors = visitors;
function traverse(parent, opts, scope, state, parentPath) {
if (!parent) return;
if (!opts) opts = {};
if (!opts.noScope && !scope) {
if (parent.type !== "Program" && parent.type !== "File") {
throw new Error(messages.get("traverseNeedsParent", parent.type));
}
}
visitors.explode(opts);
traverse.node(parent, opts, scope, state, parentPath);
}
traverse.visitors = visitors;
traverse.verify = visitors.verify;
traverse.explode = visitors.explode;
traverse.NodePath = require("./path");
traverse.Scope = require("./scope");
traverse.Hub = require("./hub");
traverse.cheap = function (node, enter) {
return t.traverseFast(node, enter);
};
traverse.node = function (node, opts, scope, state, parentPath, skipKeys) {
var keys = t.VISITOR_KEYS[node.type];
if (!keys) return;
var context = new _context2.default(scope, opts, state, parentPath);
for (var _iterator = keys, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : (0, _getIterator3.default)(_iterator);;) {
var _ref;
if (_isArray) {
if (_i >= _iterator.length) break;
_ref = _iterator[_i++];
} else {
_i = _iterator.next();
if (_i.done) break;
_ref = _i.value;
}
var key = _ref;
if (skipKeys && skipKeys[key]) continue;
if (context.visit(node, key)) return;
}
};
traverse.clearNode = function (node, opts) {
t.removeProperties(node, opts);
cache.path.delete(node);
};
traverse.removeProperties = function (tree, opts) {
t.traverseFast(tree, traverse.clearNode, opts);
return tree;
};
function hasBlacklistedType(path, state) {
if (path.node.type === state.type) {
state.has = true;
path.stop();
}
}
traverse.hasType = function (tree, scope, type, blacklistTypes) {
if ((0, _includes2.default)(blacklistTypes, tree.type)) return false;
if (tree.type === type) return true;
var state = {
has: false,
type: type
};
traverse(tree, {
blacklist: blacklistTypes,
enter: hasBlacklistedType
}, scope, state);
return state.has;
};
traverse.clearCache = function () {
cache.clear();
};
traverse.clearCache.clearPath = cache.clearPath;
traverse.clearCache.clearScope = cache.clearScope;
traverse.copyCache = function (source, destination) {
if (cache.path.has(source)) {
cache.path.set(destination, cache.path.get(source));
}
};
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"use strict";
exports.__esModule = true;
var _getIterator2 = require("babel-runtime/core-js/get-iterator");
var _getIterator3 = _interopRequireDefault(_getIterator2);
exports.findParent = findParent;
exports.find = find;
exports.getFunctionParent = getFunctionParent;
exports.getStatementParent = getStatementParent;
exports.getEarliestCommonAncestorFrom = getEarliestCommonAncestorFrom;
exports.getDeepestCommonAncestorFrom = getDeepestCommonAncestorFrom;
exports.getAncestry = getAncestry;
exports.isAncestor = isAncestor;
exports.isDescendant = isDescendant;
exports.inType = inType;
exports.inShadow = inShadow;
var _babelTypes = require("babel-types");
var t = _interopRequireWildcard(_babelTypes);
var _index = require("./index");
var _index2 = _interopRequireDefault(_index);
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function findParent(callback) {
var path = this;
while (path = path.parentPath) {
if (callback(path)) return path;
}
return null;
}
function find(callback) {
var path = this;
do {
if (callback(path)) return path;
} while (path = path.parentPath);
return null;
}
function getFunctionParent() {
return this.findParent(function (path) {
return path.isFunction() || path.isProgram();
});
}
function getStatementParent() {
var path = this;
do {
if (Array.isArray(path.container)) {
return path;
}
} while (path = path.parentPath);
}
function getEarliestCommonAncestorFrom(paths) {
return this.getDeepestCommonAncestorFrom(paths, function (deepest, i, ancestries) {
var earliest = void 0;
var keys = t.VISITOR_KEYS[deepest.type];
for (var _iterator = ancestries, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : (0, _getIterator3.default)(_iterator);;) {
var _ref;
if (_isArray) {
if (_i >= _iterator.length) break;
_ref = _iterator[_i++];
} else {
_i = _iterator.next();
if (_i.done) break;
_ref = _i.value;
}
var ancestry = _ref;
var path = ancestry[i + 1];
if (!earliest) {
earliest = path;
continue;
}
if (path.listKey && earliest.listKey === path.listKey) {
if (path.key < earliest.key) {
earliest = path;
continue;
}
}
var earliestKeyIndex = keys.indexOf(earliest.parentKey);
var currentKeyIndex = keys.indexOf(path.parentKey);
if (earliestKeyIndex > currentKeyIndex) {
earliest = path;
}
}
return earliest;
});
}
function getDeepestCommonAncestorFrom(paths, filter) {
var _this = this;
if (!paths.length) {
return this;
}
if (paths.length === 1) {
return paths[0];
}
var minDepth = Infinity;
var lastCommonIndex = void 0,
lastCommon = void 0;
var ancestries = paths.map(function (path) {
var ancestry = [];
do {
ancestry.unshift(path);
} while ((path = path.parentPath) && path !== _this);
if (ancestry.length < minDepth) {
minDepth = ancestry.length;
}
return ancestry;
});
var first = ancestries[0];
depthLoop: for (var i = 0; i < minDepth; i++) {
var shouldMatch = first[i];
for (var _iterator2 = ancestries, _isArray2 = Array.isArray(_iterator2), _i2 = 0, _iterator2 = _isArray2 ? _iterator2 : (0, _getIterator3.default)(_iterator2);;) {
var _ref2;
if (_isArray2) {
if (_i2 >= _iterator2.length) break;
_ref2 = _iterator2[_i2++];
} else {
_i2 = _iterator2.next();
if (_i2.done) break;
_ref2 = _i2.value;
}
var ancestry = _ref2;
if (ancestry[i] !== shouldMatch) {
break depthLoop;
}
}
lastCommonIndex = i;
lastCommon = shouldMatch;
}
if (lastCommon) {
if (filter) {
return filter(lastCommon, lastCommonIndex, ancestries);
} else {
return lastCommon;
}
} else {
throw new Error("Couldn't find intersection");
}
}
function getAncestry() {
var path = this;
var paths = [];
do {
paths.push(path);
} while (path = path.parentPath);
return paths;
}
function isAncestor(maybeDescendant) {
return maybeDescendant.isDescendant(this);
}
function isDescendant(maybeAncestor) {
return !!this.findParent(function (parent) {
return parent === maybeAncestor;
});
}
function inType() {
var path = this;
while (path) {
for (var _iterator3 = arguments, _isArray3 = Array.isArray(_iterator3), _i3 = 0, _iterator3 = _isArray3 ? _iterator3 : (0, _getIterator3.default)(_iterator3);;) {
var _ref3;
if (_isArray3) {
if (_i3 >= _iterator3.length) break;
_ref3 = _iterator3[_i3++];
} else {
_i3 = _iterator3.next();
if (_i3.done) break;
_ref3 = _i3.value;
}
var type = _ref3;
if (path.node.type === type) return true;
}
path = path.parentPath;
}
return false;
}
function inShadow(key) {
var parentFn = this.isFunction() ? this : this.findParent(function (p) {
return p.isFunction();
});
if (!parentFn) return;
if (parentFn.isFunctionExpression() || parentFn.isFunctionDeclaration()) {
var shadow = parentFn.node.shadow;
if (shadow && (!key || shadow[key] !== false)) {
return parentFn;
}
} else if (parentFn.isArrowFunctionExpression()) {
return parentFn;
}
return null;
}
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"use strict";
exports.__esModule = true;
exports.shareCommentsWithSiblings = shareCommentsWithSiblings;
exports.addComment = addComment;
exports.addComments = addComments;
function shareCommentsWithSiblings() {
if (typeof this.key === "string") return;
var node = this.node;
if (!node) return;
var trailing = node.trailingComments;
var leading = node.leadingComments;
if (!trailing && !leading) return;
var prev = this.getSibling(this.key - 1);
var next = this.getSibling(this.key + 1);
if (!prev.node) prev = next;
if (!next.node) next = prev;
prev.addComments("trailing", leading);
next.addComments("leading", trailing);
}
function addComment(type, content, line) {
this.addComments(type, [{
type: line ? "CommentLine" : "CommentBlock",
value: content
}]);
}
function addComments(type, comments) {
if (!comments) return;
var node = this.node;
if (!node) return;
var key = type + "Comments";
if (node[key]) {
node[key] = node[key].concat(comments);
} else {
node[key] = comments;
}
}
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"use strict";
exports.__esModule = true;
var _getIterator2 = require("babel-runtime/core-js/get-iterator");
var _getIterator3 = _interopRequireDefault(_getIterator2);
exports.call = call;
exports._call = _call;
exports.isBlacklisted = isBlacklisted;
exports.visit = visit;
exports.skip = skip;
exports.skipKey = skipKey;
exports.stop = stop;
exports.setScope = setScope;
exports.setContext = setContext;
exports.resync = resync;
exports._resyncParent = _resyncParent;
exports._resyncKey = _resyncKey;
exports._resyncList = _resyncList;
exports._resyncRemoved = _resyncRemoved;
exports.popContext = popContext;
exports.pushContext = pushContext;
exports.setup = setup;
exports.setKey = setKey;
exports.requeue = requeue;
exports._getQueueContexts = _getQueueContexts;
var _index = require("../index");
var _index2 = _interopRequireDefault(_index);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function call(key) {
var opts = this.opts;
this.debug(function () {
return key;
});
if (this.node) {
if (this._call(opts[key])) return true;
}
if (this.node) {
return this._call(opts[this.node.type] && opts[this.node.type][key]);
}
return false;
}
function _call(fns) {
if (!fns) return false;
for (var _iterator = fns, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : (0, _getIterator3.default)(_iterator);;) {
var _ref;
if (_isArray) {
if (_i >= _iterator.length) break;
_ref = _iterator[_i++];
} else {
_i = _iterator.next();
if (_i.done) break;
_ref = _i.value;
}
var fn = _ref;
if (!fn) continue;
var node = this.node;
if (!node) return true;
var ret = fn.call(this.state, this, this.state);
if (ret) throw new Error("Unexpected return value from visitor method " + fn);
if (this.node !== node) return true;
if (this.shouldStop || this.shouldSkip || this.removed) return true;
}
return false;
}
function isBlacklisted() {
var blacklist = this.opts.blacklist;
return blacklist && blacklist.indexOf(this.node.type) > -1;
}
function visit() {
if (!this.node) {
return false;
}
if (this.isBlacklisted()) {
return false;
}
if (this.opts.shouldSkip && this.opts.shouldSkip(this)) {
return false;
}
if (this.call("enter") || this.shouldSkip) {
this.debug(function () {
return "Skip...";
});
return this.shouldStop;
}
this.debug(function () {
return "Recursing into...";
});
_index2.default.node(this.node, this.opts, this.scope, this.state, this, this.skipKeys);
this.call("exit");
return this.shouldStop;
}
function skip() {
this.shouldSkip = true;
}
function skipKey(key) {
this.skipKeys[key] = true;
}
function stop() {
this.shouldStop = true;
this.shouldSkip = true;
}
function setScope() {
if (this.opts && this.opts.noScope) return;
var target = this.context && this.context.scope;
if (!target) {
var path = this.parentPath;
while (path && !target) {
if (path.opts && path.opts.noScope) return;
target = path.scope;
path = path.parentPath;
}
}
this.scope = this.getScope(target);
if (this.scope) this.scope.init();
}
function setContext(context) {
this.shouldSkip = false;
this.shouldStop = false;
this.removed = false;
this.skipKeys = {};
if (context) {
this.context = context;
this.state = context.state;
this.opts = context.opts;
}
this.setScope();
return this;
}
function resync() {
if (this.removed) return;
this._resyncParent();
this._resyncList();
this._resyncKey();
}
function _resyncParent() {
if (this.parentPath) {
this.parent = this.parentPath.node;
}
}
function _resyncKey() {
if (!this.container) return;
if (this.node === this.container[this.key]) return;
if (Array.isArray(this.container)) {
for (var i = 0; i < this.container.length; i++) {
if (this.container[i] === this.node) {
return this.setKey(i);
}
}
} else {
for (var key in this.container) {
if (this.container[key] === this.node) {
return this.setKey(key);
}
}
}
this.key = null;
}
function _resyncList() {
if (!this.parent || !this.inList) return;
var newContainer = this.parent[this.listKey];
if (this.container === newContainer) return;
this.container = newContainer || null;
}
function _resyncRemoved() {
if (this.key == null || !this.container || this.container[this.key] !== this.node) {
this._markRemoved();
}
}
function popContext() {
this.contexts.pop();
this.setContext(this.contexts[this.contexts.length - 1]);
}
function pushContext(context) {
this.contexts.push(context);
this.setContext(context);
}
function setup(parentPath, container, listKey, key) {
this.inList = !!listKey;
this.listKey = listKey;
this.parentKey = listKey || key;
this.container = container;
this.parentPath = parentPath || this.parentPath;
this.setKey(key);
}
function setKey(key) {
this.key = key;
this.node = this.container[this.key];
this.type = this.node && this.node.type;
}
function requeue() {
var pathToQueue = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : this;
if (pathToQueue.removed) return;
var contexts = this.contexts;
for (var _iterator2 = contexts, _isArray2 = Array.isArray(_iterator2), _i2 = 0, _iterator2 = _isArray2 ? _iterator2 : (0, _getIterator3.default)(_iterator2);;) {
var _ref2;
if (_isArray2) {
if (_i2 >= _iterator2.length) break;
_ref2 = _iterator2[_i2++];
} else {
_i2 = _iterator2.next();
if (_i2.done) break;
_ref2 = _i2.value;
}
var context = _ref2;
context.maybeQueue(pathToQueue);
}
}
function _getQueueContexts() {
var path = this;
var contexts = this.contexts;
while (!contexts.length) {
path = path.parentPath;
contexts = path.contexts;
}
return contexts;
}
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"use strict";
exports.__esModule = true;
exports.toComputedKey = toComputedKey;
exports.ensureBlock = ensureBlock;
exports.arrowFunctionToShadowed = arrowFunctionToShadowed;
var _babelTypes = require("babel-types");
var t = _interopRequireWildcard(_babelTypes);
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
function toComputedKey() {
var node = this.node;
var key = void 0;
if (this.isMemberExpression()) {
key = node.property;
} else if (this.isProperty() || this.isMethod()) {
key = node.key;
} else {
throw new ReferenceError("todo");
}
if (!node.computed) {
if (t.isIdentifier(key)) key = t.stringLiteral(key.name);
}
return key;
}
function ensureBlock() {
return t.ensureBlock(this.node);
}
function arrowFunctionToShadowed() {
if (!this.isArrowFunctionExpression()) return;
this.ensureBlock();
var node = this.node;
node.expression = false;
node.type = "FunctionExpression";
node.shadow = node.shadow || true;
}
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"use strict";
exports.__esModule = true;
var _typeof2 = require("babel-runtime/helpers/typeof");
var _typeof3 = _interopRequireDefault(_typeof2);
var _getIterator2 = require("babel-runtime/core-js/get-iterator");
var _getIterator3 = _interopRequireDefault(_getIterator2);
var _map = require("babel-runtime/core-js/map");
var _map2 = _interopRequireDefault(_map);
exports.evaluateTruthy = evaluateTruthy;
exports.evaluate = evaluate;
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
var VALID_CALLEES = ["String", "Number", "Math"];
var INVALID_METHODS = ["random"];
function evaluateTruthy() {
var res = this.evaluate();
if (res.confident) return !!res.value;
}
function evaluate() {
var confident = true;
var deoptPath = void 0;
var seen = new _map2.default();
function deopt(path) {
if (!confident) return;
deoptPath = path;
confident = false;
}
var value = evaluate(this);
if (!confident) value = undefined;
return {
confident: confident,
deopt: deoptPath,
value: value
};
function evaluate(path) {
var node = path.node;
if (seen.has(node)) {
var existing = seen.get(node);
if (existing.resolved) {
return existing.value;
} else {
deopt(path);
return;
}
} else {
var item = { resolved: false };
seen.set(node, item);
var val = _evaluate(path);
if (confident) {
item.resolved = true;
item.value = val;
}
return val;
}
}
function _evaluate(path) {
if (!confident) return;
var node = path.node;
if (path.isSequenceExpression()) {
var exprs = path.get("expressions");
return evaluate(exprs[exprs.length - 1]);
}
if (path.isStringLiteral() || path.isNumericLiteral() || path.isBooleanLiteral()) {
return node.value;
}
if (path.isNullLiteral()) {
return null;
}
if (path.isTemplateLiteral()) {
var str = "";
var i = 0;
var _exprs = path.get("expressions");
for (var _iterator = node.quasis, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : (0, _getIterator3.default)(_iterator);;) {
var _ref;
if (_isArray) {
if (_i >= _iterator.length) break;
_ref = _iterator[_i++];
} else {
_i = _iterator.next();
if (_i.done) break;
_ref = _i.value;
}
var elem = _ref;
if (!confident) break;
str += elem.value.cooked;
var expr = _exprs[i++];
if (expr) str += String(evaluate(expr));
}
if (!confident) return;
return str;
}
if (path.isConditionalExpression()) {
var testResult = evaluate(path.get("test"));
if (!confident) return;
if (testResult) {
return evaluate(path.get("consequent"));
} else {
return evaluate(path.get("alternate"));
}
}
if (path.isExpressionWrapper()) {
return evaluate(path.get("expression"));
}
if (path.isMemberExpression() && !path.parentPath.isCallExpression({ callee: node })) {
var property = path.get("property");
var object = path.get("object");
if (object.isLiteral() && property.isIdentifier()) {
var _value = object.node.value;
var type = typeof _value === "undefined" ? "undefined" : (0, _typeof3.default)(_value);
if (type === "number" || type === "string") {
return _value[property.node.name];
}
}
}
if (path.isReferencedIdentifier()) {
var binding = path.scope.getBinding(node.name);
if (binding && binding.constantViolations.length > 0) {
return deopt(binding.path);
}
if (binding && path.node.start < binding.path.node.end) {
return deopt(binding.path);
}
if (binding && binding.hasValue) {
return binding.value;
} else {
if (node.name === "undefined") {
return binding ? deopt(binding.path) : undefined;
} else if (node.name === "Infinity") {
return binding ? deopt(binding.path) : Infinity;
} else if (node.name === "NaN") {
return binding ? deopt(binding.path) : NaN;
}
var resolved = path.resolve();
if (resolved === path) {
return deopt(path);
} else {
return evaluate(resolved);
}
}
}
if (path.isUnaryExpression({ prefix: true })) {
if (node.operator === "void") {
return undefined;
}
var argument = path.get("argument");
if (node.operator === "typeof" && (argument.isFunction() || argument.isClass())) {
return "function";
}
var arg = evaluate(argument);
if (!confident) return;
switch (node.operator) {
case "!":
return !arg;
case "+":
return +arg;
case "-":
return -arg;
case "~":
return ~arg;
case "typeof":
return typeof arg === "undefined" ? "undefined" : (0, _typeof3.default)(arg);
}
}
if (path.isArrayExpression()) {
var arr = [];
var elems = path.get("elements");
for (var _iterator2 = elems, _isArray2 = Array.isArray(_iterator2), _i2 = 0, _iterator2 = _isArray2 ? _iterator2 : (0, _getIterator3.default)(_iterator2);;) {
var _ref2;
if (_isArray2) {
if (_i2 >= _iterator2.length) break;
_ref2 = _iterator2[_i2++];
} else {
_i2 = _iterator2.next();
if (_i2.done) break;
_ref2 = _i2.value;
}
var _elem = _ref2;
_elem = _elem.evaluate();
if (_elem.confident) {
arr.push(_elem.value);
} else {
return deopt(_elem);
}
}
return arr;
}
if (path.isObjectExpression()) {
var obj = {};
var props = path.get("properties");
for (var _iterator3 = props, _isArray3 = Array.isArray(_iterator3), _i3 = 0, _iterator3 = _isArray3 ? _iterator3 : (0, _getIterator3.default)(_iterator3);;) {
var _ref3;
if (_isArray3) {
if (_i3 >= _iterator3.length) break;
_ref3 = _iterator3[_i3++];
} else {
_i3 = _iterator3.next();
if (_i3.done) break;
_ref3 = _i3.value;
}
var prop = _ref3;
if (prop.isObjectMethod() || prop.isSpreadProperty()) {
return deopt(prop);
}
var keyPath = prop.get("key");
var key = keyPath;
if (prop.node.computed) {
key = key.evaluate();
if (!key.confident) {
return deopt(keyPath);
}
key = key.value;
} else if (key.isIdentifier()) {
key = key.node.name;
} else {
key = key.node.value;
}
var valuePath = prop.get("value");
var _value2 = valuePath.evaluate();
if (!_value2.confident) {
return deopt(valuePath);
}
_value2 = _value2.value;
obj[key] = _value2;
}
return obj;
}
if (path.isLogicalExpression()) {
var wasConfident = confident;
var left = evaluate(path.get("left"));
var leftConfident = confident;
confident = wasConfident;
var right = evaluate(path.get("right"));
var rightConfident = confident;
confident = leftConfident && rightConfident;
switch (node.operator) {
case "||":
if (left && leftConfident) {
confident = true;
return left;
}
if (!confident) return;
return left || right;
case "&&":
if (!left && leftConfident || !right && rightConfident) {
confident = true;
}
if (!confident) return;
return left && right;
}
}
if (path.isBinaryExpression()) {
var _left = evaluate(path.get("left"));
if (!confident) return;
var _right = evaluate(path.get("right"));
if (!confident) return;
switch (node.operator) {
case "-":
return _left - _right;
case "+":
return _left + _right;
case "/":
return _left / _right;
case "*":
return _left * _right;
case "%":
return _left % _right;
case "**":
return Math.pow(_left, _right);
case "<":
return _left < _right;
case ">":
return _left > _right;
case "<=":
return _left <= _right;
case ">=":
return _left >= _right;
case "==":
return _left == _right;
case "!=":
return _left != _right;
case "===":
return _left === _right;
case "!==":
return _left !== _right;
case "|":
return _left | _right;
case "&":
return _left & _right;
case "^":
return _left ^ _right;
case "<<":
return _left << _right;
case ">>":
return _left >> _right;
case ">>>":
return _left >>> _right;
}
}
if (path.isCallExpression()) {
var callee = path.get("callee");
var context = void 0;
var func = void 0;
if (callee.isIdentifier() && !path.scope.getBinding(callee.node.name, true) && VALID_CALLEES.indexOf(callee.node.name) >= 0) {
func = global[node.callee.name];
}
if (callee.isMemberExpression()) {
var _object = callee.get("object");
var _property = callee.get("property");
if (_object.isIdentifier() && _property.isIdentifier() && VALID_CALLEES.indexOf(_object.node.name) >= 0 && INVALID_METHODS.indexOf(_property.node.name) < 0) {
context = global[_object.node.name];
func = context[_property.node.name];
}
if (_object.isLiteral() && _property.isIdentifier()) {
var _type = (0, _typeof3.default)(_object.node.value);
if (_type === "string" || _type === "number") {
context = _object.node.value;
func = context[_property.node.name];
}
}
}
if (func) {
var args = path.get("arguments").map(evaluate);
if (!confident) return;
return func.apply(context, args);
}
}
deopt(path);
}
}
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"use strict";
exports.__esModule = true;
var _create = require("babel-runtime/core-js/object/create");
var _create2 = _interopRequireDefault(_create);
var _getIterator2 = require("babel-runtime/core-js/get-iterator");
var _getIterator3 = _interopRequireDefault(_getIterator2);
exports.getStatementParent = getStatementParent;
exports.getOpposite = getOpposite;
exports.getCompletionRecords = getCompletionRecords;
exports.getSibling = getSibling;
exports.getPrevSibling = getPrevSibling;
exports.getNextSibling = getNextSibling;
exports.getAllNextSiblings = getAllNextSiblings;
exports.getAllPrevSiblings = getAllPrevSiblings;
exports.get = get;
exports._getKey = _getKey;
exports._getPattern = _getPattern;
exports.getBindingIdentifiers = getBindingIdentifiers;
exports.getOuterBindingIdentifiers = getOuterBindingIdentifiers;
exports.getBindingIdentifierPaths = getBindingIdentifierPaths;
exports.getOuterBindingIdentifierPaths = getOuterBindingIdentifierPaths;
var _index = require("./index");
var _index2 = _interopRequireDefault(_index);
var _babelTypes = require("babel-types");
var t = _interopRequireWildcard(_babelTypes);
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function getStatementParent() {
var path = this;
do {
if (!path.parentPath || Array.isArray(path.container) && path.isStatement()) {
break;
} else {
path = path.parentPath;
}
} while (path);
if (path && (path.isProgram() || path.isFile())) {
throw new Error("File/Program node, we can't possibly find a statement parent to this");
}
return path;
}
function getOpposite() {
if (this.key === "left") {
return this.getSibling("right");
} else if (this.key === "right") {
return this.getSibling("left");
}
}
function getCompletionRecords() {
var paths = [];
var add = function add(path) {
if (path) paths = paths.concat(path.getCompletionRecords());
};
if (this.isIfStatement()) {
add(this.get("consequent"));
add(this.get("alternate"));
} else if (this.isDoExpression() || this.isFor() || this.isWhile()) {
add(this.get("body"));
} else if (this.isProgram() || this.isBlockStatement()) {
add(this.get("body").pop());
} else if (this.isFunction()) {
return this.get("body").getCompletionRecords();
} else if (this.isTryStatement()) {
add(this.get("block"));
add(this.get("handler"));
add(this.get("finalizer"));
} else {
paths.push(this);
}
return paths;
}
function getSibling(key) {
return _index2.default.get({
parentPath: this.parentPath,
parent: this.parent,
container: this.container,
listKey: this.listKey,
key: key
});
}
function getPrevSibling() {
return this.getSibling(this.key - 1);
}
function getNextSibling() {
return this.getSibling(this.key + 1);
}
function getAllNextSiblings() {
var _key = this.key;
var sibling = this.getSibling(++_key);
var siblings = [];
while (sibling.node) {
siblings.push(sibling);
sibling = this.getSibling(++_key);
}
return siblings;
}
function getAllPrevSiblings() {
var _key = this.key;
var sibling = this.getSibling(--_key);
var siblings = [];
while (sibling.node) {
siblings.push(sibling);
sibling = this.getSibling(--_key);
}
return siblings;
}
function get(key, context) {
if (context === true) context = this.context;
var parts = key.split(".");
if (parts.length === 1) {
return this._getKey(key, context);
} else {
return this._getPattern(parts, context);
}
}
function _getKey(key, context) {
var _this = this;
var node = this.node;
var container = node[key];
if (Array.isArray(container)) {
return container.map(function (_, i) {
return _index2.default.get({
listKey: key,
parentPath: _this,
parent: node,
container: container,
key: i
}).setContext(context);
});
} else {
return _index2.default.get({
parentPath: this,
parent: node,
container: node,
key: key
}).setContext(context);
}
}
function _getPattern(parts, context) {
var path = this;
for (var _iterator = parts, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : (0, _getIterator3.default)(_iterator);;) {
var _ref;
if (_isArray) {
if (_i >= _iterator.length) break;
_ref = _iterator[_i++];
} else {
_i = _iterator.next();
if (_i.done) break;
_ref = _i.value;
}
var part = _ref;
if (part === ".") {
path = path.parentPath;
} else {
if (Array.isArray(path)) {
path = path[part];
} else {
path = path.get(part, context);
}
}
}
return path;
}
function getBindingIdentifiers(duplicates) {
return t.getBindingIdentifiers(this.node, duplicates);
}
function getOuterBindingIdentifiers(duplicates) {
return t.getOuterBindingIdentifiers(this.node, duplicates);
}
function getBindingIdentifierPaths() {
var duplicates = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
var outerOnly = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
var path = this;
var search = [].concat(path);
var ids = (0, _create2.default)(null);
while (search.length) {
var id = search.shift();
if (!id) continue;
if (!id.node) continue;
var keys = t.getBindingIdentifiers.keys[id.node.type];
if (id.isIdentifier()) {
if (duplicates) {
var _ids = ids[id.node.name] = ids[id.node.name] || [];
_ids.push(id);
} else {
ids[id.node.name] = id;
}
continue;
}
if (id.isExportDeclaration()) {
var declaration = id.get("declaration");
if (declaration.isDeclaration()) {
search.push(declaration);
}
continue;
}
if (outerOnly) {
if (id.isFunctionDeclaration()) {
search.push(id.get("id"));
continue;
}
if (id.isFunctionExpression()) {
continue;
}
}
if (keys) {
for (var i = 0; i < keys.length; i++) {
var key = keys[i];
var child = id.get(key);
if (Array.isArray(child) || child.node) {
search = search.concat(child);
}
}
}
}
return ids;
}
function getOuterBindingIdentifierPaths(duplicates) {
return this.getBindingIdentifierPaths(duplicates, true);
}
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"use strict";
exports.__esModule = true;
var _getIterator2 = require("babel-runtime/core-js/get-iterator");
var _getIterator3 = _interopRequireDefault(_getIterator2);
var _classCallCheck2 = require("babel-runtime/helpers/classCallCheck");
var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);
var _virtualTypes = require("./lib/virtual-types");
var virtualTypes = _interopRequireWildcard(_virtualTypes);
var _debug2 = require("debug");
var _debug3 = _interopRequireDefault(_debug2);
var _invariant = require("invariant");
var _invariant2 = _interopRequireDefault(_invariant);
var _index = require("../index");
var _index2 = _interopRequireDefault(_index);
var _assign = require("lodash/assign");
var _assign2 = _interopRequireDefault(_assign);
var _scope = require("../scope");
var _scope2 = _interopRequireDefault(_scope);
var _babelTypes = require("babel-types");
var t = _interopRequireWildcard(_babelTypes);
var _cache = require("../cache");
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
var _debug = (0, _debug3.default)("babel");
var NodePath = function () {
function NodePath(hub, parent) {
(0, _classCallCheck3.default)(this, NodePath);
this.parent = parent;
this.hub = hub;
this.contexts = [];
this.data = {};
this.shouldSkip = false;
this.shouldStop = false;
this.removed = false;
this.state = null;
this.opts = null;
this.skipKeys = null;
this.parentPath = null;
this.context = null;
this.container = null;
this.listKey = null;
this.inList = false;
this.parentKey = null;
this.key = null;
this.node = null;
this.scope = null;
this.type = null;
this.typeAnnotation = null;
}
NodePath.get = function get(_ref) {
var hub = _ref.hub,
parentPath = _ref.parentPath,
parent = _ref.parent,
container = _ref.container,
listKey = _ref.listKey,
key = _ref.key;
if (!hub && parentPath) {
hub = parentPath.hub;
}
(0, _invariant2.default)(parent, "To get a node path the parent needs to exist");
var targetNode = container[key];
var paths = _cache.path.get(parent) || [];
if (!_cache.path.has(parent)) {
_cache.path.set(parent, paths);
}
var path = void 0;
for (var i = 0; i < paths.length; i++) {
var pathCheck = paths[i];
if (pathCheck.node === targetNode) {
path = pathCheck;
break;
}
}
if (!path) {
path = new NodePath(hub, parent);
paths.push(path);
}
path.setup(parentPath, container, listKey, key);
return path;
};
NodePath.prototype.getScope = function getScope(scope) {
var ourScope = scope;
if (this.isScope()) {
ourScope = new _scope2.default(this, scope);
}
return ourScope;
};
NodePath.prototype.setData = function setData(key, val) {
return this.data[key] = val;
};
NodePath.prototype.getData = function getData(key, def) {
var val = this.data[key];
if (!val && def) val = this.data[key] = def;
return val;
};
NodePath.prototype.buildCodeFrameError = function buildCodeFrameError(msg) {
var Error = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : SyntaxError;
return this.hub.file.buildCodeFrameError(this.node, msg, Error);
};
NodePath.prototype.traverse = function traverse(visitor, state) {
(0, _index2.default)(this.node, visitor, this.scope, state, this);
};
NodePath.prototype.mark = function mark(type, message) {
this.hub.file.metadata.marked.push({
type: type,
message: message,
loc: this.node.loc
});
};
NodePath.prototype.set = function set(key, node) {
t.validate(this.node, key, node);
this.node[key] = node;
};
NodePath.prototype.getPathLocation = function getPathLocation() {
var parts = [];
var path = this;
do {
var key = path.key;
if (path.inList) key = path.listKey + "[" + key + "]";
parts.unshift(key);
} while (path = path.parentPath);
return parts.join(".");
};
NodePath.prototype.debug = function debug(buildMessage) {
if (!_debug.enabled) return;
_debug(this.getPathLocation() + " " + this.type + ": " + buildMessage());
};
return NodePath;
}();
exports.default = NodePath;
(0, _assign2.default)(NodePath.prototype, require("./ancestry"));
(0, _assign2.default)(NodePath.prototype, require("./inference"));
(0, _assign2.default)(NodePath.prototype, require("./replacement"));
(0, _assign2.default)(NodePath.prototype, require("./evaluation"));
(0, _assign2.default)(NodePath.prototype, require("./conversion"));
(0, _assign2.default)(NodePath.prototype, require("./introspection"));
(0, _assign2.default)(NodePath.prototype, require("./context"));
(0, _assign2.default)(NodePath.prototype, require("./removal"));
(0, _assign2.default)(NodePath.prototype, require("./modification"));
(0, _assign2.default)(NodePath.prototype, require("./family"));
(0, _assign2.default)(NodePath.prototype, require("./comments"));
var _loop2 = function _loop2() {
if (_isArray) {
if (_i >= _iterator.length) return "break";
_ref2 = _iterator[_i++];
} else {
_i = _iterator.next();
if (_i.done) return "break";
_ref2 = _i.value;
}
var type = _ref2;
var typeKey = "is" + type;
NodePath.prototype[typeKey] = function (opts) {
return t[typeKey](this.node, opts);
};
NodePath.prototype["assert" + type] = function (opts) {
if (!this[typeKey](opts)) {
throw new TypeError("Expected node path of type " + type);
}
};
};
for (var _iterator = t.TYPES, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : (0, _getIterator3.default)(_iterator);;) {
var _ref2;
var _ret2 = _loop2();
if (_ret2 === "break") break;
}
var _loop = function _loop(type) {
if (type[0] === "_") return "continue";
if (t.TYPES.indexOf(type) < 0) t.TYPES.push(type);
var virtualType = virtualTypes[type];
NodePath.prototype["is" + type] = function (opts) {
return virtualType.checkPath(this, opts);
};
};
for (var type in virtualTypes) {
var _ret = _loop(type);
if (_ret === "continue") continue;
}
module.exports = exports["default"];
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"use strict";
exports.__esModule = true;
var _getIterator2 = require("babel-runtime/core-js/get-iterator");
var _getIterator3 = _interopRequireDefault(_getIterator2);
exports.getTypeAnnotation = getTypeAnnotation;
exports._getTypeAnnotation = _getTypeAnnotation;
exports.isBaseType = isBaseType;
exports.couldBeBaseType = couldBeBaseType;
exports.baseTypeStrictlyMatches = baseTypeStrictlyMatches;
exports.isGenericType = isGenericType;
var _inferers = require("./inferers");
var inferers = _interopRequireWildcard(_inferers);
var _babelTypes = require("babel-types");
var t = _interopRequireWildcard(_babelTypes);
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function getTypeAnnotation() {
if (this.typeAnnotation) return this.typeAnnotation;
var type = this._getTypeAnnotation() || t.anyTypeAnnotation();
if (t.isTypeAnnotation(type)) type = type.typeAnnotation;
return this.typeAnnotation = type;
}
function _getTypeAnnotation() {
var node = this.node;
if (!node) {
if (this.key === "init" && this.parentPath.isVariableDeclarator()) {
var declar = this.parentPath.parentPath;
var declarParent = declar.parentPath;
if (declar.key === "left" && declarParent.isForInStatement()) {
return t.stringTypeAnnotation();
}
if (declar.key === "left" && declarParent.isForOfStatement()) {
return t.anyTypeAnnotation();
}
return t.voidTypeAnnotation();
} else {
return;
}
}
if (node.typeAnnotation) {
return node.typeAnnotation;
}
var inferer = inferers[node.type];
if (inferer) {
return inferer.call(this, node);
}
inferer = inferers[this.parentPath.type];
if (inferer && inferer.validParent) {
return this.parentPath.getTypeAnnotation();
}
}
function isBaseType(baseName, soft) {
return _isBaseType(baseName, this.getTypeAnnotation(), soft);
}
function _isBaseType(baseName, type, soft) {
if (baseName === "string") {
return t.isStringTypeAnnotation(type);
} else if (baseName === "number") {
return t.isNumberTypeAnnotation(type);
} else if (baseName === "boolean") {
return t.isBooleanTypeAnnotation(type);
} else if (baseName === "any") {
return t.isAnyTypeAnnotation(type);
} else if (baseName === "mixed") {
return t.isMixedTypeAnnotation(type);
} else if (baseName === "empty") {
return t.isEmptyTypeAnnotation(type);
} else if (baseName === "void") {
return t.isVoidTypeAnnotation(type);
} else {
if (soft) {
return false;
} else {
throw new Error("Unknown base type " + baseName);
}
}
}
function couldBeBaseType(name) {
var type = this.getTypeAnnotation();
if (t.isAnyTypeAnnotation(type)) return true;
if (t.isUnionTypeAnnotation(type)) {
for (var _iterator = type.types, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : (0, _getIterator3.default)(_iterator);;) {
var _ref;
if (_isArray) {
if (_i >= _iterator.length) break;
_ref = _iterator[_i++];
} else {
_i = _iterator.next();
if (_i.done) break;
_ref = _i.value;
}
var type2 = _ref;
if (t.isAnyTypeAnnotation(type2) || _isBaseType(name, type2, true)) {
return true;
}
}
return false;
} else {
return _isBaseType(name, type, true);
}
}
function baseTypeStrictlyMatches(right) {
var left = this.getTypeAnnotation();
right = right.getTypeAnnotation();
if (!t.isAnyTypeAnnotation(left) && t.isFlowBaseAnnotation(left)) {
return right.type === left.type;
}
}
function isGenericType(genericName) {
var type = this.getTypeAnnotation();
return t.isGenericTypeAnnotation(type) && t.isIdentifier(type.id, { name: genericName });
}
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"use strict";
exports.__esModule = true;
var _getIterator2 = require("babel-runtime/core-js/get-iterator");
var _getIterator3 = _interopRequireDefault(_getIterator2);
exports.default = function (node) {
if (!this.isReferenced()) return;
var binding = this.scope.getBinding(node.name);
if (binding) {
if (binding.identifier.typeAnnotation) {
return binding.identifier.typeAnnotation;
} else {
return getTypeAnnotationBindingConstantViolations(this, node.name);
}
}
if (node.name === "undefined") {
return t.voidTypeAnnotation();
} else if (node.name === "NaN" || node.name === "Infinity") {
return t.numberTypeAnnotation();
} else if (node.name === "arguments") {}
};
var _babelTypes = require("babel-types");
var t = _interopRequireWildcard(_babelTypes);
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function getTypeAnnotationBindingConstantViolations(path, name) {
var binding = path.scope.getBinding(name);
var types = [];
path.typeAnnotation = t.unionTypeAnnotation(types);
var functionConstantViolations = [];
var constantViolations = getConstantViolationsBefore(binding, path, functionConstantViolations);
var testType = getConditionalAnnotation(path, name);
if (testType) {
var testConstantViolations = getConstantViolationsBefore(binding, testType.ifStatement);
constantViolations = constantViolations.filter(function (path) {
return testConstantViolations.indexOf(path) < 0;
});
types.push(testType.typeAnnotation);
}
if (constantViolations.length) {
constantViolations = constantViolations.concat(functionConstantViolations);
for (var _iterator = constantViolations, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : (0, _getIterator3.default)(_iterator);;) {
var _ref;
if (_isArray) {
if (_i >= _iterator.length) break;
_ref = _iterator[_i++];
} else {
_i = _iterator.next();
if (_i.done) break;
_ref = _i.value;
}
var violation = _ref;
types.push(violation.getTypeAnnotation());
}
}
if (types.length) {
return t.createUnionTypeAnnotation(types);
}
}
function getConstantViolationsBefore(binding, path, functions) {
var violations = binding.constantViolations.slice();
violations.unshift(binding.path);
return violations.filter(function (violation) {
violation = violation.resolve();
var status = violation._guessExecutionStatusRelativeTo(path);
if (functions && status === "function") functions.push(violation);
return status === "before";
});
}
function inferAnnotationFromBinaryExpression(name, path) {
var operator = path.node.operator;
var right = path.get("right").resolve();
var left = path.get("left").resolve();
var target = void 0;
if (left.isIdentifier({ name: name })) {
target = right;
} else if (right.isIdentifier({ name: name })) {
target = left;
}
if (target) {
if (operator === "===") {
return target.getTypeAnnotation();
} else if (t.BOOLEAN_NUMBER_BINARY_OPERATORS.indexOf(operator) >= 0) {
return t.numberTypeAnnotation();
} else {
return;
}
} else {
if (operator !== "===") return;
}
var typeofPath = void 0;
var typePath = void 0;
if (left.isUnaryExpression({ operator: "typeof" })) {
typeofPath = left;
typePath = right;
} else if (right.isUnaryExpression({ operator: "typeof" })) {
typeofPath = right;
typePath = left;
}
if (!typePath && !typeofPath) return;
typePath = typePath.resolve();
if (!typePath.isLiteral()) return;
var typeValue = typePath.node.value;
if (typeof typeValue !== "string") return;
if (!typeofPath.get("argument").isIdentifier({ name: name })) return;
return t.createTypeAnnotationBasedOnTypeof(typePath.node.value);
}
function getParentConditionalPath(path) {
var parentPath = void 0;
while (parentPath = path.parentPath) {
if (parentPath.isIfStatement() || parentPath.isConditionalExpression()) {
if (path.key === "test") {
return;
} else {
return parentPath;
}
} else {
path = parentPath;
}
}
}
function getConditionalAnnotation(path, name) {
var ifStatement = getParentConditionalPath(path);
if (!ifStatement) return;
var test = ifStatement.get("test");
var paths = [test];
var types = [];
do {
var _path = paths.shift().resolve();
if (_path.isLogicalExpression()) {
paths.push(_path.get("left"));
paths.push(_path.get("right"));
}
if (_path.isBinaryExpression()) {
var type = inferAnnotationFromBinaryExpression(name, _path);
if (type) types.push(type);
}
} while (paths.length);
if (types.length) {
return {
typeAnnotation: t.createUnionTypeAnnotation(types),
ifStatement: ifStatement
};
} else {
return getConditionalAnnotation(ifStatement, name);
}
}
module.exports = exports["default"];
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"use strict";
exports.__esModule = true;
exports.ClassDeclaration = exports.ClassExpression = exports.FunctionDeclaration = exports.ArrowFunctionExpression = exports.FunctionExpression = exports.Identifier = undefined;
var _infererReference = require("./inferer-reference");
Object.defineProperty(exports, "Identifier", {
enumerable: true,
get: function get() {
return _interopRequireDefault(_infererReference).default;
}
});
exports.VariableDeclarator = VariableDeclarator;
exports.TypeCastExpression = TypeCastExpression;
exports.NewExpression = NewExpression;
exports.TemplateLiteral = TemplateLiteral;
exports.UnaryExpression = UnaryExpression;
exports.BinaryExpression = BinaryExpression;
exports.LogicalExpression = LogicalExpression;
exports.ConditionalExpression = ConditionalExpression;
exports.SequenceExpression = SequenceExpression;
exports.AssignmentExpression = AssignmentExpression;
exports.UpdateExpression = UpdateExpression;
exports.StringLiteral = StringLiteral;
exports.NumericLiteral = NumericLiteral;
exports.BooleanLiteral = BooleanLiteral;
exports.NullLiteral = NullLiteral;
exports.RegExpLiteral = RegExpLiteral;
exports.ObjectExpression = ObjectExpression;
exports.ArrayExpression = ArrayExpression;
exports.RestElement = RestElement;
exports.CallExpression = CallExpression;
exports.TaggedTemplateExpression = TaggedTemplateExpression;
var _babelTypes = require("babel-types");
var t = _interopRequireWildcard(_babelTypes);
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function VariableDeclarator() {
var id = this.get("id");
if (id.isIdentifier()) {
return this.get("init").getTypeAnnotation();
} else {
return;
}
}
function TypeCastExpression(node) {
return node.typeAnnotation;
}
TypeCastExpression.validParent = true;
function NewExpression(node) {
if (this.get("callee").isIdentifier()) {
return t.genericTypeAnnotation(node.callee);
}
}
function TemplateLiteral() {
return t.stringTypeAnnotation();
}
function UnaryExpression(node) {
var operator = node.operator;
if (operator === "void") {
return t.voidTypeAnnotation();
} else if (t.NUMBER_UNARY_OPERATORS.indexOf(operator) >= 0) {
return t.numberTypeAnnotation();
} else if (t.STRING_UNARY_OPERATORS.indexOf(operator) >= 0) {
return t.stringTypeAnnotation();
} else if (t.BOOLEAN_UNARY_OPERATORS.indexOf(operator) >= 0) {
return t.booleanTypeAnnotation();
}
}
function BinaryExpression(node) {
var operator = node.operator;
if (t.NUMBER_BINARY_OPERATORS.indexOf(operator) >= 0) {
return t.numberTypeAnnotation();
} else if (t.BOOLEAN_BINARY_OPERATORS.indexOf(operator) >= 0) {
return t.booleanTypeAnnotation();
} else if (operator === "+") {
var right = this.get("right");
var left = this.get("left");
if (left.isBaseType("number") && right.isBaseType("number")) {
return t.numberTypeAnnotation();
} else if (left.isBaseType("string") || right.isBaseType("string")) {
return t.stringTypeAnnotation();
}
return t.unionTypeAnnotation([t.stringTypeAnnotation(), t.numberTypeAnnotation()]);
}
}
function LogicalExpression() {
return t.createUnionTypeAnnotation([this.get("left").getTypeAnnotation(), this.get("right").getTypeAnnotation()]);
}
function ConditionalExpression() {
return t.createUnionTypeAnnotation([this.get("consequent").getTypeAnnotation(), this.get("alternate").getTypeAnnotation()]);
}
function SequenceExpression() {
return this.get("expressions").pop().getTypeAnnotation();
}
function AssignmentExpression() {
return this.get("right").getTypeAnnotation();
}
function UpdateExpression(node) {
var operator = node.operator;
if (operator === "++" || operator === "--") {
return t.numberTypeAnnotation();
}
}
function StringLiteral() {
return t.stringTypeAnnotation();
}
function NumericLiteral() {
return t.numberTypeAnnotation();
}
function BooleanLiteral() {
return t.booleanTypeAnnotation();
}
function NullLiteral() {
return t.nullLiteralTypeAnnotation();
}
function RegExpLiteral() {
return t.genericTypeAnnotation(t.identifier("RegExp"));
}
function ObjectExpression() {
return t.genericTypeAnnotation(t.identifier("Object"));
}
function ArrayExpression() {
return t.genericTypeAnnotation(t.identifier("Array"));
}
function RestElement() {
return ArrayExpression();
}
RestElement.validParent = true;
function Func() {
return t.genericTypeAnnotation(t.identifier("Function"));
}
exports.FunctionExpression = Func;
exports.ArrowFunctionExpression = Func;
exports.FunctionDeclaration = Func;
exports.ClassExpression = Func;
exports.ClassDeclaration = Func;
function CallExpression() {
return resolveCall(this.get("callee"));
}
function TaggedTemplateExpression() {
return resolveCall(this.get("tag"));
}
function resolveCall(callee) {
callee = callee.resolve();
if (callee.isFunction()) {
if (callee.is("async")) {
if (callee.is("generator")) {
return t.genericTypeAnnotation(t.identifier("AsyncIterator"));
} else {
return t.genericTypeAnnotation(t.identifier("Promise"));
}
} else {
if (callee.node.returnType) {
return callee.node.returnType;
} else {}
}
}
}
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"use strict";
exports.__esModule = true;
exports.is = undefined;
var _getIterator2 = require("babel-runtime/core-js/get-iterator");
var _getIterator3 = _interopRequireDefault(_getIterator2);
exports.matchesPattern = matchesPattern;
exports.has = has;
exports.isStatic = isStatic;
exports.isnt = isnt;
exports.equals = equals;
exports.isNodeType = isNodeType;
exports.canHaveVariableDeclarationOrExpression = canHaveVariableDeclarationOrExpression;
exports.canSwapBetweenExpressionAndStatement = canSwapBetweenExpressionAndStatement;
exports.isCompletionRecord = isCompletionRecord;
exports.isStatementOrBlock = isStatementOrBlock;
exports.referencesImport = referencesImport;
exports.getSource = getSource;
exports.willIMaybeExecuteBefore = willIMaybeExecuteBefore;
exports._guessExecutionStatusRelativeTo = _guessExecutionStatusRelativeTo;
exports._guessExecutionStatusRelativeToDifferentFunctions = _guessExecutionStatusRelativeToDifferentFunctions;
exports.resolve = resolve;
exports._resolve = _resolve;
var _includes = require("lodash/includes");
var _includes2 = _interopRequireDefault(_includes);
var _babelTypes = require("babel-types");
var t = _interopRequireWildcard(_babelTypes);
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function matchesPattern(pattern, allowPartial) {
if (!this.isMemberExpression()) return false;
var parts = pattern.split(".");
var search = [this.node];
var i = 0;
function matches(name) {
var part = parts[i];
return part === "*" || name === part;
}
while (search.length) {
var node = search.shift();
if (allowPartial && i === parts.length) {
return true;
}
if (t.isIdentifier(node)) {
if (!matches(node.name)) return false;
} else if (t.isLiteral(node)) {
if (!matches(node.value)) return false;
} else if (t.isMemberExpression(node)) {
if (node.computed && !t.isLiteral(node.property)) {
return false;
} else {
search.unshift(node.property);
search.unshift(node.object);
continue;
}
} else if (t.isThisExpression(node)) {
if (!matches("this")) return false;
} else {
return false;
}
if (++i > parts.length) {
return false;
}
}
return i === parts.length;
}
function has(key) {
var val = this.node && this.node[key];
if (val && Array.isArray(val)) {
return !!val.length;
} else {
return !!val;
}
}
function isStatic() {
return this.scope.isStatic(this.node);
}
var is = exports.is = has;
function isnt(key) {
return !this.has(key);
}
function equals(key, value) {
return this.node[key] === value;
}
function isNodeType(type) {
return t.isType(this.type, type);
}
function canHaveVariableDeclarationOrExpression() {
return (this.key === "init" || this.key === "left") && this.parentPath.isFor();
}
function canSwapBetweenExpressionAndStatement(replacement) {
if (this.key !== "body" || !this.parentPath.isArrowFunctionExpression()) {
return false;
}
if (this.isExpression()) {
return t.isBlockStatement(replacement);
} else if (this.isBlockStatement()) {
return t.isExpression(replacement);
}
return false;
}
function isCompletionRecord(allowInsideFunction) {
var path = this;
var first = true;
do {
var container = path.container;
if (path.isFunction() && !first) {
return !!allowInsideFunction;
}
first = false;
if (Array.isArray(container) && path.key !== container.length - 1) {
return false;
}
} while ((path = path.parentPath) && !path.isProgram());
return true;
}
function isStatementOrBlock() {
if (this.parentPath.isLabeledStatement() || t.isBlockStatement(this.container)) {
return false;
} else {
return (0, _includes2.default)(t.STATEMENT_OR_BLOCK_KEYS, this.key);
}
}
function referencesImport(moduleSource, importName) {
if (!this.isReferencedIdentifier()) return false;
var binding = this.scope.getBinding(this.node.name);
if (!binding || binding.kind !== "module") return false;
var path = binding.path;
var parent = path.parentPath;
if (!parent.isImportDeclaration()) return false;
if (parent.node.source.value === moduleSource) {
if (!importName) return true;
} else {
return false;
}
if (path.isImportDefaultSpecifier() && importName === "default") {
return true;
}
if (path.isImportNamespaceSpecifier() && importName === "*") {
return true;
}
if (path.isImportSpecifier() && path.node.imported.name === importName) {
return true;
}
return false;
}
function getSource() {
var node = this.node;
if (node.end) {
return this.hub.file.code.slice(node.start, node.end);
} else {
return "";
}
}
function willIMaybeExecuteBefore(target) {
return this._guessExecutionStatusRelativeTo(target) !== "after";
}
function _guessExecutionStatusRelativeTo(target) {
var targetFuncParent = target.scope.getFunctionParent();
var selfFuncParent = this.scope.getFunctionParent();
if (targetFuncParent.node !== selfFuncParent.node) {
var status = this._guessExecutionStatusRelativeToDifferentFunctions(targetFuncParent);
if (status) {
return status;
} else {
target = targetFuncParent.path;
}
}
var targetPaths = target.getAncestry();
if (targetPaths.indexOf(this) >= 0) return "after";
var selfPaths = this.getAncestry();
var commonPath = void 0;
var targetIndex = void 0;
var selfIndex = void 0;
for (selfIndex = 0; selfIndex < selfPaths.length; selfIndex++) {
var selfPath = selfPaths[selfIndex];
targetIndex = targetPaths.indexOf(selfPath);
if (targetIndex >= 0) {
commonPath = selfPath;
break;
}
}
if (!commonPath) {
return "before";
}
var targetRelationship = targetPaths[targetIndex - 1];
var selfRelationship = selfPaths[selfIndex - 1];
if (!targetRelationship || !selfRelationship) {
return "before";
}
if (targetRelationship.listKey && targetRelationship.container === selfRelationship.container) {
return targetRelationship.key > selfRelationship.key ? "before" : "after";
}
var targetKeyPosition = t.VISITOR_KEYS[targetRelationship.type].indexOf(targetRelationship.key);
var selfKeyPosition = t.VISITOR_KEYS[selfRelationship.type].indexOf(selfRelationship.key);
return targetKeyPosition > selfKeyPosition ? "before" : "after";
}
function _guessExecutionStatusRelativeToDifferentFunctions(targetFuncParent) {
var targetFuncPath = targetFuncParent.path;
if (!targetFuncPath.isFunctionDeclaration()) return;
var binding = targetFuncPath.scope.getBinding(targetFuncPath.node.id.name);
if (!binding.references) return "before";
var referencePaths = binding.referencePaths;
for (var _iterator = referencePaths, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : (0, _getIterator3.default)(_iterator);;) {
var _ref;
if (_isArray) {
if (_i >= _iterator.length) break;
_ref = _iterator[_i++];
} else {
_i = _iterator.next();
if (_i.done) break;
_ref = _i.value;
}
var path = _ref;
if (path.key !== "callee" || !path.parentPath.isCallExpression()) {
return;
}
}
var allStatus = void 0;
for (var _iterator2 = referencePaths, _isArray2 = Array.isArray(_iterator2), _i2 = 0, _iterator2 = _isArray2 ? _iterator2 : (0, _getIterator3.default)(_iterator2);;) {
var _ref2;
if (_isArray2) {
if (_i2 >= _iterator2.length) break;
_ref2 = _iterator2[_i2++];
} else {
_i2 = _iterator2.next();
if (_i2.done) break;
_ref2 = _i2.value;
}
var _path = _ref2;
var childOfFunction = !!_path.find(function (path) {
return path.node === targetFuncPath.node;
});
if (childOfFunction) continue;
var status = this._guessExecutionStatusRelativeTo(_path);
if (allStatus) {
if (allStatus !== status) return;
} else {
allStatus = status;
}
}
return allStatus;
}
function resolve(dangerous, resolved) {
return this._resolve(dangerous, resolved) || this;
}
function _resolve(dangerous, resolved) {
if (resolved && resolved.indexOf(this) >= 0) return;
resolved = resolved || [];
resolved.push(this);
if (this.isVariableDeclarator()) {
if (this.get("id").isIdentifier()) {
return this.get("init").resolve(dangerous, resolved);
} else {}
} else if (this.isReferencedIdentifier()) {
var binding = this.scope.getBinding(this.node.name);
if (!binding) return;
if (!binding.constant) return;
if (binding.kind === "module") return;
if (binding.path !== this) {
var ret = binding.path.resolve(dangerous, resolved);
if (this.find(function (parent) {
return parent.node === ret.node;
})) return;
return ret;
}
} else if (this.isTypeCastExpression()) {
return this.get("expression").resolve(dangerous, resolved);
} else if (dangerous && this.isMemberExpression()) {
var targetKey = this.toComputedKey();
if (!t.isLiteral(targetKey)) return;
var targetName = targetKey.value;
var target = this.get("object").resolve(dangerous, resolved);
if (target.isObjectExpression()) {
var props = target.get("properties");
for (var _iterator3 = props, _isArray3 = Array.isArray(_iterator3), _i3 = 0, _iterator3 = _isArray3 ? _iterator3 : (0, _getIterator3.default)(_iterator3);;) {
var _ref3;
if (_isArray3) {
if (_i3 >= _iterator3.length) break;
_ref3 = _iterator3[_i3++];
} else {
_i3 = _iterator3.next();
if (_i3.done) break;
_ref3 = _i3.value;
}
var prop = _ref3;
if (!prop.isProperty()) continue;
var key = prop.get("key");
var match = prop.isnt("computed") && key.isIdentifier({ name: targetName });
match = match || key.isLiteral({ value: targetName });
if (match) return prop.get("value").resolve(dangerous, resolved);
}
} else if (target.isArrayExpression() && !isNaN(+targetName)) {
var elems = target.get("elements");
var elem = elems[targetName];
if (elem) return elem.resolve(dangerous, resolved);
}
}
}
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"use strict";
exports.__esModule = true;
var _getIterator2 = require("babel-runtime/core-js/get-iterator");
var _getIterator3 = _interopRequireDefault(_getIterator2);
var _classCallCheck2 = require("babel-runtime/helpers/classCallCheck");
var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);
var _babelTypes = require("babel-types");
var t = _interopRequireWildcard(_babelTypes);
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
var referenceVisitor = {
ReferencedIdentifier: function ReferencedIdentifier(path, state) {
if (path.isJSXIdentifier() && _babelTypes.react.isCompatTag(path.node.name) && !path.parentPath.isJSXMemberExpression()) {
return;
}
if (path.node.name === "this") {
var scope = path.scope;
do {
if (scope.path.isFunction() && !scope.path.isArrowFunctionExpression()) break;
} while (scope = scope.parent);
if (scope) state.breakOnScopePaths.push(scope.path);
}
var binding = path.scope.getBinding(path.node.name);
if (!binding) return;
if (binding !== state.scope.getBinding(path.node.name)) return;
state.bindings[path.node.name] = binding;
}
};
var PathHoister = function () {
function PathHoister(path, scope) {
(0, _classCallCheck3.default)(this, PathHoister);
this.breakOnScopePaths = [];
this.bindings = {};
this.scopes = [];
this.scope = scope;
this.path = path;
this.attachAfter = false;
}
PathHoister.prototype.isCompatibleScope = function isCompatibleScope(scope) {
for (var key in this.bindings) {
var binding = this.bindings[key];
if (!scope.bindingIdentifierEquals(key, binding.identifier)) {
return false;
}
}
return true;
};
PathHoister.prototype.getCompatibleScopes = function getCompatibleScopes() {
var scope = this.path.scope;
do {
if (this.isCompatibleScope(scope)) {
this.scopes.push(scope);
} else {
break;
}
if (this.breakOnScopePaths.indexOf(scope.path) >= 0) {
break;
}
} while (scope = scope.parent);
};
PathHoister.prototype.getAttachmentPath = function getAttachmentPath() {
var path = this._getAttachmentPath();
if (!path) return;
var targetScope = path.scope;
if (targetScope.path === path) {
targetScope = path.scope.parent;
}
if (targetScope.path.isProgram() || targetScope.path.isFunction()) {
for (var name in this.bindings) {
if (!targetScope.hasOwnBinding(name)) continue;
var binding = this.bindings[name];
if (binding.kind === "param") continue;
if (this.getAttachmentParentForPath(binding.path).key > path.key) {
this.attachAfter = true;
path = binding.path;
for (var _iterator = binding.constantViolations, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : (0, _getIterator3.default)(_iterator);;) {
var _ref;
if (_isArray) {
if (_i >= _iterator.length) break;
_ref = _iterator[_i++];
} else {
_i = _iterator.next();
if (_i.done) break;
_ref = _i.value;
}
var violationPath = _ref;
if (this.getAttachmentParentForPath(violationPath).key > path.key) {
path = violationPath;
}
}
}
}
}
if (path.parentPath.isExportDeclaration()) {
path = path.parentPath;
}
return path;
};
PathHoister.prototype._getAttachmentPath = function _getAttachmentPath() {
var scopes = this.scopes;
var scope = scopes.pop();
if (!scope) return;
if (scope.path.isFunction()) {
if (this.hasOwnParamBindings(scope)) {
if (this.scope === scope) return;
return scope.path.get("body").get("body")[0];
} else {
return this.getNextScopeAttachmentParent();
}
} else if (scope.path.isProgram()) {
return this.getNextScopeAttachmentParent();
}
};
PathHoister.prototype.getNextScopeAttachmentParent = function getNextScopeAttachmentParent() {
var scope = this.scopes.pop();
if (scope) return this.getAttachmentParentForPath(scope.path);
};
PathHoister.prototype.getAttachmentParentForPath = function getAttachmentParentForPath(path) {
do {
if (!path.parentPath || Array.isArray(path.container) && path.isStatement() || path.isVariableDeclarator() && path.parentPath.node !== null && path.parentPath.node.declarations.length > 1) return path;
} while (path = path.parentPath);
};
PathHoister.prototype.hasOwnParamBindings = function hasOwnParamBindings(scope) {
for (var name in this.bindings) {
if (!scope.hasOwnBinding(name)) continue;
var binding = this.bindings[name];
if (binding.kind === "param" && binding.constant) return true;
}
return false;
};
PathHoister.prototype.run = function run() {
var node = this.path.node;
if (node._hoisted) return;
node._hoisted = true;
this.path.traverse(referenceVisitor, this);
this.getCompatibleScopes();
var attachTo = this.getAttachmentPath();
if (!attachTo) return;
if (attachTo.getFunctionParent() === this.path.getFunctionParent()) return;
var uid = attachTo.scope.generateUidIdentifier("ref");
var declarator = t.variableDeclarator(uid, this.path.node);
var insertFn = this.attachAfter ? "insertAfter" : "insertBefore";
attachTo[insertFn]([attachTo.isVariableDeclarator() ? declarator : t.variableDeclaration("var", [declarator])]);
var parent = this.path.parentPath;
if (parent.isJSXElement() && this.path.container === parent.node.children) {
uid = t.JSXExpressionContainer(uid);
}
this.path.replaceWith(uid);
};
return PathHoister;
}();
exports.default = PathHoister;
module.exports = exports["default"];
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"use strict";
exports.__esModule = true;
var hooks = exports.hooks = [function (self, parent) {
var removeParent = self.key === "test" && (parent.isWhile() || parent.isSwitchCase()) || self.key === "declaration" && parent.isExportDeclaration() || self.key === "body" && parent.isLabeledStatement() || self.listKey === "declarations" && parent.isVariableDeclaration() && parent.node.declarations.length === 1 || self.key === "expression" && parent.isExpressionStatement();
if (removeParent) {
parent.remove();
return true;
}
}, function (self, parent) {
if (parent.isSequenceExpression() && parent.node.expressions.length === 1) {
parent.replaceWith(parent.node.expressions[0]);
return true;
}
}, function (self, parent) {
if (parent.isBinary()) {
if (self.key === "left") {
parent.replaceWith(parent.node.right);
} else {
parent.replaceWith(parent.node.left);
}
return true;
}
}, function (self, parent) {
if (parent.isIfStatement() && (self.key === "consequent" || self.key === "alternate") || self.key === "body" && (parent.isLoop() || parent.isArrowFunctionExpression())) {
self.replaceWith({
type: "BlockStatement",
body: []
});
return true;
}
}];
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"use strict";
exports.__esModule = true;
exports.Flow = exports.Pure = exports.Generated = exports.User = exports.Var = exports.BlockScoped = exports.Referenced = exports.Scope = exports.Expression = exports.Statement = exports.BindingIdentifier = exports.ReferencedMemberExpression = exports.ReferencedIdentifier = undefined;
var _babelTypes = require("babel-types");
var t = _interopRequireWildcard(_babelTypes);
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
var ReferencedIdentifier = exports.ReferencedIdentifier = {
types: ["Identifier", "JSXIdentifier"],
checkPath: function checkPath(_ref, opts) {
var node = _ref.node,
parent = _ref.parent;
if (!t.isIdentifier(node, opts) && !t.isJSXMemberExpression(parent, opts)) {
if (t.isJSXIdentifier(node, opts)) {
if (_babelTypes.react.isCompatTag(node.name)) return false;
} else {
return false;
}
}
return t.isReferenced(node, parent);
}
};
var ReferencedMemberExpression = exports.ReferencedMemberExpression = {
types: ["MemberExpression"],
checkPath: function checkPath(_ref2) {
var node = _ref2.node,
parent = _ref2.parent;
return t.isMemberExpression(node) && t.isReferenced(node, parent);
}
};
var BindingIdentifier = exports.BindingIdentifier = {
types: ["Identifier"],
checkPath: function checkPath(_ref3) {
var node = _ref3.node,
parent = _ref3.parent;
return t.isIdentifier(node) && t.isBinding(node, parent);
}
};
var Statement = exports.Statement = {
types: ["Statement"],
checkPath: function checkPath(_ref4) {
var node = _ref4.node,
parent = _ref4.parent;
if (t.isStatement(node)) {
if (t.isVariableDeclaration(node)) {
if (t.isForXStatement(parent, { left: node })) return false;
if (t.isForStatement(parent, { init: node })) return false;
}
return true;
} else {
return false;
}
}
};
var Expression = exports.Expression = {
types: ["Expression"],
checkPath: function checkPath(path) {
if (path.isIdentifier()) {
return path.isReferencedIdentifier();
} else {
return t.isExpression(path.node);
}
}
};
var Scope = exports.Scope = {
types: ["Scopable"],
checkPath: function checkPath(path) {
return t.isScope(path.node, path.parent);
}
};
var Referenced = exports.Referenced = {
checkPath: function checkPath(path) {
return t.isReferenced(path.node, path.parent);
}
};
var BlockScoped = exports.BlockScoped = {
checkPath: function checkPath(path) {
return t.isBlockScoped(path.node);
}
};
var Var = exports.Var = {
types: ["VariableDeclaration"],
checkPath: function checkPath(path) {
return t.isVar(path.node);
}
};
var User = exports.User = {
checkPath: function checkPath(path) {
return path.node && !!path.node.loc;
}
};
var Generated = exports.Generated = {
checkPath: function checkPath(path) {
return !path.isUser();
}
};
var Pure = exports.Pure = {
checkPath: function checkPath(path, opts) {
return path.scope.isPure(path.node, opts);
}
};
var Flow = exports.Flow = {
types: ["Flow", "ImportDeclaration", "ExportDeclaration", "ImportSpecifier"],
checkPath: function checkPath(_ref5) {
var node = _ref5.node;
if (t.isFlow(node)) {
return true;
} else if (t.isImportDeclaration(node)) {
return node.importKind === "type" || node.importKind === "typeof";
} else if (t.isExportDeclaration(node)) {
return node.exportKind === "type";
} else if (t.isImportSpecifier(node)) {
return node.importKind === "type" || node.importKind === "typeof";
} else {
return false;
}
}
};
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"use strict";
exports.__esModule = true;
var _typeof2 = require("babel-runtime/helpers/typeof");
var _typeof3 = _interopRequireDefault(_typeof2);
var _getIterator2 = require("babel-runtime/core-js/get-iterator");
var _getIterator3 = _interopRequireDefault(_getIterator2);
exports.insertBefore = insertBefore;
exports._containerInsert = _containerInsert;
exports._containerInsertBefore = _containerInsertBefore;
exports._containerInsertAfter = _containerInsertAfter;
exports._maybePopFromStatements = _maybePopFromStatements;
exports.insertAfter = insertAfter;
exports.updateSiblingKeys = updateSiblingKeys;
exports._verifyNodeList = _verifyNodeList;
exports.unshiftContainer = unshiftContainer;
exports.pushContainer = pushContainer;
exports.hoist = hoist;
var _cache = require("../cache");
var _hoister = require("./lib/hoister");
var _hoister2 = _interopRequireDefault(_hoister);
var _index = require("./index");
var _index2 = _interopRequireDefault(_index);
var _babelTypes = require("babel-types");
var t = _interopRequireWildcard(_babelTypes);
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function insertBefore(nodes) {
this._assertUnremoved();
nodes = this._verifyNodeList(nodes);
if (this.parentPath.isExpressionStatement() || this.parentPath.isLabeledStatement()) {
return this.parentPath.insertBefore(nodes);
} else if (this.isNodeType("Expression") || this.parentPath.isForStatement() && this.key === "init") {
if (this.node) nodes.push(this.node);
this.replaceExpressionWithStatements(nodes);
} else {
this._maybePopFromStatements(nodes);
if (Array.isArray(this.container)) {
return this._containerInsertBefore(nodes);
} else if (this.isStatementOrBlock()) {
if (this.node) nodes.push(this.node);
this._replaceWith(t.blockStatement(nodes));
} else {
throw new Error("We don't know what to do with this node type. " + "We were previously a Statement but we can't fit in here?");
}
}
return [this];
}
function _containerInsert(from, nodes) {
this.updateSiblingKeys(from, nodes.length);
var paths = [];
for (var i = 0; i < nodes.length; i++) {
var to = from + i;
var node = nodes[i];
this.container.splice(to, 0, node);
if (this.context) {
var path = this.context.create(this.parent, this.container, to, this.listKey);
if (this.context.queue) path.pushContext(this.context);
paths.push(path);
} else {
paths.push(_index2.default.get({
parentPath: this.parentPath,
parent: this.parent,
container: this.container,
listKey: this.listKey,
key: to
}));
}
}
var contexts = this._getQueueContexts();
for (var _iterator = paths, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : (0, _getIterator3.default)(_iterator);;) {
var _ref;
if (_isArray) {
if (_i >= _iterator.length) break;
_ref = _iterator[_i++];
} else {
_i = _iterator.next();
if (_i.done) break;
_ref = _i.value;
}
var _path = _ref;
_path.setScope();
_path.debug(function () {
return "Inserted.";
});
for (var _iterator2 = contexts, _isArray2 = Array.isArray(_iterator2), _i2 = 0, _iterator2 = _isArray2 ? _iterator2 : (0, _getIterator3.default)(_iterator2);;) {
var _ref2;
if (_isArray2) {
if (_i2 >= _iterator2.length) break;
_ref2 = _iterator2[_i2++];
} else {
_i2 = _iterator2.next();
if (_i2.done) break;
_ref2 = _i2.value;
}
var context = _ref2;
context.maybeQueue(_path, true);
}
}
return paths;
}
function _containerInsertBefore(nodes) {
return this._containerInsert(this.key, nodes);
}
function _containerInsertAfter(nodes) {
return this._containerInsert(this.key + 1, nodes);
}
function _maybePopFromStatements(nodes) {
var last = nodes[nodes.length - 1];
var isIdentifier = t.isIdentifier(last) || t.isExpressionStatement(last) && t.isIdentifier(last.expression);
if (isIdentifier && !this.isCompletionRecord()) {
nodes.pop();
}
}
function insertAfter(nodes) {
this._assertUnremoved();
nodes = this._verifyNodeList(nodes);
if (this.parentPath.isExpressionStatement() || this.parentPath.isLabeledStatement()) {
return this.parentPath.insertAfter(nodes);
} else if (this.isNodeType("Expression") || this.parentPath.isForStatement() && this.key === "init") {
if (this.node) {
var temp = this.scope.generateDeclaredUidIdentifier();
nodes.unshift(t.expressionStatement(t.assignmentExpression("=", temp, this.node)));
nodes.push(t.expressionStatement(temp));
}
this.replaceExpressionWithStatements(nodes);
} else {
this._maybePopFromStatements(nodes);
if (Array.isArray(this.container)) {
return this._containerInsertAfter(nodes);
} else if (this.isStatementOrBlock()) {
if (this.node) nodes.unshift(this.node);
this._replaceWith(t.blockStatement(nodes));
} else {
throw new Error("We don't know what to do with this node type. " + "We were previously a Statement but we can't fit in here?");
}
}
return [this];
}
function updateSiblingKeys(fromIndex, incrementBy) {
if (!this.parent) return;
var paths = _cache.path.get(this.parent);
for (var i = 0; i < paths.length; i++) {
var path = paths[i];
if (path.key >= fromIndex) {
path.key += incrementBy;
}
}
}
function _verifyNodeList(nodes) {
if (!nodes) {
return [];
}
if (nodes.constructor !== Array) {
nodes = [nodes];
}
for (var i = 0; i < nodes.length; i++) {
var node = nodes[i];
var msg = void 0;
if (!node) {
msg = "has falsy node";
} else if ((typeof node === "undefined" ? "undefined" : (0, _typeof3.default)(node)) !== "object") {
msg = "contains a non-object node";
} else if (!node.type) {
msg = "without a type";
} else if (node instanceof _index2.default) {
msg = "has a NodePath when it expected a raw object";
}
if (msg) {
var type = Array.isArray(node) ? "array" : typeof node === "undefined" ? "undefined" : (0, _typeof3.default)(node);
throw new Error("Node list " + msg + " with the index of " + i + " and type of " + type);
}
}
return nodes;
}
function unshiftContainer(listKey, nodes) {
this._assertUnremoved();
nodes = this._verifyNodeList(nodes);
var path = _index2.default.get({
parentPath: this,
parent: this.node,
container: this.node[listKey],
listKey: listKey,
key: 0
});
return path.insertBefore(nodes);
}
function pushContainer(listKey, nodes) {
this._assertUnremoved();
nodes = this._verifyNodeList(nodes);
var container = this.node[listKey];
var path = _index2.default.get({
parentPath: this,
parent: this.node,
container: container,
listKey: listKey,
key: container.length
});
return path.replaceWithMultiple(nodes);
}
function hoist() {
var scope = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : this.scope;
var hoister = new _hoister2.default(this, scope);
return hoister.run();
}
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"use strict";
exports.__esModule = true;
var _getIterator2 = require("babel-runtime/core-js/get-iterator");
var _getIterator3 = _interopRequireDefault(_getIterator2);
exports.remove = remove;
exports._callRemovalHooks = _callRemovalHooks;
exports._remove = _remove;
exports._markRemoved = _markRemoved;
exports._assertUnremoved = _assertUnremoved;
var _removalHooks = require("./lib/removal-hooks");
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function remove() {
this._assertUnremoved();
this.resync();
if (this._callRemovalHooks()) {
this._markRemoved();
return;
}
this.shareCommentsWithSiblings();
this._remove();
this._markRemoved();
}
function _callRemovalHooks() {
for (var _iterator = _removalHooks.hooks, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : (0, _getIterator3.default)(_iterator);;) {
var _ref;
if (_isArray) {
if (_i >= _iterator.length) break;
_ref = _iterator[_i++];
} else {
_i = _iterator.next();
if (_i.done) break;
_ref = _i.value;
}
var fn = _ref;
if (fn(this, this.parentPath)) return true;
}
}
function _remove() {
if (Array.isArray(this.container)) {
this.container.splice(this.key, 1);
this.updateSiblingKeys(this.key, -1);
} else {
this._replaceWith(null);
}
}
function _markRemoved() {
this.shouldSkip = true;
this.removed = true;
this.node = null;
}
function _assertUnremoved() {
if (this.removed) {
throw this.buildCodeFrameError("NodePath has been removed so is read-only.");
}
}
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"use strict";
exports.__esModule = true;
var _getIterator2 = require("babel-runtime/core-js/get-iterator");
var _getIterator3 = _interopRequireDefault(_getIterator2);
exports.replaceWithMultiple = replaceWithMultiple;
exports.replaceWithSourceString = replaceWithSourceString;
exports.replaceWith = replaceWith;
exports._replaceWith = _replaceWith;
exports.replaceExpressionWithStatements = replaceExpressionWithStatements;
exports.replaceInline = replaceInline;
var _babelCodeFrame = require("babel-code-frame");
var _babelCodeFrame2 = _interopRequireDefault(_babelCodeFrame);
var _index = require("../index");
var _index2 = _interopRequireDefault(_index);
var _index3 = require("./index");
var _index4 = _interopRequireDefault(_index3);
var _babylon = require("babylon");
var _babelTypes = require("babel-types");
var t = _interopRequireWildcard(_babelTypes);
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
var hoistVariablesVisitor = {
Function: function Function(path) {
path.skip();
},
VariableDeclaration: function VariableDeclaration(path) {
if (path.node.kind !== "var") return;
var bindings = path.getBindingIdentifiers();
for (var key in bindings) {
path.scope.push({ id: bindings[key] });
}
var exprs = [];
for (var _iterator = path.node.declarations, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : (0, _getIterator3.default)(_iterator);;) {
var _ref;
if (_isArray) {
if (_i >= _iterator.length) break;
_ref = _iterator[_i++];
} else {
_i = _iterator.next();
if (_i.done) break;
_ref = _i.value;
}
var declar = _ref;
if (declar.init) {
exprs.push(t.expressionStatement(t.assignmentExpression("=", declar.id, declar.init)));
}
}
path.replaceWithMultiple(exprs);
}
};
function replaceWithMultiple(nodes) {
this.resync();
nodes = this._verifyNodeList(nodes);
t.inheritLeadingComments(nodes[0], this.node);
t.inheritTrailingComments(nodes[nodes.length - 1], this.node);
this.node = this.container[this.key] = null;
this.insertAfter(nodes);
if (this.node) {
this.requeue();
} else {
this.remove();
}
}
function replaceWithSourceString(replacement) {
this.resync();
try {
replacement = "(" + replacement + ")";
replacement = (0, _babylon.parse)(replacement);
} catch (err) {
var loc = err.loc;
if (loc) {
err.message += " - make sure this is an expression.";
err.message += "\n" + (0, _babelCodeFrame2.default)(replacement, loc.line, loc.column + 1);
}
throw err;
}
replacement = replacement.program.body[0].expression;
_index2.default.removeProperties(replacement);
return this.replaceWith(replacement);
}
function replaceWith(replacement) {
this.resync();
if (this.removed) {
throw new Error("You can't replace this node, we've already removed it");
}
if (replacement instanceof _index4.default) {
replacement = replacement.node;
}
if (!replacement) {
throw new Error("You passed `path.replaceWith()` a falsy node, use `path.remove()` instead");
}
if (this.node === replacement) {
return;
}
if (this.isProgram() && !t.isProgram(replacement)) {
throw new Error("You can only replace a Program root node with another Program node");
}
if (Array.isArray(replacement)) {
throw new Error("Don't use `path.replaceWith()` with an array of nodes, use `path.replaceWithMultiple()`");
}
if (typeof replacement === "string") {
throw new Error("Don't use `path.replaceWith()` with a source string, use `path.replaceWithSourceString()`");
}
if (this.isNodeType("Statement") && t.isExpression(replacement)) {
if (!this.canHaveVariableDeclarationOrExpression() && !this.canSwapBetweenExpressionAndStatement(replacement) && !this.parentPath.isExportDefaultDeclaration()) {
replacement = t.expressionStatement(replacement);
}
}
if (this.isNodeType("Expression") && t.isStatement(replacement)) {
if (!this.canHaveVariableDeclarationOrExpression() && !this.canSwapBetweenExpressionAndStatement(replacement)) {
return this.replaceExpressionWithStatements([replacement]);
}
}
var oldNode = this.node;
if (oldNode) {
t.inheritsComments(replacement, oldNode);
t.removeComments(oldNode);
}
this._replaceWith(replacement);
this.type = replacement.type;
this.setScope();
this.requeue();
}
function _replaceWith(node) {
if (!this.container) {
throw new ReferenceError("Container is falsy");
}
if (this.inList) {
t.validate(this.parent, this.key, [node]);
} else {
t.validate(this.parent, this.key, node);
}
this.debug(function () {
return "Replace with " + (node && node.type);
});
this.node = this.container[this.key] = node;
}
function replaceExpressionWithStatements(nodes) {
this.resync();
var toSequenceExpression = t.toSequenceExpression(nodes, this.scope);
if (t.isSequenceExpression(toSequenceExpression)) {
var exprs = toSequenceExpression.expressions;
if (exprs.length >= 2 && this.parentPath.isExpressionStatement()) {
this._maybePopFromStatements(exprs);
}
if (exprs.length === 1) {
this.replaceWith(exprs[0]);
} else {
this.replaceWith(toSequenceExpression);
}
} else if (toSequenceExpression) {
this.replaceWith(toSequenceExpression);
} else {
var container = t.functionExpression(null, [], t.blockStatement(nodes));
container.shadow = true;
this.replaceWith(t.callExpression(container, []));
this.traverse(hoistVariablesVisitor);
var completionRecords = this.get("callee").getCompletionRecords();
for (var _iterator2 = completionRecords, _isArray2 = Array.isArray(_iterator2), _i2 = 0, _iterator2 = _isArray2 ? _iterator2 : (0, _getIterator3.default)(_iterator2);;) {
var _ref2;
if (_isArray2) {
if (_i2 >= _iterator2.length) break;
_ref2 = _iterator2[_i2++];
} else {
_i2 = _iterator2.next();
if (_i2.done) break;
_ref2 = _i2.value;
}
var path = _ref2;
if (!path.isExpressionStatement()) continue;
var loop = path.findParent(function (path) {
return path.isLoop();
});
if (loop) {
var uid = loop.getData("expressionReplacementReturnUid");
if (!uid) {
var callee = this.get("callee");
uid = callee.scope.generateDeclaredUidIdentifier("ret");
callee.get("body").pushContainer("body", t.returnStatement(uid));
loop.setData("expressionReplacementReturnUid", uid);
} else {
uid = t.identifier(uid.name);
}
path.get("expression").replaceWith(t.assignmentExpression("=", uid, path.node.expression));
} else {
path.replaceWith(t.returnStatement(path.node.expression));
}
}
return this.node;
}
}
function replaceInline(nodes) {
this.resync();
if (Array.isArray(nodes)) {
if (Array.isArray(this.container)) {
nodes = this._verifyNodeList(nodes);
this._containerInsertAfter(nodes);
return this.remove();
} else {
return this.replaceWithMultiple(nodes);
}
} else {
return this.replaceWith(nodes);
}
}
+82
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@@ -0,0 +1,82 @@
"use strict";
exports.__esModule = true;
var _classCallCheck2 = require("babel-runtime/helpers/classCallCheck");
var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
var Binding = function () {
function Binding(_ref) {
var existing = _ref.existing,
identifier = _ref.identifier,
scope = _ref.scope,
path = _ref.path,
kind = _ref.kind;
(0, _classCallCheck3.default)(this, Binding);
this.identifier = identifier;
this.scope = scope;
this.path = path;
this.kind = kind;
this.constantViolations = [];
this.constant = true;
this.referencePaths = [];
this.referenced = false;
this.references = 0;
this.clearValue();
if (existing) {
this.constantViolations = [].concat(existing.path, existing.constantViolations, this.constantViolations);
}
}
Binding.prototype.deoptValue = function deoptValue() {
this.clearValue();
this.hasDeoptedValue = true;
};
Binding.prototype.setValue = function setValue(value) {
if (this.hasDeoptedValue) return;
this.hasValue = true;
this.value = value;
};
Binding.prototype.clearValue = function clearValue() {
this.hasDeoptedValue = false;
this.hasValue = false;
this.value = null;
};
Binding.prototype.reassign = function reassign(path) {
this.constant = false;
if (this.constantViolations.indexOf(path) !== -1) {
return;
}
this.constantViolations.push(path);
};
Binding.prototype.reference = function reference(path) {
if (this.referencePaths.indexOf(path) !== -1) {
return;
}
this.referenced = true;
this.references++;
this.referencePaths.push(path);
};
Binding.prototype.dereference = function dereference() {
this.references--;
this.referenced = !!this.references;
};
return Binding;
}();
exports.default = Binding;
module.exports = exports["default"];
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+113
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@@ -0,0 +1,113 @@
"use strict";
exports.__esModule = true;
var _classCallCheck2 = require("babel-runtime/helpers/classCallCheck");
var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);
var _binding = require("../binding");
var _binding2 = _interopRequireDefault(_binding);
var _babelTypes = require("babel-types");
var t = _interopRequireWildcard(_babelTypes);
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
var renameVisitor = {
ReferencedIdentifier: function ReferencedIdentifier(_ref, state) {
var node = _ref.node;
if (node.name === state.oldName) {
node.name = state.newName;
}
},
Scope: function Scope(path, state) {
if (!path.scope.bindingIdentifierEquals(state.oldName, state.binding.identifier)) {
path.skip();
}
},
"AssignmentExpression|Declaration": function AssignmentExpressionDeclaration(path, state) {
var ids = path.getOuterBindingIdentifiers();
for (var name in ids) {
if (name === state.oldName) ids[name].name = state.newName;
}
}
};
var Renamer = function () {
function Renamer(binding, oldName, newName) {
(0, _classCallCheck3.default)(this, Renamer);
this.newName = newName;
this.oldName = oldName;
this.binding = binding;
}
Renamer.prototype.maybeConvertFromExportDeclaration = function maybeConvertFromExportDeclaration(parentDeclar) {
var exportDeclar = parentDeclar.parentPath.isExportDeclaration() && parentDeclar.parentPath;
if (!exportDeclar) return;
var isDefault = exportDeclar.isExportDefaultDeclaration();
if (isDefault && (parentDeclar.isFunctionDeclaration() || parentDeclar.isClassDeclaration()) && !parentDeclar.node.id) {
parentDeclar.node.id = parentDeclar.scope.generateUidIdentifier("default");
}
var bindingIdentifiers = parentDeclar.getOuterBindingIdentifiers();
var specifiers = [];
for (var name in bindingIdentifiers) {
var localName = name === this.oldName ? this.newName : name;
var exportedName = isDefault ? "default" : name;
specifiers.push(t.exportSpecifier(t.identifier(localName), t.identifier(exportedName)));
}
if (specifiers.length) {
var aliasDeclar = t.exportNamedDeclaration(null, specifiers);
if (parentDeclar.isFunctionDeclaration()) {
aliasDeclar._blockHoist = 3;
}
exportDeclar.insertAfter(aliasDeclar);
exportDeclar.replaceWith(parentDeclar.node);
}
};
Renamer.prototype.rename = function rename(block) {
var binding = this.binding,
oldName = this.oldName,
newName = this.newName;
var scope = binding.scope,
path = binding.path;
var parentDeclar = path.find(function (path) {
return path.isDeclaration() || path.isFunctionExpression();
});
if (parentDeclar) {
this.maybeConvertFromExportDeclaration(parentDeclar);
}
scope.traverse(block || scope.block, renameVisitor, this);
if (!block) {
scope.removeOwnBinding(oldName);
scope.bindings[newName] = binding;
this.binding.identifier.name = newName;
}
if (binding.type === "hoisted") {}
};
return Renamer;
}();
exports.default = Renamer;
module.exports = exports["default"];
+341
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@@ -0,0 +1,341 @@
"use strict";
exports.__esModule = true;
var _typeof2 = require("babel-runtime/helpers/typeof");
var _typeof3 = _interopRequireDefault(_typeof2);
var _keys = require("babel-runtime/core-js/object/keys");
var _keys2 = _interopRequireDefault(_keys);
var _getIterator2 = require("babel-runtime/core-js/get-iterator");
var _getIterator3 = _interopRequireDefault(_getIterator2);
exports.explode = explode;
exports.verify = verify;
exports.merge = merge;
var _virtualTypes = require("./path/lib/virtual-types");
var virtualTypes = _interopRequireWildcard(_virtualTypes);
var _babelMessages = require("babel-messages");
var messages = _interopRequireWildcard(_babelMessages);
var _babelTypes = require("babel-types");
var t = _interopRequireWildcard(_babelTypes);
var _clone = require("lodash/clone");
var _clone2 = _interopRequireDefault(_clone);
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function explode(visitor) {
if (visitor._exploded) return visitor;
visitor._exploded = true;
for (var nodeType in visitor) {
if (shouldIgnoreKey(nodeType)) continue;
var parts = nodeType.split("|");
if (parts.length === 1) continue;
var fns = visitor[nodeType];
delete visitor[nodeType];
for (var _iterator = parts, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : (0, _getIterator3.default)(_iterator);;) {
var _ref;
if (_isArray) {
if (_i >= _iterator.length) break;
_ref = _iterator[_i++];
} else {
_i = _iterator.next();
if (_i.done) break;
_ref = _i.value;
}
var part = _ref;
visitor[part] = fns;
}
}
verify(visitor);
delete visitor.__esModule;
ensureEntranceObjects(visitor);
ensureCallbackArrays(visitor);
for (var _iterator2 = (0, _keys2.default)(visitor), _isArray2 = Array.isArray(_iterator2), _i2 = 0, _iterator2 = _isArray2 ? _iterator2 : (0, _getIterator3.default)(_iterator2);;) {
var _ref2;
if (_isArray2) {
if (_i2 >= _iterator2.length) break;
_ref2 = _iterator2[_i2++];
} else {
_i2 = _iterator2.next();
if (_i2.done) break;
_ref2 = _i2.value;
}
var _nodeType3 = _ref2;
if (shouldIgnoreKey(_nodeType3)) continue;
var wrapper = virtualTypes[_nodeType3];
if (!wrapper) continue;
var _fns2 = visitor[_nodeType3];
for (var type in _fns2) {
_fns2[type] = wrapCheck(wrapper, _fns2[type]);
}
delete visitor[_nodeType3];
if (wrapper.types) {
for (var _iterator4 = wrapper.types, _isArray4 = Array.isArray(_iterator4), _i4 = 0, _iterator4 = _isArray4 ? _iterator4 : (0, _getIterator3.default)(_iterator4);;) {
var _ref4;
if (_isArray4) {
if (_i4 >= _iterator4.length) break;
_ref4 = _iterator4[_i4++];
} else {
_i4 = _iterator4.next();
if (_i4.done) break;
_ref4 = _i4.value;
}
var _type = _ref4;
if (visitor[_type]) {
mergePair(visitor[_type], _fns2);
} else {
visitor[_type] = _fns2;
}
}
} else {
mergePair(visitor, _fns2);
}
}
for (var _nodeType in visitor) {
if (shouldIgnoreKey(_nodeType)) continue;
var _fns = visitor[_nodeType];
var aliases = t.FLIPPED_ALIAS_KEYS[_nodeType];
var deprecratedKey = t.DEPRECATED_KEYS[_nodeType];
if (deprecratedKey) {
console.trace("Visitor defined for " + _nodeType + " but it has been renamed to " + deprecratedKey);
aliases = [deprecratedKey];
}
if (!aliases) continue;
delete visitor[_nodeType];
for (var _iterator3 = aliases, _isArray3 = Array.isArray(_iterator3), _i3 = 0, _iterator3 = _isArray3 ? _iterator3 : (0, _getIterator3.default)(_iterator3);;) {
var _ref3;
if (_isArray3) {
if (_i3 >= _iterator3.length) break;
_ref3 = _iterator3[_i3++];
} else {
_i3 = _iterator3.next();
if (_i3.done) break;
_ref3 = _i3.value;
}
var alias = _ref3;
var existing = visitor[alias];
if (existing) {
mergePair(existing, _fns);
} else {
visitor[alias] = (0, _clone2.default)(_fns);
}
}
}
for (var _nodeType2 in visitor) {
if (shouldIgnoreKey(_nodeType2)) continue;
ensureCallbackArrays(visitor[_nodeType2]);
}
return visitor;
}
function verify(visitor) {
if (visitor._verified) return;
if (typeof visitor === "function") {
throw new Error(messages.get("traverseVerifyRootFunction"));
}
for (var nodeType in visitor) {
if (nodeType === "enter" || nodeType === "exit") {
validateVisitorMethods(nodeType, visitor[nodeType]);
}
if (shouldIgnoreKey(nodeType)) continue;
if (t.TYPES.indexOf(nodeType) < 0) {
throw new Error(messages.get("traverseVerifyNodeType", nodeType));
}
var visitors = visitor[nodeType];
if ((typeof visitors === "undefined" ? "undefined" : (0, _typeof3.default)(visitors)) === "object") {
for (var visitorKey in visitors) {
if (visitorKey === "enter" || visitorKey === "exit") {
validateVisitorMethods(nodeType + "." + visitorKey, visitors[visitorKey]);
} else {
throw new Error(messages.get("traverseVerifyVisitorProperty", nodeType, visitorKey));
}
}
}
}
visitor._verified = true;
}
function validateVisitorMethods(path, val) {
var fns = [].concat(val);
for (var _iterator5 = fns, _isArray5 = Array.isArray(_iterator5), _i5 = 0, _iterator5 = _isArray5 ? _iterator5 : (0, _getIterator3.default)(_iterator5);;) {
var _ref5;
if (_isArray5) {
if (_i5 >= _iterator5.length) break;
_ref5 = _iterator5[_i5++];
} else {
_i5 = _iterator5.next();
if (_i5.done) break;
_ref5 = _i5.value;
}
var fn = _ref5;
if (typeof fn !== "function") {
throw new TypeError("Non-function found defined in " + path + " with type " + (typeof fn === "undefined" ? "undefined" : (0, _typeof3.default)(fn)));
}
}
}
function merge(visitors) {
var states = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [];
var wrapper = arguments[2];
var rootVisitor = {};
for (var i = 0; i < visitors.length; i++) {
var visitor = visitors[i];
var state = states[i];
explode(visitor);
for (var type in visitor) {
var visitorType = visitor[type];
if (state || wrapper) {
visitorType = wrapWithStateOrWrapper(visitorType, state, wrapper);
}
var nodeVisitor = rootVisitor[type] = rootVisitor[type] || {};
mergePair(nodeVisitor, visitorType);
}
}
return rootVisitor;
}
function wrapWithStateOrWrapper(oldVisitor, state, wrapper) {
var newVisitor = {};
var _loop = function _loop(key) {
var fns = oldVisitor[key];
if (!Array.isArray(fns)) return "continue";
fns = fns.map(function (fn) {
var newFn = fn;
if (state) {
newFn = function newFn(path) {
return fn.call(state, path, state);
};
}
if (wrapper) {
newFn = wrapper(state.key, key, newFn);
}
return newFn;
});
newVisitor[key] = fns;
};
for (var key in oldVisitor) {
var _ret = _loop(key);
if (_ret === "continue") continue;
}
return newVisitor;
}
function ensureEntranceObjects(obj) {
for (var key in obj) {
if (shouldIgnoreKey(key)) continue;
var fns = obj[key];
if (typeof fns === "function") {
obj[key] = { enter: fns };
}
}
}
function ensureCallbackArrays(obj) {
if (obj.enter && !Array.isArray(obj.enter)) obj.enter = [obj.enter];
if (obj.exit && !Array.isArray(obj.exit)) obj.exit = [obj.exit];
}
function wrapCheck(wrapper, fn) {
var newFn = function newFn(path) {
if (wrapper.checkPath(path)) {
return fn.apply(this, arguments);
}
};
newFn.toString = function () {
return fn.toString();
};
return newFn;
}
function shouldIgnoreKey(key) {
if (key[0] === "_") return true;
if (key === "enter" || key === "exit" || key === "shouldSkip") return true;
if (key === "blacklist" || key === "noScope" || key === "skipKeys") return true;
return false;
}
function mergePair(dest, src) {
for (var key in src) {
dest[key] = [].concat(dest[key] || [], src[key]);
}
}
+1
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@@ -0,0 +1 @@
repo_token: SIAeZjKYlHK74rbcFvNHMUzjRiMpflxve
+11
View File
@@ -0,0 +1,11 @@
{
"env": {
"browser": true,
"node": true
},
"rules": {
"no-console": 0,
"no-empty": [1, { "allowEmptyCatch": true }]
},
"extends": "eslint:recommended"
}
+9
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@@ -0,0 +1,9 @@
support
test
examples
example
*.sock
dist
yarn.lock
coverage
bower.json
+14
View File
@@ -0,0 +1,14 @@
language: node_js
node_js:
- "6"
- "5"
- "4"
install:
- make node_modules
script:
- make lint
- make test
- make coveralls
+362
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@@ -0,0 +1,362 @@
2.6.9 / 2017-09-22
==================
* remove ReDoS regexp in %o formatter (#504)
2.6.8 / 2017-05-18
==================
* Fix: Check for undefined on browser globals (#462, @marbemac)
2.6.7 / 2017-05-16
==================
* Fix: Update ms to 2.0.0 to fix regular expression denial of service vulnerability (#458, @hubdotcom)
* Fix: Inline extend function in node implementation (#452, @dougwilson)
* Docs: Fix typo (#455, @msasad)
2.6.5 / 2017-04-27
==================
* Fix: null reference check on window.documentElement.style.WebkitAppearance (#447, @thebigredgeek)
* Misc: clean up browser reference checks (#447, @thebigredgeek)
* Misc: add npm-debug.log to .gitignore (@thebigredgeek)
2.6.4 / 2017-04-20
==================
* Fix: bug that would occure if process.env.DEBUG is a non-string value. (#444, @LucianBuzzo)
* Chore: ignore bower.json in npm installations. (#437, @joaovieira)
* Misc: update "ms" to v0.7.3 (@tootallnate)
2.6.3 / 2017-03-13
==================
* Fix: Electron reference to `process.env.DEBUG` (#431, @paulcbetts)
* Docs: Changelog fix (@thebigredgeek)
2.6.2 / 2017-03-10
==================
* Fix: DEBUG_MAX_ARRAY_LENGTH (#420, @slavaGanzin)
* Docs: Add backers and sponsors from Open Collective (#422, @piamancini)
* Docs: Add Slackin invite badge (@tootallnate)
2.6.1 / 2017-02-10
==================
* Fix: Module's `export default` syntax fix for IE8 `Expected identifier` error
* Fix: Whitelist DEBUG_FD for values 1 and 2 only (#415, @pi0)
* Fix: IE8 "Expected identifier" error (#414, @vgoma)
* Fix: Namespaces would not disable once enabled (#409, @musikov)
2.6.0 / 2016-12-28
==================
* Fix: added better null pointer checks for browser useColors (@thebigredgeek)
* Improvement: removed explicit `window.debug` export (#404, @tootallnate)
* Improvement: deprecated `DEBUG_FD` environment variable (#405, @tootallnate)
2.5.2 / 2016-12-25
==================
* Fix: reference error on window within webworkers (#393, @KlausTrainer)
* Docs: fixed README typo (#391, @lurch)
* Docs: added notice about v3 api discussion (@thebigredgeek)
2.5.1 / 2016-12-20
==================
* Fix: babel-core compatibility
2.5.0 / 2016-12-20
==================
* Fix: wrong reference in bower file (@thebigredgeek)
* Fix: webworker compatibility (@thebigredgeek)
* Fix: output formatting issue (#388, @kribblo)
* Fix: babel-loader compatibility (#383, @escwald)
* Misc: removed built asset from repo and publications (@thebigredgeek)
* Misc: moved source files to /src (#378, @yamikuronue)
* Test: added karma integration and replaced babel with browserify for browser tests (#378, @yamikuronue)
* Test: coveralls integration (#378, @yamikuronue)
* Docs: simplified language in the opening paragraph (#373, @yamikuronue)
2.4.5 / 2016-12-17
==================
* Fix: `navigator` undefined in Rhino (#376, @jochenberger)
* Fix: custom log function (#379, @hsiliev)
* Improvement: bit of cleanup + linting fixes (@thebigredgeek)
* Improvement: rm non-maintainted `dist/` dir (#375, @freewil)
* Docs: simplified language in the opening paragraph. (#373, @yamikuronue)
2.4.4 / 2016-12-14
==================
* Fix: work around debug being loaded in preload scripts for electron (#368, @paulcbetts)
2.4.3 / 2016-12-14
==================
* Fix: navigation.userAgent error for react native (#364, @escwald)
2.4.2 / 2016-12-14
==================
* Fix: browser colors (#367, @tootallnate)
* Misc: travis ci integration (@thebigredgeek)
* Misc: added linting and testing boilerplate with sanity check (@thebigredgeek)
2.4.1 / 2016-12-13
==================
* Fix: typo that broke the package (#356)
2.4.0 / 2016-12-13
==================
* Fix: bower.json references unbuilt src entry point (#342, @justmatt)
* Fix: revert "handle regex special characters" (@tootallnate)
* Feature: configurable util.inspect()`options for NodeJS (#327, @tootallnate)
* Feature: %O`(big O) pretty-prints objects (#322, @tootallnate)
* Improvement: allow colors in workers (#335, @botverse)
* Improvement: use same color for same namespace. (#338, @lchenay)
2.3.3 / 2016-11-09
==================
* Fix: Catch `JSON.stringify()` errors (#195, Jovan Alleyne)
* Fix: Returning `localStorage` saved values (#331, Levi Thomason)
* Improvement: Don't create an empty object when no `process` (Nathan Rajlich)
2.3.2 / 2016-11-09
==================
* Fix: be super-safe in index.js as well (@TooTallNate)
* Fix: should check whether process exists (Tom Newby)
2.3.1 / 2016-11-09
==================
* Fix: Added electron compatibility (#324, @paulcbetts)
* Improvement: Added performance optimizations (@tootallnate)
* Readme: Corrected PowerShell environment variable example (#252, @gimre)
* Misc: Removed yarn lock file from source control (#321, @fengmk2)
2.3.0 / 2016-11-07
==================
* Fix: Consistent placement of ms diff at end of output (#215, @gorangajic)
* Fix: Escaping of regex special characters in namespace strings (#250, @zacronos)
* Fix: Fixed bug causing crash on react-native (#282, @vkarpov15)
* Feature: Enabled ES6+ compatible import via default export (#212 @bucaran)
* Feature: Added %O formatter to reflect Chrome's console.log capability (#279, @oncletom)
* Package: Update "ms" to 0.7.2 (#315, @DevSide)
* Package: removed superfluous version property from bower.json (#207 @kkirsche)
* Readme: fix USE_COLORS to DEBUG_COLORS
* Readme: Doc fixes for format string sugar (#269, @mlucool)
* Readme: Updated docs for DEBUG_FD and DEBUG_COLORS environment variables (#232, @mattlyons0)
* Readme: doc fixes for PowerShell (#271 #243, @exoticknight @unreadable)
* Readme: better docs for browser support (#224, @matthewmueller)
* Tooling: Added yarn integration for development (#317, @thebigredgeek)
* Misc: Renamed History.md to CHANGELOG.md (@thebigredgeek)
* Misc: Added license file (#226 #274, @CantemoInternal @sdaitzman)
* Misc: Updated contributors (@thebigredgeek)
2.2.0 / 2015-05-09
==================
* package: update "ms" to v0.7.1 (#202, @dougwilson)
* README: add logging to file example (#193, @DanielOchoa)
* README: fixed a typo (#191, @amir-s)
* browser: expose `storage` (#190, @stephenmathieson)
* Makefile: add a `distclean` target (#189, @stephenmathieson)
2.1.3 / 2015-03-13
==================
* Updated stdout/stderr example (#186)
* Updated example/stdout.js to match debug current behaviour
* Renamed example/stderr.js to stdout.js
* Update Readme.md (#184)
* replace high intensity foreground color for bold (#182, #183)
2.1.2 / 2015-03-01
==================
* dist: recompile
* update "ms" to v0.7.0
* package: update "browserify" to v9.0.3
* component: fix "ms.js" repo location
* changed bower package name
* updated documentation about using debug in a browser
* fix: security error on safari (#167, #168, @yields)
2.1.1 / 2014-12-29
==================
* browser: use `typeof` to check for `console` existence
* browser: check for `console.log` truthiness (fix IE 8/9)
* browser: add support for Chrome apps
* Readme: added Windows usage remarks
* Add `bower.json` to properly support bower install
2.1.0 / 2014-10-15
==================
* node: implement `DEBUG_FD` env variable support
* package: update "browserify" to v6.1.0
* package: add "license" field to package.json (#135, @panuhorsmalahti)
2.0.0 / 2014-09-01
==================
* package: update "browserify" to v5.11.0
* node: use stderr rather than stdout for logging (#29, @stephenmathieson)
1.0.4 / 2014-07-15
==================
* dist: recompile
* example: remove `console.info()` log usage
* example: add "Content-Type" UTF-8 header to browser example
* browser: place %c marker after the space character
* browser: reset the "content" color via `color: inherit`
* browser: add colors support for Firefox >= v31
* debug: prefer an instance `log()` function over the global one (#119)
* Readme: update documentation about styled console logs for FF v31 (#116, @wryk)
1.0.3 / 2014-07-09
==================
* Add support for multiple wildcards in namespaces (#122, @seegno)
* browser: fix lint
1.0.2 / 2014-06-10
==================
* browser: update color palette (#113, @gscottolson)
* common: make console logging function configurable (#108, @timoxley)
* node: fix %o colors on old node <= 0.8.x
* Makefile: find node path using shell/which (#109, @timoxley)
1.0.1 / 2014-06-06
==================
* browser: use `removeItem()` to clear localStorage
* browser, node: don't set DEBUG if namespaces is undefined (#107, @leedm777)
* package: add "contributors" section
* node: fix comment typo
* README: list authors
1.0.0 / 2014-06-04
==================
* make ms diff be global, not be scope
* debug: ignore empty strings in enable()
* node: make DEBUG_COLORS able to disable coloring
* *: export the `colors` array
* npmignore: don't publish the `dist` dir
* Makefile: refactor to use browserify
* package: add "browserify" as a dev dependency
* Readme: add Web Inspector Colors section
* node: reset terminal color for the debug content
* node: map "%o" to `util.inspect()`
* browser: map "%j" to `JSON.stringify()`
* debug: add custom "formatters"
* debug: use "ms" module for humanizing the diff
* Readme: add "bash" syntax highlighting
* browser: add Firebug color support
* browser: add colors for WebKit browsers
* node: apply log to `console`
* rewrite: abstract common logic for Node & browsers
* add .jshintrc file
0.8.1 / 2014-04-14
==================
* package: re-add the "component" section
0.8.0 / 2014-03-30
==================
* add `enable()` method for nodejs. Closes #27
* change from stderr to stdout
* remove unnecessary index.js file
0.7.4 / 2013-11-13
==================
* remove "browserify" key from package.json (fixes something in browserify)
0.7.3 / 2013-10-30
==================
* fix: catch localStorage security error when cookies are blocked (Chrome)
* add debug(err) support. Closes #46
* add .browser prop to package.json. Closes #42
0.7.2 / 2013-02-06
==================
* fix package.json
* fix: Mobile Safari (private mode) is broken with debug
* fix: Use unicode to send escape character to shell instead of octal to work with strict mode javascript
0.7.1 / 2013-02-05
==================
* add repository URL to package.json
* add DEBUG_COLORED to force colored output
* add browserify support
* fix component. Closes #24
0.7.0 / 2012-05-04
==================
* Added .component to package.json
* Added debug.component.js build
0.6.0 / 2012-03-16
==================
* Added support for "-" prefix in DEBUG [Vinay Pulim]
* Added `.enabled` flag to the node version [TooTallNate]
0.5.0 / 2012-02-02
==================
* Added: humanize diffs. Closes #8
* Added `debug.disable()` to the CS variant
* Removed padding. Closes #10
* Fixed: persist client-side variant again. Closes #9
0.4.0 / 2012-02-01
==================
* Added browser variant support for older browsers [TooTallNate]
* Added `debug.enable('project:*')` to browser variant [TooTallNate]
* Added padding to diff (moved it to the right)
0.3.0 / 2012-01-26
==================
* Added millisecond diff when isatty, otherwise UTC string
0.2.0 / 2012-01-22
==================
* Added wildcard support
0.1.0 / 2011-12-02
==================
* Added: remove colors unless stderr isatty [TooTallNate]
0.0.1 / 2010-01-03
==================
* Initial release
+19
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@@ -0,0 +1,19 @@
(The MIT License)
Copyright (c) 2014 TJ Holowaychuk <tj@vision-media.ca>
Permission is hereby granted, free of charge, to any person obtaining a copy of this software
and associated documentation files (the 'Software'), to deal in the Software without restriction,
including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial
portions of the Software.
THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+50
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@@ -0,0 +1,50 @@
# get Makefile directory name: http://stackoverflow.com/a/5982798/376773
THIS_MAKEFILE_PATH:=$(word $(words $(MAKEFILE_LIST)),$(MAKEFILE_LIST))
THIS_DIR:=$(shell cd $(dir $(THIS_MAKEFILE_PATH));pwd)
# BIN directory
BIN := $(THIS_DIR)/node_modules/.bin
# Path
PATH := node_modules/.bin:$(PATH)
SHELL := /bin/bash
# applications
NODE ?= $(shell which node)
YARN ?= $(shell which yarn)
PKG ?= $(if $(YARN),$(YARN),$(NODE) $(shell which npm))
BROWSERIFY ?= $(NODE) $(BIN)/browserify
.FORCE:
install: node_modules
node_modules: package.json
@NODE_ENV= $(PKG) install
@touch node_modules
lint: .FORCE
eslint browser.js debug.js index.js node.js
test-node: .FORCE
istanbul cover node_modules/mocha/bin/_mocha -- test/**.js
test-browser: .FORCE
mkdir -p dist
@$(BROWSERIFY) \
--standalone debug \
. > dist/debug.js
karma start --single-run
rimraf dist
test: .FORCE
concurrently \
"make test-node" \
"make test-browser"
coveralls:
cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js
.PHONY: all install clean distclean
+312
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@@ -0,0 +1,312 @@
# debug
[![Build Status](https://travis-ci.org/visionmedia/debug.svg?branch=master)](https://travis-ci.org/visionmedia/debug) [![Coverage Status](https://coveralls.io/repos/github/visionmedia/debug/badge.svg?branch=master)](https://coveralls.io/github/visionmedia/debug?branch=master) [![Slack](https://visionmedia-community-slackin.now.sh/badge.svg)](https://visionmedia-community-slackin.now.sh/) [![OpenCollective](https://opencollective.com/debug/backers/badge.svg)](#backers)
[![OpenCollective](https://opencollective.com/debug/sponsors/badge.svg)](#sponsors)
A tiny node.js debugging utility modelled after node core's debugging technique.
**Discussion around the V3 API is under way [here](https://github.com/visionmedia/debug/issues/370)**
## Installation
```bash
$ npm install debug
```
## Usage
`debug` exposes a function; simply pass this function the name of your module, and it will return a decorated version of `console.error` for you to pass debug statements to. This will allow you to toggle the debug output for different parts of your module as well as the module as a whole.
Example _app.js_:
```js
var debug = require('debug')('http')
, http = require('http')
, name = 'My App';
// fake app
debug('booting %s', name);
http.createServer(function(req, res){
debug(req.method + ' ' + req.url);
res.end('hello\n');
}).listen(3000, function(){
debug('listening');
});
// fake worker of some kind
require('./worker');
```
Example _worker.js_:
```js
var debug = require('debug')('worker');
setInterval(function(){
debug('doing some work');
}, 1000);
```
The __DEBUG__ environment variable is then used to enable these based on space or comma-delimited names. Here are some examples:
![debug http and worker](http://f.cl.ly/items/18471z1H402O24072r1J/Screenshot.png)
![debug worker](http://f.cl.ly/items/1X413v1a3M0d3C2c1E0i/Screenshot.png)
#### Windows note
On Windows the environment variable is set using the `set` command.
```cmd
set DEBUG=*,-not_this
```
Note that PowerShell uses different syntax to set environment variables.
```cmd
$env:DEBUG = "*,-not_this"
```
Then, run the program to be debugged as usual.
## Millisecond diff
When actively developing an application it can be useful to see when the time spent between one `debug()` call and the next. Suppose for example you invoke `debug()` before requesting a resource, and after as well, the "+NNNms" will show you how much time was spent between calls.
![](http://f.cl.ly/items/2i3h1d3t121M2Z1A3Q0N/Screenshot.png)
When stdout is not a TTY, `Date#toUTCString()` is used, making it more useful for logging the debug information as shown below:
![](http://f.cl.ly/items/112H3i0e0o0P0a2Q2r11/Screenshot.png)
## Conventions
If you're using this in one or more of your libraries, you _should_ use the name of your library so that developers may toggle debugging as desired without guessing names. If you have more than one debuggers you _should_ prefix them with your library name and use ":" to separate features. For example "bodyParser" from Connect would then be "connect:bodyParser".
## Wildcards
The `*` character may be used as a wildcard. Suppose for example your library has debuggers named "connect:bodyParser", "connect:compress", "connect:session", instead of listing all three with `DEBUG=connect:bodyParser,connect:compress,connect:session`, you may simply do `DEBUG=connect:*`, or to run everything using this module simply use `DEBUG=*`.
You can also exclude specific debuggers by prefixing them with a "-" character. For example, `DEBUG=*,-connect:*` would include all debuggers except those starting with "connect:".
## Environment Variables
When running through Node.js, you can set a few environment variables that will
change the behavior of the debug logging:
| Name | Purpose |
|-----------|-------------------------------------------------|
| `DEBUG` | Enables/disables specific debugging namespaces. |
| `DEBUG_COLORS`| Whether or not to use colors in the debug output. |
| `DEBUG_DEPTH` | Object inspection depth. |
| `DEBUG_SHOW_HIDDEN` | Shows hidden properties on inspected objects. |
__Note:__ The environment variables beginning with `DEBUG_` end up being
converted into an Options object that gets used with `%o`/`%O` formatters.
See the Node.js documentation for
[`util.inspect()`](https://nodejs.org/api/util.html#util_util_inspect_object_options)
for the complete list.
## Formatters
Debug uses [printf-style](https://wikipedia.org/wiki/Printf_format_string) formatting. Below are the officially supported formatters:
| Formatter | Representation |
|-----------|----------------|
| `%O` | Pretty-print an Object on multiple lines. |
| `%o` | Pretty-print an Object all on a single line. |
| `%s` | String. |
| `%d` | Number (both integer and float). |
| `%j` | JSON. Replaced with the string '[Circular]' if the argument contains circular references. |
| `%%` | Single percent sign ('%'). This does not consume an argument. |
### Custom formatters
You can add custom formatters by extending the `debug.formatters` object. For example, if you wanted to add support for rendering a Buffer as hex with `%h`, you could do something like:
```js
const createDebug = require('debug')
createDebug.formatters.h = (v) => {
return v.toString('hex')
}
// …elsewhere
const debug = createDebug('foo')
debug('this is hex: %h', new Buffer('hello world'))
// foo this is hex: 68656c6c6f20776f726c6421 +0ms
```
## Browser support
You can build a browser-ready script using [browserify](https://github.com/substack/node-browserify),
or just use the [browserify-as-a-service](https://wzrd.in/) [build](https://wzrd.in/standalone/debug@latest),
if you don't want to build it yourself.
Debug's enable state is currently persisted by `localStorage`.
Consider the situation shown below where you have `worker:a` and `worker:b`,
and wish to debug both. You can enable this using `localStorage.debug`:
```js
localStorage.debug = 'worker:*'
```
And then refresh the page.
```js
a = debug('worker:a');
b = debug('worker:b');
setInterval(function(){
a('doing some work');
}, 1000);
setInterval(function(){
b('doing some work');
}, 1200);
```
#### Web Inspector Colors
Colors are also enabled on "Web Inspectors" that understand the `%c` formatting
option. These are WebKit web inspectors, Firefox ([since version
31](https://hacks.mozilla.org/2014/05/editable-box-model-multiple-selection-sublime-text-keys-much-more-firefox-developer-tools-episode-31/))
and the Firebug plugin for Firefox (any version).
Colored output looks something like:
![](https://cloud.githubusercontent.com/assets/71256/3139768/b98c5fd8-e8ef-11e3-862a-f7253b6f47c6.png)
## Output streams
By default `debug` will log to stderr, however this can be configured per-namespace by overriding the `log` method:
Example _stdout.js_:
```js
var debug = require('debug');
var error = debug('app:error');
// by default stderr is used
error('goes to stderr!');
var log = debug('app:log');
// set this namespace to log via console.log
log.log = console.log.bind(console); // don't forget to bind to console!
log('goes to stdout');
error('still goes to stderr!');
// set all output to go via console.info
// overrides all per-namespace log settings
debug.log = console.info.bind(console);
error('now goes to stdout via console.info');
log('still goes to stdout, but via console.info now');
```
## Authors
- TJ Holowaychuk
- Nathan Rajlich
- Andrew Rhyne
## Backers
Support us with a monthly donation and help us continue our activities. [[Become a backer](https://opencollective.com/debug#backer)]
<a href="https://opencollective.com/debug/backer/0/website" target="_blank"><img src="https://opencollective.com/debug/backer/0/avatar.svg"></a>
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## Sponsors
Become a sponsor and get your logo on our README on Github with a link to your site. [[Become a sponsor](https://opencollective.com/debug#sponsor)]
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## License
(The MIT License)
Copyright (c) 2014-2016 TJ Holowaychuk &lt;tj@vision-media.ca&gt;
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
'Software'), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+19
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{
"name": "debug",
"repo": "visionmedia/debug",
"description": "small debugging utility",
"version": "2.6.9",
"keywords": [
"debug",
"log",
"debugger"
],
"main": "src/browser.js",
"scripts": [
"src/browser.js",
"src/debug.js"
],
"dependencies": {
"rauchg/ms.js": "0.7.1"
}
}
+70
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@@ -0,0 +1,70 @@
// Karma configuration
// Generated on Fri Dec 16 2016 13:09:51 GMT+0000 (UTC)
module.exports = function(config) {
config.set({
// base path that will be used to resolve all patterns (eg. files, exclude)
basePath: '',
// frameworks to use
// available frameworks: https://npmjs.org/browse/keyword/karma-adapter
frameworks: ['mocha', 'chai', 'sinon'],
// list of files / patterns to load in the browser
files: [
'dist/debug.js',
'test/*spec.js'
],
// list of files to exclude
exclude: [
'src/node.js'
],
// preprocess matching files before serving them to the browser
// available preprocessors: https://npmjs.org/browse/keyword/karma-preprocessor
preprocessors: {
},
// test results reporter to use
// possible values: 'dots', 'progress'
// available reporters: https://npmjs.org/browse/keyword/karma-reporter
reporters: ['progress'],
// web server port
port: 9876,
// enable / disable colors in the output (reporters and logs)
colors: true,
// level of logging
// possible values: config.LOG_DISABLE || config.LOG_ERROR || config.LOG_WARN || config.LOG_INFO || config.LOG_DEBUG
logLevel: config.LOG_INFO,
// enable / disable watching file and executing tests whenever any file changes
autoWatch: true,
// start these browsers
// available browser launchers: https://npmjs.org/browse/keyword/karma-launcher
browsers: ['PhantomJS'],
// Continuous Integration mode
// if true, Karma captures browsers, runs the tests and exits
singleRun: false,
// Concurrency level
// how many browser should be started simultaneous
concurrency: Infinity
})
}
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module.exports = require('./src/node');
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{
"name": "debug",
"version": "2.6.9",
"repository": {
"type": "git",
"url": "git://github.com/visionmedia/debug.git"
},
"description": "small debugging utility",
"keywords": [
"debug",
"log",
"debugger"
],
"author": "TJ Holowaychuk <tj@vision-media.ca>",
"contributors": [
"Nathan Rajlich <nathan@tootallnate.net> (http://n8.io)",
"Andrew Rhyne <rhyneandrew@gmail.com>"
],
"license": "MIT",
"dependencies": {
"ms": "2.0.0"
},
"devDependencies": {
"browserify": "9.0.3",
"chai": "^3.5.0",
"concurrently": "^3.1.0",
"coveralls": "^2.11.15",
"eslint": "^3.12.1",
"istanbul": "^0.4.5",
"karma": "^1.3.0",
"karma-chai": "^0.1.0",
"karma-mocha": "^1.3.0",
"karma-phantomjs-launcher": "^1.0.2",
"karma-sinon": "^1.0.5",
"mocha": "^3.2.0",
"mocha-lcov-reporter": "^1.2.0",
"rimraf": "^2.5.4",
"sinon": "^1.17.6",
"sinon-chai": "^2.8.0"
},
"main": "./src/index.js",
"browser": "./src/browser.js",
"component": {
"scripts": {
"debug/index.js": "browser.js",
"debug/debug.js": "debug.js"
}
}
}
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/**
* This is the web browser implementation of `debug()`.
*
* Expose `debug()` as the module.
*/
exports = module.exports = require('./debug');
exports.log = log;
exports.formatArgs = formatArgs;
exports.save = save;
exports.load = load;
exports.useColors = useColors;
exports.storage = 'undefined' != typeof chrome
&& 'undefined' != typeof chrome.storage
? chrome.storage.local
: localstorage();
/**
* Colors.
*/
exports.colors = [
'lightseagreen',
'forestgreen',
'goldenrod',
'dodgerblue',
'darkorchid',
'crimson'
];
/**
* Currently only WebKit-based Web Inspectors, Firefox >= v31,
* and the Firebug extension (any Firefox version) are known
* to support "%c" CSS customizations.
*
* TODO: add a `localStorage` variable to explicitly enable/disable colors
*/
function useColors() {
// NB: In an Electron preload script, document will be defined but not fully
// initialized. Since we know we're in Chrome, we'll just detect this case
// explicitly
if (typeof window !== 'undefined' && window.process && window.process.type === 'renderer') {
return true;
}
// is webkit? http://stackoverflow.com/a/16459606/376773
// document is undefined in react-native: https://github.com/facebook/react-native/pull/1632
return (typeof document !== 'undefined' && document.documentElement && document.documentElement.style && document.documentElement.style.WebkitAppearance) ||
// is firebug? http://stackoverflow.com/a/398120/376773
(typeof window !== 'undefined' && window.console && (window.console.firebug || (window.console.exception && window.console.table))) ||
// is firefox >= v31?
// https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages
(typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/) && parseInt(RegExp.$1, 10) >= 31) ||
// double check webkit in userAgent just in case we are in a worker
(typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/applewebkit\/(\d+)/));
}
/**
* Map %j to `JSON.stringify()`, since no Web Inspectors do that by default.
*/
exports.formatters.j = function(v) {
try {
return JSON.stringify(v);
} catch (err) {
return '[UnexpectedJSONParseError]: ' + err.message;
}
};
/**
* Colorize log arguments if enabled.
*
* @api public
*/
function formatArgs(args) {
var useColors = this.useColors;
args[0] = (useColors ? '%c' : '')
+ this.namespace
+ (useColors ? ' %c' : ' ')
+ args[0]
+ (useColors ? '%c ' : ' ')
+ '+' + exports.humanize(this.diff);
if (!useColors) return;
var c = 'color: ' + this.color;
args.splice(1, 0, c, 'color: inherit')
// the final "%c" is somewhat tricky, because there could be other
// arguments passed either before or after the %c, so we need to
// figure out the correct index to insert the CSS into
var index = 0;
var lastC = 0;
args[0].replace(/%[a-zA-Z%]/g, function(match) {
if ('%%' === match) return;
index++;
if ('%c' === match) {
// we only are interested in the *last* %c
// (the user may have provided their own)
lastC = index;
}
});
args.splice(lastC, 0, c);
}
/**
* Invokes `console.log()` when available.
* No-op when `console.log` is not a "function".
*
* @api public
*/
function log() {
// this hackery is required for IE8/9, where
// the `console.log` function doesn't have 'apply'
return 'object' === typeof console
&& console.log
&& Function.prototype.apply.call(console.log, console, arguments);
}
/**
* Save `namespaces`.
*
* @param {String} namespaces
* @api private
*/
function save(namespaces) {
try {
if (null == namespaces) {
exports.storage.removeItem('debug');
} else {
exports.storage.debug = namespaces;
}
} catch(e) {}
}
/**
* Load `namespaces`.
*
* @return {String} returns the previously persisted debug modes
* @api private
*/
function load() {
var r;
try {
r = exports.storage.debug;
} catch(e) {}
// If debug isn't set in LS, and we're in Electron, try to load $DEBUG
if (!r && typeof process !== 'undefined' && 'env' in process) {
r = process.env.DEBUG;
}
return r;
}
/**
* Enable namespaces listed in `localStorage.debug` initially.
*/
exports.enable(load());
/**
* Localstorage attempts to return the localstorage.
*
* This is necessary because safari throws
* when a user disables cookies/localstorage
* and you attempt to access it.
*
* @return {LocalStorage}
* @api private
*/
function localstorage() {
try {
return window.localStorage;
} catch (e) {}
}
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/**
* This is the common logic for both the Node.js and web browser
* implementations of `debug()`.
*
* Expose `debug()` as the module.
*/
exports = module.exports = createDebug.debug = createDebug['default'] = createDebug;
exports.coerce = coerce;
exports.disable = disable;
exports.enable = enable;
exports.enabled = enabled;
exports.humanize = require('ms');
/**
* The currently active debug mode names, and names to skip.
*/
exports.names = [];
exports.skips = [];
/**
* Map of special "%n" handling functions, for the debug "format" argument.
*
* Valid key names are a single, lower or upper-case letter, i.e. "n" and "N".
*/
exports.formatters = {};
/**
* Previous log timestamp.
*/
var prevTime;
/**
* Select a color.
* @param {String} namespace
* @return {Number}
* @api private
*/
function selectColor(namespace) {
var hash = 0, i;
for (i in namespace) {
hash = ((hash << 5) - hash) + namespace.charCodeAt(i);
hash |= 0; // Convert to 32bit integer
}
return exports.colors[Math.abs(hash) % exports.colors.length];
}
/**
* Create a debugger with the given `namespace`.
*
* @param {String} namespace
* @return {Function}
* @api public
*/
function createDebug(namespace) {
function debug() {
// disabled?
if (!debug.enabled) return;
var self = debug;
// set `diff` timestamp
var curr = +new Date();
var ms = curr - (prevTime || curr);
self.diff = ms;
self.prev = prevTime;
self.curr = curr;
prevTime = curr;
// turn the `arguments` into a proper Array
var args = new Array(arguments.length);
for (var i = 0; i < args.length; i++) {
args[i] = arguments[i];
}
args[0] = exports.coerce(args[0]);
if ('string' !== typeof args[0]) {
// anything else let's inspect with %O
args.unshift('%O');
}
// apply any `formatters` transformations
var index = 0;
args[0] = args[0].replace(/%([a-zA-Z%])/g, function(match, format) {
// if we encounter an escaped % then don't increase the array index
if (match === '%%') return match;
index++;
var formatter = exports.formatters[format];
if ('function' === typeof formatter) {
var val = args[index];
match = formatter.call(self, val);
// now we need to remove `args[index]` since it's inlined in the `format`
args.splice(index, 1);
index--;
}
return match;
});
// apply env-specific formatting (colors, etc.)
exports.formatArgs.call(self, args);
var logFn = debug.log || exports.log || console.log.bind(console);
logFn.apply(self, args);
}
debug.namespace = namespace;
debug.enabled = exports.enabled(namespace);
debug.useColors = exports.useColors();
debug.color = selectColor(namespace);
// env-specific initialization logic for debug instances
if ('function' === typeof exports.init) {
exports.init(debug);
}
return debug;
}
/**
* Enables a debug mode by namespaces. This can include modes
* separated by a colon and wildcards.
*
* @param {String} namespaces
* @api public
*/
function enable(namespaces) {
exports.save(namespaces);
exports.names = [];
exports.skips = [];
var split = (typeof namespaces === 'string' ? namespaces : '').split(/[\s,]+/);
var len = split.length;
for (var i = 0; i < len; i++) {
if (!split[i]) continue; // ignore empty strings
namespaces = split[i].replace(/\*/g, '.*?');
if (namespaces[0] === '-') {
exports.skips.push(new RegExp('^' + namespaces.substr(1) + '$'));
} else {
exports.names.push(new RegExp('^' + namespaces + '$'));
}
}
}
/**
* Disable debug output.
*
* @api public
*/
function disable() {
exports.enable('');
}
/**
* Returns true if the given mode name is enabled, false otherwise.
*
* @param {String} name
* @return {Boolean}
* @api public
*/
function enabled(name) {
var i, len;
for (i = 0, len = exports.skips.length; i < len; i++) {
if (exports.skips[i].test(name)) {
return false;
}
}
for (i = 0, len = exports.names.length; i < len; i++) {
if (exports.names[i].test(name)) {
return true;
}
}
return false;
}
/**
* Coerce `val`.
*
* @param {Mixed} val
* @return {Mixed}
* @api private
*/
function coerce(val) {
if (val instanceof Error) return val.stack || val.message;
return val;
}
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/**
* Detect Electron renderer process, which is node, but we should
* treat as a browser.
*/
if (typeof process !== 'undefined' && process.type === 'renderer') {
module.exports = require('./browser.js');
} else {
module.exports = require('./node.js');
}
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module.exports = inspectorLog;
// black hole
const nullStream = new (require('stream').Writable)();
nullStream._write = () => {};
/**
* Outputs a `console.log()` to the Node.js Inspector console *only*.
*/
function inspectorLog() {
const stdout = console._stdout;
console._stdout = nullStream;
console.log.apply(console, arguments);
console._stdout = stdout;
}
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/**
* Module dependencies.
*/
var tty = require('tty');
var util = require('util');
/**
* This is the Node.js implementation of `debug()`.
*
* Expose `debug()` as the module.
*/
exports = module.exports = require('./debug');
exports.init = init;
exports.log = log;
exports.formatArgs = formatArgs;
exports.save = save;
exports.load = load;
exports.useColors = useColors;
/**
* Colors.
*/
exports.colors = [6, 2, 3, 4, 5, 1];
/**
* Build up the default `inspectOpts` object from the environment variables.
*
* $ DEBUG_COLORS=no DEBUG_DEPTH=10 DEBUG_SHOW_HIDDEN=enabled node script.js
*/
exports.inspectOpts = Object.keys(process.env).filter(function (key) {
return /^debug_/i.test(key);
}).reduce(function (obj, key) {
// camel-case
var prop = key
.substring(6)
.toLowerCase()
.replace(/_([a-z])/g, function (_, k) { return k.toUpperCase() });
// coerce string value into JS value
var val = process.env[key];
if (/^(yes|on|true|enabled)$/i.test(val)) val = true;
else if (/^(no|off|false|disabled)$/i.test(val)) val = false;
else if (val === 'null') val = null;
else val = Number(val);
obj[prop] = val;
return obj;
}, {});
/**
* The file descriptor to write the `debug()` calls to.
* Set the `DEBUG_FD` env variable to override with another value. i.e.:
*
* $ DEBUG_FD=3 node script.js 3>debug.log
*/
var fd = parseInt(process.env.DEBUG_FD, 10) || 2;
if (1 !== fd && 2 !== fd) {
util.deprecate(function(){}, 'except for stderr(2) and stdout(1), any other usage of DEBUG_FD is deprecated. Override debug.log if you want to use a different log function (https://git.io/debug_fd)')()
}
var stream = 1 === fd ? process.stdout :
2 === fd ? process.stderr :
createWritableStdioStream(fd);
/**
* Is stdout a TTY? Colored output is enabled when `true`.
*/
function useColors() {
return 'colors' in exports.inspectOpts
? Boolean(exports.inspectOpts.colors)
: tty.isatty(fd);
}
/**
* Map %o to `util.inspect()`, all on a single line.
*/
exports.formatters.o = function(v) {
this.inspectOpts.colors = this.useColors;
return util.inspect(v, this.inspectOpts)
.split('\n').map(function(str) {
return str.trim()
}).join(' ');
};
/**
* Map %o to `util.inspect()`, allowing multiple lines if needed.
*/
exports.formatters.O = function(v) {
this.inspectOpts.colors = this.useColors;
return util.inspect(v, this.inspectOpts);
};
/**
* Adds ANSI color escape codes if enabled.
*
* @api public
*/
function formatArgs(args) {
var name = this.namespace;
var useColors = this.useColors;
if (useColors) {
var c = this.color;
var prefix = ' \u001b[3' + c + ';1m' + name + ' ' + '\u001b[0m';
args[0] = prefix + args[0].split('\n').join('\n' + prefix);
args.push('\u001b[3' + c + 'm+' + exports.humanize(this.diff) + '\u001b[0m');
} else {
args[0] = new Date().toUTCString()
+ ' ' + name + ' ' + args[0];
}
}
/**
* Invokes `util.format()` with the specified arguments and writes to `stream`.
*/
function log() {
return stream.write(util.format.apply(util, arguments) + '\n');
}
/**
* Save `namespaces`.
*
* @param {String} namespaces
* @api private
*/
function save(namespaces) {
if (null == namespaces) {
// If you set a process.env field to null or undefined, it gets cast to the
// string 'null' or 'undefined'. Just delete instead.
delete process.env.DEBUG;
} else {
process.env.DEBUG = namespaces;
}
}
/**
* Load `namespaces`.
*
* @return {String} returns the previously persisted debug modes
* @api private
*/
function load() {
return process.env.DEBUG;
}
/**
* Copied from `node/src/node.js`.
*
* XXX: It's lame that node doesn't expose this API out-of-the-box. It also
* relies on the undocumented `tty_wrap.guessHandleType()` which is also lame.
*/
function createWritableStdioStream (fd) {
var stream;
var tty_wrap = process.binding('tty_wrap');
// Note stream._type is used for test-module-load-list.js
switch (tty_wrap.guessHandleType(fd)) {
case 'TTY':
stream = new tty.WriteStream(fd);
stream._type = 'tty';
// Hack to have stream not keep the event loop alive.
// See https://github.com/joyent/node/issues/1726
if (stream._handle && stream._handle.unref) {
stream._handle.unref();
}
break;
case 'FILE':
var fs = require('fs');
stream = new fs.SyncWriteStream(fd, { autoClose: false });
stream._type = 'fs';
break;
case 'PIPE':
case 'TCP':
var net = require('net');
stream = new net.Socket({
fd: fd,
readable: false,
writable: true
});
// FIXME Should probably have an option in net.Socket to create a
// stream from an existing fd which is writable only. But for now
// we'll just add this hack and set the `readable` member to false.
// Test: ./node test/fixtures/echo.js < /etc/passwd
stream.readable = false;
stream.read = null;
stream._type = 'pipe';
// FIXME Hack to have stream not keep the event loop alive.
// See https://github.com/joyent/node/issues/1726
if (stream._handle && stream._handle.unref) {
stream._handle.unref();
}
break;
default:
// Probably an error on in uv_guess_handle()
throw new Error('Implement me. Unknown stream file type!');
}
// For supporting legacy API we put the FD here.
stream.fd = fd;
stream._isStdio = true;
return stream;
}
/**
* Init logic for `debug` instances.
*
* Create a new `inspectOpts` object in case `useColors` is set
* differently for a particular `debug` instance.
*/
function init (debug) {
debug.inspectOpts = {};
var keys = Object.keys(exports.inspectOpts);
for (var i = 0; i < keys.length; i++) {
debug.inspectOpts[keys[i]] = exports.inspectOpts[keys[i]];
}
}
/**
* Enable namespaces listed in `process.env.DEBUG` initially.
*/
exports.enable(load());
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{
"name": "babel-traverse",
"version": "6.25.0",
"lockfileVersion": 1,
"requires": true,
"dependencies": {
"babylon": {
"version": "6.18.0",
"resolved": "https://registry.npmjs.org/babylon/-/babylon-6.18.0.tgz",
"integrity": "sha512-q/UEjfGJ2Cm3oKV71DJz9d25TPnq5rhBVL2Q4fA5wcC3jcrdn7+SssEybFIxwAvvP+YCsCYNKughoF33GxgycQ=="
},
"debug": {
"version": "2.6.8",
"resolved": "https://registry.npmjs.org/debug/-/debug-2.6.8.tgz",
"integrity": "sha1-5zFTHKLt4n0YgiJCfaF4IdaP9Pw=",
"requires": {
"ms": "2.0.0"
}
},
"globals": {
"version": "9.18.0",
"resolved": "https://registry.npmjs.org/globals/-/globals-9.18.0.tgz",
"integrity": "sha512-S0nG3CLEQiY/ILxqtztTWH/3iRRdyBLw6KMDxnKMchrtbj2OFmehVh0WUCfW3DUrIgx/qFrJPICrq4Z4sTR9UQ=="
},
"invariant": {
"version": "2.2.2",
"resolved": "https://registry.npmjs.org/invariant/-/invariant-2.2.2.tgz",
"integrity": "sha1-nh9WrArNtr8wMwbzOL47IErmA2A=",
"requires": {
"loose-envify": "1.3.1"
}
},
"js-tokens": {
"version": "3.0.2",
"resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-3.0.2.tgz",
"integrity": "sha1-mGbfOVECEw449/mWvOtlRDIJwls="
},
"lodash": {
"version": "4.17.4",
"resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.4.tgz",
"integrity": "sha1-eCA6TRwyiuHYbcpkYONptX9AVa4="
},
"loose-envify": {
"version": "1.3.1",
"resolved": "https://registry.npmjs.org/loose-envify/-/loose-envify-1.3.1.tgz",
"integrity": "sha1-0aitM/qc4OcT1l/dCsi3SNR4yEg=",
"requires": {
"js-tokens": "3.0.2"
}
},
"ms": {
"version": "2.0.0",
"resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
"integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
}
}
}
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{
"name": "babel-traverse",
"version": "6.26.0",
"description": "The Babel Traverse module maintains the overall tree state, and is responsible for replacing, removing, and adding nodes",
"author": "Sebastian McKenzie <sebmck@gmail.com>",
"homepage": "https://babeljs.io/",
"license": "MIT",
"repository": "https://github.com/babel/babel/tree/master/packages/babel-traverse",
"main": "lib/index.js",
"dependencies": {
"babel-code-frame": "^6.26.0",
"babel-messages": "^6.23.0",
"babel-runtime": "^6.26.0",
"babel-types": "^6.26.0",
"babylon": "^6.18.0",
"debug": "^2.6.8",
"globals": "^9.18.0",
"invariant": "^2.2.2",
"lodash": "^4.17.4"
},
"devDependencies": {
"babel-generator": "^6.26.0"
}
}