chushihua
This commit is contained in:
+118
@@ -0,0 +1,118 @@
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# enhanced-resolve
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Offers an async require.resolve function. It's highly configurable.
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## Features
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* plugin system
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* provide a custom filesystem
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* sync and async node.js filesystems included
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## Getting Started
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### Install
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```sh
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# npm
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npm install enhanced-resolve
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# or Yarn
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yarn add enhanced-resolve
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```
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### Creating a Resolver
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The easiest way to create a resolver is to use the `createResolver` function on `ResolveFactory`, along with one of the supplied File System implementations.
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```js
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const {
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NodeJsInputFileSystem,
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CachedInputFileSystem,
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ResolverFactory
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} = require('enhanced-resolve');
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// create a resolver
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const myResolver = ResolverFactory.createResolver({
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// Typical usage will consume the `NodeJsInputFileSystem` + `CachedInputFileSystem`, which wraps the Node.js `fs` wrapper to add resilience + caching.
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fileSystem: new CachedInputFileSystem(new NodeJsInputFileSystem(), 4000),
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extensions: ['.js', '.json']
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/* any other resolver options here. Options/defaults can be seen below */
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});
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// resolve a file with the new resolver
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const context = {};
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const lookupStartPath = '/Users/webpack/some/root/dir';
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const request = './path/to-look-up.js';
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myResolver.resolve({}, lookupStartPath, request, (err/*Error*/, filepath/*string*/) => {
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// Do something with the path
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});
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```
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For more examples creating different types resolvers (sync/async, context, etc) see `lib/node.js`.
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#### Resolver Options
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| Field | Default | Description |
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| ------------------------ | --------------------------- | ---------------------------------------------------------------------------------- |
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| modules | ["node_modules"] | A list of directories to resolve modules from, can be absolute path or folder name |
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| descriptionFiles | ["package.json"] | A list of description files to read from |
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| plugins | [] | A list of additional resolve plugins which should be applied |
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| mainFields | ["main"] | A list of main fields in description files |
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| aliasFields | [] | A list of alias fields in description files |
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| mainFiles | ["index"] | A list of main files in directories |
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| extensions | [".js", ".json", ".node"] | A list of extensions which should be tried for files |
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| enforceExtension | false | Enforce that a extension from extensions must be used |
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| moduleExtensions | [] | A list of module extensions which should be tried for modules |
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| enforceModuleExtension | false | Enforce that a extension from moduleExtensions must be used |
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| alias | [] | A list of module alias configurations or an object which maps key to value |
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| resolveToContext | false | Resolve to a context instead of a file |
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| unsafeCache | false | Use this cache object to unsafely cache the successful requests |
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| cacheWithContext | true | If unsafe cache is enabled, includes `request.context` in the cache key |
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| cachePredicate | function() { return true }; | A function which decides whether a request should be cached or not. An object is passed to the function with `path` and `request` properties. |
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| fileSystem | | The file system which should be used |
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| resolver | undefined | A prepared Resolver to which the plugins are attached |
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## Plugins
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Similar to `webpack`, the core of `enhanced-resolve` functionality is implemented as individual plugins that are executed using [`Tapable`](https://github.com/webpack/tapable). These plugins can extend the functionality of the library, adding other ways for files/contexts to be resolved.
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A plugin should be a `class` (or its ES5 equivalent) with an `apply` method. The `apply` method will receive a `resolver` instance, that can be used to hook in to the event system.
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### Plugin Boilerplate
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```js
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class MyResolverPlugin {
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constructor(source, target) {
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this.source = source;
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this.target = target;
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}
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apply(resolver) {
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resolver.plugin(this.source, (request, callback) => {
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// Any logic you need to create a new `request` can go here
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resolver.doResolve(this.target, request, null, callback);
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});
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}
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}
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```
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Plugins are executed in a pipeline, and register which event they should be executed before/after. In the example above, `source` is the name of the event that starts the pipeline, and `target` is what event this plugin should fire, which is what continues the execution of the pipeline. For an example of how these different plugin events create a chain, see `lib/ResolverFactory.js`, in the `//// pipeline ////` section.
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## Tests
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``` javascript
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npm test
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```
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[](http://travis-ci.org/webpack/enhanced-resolve)
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## Passing options from webpack
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If you are using `webpack`, and you want to pass custom options to `enhanced-resolve`, the options are passed from the `resolve` key of your webpack configuration e.g.:
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```
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resolve: {
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extensions: ['', '.js', '.jsx'],
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modules: ['src', 'node_modules'],
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plugins: [new DirectoryNamedWebpackPlugin()]
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...
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},
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```
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## License
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Copyright (c) 2012-2016 Tobias Koppers
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MIT (http://www.opensource.org/licenses/mit-license.php)
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+51
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/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Tobias Koppers @sokra
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*/
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var DescriptionFileUtils = require("./DescriptionFileUtils");
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var createInnerCallback = require("./createInnerCallback");
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var getInnerRequest = require("./getInnerRequest");
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function AliasFieldPlugin(source, field, target) {
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this.source = source;
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this.field = field;
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this.target = target;
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}
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module.exports = AliasFieldPlugin;
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AliasFieldPlugin.prototype.apply = function(resolver) {
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var target = this.target;
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var field = this.field;
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resolver.plugin(this.source, function(request, callback) {
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if(!request.descriptionFileData) return callback();
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var innerRequest = getInnerRequest(resolver, request);
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if(!innerRequest) return callback();
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var fieldData = DescriptionFileUtils.getField(request.descriptionFileData, field);
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if(typeof fieldData !== "object") {
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if(callback.log) callback.log("Field '" + field + "' doesn't contain a valid alias configuration");
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return callback();
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}
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var data1 = fieldData[innerRequest];
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var data2 = fieldData[innerRequest.replace(/^\.\//, "")];
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var data = typeof data1 !== "undefined" ? data1 : data2;
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if(data === innerRequest) return callback();
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if(data === undefined) return callback();
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if(data === false) {
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var ignoreObj = Object.assign({}, request, {
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path: false
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});
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return callback(null, ignoreObj);
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}
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var obj = Object.assign({}, request, {
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path: request.descriptionFileRoot,
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request: data
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});
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resolver.doResolve(target, obj, "aliased from description file " + request.descriptionFilePath + " with mapping '" + innerRequest + "' to '" + data + "'", createInnerCallback(function(err, result) {
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if(arguments.length > 0) return callback(err, result);
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// Don't allow other aliasing or raw request
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callback(null, null);
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}, callback));
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});
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};
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+57
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/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Tobias Koppers @sokra
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*/
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var createInnerCallback = require("./createInnerCallback");
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function startsWith(string, searchString) {
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var stringLength = string.length;
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var searchLength = searchString.length;
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// early out if the search length is greater than the search string
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if(searchLength > stringLength) {
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return false;
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}
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var index = -1;
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while(++index < searchLength) {
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if(string.charCodeAt(index) !== searchString.charCodeAt(index)) {
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return false;
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}
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}
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return true;
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}
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function AliasPlugin(source, options, target) {
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this.source = source;
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this.name = options.name;
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this.alias = options.alias;
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this.onlyModule = options.onlyModule;
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this.target = target;
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}
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module.exports = AliasPlugin;
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AliasPlugin.prototype.apply = function(resolver) {
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var target = this.target;
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var name = this.name;
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var alias = this.alias;
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var onlyModule = this.onlyModule;
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resolver.plugin(this.source, function(request, callback) {
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var innerRequest = request.request;
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if(!innerRequest) return callback();
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if(innerRequest === name || (!onlyModule && startsWith(innerRequest, name + "/"))) {
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if(innerRequest !== alias && !startsWith(innerRequest, alias + "/")) {
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var newRequestStr = alias + innerRequest.substr(name.length);
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var obj = Object.assign({}, request, {
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request: newRequestStr
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});
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return resolver.doResolve(target, obj, "aliased with mapping '" + name + "': '" + alias + "' to '" + newRequestStr + "'", createInnerCallback(function(err, result) {
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if(arguments.length > 0) return callback(err, result);
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// don't allow other aliasing or raw request
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callback(null, null);
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}, callback));
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}
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}
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return callback();
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});
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};
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+22
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/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Tobias Koppers @sokra
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*/
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function AppendPlugin(source, appending, target) {
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this.source = source;
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this.appending = appending;
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this.target = target;
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}
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module.exports = AppendPlugin;
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AppendPlugin.prototype.apply = function(resolver) {
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var target = this.target;
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var appending = this.appending;
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resolver.plugin(this.source, function(request, callback) {
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var obj = Object.assign({}, request, {
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path: request.path + appending,
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relativePath: request.relativePath && (request.relativePath + appending)
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});
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resolver.doResolve(target, obj, appending, callback);
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});
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};
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+271
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/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Tobias Koppers @sokra
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*/
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function Storage(duration) {
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this.duration = duration;
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this.running = new Map();
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this.data = new Map();
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this.levels = [];
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if(duration > 0) {
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this.levels.push(new Set(), new Set(), new Set(), new Set(), new Set(), new Set(), new Set(), new Set(), new Set());
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for(var i = 8000; i < duration; i += 500)
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this.levels.push(new Set());
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}
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this.count = 0;
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this.interval = null;
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this.needTickCheck = false;
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this.nextTick = null;
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this.passive = true;
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this.tick = this.tick.bind(this);
|
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}
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Storage.prototype.ensureTick = function() {
|
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if(!this.interval && this.duration > 0 && !this.nextTick)
|
||||
this.interval = setInterval(this.tick, Math.floor(this.duration / this.levels.length));
|
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};
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|
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Storage.prototype.finished = function(name, err, result) {
|
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var callbacks = this.running.get(name);
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this.running.delete(name);
|
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if(this.duration > 0) {
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this.data.set(name, [err, result]);
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var levelData = this.levels[0];
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||||
this.count -= levelData.size;
|
||||
levelData.add(name);
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this.count += levelData.size;
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||||
this.ensureTick();
|
||||
}
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for(var i = 0; i < callbacks.length; i++) {
|
||||
callbacks[i](err, result);
|
||||
}
|
||||
};
|
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Storage.prototype.finishedSync = function(name, err, result) {
|
||||
if(this.duration > 0) {
|
||||
this.data.set(name, [err, result]);
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var levelData = this.levels[0];
|
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this.count -= levelData.size;
|
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levelData.add(name);
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this.count += levelData.size;
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this.ensureTick();
|
||||
}
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};
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Storage.prototype.provide = function(name, provider, callback) {
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||||
if(typeof name !== "string") {
|
||||
callback(new TypeError("path must be a string"));
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return;
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||||
}
|
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var running = this.running.get(name);
|
||||
if(running) {
|
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running.push(callback);
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return;
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||||
}
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if(this.duration > 0) {
|
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this.checkTicks();
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var data = this.data.get(name);
|
||||
if(data) {
|
||||
return process.nextTick(function() {
|
||||
callback.apply(null, data);
|
||||
});
|
||||
}
|
||||
}
|
||||
this.running.set(name, running = [callback]);
|
||||
var _this = this;
|
||||
provider(name, function(err, result) {
|
||||
_this.finished(name, err, result);
|
||||
});
|
||||
};
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||||
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||||
Storage.prototype.provideSync = function(name, provider) {
|
||||
if(typeof name !== "string") {
|
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throw new TypeError("path must be a string");
|
||||
}
|
||||
if(this.duration > 0) {
|
||||
this.checkTicks();
|
||||
var data = this.data.get(name);
|
||||
if(data) {
|
||||
if(data[0])
|
||||
throw data[0];
|
||||
return data[1];
|
||||
}
|
||||
}
|
||||
try {
|
||||
var result = provider(name);
|
||||
} catch(e) {
|
||||
this.finishedSync(name, e);
|
||||
throw e;
|
||||
}
|
||||
this.finishedSync(name, null, result);
|
||||
return result;
|
||||
};
|
||||
|
||||
Storage.prototype.tick = function() {
|
||||
var decay = this.levels.pop();
|
||||
for(var item of decay) {
|
||||
this.data.delete(item);
|
||||
}
|
||||
this.count -= decay.size;
|
||||
decay.clear();
|
||||
this.levels.unshift(decay);
|
||||
if(this.count === 0) {
|
||||
clearInterval(this.interval);
|
||||
this.interval = null;
|
||||
this.nextTick = null;
|
||||
return true;
|
||||
} else if(this.nextTick) {
|
||||
this.nextTick += Math.floor(this.duration / this.levels.length);
|
||||
var time = new Date().getTime();
|
||||
if(this.nextTick > time) {
|
||||
this.nextTick = null;
|
||||
this.interval = setInterval(this.tick, Math.floor(this.duration / this.levels.length));
|
||||
return true;
|
||||
}
|
||||
} else if(this.passive) {
|
||||
clearInterval(this.interval);
|
||||
this.interval = null;
|
||||
this.nextTick = new Date().getTime() + Math.floor(this.duration / this.levels.length);
|
||||
} else {
|
||||
this.passive = true;
|
||||
}
|
||||
};
|
||||
|
||||
Storage.prototype.checkTicks = function() {
|
||||
this.passive = false;
|
||||
if(this.nextTick) {
|
||||
while(!this.tick());
|
||||
}
|
||||
};
|
||||
|
||||
Storage.prototype.purge = function(what) {
|
||||
if(!what) {
|
||||
this.count = 0;
|
||||
clearInterval(this.interval);
|
||||
this.nextTick = null;
|
||||
this.data.clear();
|
||||
this.levels.forEach(function(level) {
|
||||
level.clear();
|
||||
});
|
||||
} else if(typeof what === "string") {
|
||||
for(var key of this.data.keys()) {
|
||||
if(key.startsWith(what))
|
||||
this.data.delete(key);
|
||||
}
|
||||
} else {
|
||||
for(var i = what.length - 1; i >= 0; i--) {
|
||||
this.purge(what[i]);
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
function CachedInputFileSystem(fileSystem, duration) {
|
||||
this.fileSystem = fileSystem;
|
||||
this._statStorage = new Storage(duration);
|
||||
this._readdirStorage = new Storage(duration);
|
||||
this._readFileStorage = new Storage(duration);
|
||||
this._readJsonStorage = new Storage(duration);
|
||||
this._readlinkStorage = new Storage(duration);
|
||||
|
||||
this._stat = this.fileSystem.stat ? this.fileSystem.stat.bind(this.fileSystem) : null;
|
||||
if(!this._stat) this.stat = null;
|
||||
|
||||
this._statSync = this.fileSystem.statSync ? this.fileSystem.statSync.bind(this.fileSystem) : null;
|
||||
if(!this._statSync) this.statSync = null;
|
||||
|
||||
this._readdir = this.fileSystem.readdir ? this.fileSystem.readdir.bind(this.fileSystem) : null;
|
||||
if(!this._readdir) this.readdir = null;
|
||||
|
||||
this._readdirSync = this.fileSystem.readdirSync ? this.fileSystem.readdirSync.bind(this.fileSystem) : null;
|
||||
if(!this._readdirSync) this.readdirSync = null;
|
||||
|
||||
this._readFile = this.fileSystem.readFile ? this.fileSystem.readFile.bind(this.fileSystem) : null;
|
||||
if(!this._readFile) this.readFile = null;
|
||||
|
||||
this._readFileSync = this.fileSystem.readFileSync ? this.fileSystem.readFileSync.bind(this.fileSystem) : null;
|
||||
if(!this._readFileSync) this.readFileSync = null;
|
||||
|
||||
if(this.fileSystem.readJson) {
|
||||
this._readJson = this.fileSystem.readJson.bind(this.fileSystem);
|
||||
} else if(this.readFile) {
|
||||
this._readJson = function(path, callback) {
|
||||
this.readFile(path, function(err, buffer) {
|
||||
if(err) return callback(err);
|
||||
try {
|
||||
var data = JSON.parse(buffer.toString("utf-8"));
|
||||
} catch(e) {
|
||||
return callback(e);
|
||||
}
|
||||
callback(null, data);
|
||||
});
|
||||
}.bind(this);
|
||||
} else {
|
||||
this.readJson = null;
|
||||
}
|
||||
if(this.fileSystem.readJsonSync) {
|
||||
this._readJsonSync = this.fileSystem.readJsonSync.bind(this.fileSystem);
|
||||
} else if(this.readFileSync) {
|
||||
this._readJsonSync = function(path) {
|
||||
var buffer = this.readFileSync(path);
|
||||
var data = JSON.parse(buffer.toString("utf-8"));
|
||||
return data;
|
||||
}.bind(this);
|
||||
} else {
|
||||
this.readJsonSync = null;
|
||||
}
|
||||
|
||||
this._readlink = this.fileSystem.readlink ? this.fileSystem.readlink.bind(this.fileSystem) : null;
|
||||
if(!this._readlink) this.readlink = null;
|
||||
|
||||
this._readlinkSync = this.fileSystem.readlinkSync ? this.fileSystem.readlinkSync.bind(this.fileSystem) : null;
|
||||
if(!this._readlinkSync) this.readlinkSync = null;
|
||||
}
|
||||
module.exports = CachedInputFileSystem;
|
||||
|
||||
CachedInputFileSystem.prototype.stat = function(path, callback) {
|
||||
this._statStorage.provide(path, this._stat, callback);
|
||||
};
|
||||
|
||||
CachedInputFileSystem.prototype.readdir = function(path, callback) {
|
||||
this._readdirStorage.provide(path, this._readdir, callback);
|
||||
};
|
||||
|
||||
CachedInputFileSystem.prototype.readFile = function(path, callback) {
|
||||
this._readFileStorage.provide(path, this._readFile, callback);
|
||||
};
|
||||
|
||||
CachedInputFileSystem.prototype.readJson = function(path, callback) {
|
||||
this._readJsonStorage.provide(path, this._readJson, callback);
|
||||
};
|
||||
|
||||
CachedInputFileSystem.prototype.readlink = function(path, callback) {
|
||||
this._readlinkStorage.provide(path, this._readlink, callback);
|
||||
};
|
||||
|
||||
CachedInputFileSystem.prototype.statSync = function(path) {
|
||||
return this._statStorage.provideSync(path, this._statSync);
|
||||
};
|
||||
|
||||
CachedInputFileSystem.prototype.readdirSync = function(path) {
|
||||
return this._readdirStorage.provideSync(path, this._readdirSync);
|
||||
};
|
||||
|
||||
CachedInputFileSystem.prototype.readFileSync = function(path) {
|
||||
return this._readFileStorage.provideSync(path, this._readFileSync);
|
||||
};
|
||||
|
||||
CachedInputFileSystem.prototype.readJsonSync = function(path) {
|
||||
return this._readJsonStorage.provideSync(path, this._readJsonSync);
|
||||
};
|
||||
|
||||
CachedInputFileSystem.prototype.readlinkSync = function(path) {
|
||||
return this._readlinkStorage.provideSync(path, this._readlinkSync);
|
||||
};
|
||||
|
||||
CachedInputFileSystem.prototype.purge = function(what) {
|
||||
this._statStorage.purge(what);
|
||||
this._readdirStorage.purge(what);
|
||||
this._readFileStorage.purge(what);
|
||||
this._readlinkStorage.purge(what);
|
||||
this._readJsonStorage.purge(what);
|
||||
};
|
||||
+24
@@ -0,0 +1,24 @@
|
||||
/*
|
||||
MIT License http://www.opensource.org/licenses/mit-license.php
|
||||
Author Tobias Koppers @sokra
|
||||
*/
|
||||
var basename = require("./getPaths").basename;
|
||||
|
||||
function CloneBasenamePlugin(source, target) {
|
||||
this.source = source;
|
||||
this.target = target;
|
||||
}
|
||||
module.exports = CloneBasenamePlugin;
|
||||
|
||||
CloneBasenamePlugin.prototype.apply = function(resolver) {
|
||||
var target = this.target;
|
||||
resolver.plugin(this.source, function(request, callback) {
|
||||
var filename = basename(request.path);
|
||||
var filePath = resolver.join(request.path, filename);
|
||||
var obj = Object.assign({}, request, {
|
||||
path: filePath,
|
||||
relativePath: request.relativePath && resolver.join(request.relativePath, filename)
|
||||
});
|
||||
resolver.doResolve(target, obj, "using path: " + filePath, callback);
|
||||
});
|
||||
};
|
||||
+37
@@ -0,0 +1,37 @@
|
||||
/*
|
||||
MIT License http://www.opensource.org/licenses/mit-license.php
|
||||
Author Tobias Koppers @sokra
|
||||
*/
|
||||
var concord = require("./concord");
|
||||
var DescriptionFileUtils = require("./DescriptionFileUtils");
|
||||
var forEachBail = require("./forEachBail");
|
||||
var createInnerCallback = require("./createInnerCallback");
|
||||
|
||||
function ConcordExtensionsPlugin(source, options, target) {
|
||||
this.source = source;
|
||||
this.options = options;
|
||||
this.target = target;
|
||||
}
|
||||
module.exports = ConcordExtensionsPlugin;
|
||||
|
||||
ConcordExtensionsPlugin.prototype.apply = function(resolver) {
|
||||
var target = this.target;
|
||||
resolver.plugin(this.source, function(request, callback) {
|
||||
var concordField = DescriptionFileUtils.getField(request.descriptionFileData, "concord");
|
||||
if(!concordField) return callback();
|
||||
var extensions = concord.getExtensions(request.context, concordField);
|
||||
if(!extensions) return callback();
|
||||
var topLevelCallback = callback;
|
||||
forEachBail(extensions, function(appending, callback) {
|
||||
var obj = Object.assign({}, request, {
|
||||
path: request.path + appending,
|
||||
relativePath: request.relativePath && (request.relativePath + appending)
|
||||
});
|
||||
resolver.doResolve(target, obj, "concord extension: " + appending, createInnerCallback(callback, topLevelCallback));
|
||||
}, function(err, result) {
|
||||
if(arguments.length > 0) return callback(err, result);
|
||||
|
||||
callback(null, null);
|
||||
});
|
||||
});
|
||||
};
|
||||
+30
@@ -0,0 +1,30 @@
|
||||
/*
|
||||
MIT License http://www.opensource.org/licenses/mit-license.php
|
||||
Author Tobias Koppers @sokra
|
||||
*/
|
||||
var path = require("path");
|
||||
var concord = require("./concord");
|
||||
var DescriptionFileUtils = require("./DescriptionFileUtils");
|
||||
|
||||
function ConcordMainPlugin(source, options, target) {
|
||||
this.source = source;
|
||||
this.options = options;
|
||||
this.target = target;
|
||||
}
|
||||
module.exports = ConcordMainPlugin;
|
||||
|
||||
ConcordMainPlugin.prototype.apply = function(resolver) {
|
||||
var target = this.target;
|
||||
resolver.plugin(this.source, function(request, callback) {
|
||||
if(request.path !== request.descriptionFileRoot) return callback();
|
||||
var concordField = DescriptionFileUtils.getField(request.descriptionFileData, "concord");
|
||||
if(!concordField) return callback();
|
||||
var mainModule = concord.getMain(request.context, concordField);
|
||||
if(!mainModule) return callback();
|
||||
var obj = Object.assign({}, request, {
|
||||
request: mainModule
|
||||
});
|
||||
var filename = path.basename(request.descriptionFilePath);
|
||||
return resolver.doResolve(target, obj, "use " + mainModule + " from " + filename, callback);
|
||||
});
|
||||
};
|
||||
+44
@@ -0,0 +1,44 @@
|
||||
/*
|
||||
MIT License http://www.opensource.org/licenses/mit-license.php
|
||||
Author Tobias Koppers @sokra
|
||||
*/
|
||||
var concord = require("./concord");
|
||||
var DescriptionFileUtils = require("./DescriptionFileUtils");
|
||||
var createInnerCallback = require("./createInnerCallback");
|
||||
var getInnerRequest = require("./getInnerRequest");
|
||||
|
||||
function ConcordModulesPlugin(source, options, target) {
|
||||
this.source = source;
|
||||
this.options = options;
|
||||
this.target = target;
|
||||
}
|
||||
module.exports = ConcordModulesPlugin;
|
||||
|
||||
ConcordModulesPlugin.prototype.apply = function(resolver) {
|
||||
var target = this.target;
|
||||
resolver.plugin(this.source, function(request, callback) {
|
||||
var innerRequest = getInnerRequest(resolver, request);
|
||||
if(!innerRequest) return callback();
|
||||
var concordField = DescriptionFileUtils.getField(request.descriptionFileData, "concord");
|
||||
if(!concordField) return callback();
|
||||
var data = concord.matchModule(request.context, concordField, innerRequest);
|
||||
if(data === innerRequest) return callback();
|
||||
if(data === undefined) return callback();
|
||||
if(data === false) {
|
||||
var ignoreObj = Object.assign({}, request, {
|
||||
path: false
|
||||
});
|
||||
return callback(null, ignoreObj);
|
||||
}
|
||||
var obj = Object.assign({}, request, {
|
||||
path: request.descriptionFileRoot,
|
||||
request: data
|
||||
});
|
||||
resolver.doResolve(target, obj, "aliased from description file " + request.descriptionFilePath + " with mapping '" + innerRequest + "' to '" + data + "'", createInnerCallback(function(err, result) {
|
||||
if(arguments.length > 0) return callback(err, result);
|
||||
|
||||
// Don't allow other aliasing or raw request
|
||||
callback(null, null);
|
||||
}, callback));
|
||||
});
|
||||
};
|
||||
+51
@@ -0,0 +1,51 @@
|
||||
"use strict";
|
||||
/*
|
||||
MIT License http://www.opensource.org/licenses/mit-license.php
|
||||
Author Tobias Koppers @sokra
|
||||
*/
|
||||
const createInnerCallback = require("./createInnerCallback");
|
||||
const DescriptionFileUtils = require("./DescriptionFileUtils");
|
||||
|
||||
class DescriptionFilePlugin {
|
||||
constructor(source, filenames, target) {
|
||||
this.source = source;
|
||||
this.filenames = [].concat(filenames);
|
||||
this.target = target;
|
||||
}
|
||||
|
||||
apply(resolver) {
|
||||
const filenames = this.filenames;
|
||||
const target = this.target;
|
||||
resolver.plugin(this.source, (request, callback) => {
|
||||
const directory = request.path;
|
||||
DescriptionFileUtils.loadDescriptionFile(resolver, directory, filenames, ((err, result) => {
|
||||
if(err) return callback(err);
|
||||
if(!result) {
|
||||
if(callback.missing) {
|
||||
filenames.forEach((filename) => {
|
||||
callback.missing.push(resolver.join(directory, filename));
|
||||
});
|
||||
}
|
||||
if(callback.log) callback.log("No description file found");
|
||||
return callback();
|
||||
}
|
||||
const relativePath = "." + request.path.substr(result.directory.length).replace(/\\/g, "/");
|
||||
const obj = Object.assign({}, request, {
|
||||
descriptionFilePath: result.path,
|
||||
descriptionFileData: result.content,
|
||||
descriptionFileRoot: result.directory,
|
||||
relativePath: relativePath
|
||||
});
|
||||
resolver.doResolve(target, obj, "using description file: " + result.path + " (relative path: " + relativePath + ")", createInnerCallback((err, result) => {
|
||||
if(err) return callback(err);
|
||||
if(result) return callback(null, result);
|
||||
|
||||
// Don't allow other description files or none at all
|
||||
callback(null, null);
|
||||
}, callback));
|
||||
}));
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
module.exports = DescriptionFilePlugin;
|
||||
+93
@@ -0,0 +1,93 @@
|
||||
/*
|
||||
MIT License http://www.opensource.org/licenses/mit-license.php
|
||||
Author Tobias Koppers @sokra
|
||||
*/
|
||||
var forEachBail = require("./forEachBail");
|
||||
|
||||
function loadDescriptionFile(resolver, directory, filenames, callback) {
|
||||
(function findDescriptionFile() {
|
||||
forEachBail(filenames, function(filename, callback) {
|
||||
var descriptionFilePath = resolver.join(directory, filename);
|
||||
if(resolver.fileSystem.readJson) {
|
||||
resolver.fileSystem.readJson(descriptionFilePath, function(err, content) {
|
||||
if(err) {
|
||||
if(typeof err.code !== "undefined") return callback();
|
||||
return onJson(err);
|
||||
}
|
||||
onJson(null, content);
|
||||
});
|
||||
} else {
|
||||
resolver.fileSystem.readFile(descriptionFilePath, function(err, content) {
|
||||
if(err) return callback();
|
||||
try {
|
||||
var json = JSON.parse(content);
|
||||
} catch(e) {
|
||||
onJson(e);
|
||||
}
|
||||
onJson(null, json);
|
||||
});
|
||||
}
|
||||
|
||||
function onJson(err, content) {
|
||||
if(err) {
|
||||
if(callback.log)
|
||||
callback.log(descriptionFilePath + " (directory description file): " + err);
|
||||
else
|
||||
err.message = descriptionFilePath + " (directory description file): " + err;
|
||||
return callback(err);
|
||||
}
|
||||
callback(null, {
|
||||
content: content,
|
||||
directory: directory,
|
||||
path: descriptionFilePath
|
||||
});
|
||||
}
|
||||
}, function(err, result) {
|
||||
if(err) return callback(err);
|
||||
if(result) {
|
||||
return callback(null, result);
|
||||
} else {
|
||||
directory = cdUp(directory);
|
||||
if(!directory) {
|
||||
return callback();
|
||||
} else {
|
||||
return findDescriptionFile();
|
||||
}
|
||||
}
|
||||
});
|
||||
}());
|
||||
}
|
||||
|
||||
function getField(content, field) {
|
||||
if(!content) return undefined;
|
||||
if(Array.isArray(field)) {
|
||||
var current = content;
|
||||
for(var j = 0; j < field.length; j++) {
|
||||
if(current === null || typeof current !== "object") {
|
||||
current = null;
|
||||
break;
|
||||
}
|
||||
current = current[field[j]];
|
||||
}
|
||||
if(typeof current === "object") {
|
||||
return current;
|
||||
}
|
||||
} else {
|
||||
if(typeof content[field] === "object") {
|
||||
return content[field];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
function cdUp(directory) {
|
||||
if(directory === "/") return null;
|
||||
var i = directory.lastIndexOf("/"),
|
||||
j = directory.lastIndexOf("\\");
|
||||
var p = i < 0 ? j : j < 0 ? i : i < j ? j : i;
|
||||
if(p < 0) return null;
|
||||
return directory.substr(0, p || 1);
|
||||
}
|
||||
|
||||
exports.loadDescriptionFile = loadDescriptionFile;
|
||||
exports.getField = getField;
|
||||
exports.cdUp = cdUp;
|
||||
+30
@@ -0,0 +1,30 @@
|
||||
/*
|
||||
MIT License http://www.opensource.org/licenses/mit-license.php
|
||||
Author Tobias Koppers @sokra
|
||||
*/
|
||||
function DirectoryExistsPlugin(source, target) {
|
||||
this.source = source;
|
||||
this.target = target;
|
||||
}
|
||||
module.exports = DirectoryExistsPlugin;
|
||||
|
||||
DirectoryExistsPlugin.prototype.apply = function(resolver) {
|
||||
var target = this.target;
|
||||
resolver.plugin(this.source, function(request, callback) {
|
||||
var fs = this.fileSystem;
|
||||
var directory = request.path;
|
||||
fs.stat(directory, function(err, stat) {
|
||||
if(err || !stat) {
|
||||
if(callback.missing) callback.missing.push(directory);
|
||||
if(callback.log) callback.log(directory + " doesn't exist");
|
||||
return callback();
|
||||
}
|
||||
if(!stat.isDirectory()) {
|
||||
if(callback.missing) callback.missing.push(directory);
|
||||
if(callback.log) callback.log(directory + " is not a directory");
|
||||
return callback();
|
||||
}
|
||||
this.doResolve(target, request, "existing directory", callback);
|
||||
}.bind(this));
|
||||
});
|
||||
};
|
||||
+30
@@ -0,0 +1,30 @@
|
||||
/*
|
||||
MIT License http://www.opensource.org/licenses/mit-license.php
|
||||
Author Tobias Koppers @sokra
|
||||
*/
|
||||
function FileExistsPlugin(source, target) {
|
||||
this.source = source;
|
||||
this.target = target;
|
||||
}
|
||||
module.exports = FileExistsPlugin;
|
||||
|
||||
FileExistsPlugin.prototype.apply = function(resolver) {
|
||||
var target = this.target;
|
||||
resolver.plugin(this.source, function(request, callback) {
|
||||
var fs = this.fileSystem;
|
||||
var file = request.path;
|
||||
fs.stat(file, function(err, stat) {
|
||||
if(err || !stat) {
|
||||
if(callback.missing) callback.missing.push(file);
|
||||
if(callback.log) callback.log(file + " doesn't exist");
|
||||
return callback();
|
||||
}
|
||||
if(!stat.isFile()) {
|
||||
if(callback.missing) callback.missing.push(file);
|
||||
if(callback.log) callback.log(file + " is not a file");
|
||||
return callback();
|
||||
}
|
||||
this.doResolve(target, request, "existing file: " + file, callback, true);
|
||||
}.bind(this));
|
||||
});
|
||||
};
|
||||
+19
@@ -0,0 +1,19 @@
|
||||
/*
|
||||
MIT License http://www.opensource.org/licenses/mit-license.php
|
||||
Author Tobias Koppers @sokra
|
||||
*/
|
||||
function FileKindPlugin(source, target) {
|
||||
this.source = source;
|
||||
this.target = target;
|
||||
}
|
||||
module.exports = FileKindPlugin;
|
||||
|
||||
FileKindPlugin.prototype.apply = function(resolver) {
|
||||
var target = this.target;
|
||||
resolver.plugin(this.source, function(request, callback) {
|
||||
if(request.directory) return callback();
|
||||
var obj = Object.assign({}, request);
|
||||
delete obj.directory;
|
||||
resolver.doResolve(target, obj, null, callback);
|
||||
});
|
||||
};
|
||||
+21
@@ -0,0 +1,21 @@
|
||||
/*
|
||||
MIT License http://www.opensource.org/licenses/mit-license.php
|
||||
Author Tobias Koppers @sokra
|
||||
*/
|
||||
function JoinRequestPlugin(source, target) {
|
||||
this.source = source;
|
||||
this.target = target;
|
||||
}
|
||||
module.exports = JoinRequestPlugin;
|
||||
|
||||
JoinRequestPlugin.prototype.apply = function(resolver) {
|
||||
var target = this.target;
|
||||
resolver.plugin(this.source, function(request, callback) {
|
||||
var obj = Object.assign({}, request, {
|
||||
path: resolver.join(request.path, request.request),
|
||||
relativePath: request.relativePath && resolver.join(request.relativePath, request.request),
|
||||
request: undefined
|
||||
});
|
||||
resolver.doResolve(target, obj, null, callback);
|
||||
});
|
||||
};
|
||||
+25
@@ -0,0 +1,25 @@
|
||||
/*
|
||||
MIT License http://www.opensource.org/licenses/mit-license.php
|
||||
Author Tobias Koppers @sokra
|
||||
*/
|
||||
function LogInfoPlugin(source) {
|
||||
this.source = source;
|
||||
}
|
||||
module.exports = LogInfoPlugin;
|
||||
|
||||
LogInfoPlugin.prototype.apply = function(resolver) {
|
||||
var source = this.source;
|
||||
resolver.plugin(this.source, function(request, callback) {
|
||||
if(!callback.log) return callback();
|
||||
var log = callback.log;
|
||||
var prefix = "[" + source + "] ";
|
||||
if(request.path) log(prefix + "Resolving in directory: " + request.path);
|
||||
if(request.request) log(prefix + "Resolving request: " + request.request);
|
||||
if(request.module) log(prefix + "Request is an module request.");
|
||||
if(request.directory) log(prefix + "Request is a directory request.");
|
||||
if(request.query) log(prefix + "Resolving request query: " + request.query);
|
||||
if(request.descriptionFilePath) log(prefix + "Has description data from " + request.descriptionFilePath);
|
||||
if(request.relativePath) log(prefix + "Relative path from description file is: " + request.relativePath);
|
||||
callback();
|
||||
});
|
||||
};
|
||||
+48
@@ -0,0 +1,48 @@
|
||||
/*
|
||||
MIT License http://www.opensource.org/licenses/mit-license.php
|
||||
Author Tobias Koppers @sokra
|
||||
*/
|
||||
var path = require("path");
|
||||
|
||||
function MainFieldPlugin(source, options, target) {
|
||||
this.source = source;
|
||||
this.options = options;
|
||||
this.target = target;
|
||||
}
|
||||
module.exports = MainFieldPlugin;
|
||||
|
||||
MainFieldPlugin.prototype.apply = function(resolver) {
|
||||
var target = this.target;
|
||||
var options = this.options;
|
||||
resolver.plugin(this.source, function mainField(request, callback) {
|
||||
if(request.path !== request.descriptionFileRoot) return callback();
|
||||
var content = request.descriptionFileData;
|
||||
var filename = path.basename(request.descriptionFilePath);
|
||||
var mainModule;
|
||||
var field = options.name;
|
||||
if(Array.isArray(field)) {
|
||||
var current = content;
|
||||
for(var j = 0; j < field.length; j++) {
|
||||
if(current === null || typeof current !== "object") {
|
||||
current = null;
|
||||
break;
|
||||
}
|
||||
current = current[field[j]];
|
||||
}
|
||||
if(typeof current === "string") {
|
||||
mainModule = current;
|
||||
}
|
||||
} else {
|
||||
if(typeof content[field] === "string") {
|
||||
mainModule = content[field];
|
||||
}
|
||||
}
|
||||
if(!mainModule) return callback();
|
||||
if(options.forceRelative && !/^\.\.?\//.test(mainModule))
|
||||
mainModule = "./" + mainModule;
|
||||
var obj = Object.assign({}, request, {
|
||||
request: mainModule
|
||||
});
|
||||
return resolver.doResolve(target, obj, "use " + mainModule + " from " + options.name + " in " + filename, callback);
|
||||
});
|
||||
};
|
||||
+35
@@ -0,0 +1,35 @@
|
||||
/*
|
||||
MIT License http://www.opensource.org/licenses/mit-license.php
|
||||
Author Tobias Koppers @sokra
|
||||
*/
|
||||
function ModuleAppendPlugin(source, appending, target) {
|
||||
this.source = source;
|
||||
this.appending = appending;
|
||||
this.target = target;
|
||||
}
|
||||
module.exports = ModuleAppendPlugin;
|
||||
|
||||
ModuleAppendPlugin.prototype.apply = function(resolver) {
|
||||
var appending = this.appending;
|
||||
var target = this.target;
|
||||
resolver.plugin(this.source, function(request, callback) {
|
||||
var i = request.request.indexOf("/"),
|
||||
j = request.request.indexOf("\\");
|
||||
var p = i < 0 ? j : j < 0 ? i : i < j ? i : j;
|
||||
var moduleName, remainingRequest;
|
||||
if(p < 0) {
|
||||
moduleName = request.request;
|
||||
remainingRequest = "";
|
||||
} else {
|
||||
moduleName = request.request.substr(0, p);
|
||||
remainingRequest = request.request.substr(p);
|
||||
}
|
||||
if(moduleName === "." || moduleName === "..")
|
||||
return callback();
|
||||
var moduleFinalName = moduleName + appending;
|
||||
var obj = Object.assign({}, request, {
|
||||
request: moduleFinalName + remainingRequest
|
||||
});
|
||||
resolver.doResolve(target, obj, "module variation " + moduleFinalName, callback);
|
||||
});
|
||||
};
|
||||
+26
@@ -0,0 +1,26 @@
|
||||
/*
|
||||
MIT License http://www.opensource.org/licenses/mit-license.php
|
||||
Author Tobias Koppers @sokra
|
||||
*/
|
||||
var createInnerCallback = require("./createInnerCallback");
|
||||
|
||||
function ModuleKindPlugin(source, target) {
|
||||
this.source = source;
|
||||
this.target = target;
|
||||
}
|
||||
module.exports = ModuleKindPlugin;
|
||||
|
||||
ModuleKindPlugin.prototype.apply = function(resolver) {
|
||||
var target = this.target;
|
||||
resolver.plugin(this.source, function(request, callback) {
|
||||
if(!request.module) return callback();
|
||||
var obj = Object.assign({}, request);
|
||||
delete obj.module;
|
||||
resolver.doResolve(target, obj, "resolve as module", createInnerCallback(function(err, result) {
|
||||
if(arguments.length > 0) return callback(err, result);
|
||||
|
||||
// Don't allow other alternatives
|
||||
callback(null, null);
|
||||
}, callback));
|
||||
});
|
||||
};
|
||||
+46
@@ -0,0 +1,46 @@
|
||||
/*
|
||||
MIT License http://www.opensource.org/licenses/mit-license.php
|
||||
Author Tobias Koppers @sokra
|
||||
*/
|
||||
var createInnerCallback = require("./createInnerCallback");
|
||||
var forEachBail = require("./forEachBail");
|
||||
var getPaths = require("./getPaths");
|
||||
|
||||
function ModulesInHierachicDirectoriesPlugin(source, directories, target) {
|
||||
this.source = source;
|
||||
this.directories = [].concat(directories);
|
||||
this.target = target;
|
||||
}
|
||||
module.exports = ModulesInHierachicDirectoriesPlugin;
|
||||
|
||||
ModulesInHierachicDirectoriesPlugin.prototype.apply = function(resolver) {
|
||||
var directories = this.directories;
|
||||
var target = this.target;
|
||||
resolver.plugin(this.source, function(request, callback) {
|
||||
var fs = this.fileSystem;
|
||||
var topLevelCallback = callback;
|
||||
var addrs = getPaths(request.path).paths.map(function(p) {
|
||||
return directories.map(function(d) {
|
||||
return this.join(p, d);
|
||||
}, this);
|
||||
}, this).reduce(function(array, p) {
|
||||
array.push.apply(array, p);
|
||||
return array;
|
||||
}, []);
|
||||
forEachBail(addrs, function(addr, callback) {
|
||||
fs.stat(addr, function(err, stat) {
|
||||
if(!err && stat && stat.isDirectory()) {
|
||||
var obj = Object.assign({}, request, {
|
||||
path: addr,
|
||||
request: "./" + request.request
|
||||
});
|
||||
var message = "looking for modules in " + addr;
|
||||
return resolver.doResolve(target, obj, message, createInnerCallback(callback, topLevelCallback));
|
||||
}
|
||||
if(topLevelCallback.log) topLevelCallback.log(addr + " doesn't exist or is not a directory");
|
||||
if(topLevelCallback.missing) topLevelCallback.missing.push(addr);
|
||||
return callback();
|
||||
});
|
||||
}, callback);
|
||||
});
|
||||
};
|
||||
+22
@@ -0,0 +1,22 @@
|
||||
/*
|
||||
MIT License http://www.opensource.org/licenses/mit-license.php
|
||||
Author Tobias Koppers @sokra
|
||||
*/
|
||||
function ModulesInRootPlugin(source, path, target) {
|
||||
this.source = source;
|
||||
this.path = path;
|
||||
this.target = target;
|
||||
}
|
||||
module.exports = ModulesInRootPlugin;
|
||||
|
||||
ModulesInRootPlugin.prototype.apply = function(resolver) {
|
||||
var target = this.target;
|
||||
var path = this.path;
|
||||
resolver.plugin(this.source, function(request, callback) {
|
||||
var obj = Object.assign({}, request, {
|
||||
path: path,
|
||||
request: "./" + request.request
|
||||
});
|
||||
resolver.doResolve(target, obj, "looking for modules in " + path, callback, true);
|
||||
});
|
||||
};
|
||||
+16
@@ -0,0 +1,16 @@
|
||||
/*
|
||||
MIT License http://www.opensource.org/licenses/mit-license.php
|
||||
Author Tobias Koppers @sokra
|
||||
*/
|
||||
function NextPlugin(source, target) {
|
||||
this.source = source;
|
||||
this.target = target;
|
||||
}
|
||||
module.exports = NextPlugin;
|
||||
|
||||
NextPlugin.prototype.apply = function(resolver) {
|
||||
var target = this.target;
|
||||
resolver.plugin(this.source, function(request, callback) {
|
||||
resolver.doResolve(target, request, null, callback);
|
||||
});
|
||||
};
|
||||
+29
@@ -0,0 +1,29 @@
|
||||
/*
|
||||
MIT License http://www.opensource.org/licenses/mit-license.php
|
||||
Author Tobias Koppers @sokra
|
||||
*/
|
||||
var fs = require("graceful-fs");
|
||||
|
||||
function NodeJsInputFileSystem() {}
|
||||
module.exports = NodeJsInputFileSystem;
|
||||
|
||||
NodeJsInputFileSystem.prototype.stat = fs.stat.bind(fs);
|
||||
NodeJsInputFileSystem.prototype.readdir = function readdir(path, callback) {
|
||||
fs.readdir(path, function(err, files) {
|
||||
callback(err, files && files.map(function(file) {
|
||||
return file.normalize ? file.normalize("NFC") : file;
|
||||
}));
|
||||
});
|
||||
};
|
||||
NodeJsInputFileSystem.prototype.readFile = fs.readFile.bind(fs);
|
||||
NodeJsInputFileSystem.prototype.readlink = fs.readlink.bind(fs);
|
||||
|
||||
NodeJsInputFileSystem.prototype.statSync = fs.statSync.bind(fs);
|
||||
NodeJsInputFileSystem.prototype.readdirSync = function readdirSync(path) {
|
||||
var files = fs.readdirSync(path);
|
||||
return files && files.map(function(file) {
|
||||
return file.normalize ? file.normalize("NFC") : file;
|
||||
});
|
||||
};
|
||||
NodeJsInputFileSystem.prototype.readFileSync = fs.readFileSync.bind(fs);
|
||||
NodeJsInputFileSystem.prototype.readlinkSync = fs.readlinkSync.bind(fs);
|
||||
+27
@@ -0,0 +1,27 @@
|
||||
/*
|
||||
MIT License http://www.opensource.org/licenses/mit-license.php
|
||||
Author Tobias Koppers @sokra
|
||||
*/
|
||||
function ParsePlugin(source, target) {
|
||||
this.source = source;
|
||||
this.target = target;
|
||||
}
|
||||
module.exports = ParsePlugin;
|
||||
|
||||
ParsePlugin.prototype.apply = function(resolver) {
|
||||
var target = this.target;
|
||||
resolver.plugin(this.source, function(request, callback) {
|
||||
var parsed = resolver.parse(request.request);
|
||||
var obj = Object.assign({}, request, parsed);
|
||||
if(request.query && !parsed.query) {
|
||||
obj.query = request.query;
|
||||
}
|
||||
if(parsed && callback.log) {
|
||||
if(parsed.module)
|
||||
callback.log("Parsed request is a module");
|
||||
if(parsed.directory)
|
||||
callback.log("Parsed request is a directory");
|
||||
}
|
||||
resolver.doResolve(target, obj, null, callback);
|
||||
});
|
||||
};
|
||||
+227
@@ -0,0 +1,227 @@
|
||||
/*
|
||||
MIT License http://www.opensource.org/licenses/mit-license.php
|
||||
Author Tobias Koppers @sokra
|
||||
*/
|
||||
var Tapable = require("tapable");
|
||||
var createInnerCallback = require("./createInnerCallback");
|
||||
|
||||
function Resolver(fileSystem) {
|
||||
Tapable.call(this);
|
||||
this.fileSystem = fileSystem;
|
||||
}
|
||||
module.exports = Resolver;
|
||||
|
||||
Resolver.prototype = Object.create(Tapable.prototype);
|
||||
|
||||
Resolver.prototype.constructor = Resolver;
|
||||
|
||||
Resolver.prototype.resolveSync = function resolveSync(context, path, request) {
|
||||
var err, result, sync = false;
|
||||
this.resolve(context, path, request, function(e, r) {
|
||||
err = e;
|
||||
result = r;
|
||||
sync = true;
|
||||
});
|
||||
if(!sync) throw new Error("Cannot 'resolveSync' because the fileSystem is not sync. Use 'resolve'!");
|
||||
if(err) throw err;
|
||||
return result;
|
||||
};
|
||||
|
||||
Resolver.prototype.resolve = function resolve(context, path, request, callback) {
|
||||
if(arguments.length === 3) {
|
||||
throw new Error("Signature changed: context parameter added");
|
||||
}
|
||||
var resolver = this;
|
||||
var obj = {
|
||||
context: context,
|
||||
path: path,
|
||||
request: request
|
||||
};
|
||||
|
||||
var localMissing;
|
||||
var log;
|
||||
var message = "resolve '" + request + "' in '" + path + "'";
|
||||
|
||||
function writeLog(msg) {
|
||||
log.push(msg);
|
||||
}
|
||||
|
||||
function logAsString() {
|
||||
return log.join("\n");
|
||||
}
|
||||
|
||||
function onError(err, result) {
|
||||
if(callback.log) {
|
||||
for(var i = 0; i < log.length; i++)
|
||||
callback.log(log[i]);
|
||||
}
|
||||
|
||||
if(err) return callback(err);
|
||||
|
||||
var error = new Error("Can't " + message);
|
||||
error.details = logAsString();
|
||||
error.missing = localMissing;
|
||||
resolver.applyPlugins("no-resolve", obj, error);
|
||||
return callback(error);
|
||||
}
|
||||
|
||||
function onResolve(err, result) {
|
||||
if(!err && result) {
|
||||
return callback(null, result.path === false ? false : result.path + (result.query || ""), result);
|
||||
}
|
||||
|
||||
localMissing = [];
|
||||
log = [];
|
||||
|
||||
return resolver.doResolve("resolve", obj, message, createInnerCallback(onError, {
|
||||
log: writeLog,
|
||||
missing: localMissing,
|
||||
stack: callback.stack
|
||||
}));
|
||||
}
|
||||
|
||||
onResolve.missing = callback.missing;
|
||||
onResolve.stack = callback.stack;
|
||||
|
||||
return this.doResolve("resolve", obj, message, onResolve);
|
||||
};
|
||||
|
||||
Resolver.prototype.doResolve = function doResolve(type, request, message, callback) {
|
||||
var resolver = this;
|
||||
var stackLine = type + ": (" + request.path + ") " +
|
||||
(request.request || "") + (request.query || "") +
|
||||
(request.directory ? " directory" : "") +
|
||||
(request.module ? " module" : "");
|
||||
var newStack = [stackLine];
|
||||
if(callback.stack) {
|
||||
newStack = callback.stack.concat(newStack);
|
||||
if(callback.stack.indexOf(stackLine) >= 0) {
|
||||
// Prevent recursion
|
||||
var recursionError = new Error("Recursion in resolving\nStack:\n " + newStack.join("\n "));
|
||||
recursionError.recursion = true;
|
||||
if(callback.log) callback.log("abort resolving because of recursion");
|
||||
return callback(recursionError);
|
||||
}
|
||||
}
|
||||
resolver.applyPlugins("resolve-step", type, request);
|
||||
|
||||
var beforePluginName = "before-" + type;
|
||||
if(resolver.hasPlugins(beforePluginName)) {
|
||||
resolver.applyPluginsAsyncSeriesBailResult1(beforePluginName, request, createInnerCallback(beforeInnerCallback, {
|
||||
log: callback.log,
|
||||
missing: callback.missing,
|
||||
stack: newStack
|
||||
}, message && ("before " + message), true));
|
||||
} else {
|
||||
runNormal();
|
||||
}
|
||||
|
||||
function beforeInnerCallback(err, result) {
|
||||
if(arguments.length > 0) {
|
||||
if(err) return callback(err);
|
||||
if(result) return callback(null, result);
|
||||
return callback();
|
||||
}
|
||||
runNormal();
|
||||
}
|
||||
|
||||
function runNormal() {
|
||||
if(resolver.hasPlugins(type)) {
|
||||
return resolver.applyPluginsAsyncSeriesBailResult1(type, request, createInnerCallback(innerCallback, {
|
||||
log: callback.log,
|
||||
missing: callback.missing,
|
||||
stack: newStack
|
||||
}, message));
|
||||
} else {
|
||||
runAfter();
|
||||
}
|
||||
}
|
||||
|
||||
function innerCallback(err, result) {
|
||||
if(arguments.length > 0) {
|
||||
if(err) return callback(err);
|
||||
if(result) return callback(null, result);
|
||||
return callback();
|
||||
}
|
||||
runAfter();
|
||||
}
|
||||
|
||||
function runAfter() {
|
||||
var afterPluginName = "after-" + type;
|
||||
if(resolver.hasPlugins(afterPluginName)) {
|
||||
return resolver.applyPluginsAsyncSeriesBailResult1(afterPluginName, request, createInnerCallback(afterInnerCallback, {
|
||||
log: callback.log,
|
||||
missing: callback.missing,
|
||||
stack: newStack
|
||||
}, message && ("after " + message), true));
|
||||
} else {
|
||||
callback();
|
||||
}
|
||||
}
|
||||
|
||||
function afterInnerCallback(err, result) {
|
||||
if(arguments.length > 0) {
|
||||
if(err) return callback(err);
|
||||
if(result) return callback(null, result);
|
||||
return callback();
|
||||
}
|
||||
return callback();
|
||||
}
|
||||
};
|
||||
|
||||
Resolver.prototype.parse = function parse(identifier) {
|
||||
if(identifier === "") return null;
|
||||
var part = {
|
||||
request: "",
|
||||
query: "",
|
||||
module: false,
|
||||
directory: false,
|
||||
file: false
|
||||
};
|
||||
var idxQuery = identifier.indexOf("?");
|
||||
if(idxQuery === 0) {
|
||||
part.query = identifier;
|
||||
} else if(idxQuery > 0) {
|
||||
part.request = identifier.slice(0, idxQuery);
|
||||
part.query = identifier.slice(idxQuery);
|
||||
} else {
|
||||
part.request = identifier;
|
||||
}
|
||||
if(part.request) {
|
||||
part.module = this.isModule(part.request);
|
||||
part.directory = this.isDirectory(part.request);
|
||||
if(part.directory) {
|
||||
part.request = part.request.substr(0, part.request.length - 1);
|
||||
}
|
||||
}
|
||||
return part;
|
||||
};
|
||||
|
||||
var notModuleRegExp = /^\.$|^\.[\\\/]|^\.\.$|^\.\.[\/\\]|^\/|^[A-Z]:[\\\/]/i;
|
||||
Resolver.prototype.isModule = function isModule(path) {
|
||||
return !notModuleRegExp.test(path);
|
||||
};
|
||||
|
||||
var directoryRegExp = /[\/\\]$/i;
|
||||
Resolver.prototype.isDirectory = function isDirectory(path) {
|
||||
return directoryRegExp.test(path);
|
||||
};
|
||||
|
||||
var memoryFsJoin = require("memory-fs/lib/join");
|
||||
var memoizedJoin = new Map();
|
||||
Resolver.prototype.join = function(path, request) {
|
||||
var cacheEntry;
|
||||
var pathCache = memoizedJoin.get(path);
|
||||
if(typeof pathCache === "undefined") {
|
||||
memoizedJoin.set(path, pathCache = new Map());
|
||||
} else {
|
||||
cacheEntry = pathCache.get(request);
|
||||
if(typeof cacheEntry !== "undefined")
|
||||
return cacheEntry;
|
||||
}
|
||||
cacheEntry = memoryFsJoin(path, request);
|
||||
pathCache.set(request, cacheEntry);
|
||||
return cacheEntry;
|
||||
};
|
||||
|
||||
Resolver.prototype.normalize = require("memory-fs/lib/normalize");
|
||||
+273
@@ -0,0 +1,273 @@
|
||||
/*
|
||||
MIT License http://www.opensource.org/licenses/mit-license.php
|
||||
Author Tobias Koppers @sokra
|
||||
*/
|
||||
var Resolver = require("./Resolver");
|
||||
|
||||
var SyncAsyncFileSystemDecorator = require("./SyncAsyncFileSystemDecorator");
|
||||
|
||||
var ParsePlugin = require("./ParsePlugin");
|
||||
var DescriptionFilePlugin = require("./DescriptionFilePlugin");
|
||||
var NextPlugin = require("./NextPlugin");
|
||||
var TryNextPlugin = require("./TryNextPlugin");
|
||||
var ModuleKindPlugin = require("./ModuleKindPlugin");
|
||||
var FileKindPlugin = require("./FileKindPlugin");
|
||||
var JoinRequestPlugin = require("./JoinRequestPlugin");
|
||||
var ModulesInHierachicDirectoriesPlugin = require("./ModulesInHierachicDirectoriesPlugin");
|
||||
var ModulesInRootPlugin = require("./ModulesInRootPlugin");
|
||||
var AliasPlugin = require("./AliasPlugin");
|
||||
var AliasFieldPlugin = require("./AliasFieldPlugin");
|
||||
var ConcordExtensionsPlugin = require("./ConcordExtensionsPlugin");
|
||||
var ConcordMainPlugin = require("./ConcordMainPlugin");
|
||||
var ConcordModulesPlugin = require("./ConcordModulesPlugin");
|
||||
var DirectoryExistsPlugin = require("./DirectoryExistsPlugin");
|
||||
var FileExistsPlugin = require("./FileExistsPlugin");
|
||||
var SymlinkPlugin = require("./SymlinkPlugin");
|
||||
var MainFieldPlugin = require("./MainFieldPlugin");
|
||||
var UseFilePlugin = require("./UseFilePlugin");
|
||||
var AppendPlugin = require("./AppendPlugin");
|
||||
var ResultPlugin = require("./ResultPlugin");
|
||||
var ModuleAppendPlugin = require("./ModuleAppendPlugin");
|
||||
var UnsafeCachePlugin = require("./UnsafeCachePlugin");
|
||||
|
||||
exports.createResolver = function(options) {
|
||||
|
||||
//// OPTIONS ////
|
||||
|
||||
// A list of directories to resolve modules from, can be absolute path or folder name
|
||||
var modules = options.modules || ["node_modules"];
|
||||
|
||||
// A list of description files to read from
|
||||
var descriptionFiles = options.descriptionFiles || ["package.json"];
|
||||
|
||||
// A list of additional resolve plugins which should be applied
|
||||
// The slice is there to create a copy, because otherwise pushing into plugins
|
||||
// changes the original options.plugins array, causing duplicate plugins
|
||||
var plugins = (options.plugins && options.plugins.slice()) || [];
|
||||
|
||||
// A list of main fields in description files
|
||||
var mainFields = options.mainFields || ["main"];
|
||||
|
||||
// A list of alias fields in description files
|
||||
var aliasFields = options.aliasFields || [];
|
||||
|
||||
// A list of main files in directories
|
||||
var mainFiles = options.mainFiles || ["index"];
|
||||
|
||||
// A list of extensions which should be tried for files
|
||||
var extensions = options.extensions || [".js", ".json", ".node"];
|
||||
|
||||
// Enforce that a extension from extensions must be used
|
||||
var enforceExtension = options.enforceExtension || false;
|
||||
|
||||
// A list of module extensions which should be tried for modules
|
||||
var moduleExtensions = options.moduleExtensions || [];
|
||||
|
||||
// Enforce that a extension from moduleExtensions must be used
|
||||
var enforceModuleExtension = options.enforceModuleExtension || false;
|
||||
|
||||
// A list of module alias configurations or an object which maps key to value
|
||||
var alias = options.alias || [];
|
||||
|
||||
// Resolve symlinks to their symlinked location
|
||||
var symlinks = typeof options.symlinks !== "undefined" ? options.symlinks : true;
|
||||
|
||||
// Resolve to a context instead of a file
|
||||
var resolveToContext = options.resolveToContext || false;
|
||||
|
||||
// Use this cache object to unsafely cache the successful requests
|
||||
var unsafeCache = options.unsafeCache || false;
|
||||
|
||||
// Whether or not the unsafeCache should include request context as part of the cache key.
|
||||
var cacheWithContext = typeof options.cacheWithContext !== "undefined" ? options.cacheWithContext : true;
|
||||
|
||||
// A function which decides whether a request should be cached or not.
|
||||
// an object is passed with `path` and `request` properties.
|
||||
var cachePredicate = options.cachePredicate || function() {
|
||||
return true;
|
||||
};
|
||||
|
||||
// The file system which should be used
|
||||
var fileSystem = options.fileSystem;
|
||||
|
||||
// Use only the sync variants of the file system calls
|
||||
var useSyncFileSystemCalls = options.useSyncFileSystemCalls;
|
||||
|
||||
// A prepared Resolver to which the plugins are attached
|
||||
var resolver = options.resolver;
|
||||
|
||||
//// options processing ////
|
||||
|
||||
if(!resolver) {
|
||||
resolver = new Resolver(useSyncFileSystemCalls ? new SyncAsyncFileSystemDecorator(fileSystem) : fileSystem);
|
||||
}
|
||||
|
||||
extensions = [].concat(extensions);
|
||||
moduleExtensions = [].concat(moduleExtensions);
|
||||
|
||||
modules = mergeFilteredToArray([].concat(modules), function(item) {
|
||||
return !isAbsolutePath(item);
|
||||
});
|
||||
|
||||
mainFields = mainFields.map(function(item) {
|
||||
if(typeof item === "string") {
|
||||
item = {
|
||||
name: item,
|
||||
forceRelative: true
|
||||
};
|
||||
}
|
||||
return item;
|
||||
});
|
||||
|
||||
if(typeof alias === "object" && !Array.isArray(alias)) {
|
||||
alias = Object.keys(alias).map(function(key) {
|
||||
var onlyModule = false;
|
||||
var obj = alias[key];
|
||||
if(/\$$/.test(key)) {
|
||||
onlyModule = true;
|
||||
key = key.substr(0, key.length - 1);
|
||||
}
|
||||
if(typeof obj === "string") {
|
||||
obj = {
|
||||
alias: obj
|
||||
};
|
||||
}
|
||||
obj = Object.assign({
|
||||
name: key,
|
||||
onlyModule: onlyModule
|
||||
}, obj);
|
||||
return obj;
|
||||
});
|
||||
}
|
||||
|
||||
if(unsafeCache && typeof unsafeCache !== "object") {
|
||||
unsafeCache = {};
|
||||
}
|
||||
|
||||
//// pipeline ////
|
||||
|
||||
// resolve
|
||||
if(unsafeCache) {
|
||||
plugins.push(new UnsafeCachePlugin("resolve", cachePredicate, unsafeCache, cacheWithContext, "new-resolve"));
|
||||
plugins.push(new ParsePlugin("new-resolve", "parsed-resolve"));
|
||||
} else {
|
||||
plugins.push(new ParsePlugin("resolve", "parsed-resolve"));
|
||||
}
|
||||
|
||||
// parsed-resolve
|
||||
plugins.push(new DescriptionFilePlugin("parsed-resolve", descriptionFiles, "described-resolve"));
|
||||
plugins.push(new NextPlugin("after-parsed-resolve", "described-resolve"));
|
||||
|
||||
// described-resolve
|
||||
alias.forEach(function(item) {
|
||||
plugins.push(new AliasPlugin("described-resolve", item, "resolve"));
|
||||
});
|
||||
plugins.push(new ConcordModulesPlugin("described-resolve", {}, "resolve"));
|
||||
aliasFields.forEach(function(item) {
|
||||
plugins.push(new AliasFieldPlugin("described-resolve", item, "resolve"));
|
||||
});
|
||||
plugins.push(new ModuleKindPlugin("after-described-resolve", "raw-module"));
|
||||
plugins.push(new JoinRequestPlugin("after-described-resolve", "relative"));
|
||||
|
||||
// raw-module
|
||||
moduleExtensions.forEach(function(item) {
|
||||
plugins.push(new ModuleAppendPlugin("raw-module", item, "module"));
|
||||
});
|
||||
if(!enforceModuleExtension)
|
||||
plugins.push(new TryNextPlugin("raw-module", null, "module"));
|
||||
|
||||
// module
|
||||
modules.forEach(function(item) {
|
||||
if(Array.isArray(item))
|
||||
plugins.push(new ModulesInHierachicDirectoriesPlugin("module", item, "resolve"));
|
||||
else
|
||||
plugins.push(new ModulesInRootPlugin("module", item, "resolve"));
|
||||
});
|
||||
|
||||
// relative
|
||||
plugins.push(new DescriptionFilePlugin("relative", descriptionFiles, "described-relative"));
|
||||
plugins.push(new NextPlugin("after-relative", "described-relative"));
|
||||
|
||||
// described-relative
|
||||
plugins.push(new FileKindPlugin("described-relative", "raw-file"));
|
||||
plugins.push(new TryNextPlugin("described-relative", "as directory", "directory"));
|
||||
|
||||
// directory
|
||||
plugins.push(new DirectoryExistsPlugin("directory", "existing-directory"));
|
||||
|
||||
if(resolveToContext) {
|
||||
|
||||
// existing-directory
|
||||
plugins.push(new NextPlugin("existing-directory", "resolved"));
|
||||
|
||||
} else {
|
||||
|
||||
// existing-directory
|
||||
plugins.push(new ConcordMainPlugin("existing-directory", {}, "resolve"));
|
||||
mainFields.forEach(function(item) {
|
||||
plugins.push(new MainFieldPlugin("existing-directory", item, "resolve"));
|
||||
});
|
||||
mainFiles.forEach(function(item) {
|
||||
plugins.push(new UseFilePlugin("existing-directory", item, "undescribed-raw-file"));
|
||||
});
|
||||
|
||||
// undescribed-raw-file
|
||||
plugins.push(new DescriptionFilePlugin("undescribed-raw-file", descriptionFiles, "raw-file"));
|
||||
plugins.push(new NextPlugin("after-undescribed-raw-file", "raw-file"));
|
||||
|
||||
// raw-file
|
||||
if(!enforceExtension)
|
||||
plugins.push(new TryNextPlugin("raw-file", "no extension", "file"));
|
||||
plugins.push(new ConcordExtensionsPlugin("raw-file", {}, "file"));
|
||||
extensions.forEach(function(item) {
|
||||
plugins.push(new AppendPlugin("raw-file", item, "file"));
|
||||
});
|
||||
|
||||
// file
|
||||
alias.forEach(function(item) {
|
||||
plugins.push(new AliasPlugin("file", item, "resolve"));
|
||||
});
|
||||
plugins.push(new ConcordModulesPlugin("file", {}, "resolve"));
|
||||
aliasFields.forEach(function(item) {
|
||||
plugins.push(new AliasFieldPlugin("file", item, "resolve"));
|
||||
});
|
||||
if(symlinks)
|
||||
plugins.push(new SymlinkPlugin("file", "relative"));
|
||||
plugins.push(new FileExistsPlugin("file", "existing-file"));
|
||||
|
||||
// existing-file
|
||||
plugins.push(new NextPlugin("existing-file", "resolved"));
|
||||
|
||||
}
|
||||
|
||||
// resolved
|
||||
plugins.push(new ResultPlugin("resolved"));
|
||||
|
||||
//// RESOLVER ////
|
||||
|
||||
plugins.forEach(function(plugin) {
|
||||
resolver.apply(plugin);
|
||||
});
|
||||
return resolver;
|
||||
};
|
||||
|
||||
function mergeFilteredToArray(array, filter) {
|
||||
return array.reduce(function(array, item) {
|
||||
if(filter(item)) {
|
||||
var lastElement = array[array.length - 1];
|
||||
if(Array.isArray(lastElement)) {
|
||||
lastElement.push(item);
|
||||
} else {
|
||||
array.push([item]);
|
||||
}
|
||||
return array;
|
||||
} else {
|
||||
array.push(item);
|
||||
return array;
|
||||
}
|
||||
}, []);
|
||||
}
|
||||
|
||||
function isAbsolutePath(path) {
|
||||
return /^[A-Z]:|^\//.test(path);
|
||||
}
|
||||
+18
@@ -0,0 +1,18 @@
|
||||
/*
|
||||
MIT License http://www.opensource.org/licenses/mit-license.php
|
||||
Author Tobias Koppers @sokra
|
||||
*/
|
||||
function ResultPlugin(source) {
|
||||
this.source = source;
|
||||
}
|
||||
module.exports = ResultPlugin;
|
||||
|
||||
ResultPlugin.prototype.apply = function(resolver) {
|
||||
resolver.plugin(this.source, function(request, callback) {
|
||||
var obj = Object.assign({}, request);
|
||||
resolver.applyPluginsAsyncSeries1("result", obj, function(err) {
|
||||
if(err) return callback(err);
|
||||
callback(null, obj);
|
||||
});
|
||||
});
|
||||
};
|
||||
+47
@@ -0,0 +1,47 @@
|
||||
/*
|
||||
MIT License http://www.opensource.org/licenses/mit-license.php
|
||||
Author Tobias Koppers @sokra
|
||||
*/
|
||||
var getPaths = require("./getPaths");
|
||||
var forEachBail = require("./forEachBail");
|
||||
|
||||
function SymlinkPlugin(source, target) {
|
||||
this.source = source;
|
||||
this.target = target;
|
||||
}
|
||||
module.exports = SymlinkPlugin;
|
||||
|
||||
SymlinkPlugin.prototype.apply = function(resolver) {
|
||||
var target = this.target;
|
||||
resolver.plugin(this.source, function(request, callback) {
|
||||
var _this = this;
|
||||
var fs = _this.fileSystem;
|
||||
var pathsResult = getPaths(request.path);
|
||||
var pathSeqments = pathsResult.seqments;
|
||||
var paths = pathsResult.paths;
|
||||
|
||||
var containsSymlink = false;
|
||||
forEachBail.withIndex(paths, function(path, idx, callback) {
|
||||
fs.readlink(path, function(err, result) {
|
||||
if(!err && result) {
|
||||
pathSeqments[idx] = result;
|
||||
containsSymlink = true;
|
||||
// Shortcut when absolute symlink found
|
||||
if(/^(\/|[a-zA-z]:($|\\))/.test(result))
|
||||
return callback(null, idx);
|
||||
}
|
||||
callback();
|
||||
});
|
||||
}, function(err, idx) {
|
||||
if(!containsSymlink) return callback();
|
||||
var resultSeqments = typeof idx === "number" ? pathSeqments.slice(0, idx + 1) : pathSeqments.slice();
|
||||
var result = resultSeqments.reverse().reduce(function(a, b) {
|
||||
return _this.join(a, b);
|
||||
});
|
||||
var obj = Object.assign({}, request, {
|
||||
path: result
|
||||
});
|
||||
resolver.doResolve(target, obj, "resolved symlink to " + result, callback);
|
||||
});
|
||||
});
|
||||
};
|
||||
+58
@@ -0,0 +1,58 @@
|
||||
/*
|
||||
MIT License http://www.opensource.org/licenses/mit-license.php
|
||||
Author Tobias Koppers @sokra
|
||||
*/
|
||||
function SyncAsyncFileSystemDecorator(fs) {
|
||||
this.fs = fs;
|
||||
if(fs.statSync) {
|
||||
this.stat = function(arg, callback) {
|
||||
try {
|
||||
var result = fs.statSync(arg);
|
||||
} catch(e) {
|
||||
return callback(e);
|
||||
}
|
||||
callback(null, result);
|
||||
};
|
||||
}
|
||||
if(fs.readdirSync) {
|
||||
this.readdir = function(arg, callback) {
|
||||
try {
|
||||
var result = fs.readdirSync(arg);
|
||||
} catch(e) {
|
||||
return callback(e);
|
||||
}
|
||||
callback(null, result);
|
||||
};
|
||||
}
|
||||
if(fs.readFileSync) {
|
||||
this.readFile = function(arg, callback) {
|
||||
try {
|
||||
var result = fs.readFileSync(arg);
|
||||
} catch(e) {
|
||||
return callback(e);
|
||||
}
|
||||
callback(null, result);
|
||||
};
|
||||
}
|
||||
if(fs.readlinkSync) {
|
||||
this.readlink = function(arg, callback) {
|
||||
try {
|
||||
var result = fs.readlinkSync(arg);
|
||||
} catch(e) {
|
||||
return callback(e);
|
||||
}
|
||||
callback(null, result);
|
||||
};
|
||||
}
|
||||
if(fs.readJsonSync) {
|
||||
this.readJson = function(arg, callback) {
|
||||
try {
|
||||
var result = fs.readJsonSync(arg);
|
||||
} catch(e) {
|
||||
return callback(e);
|
||||
}
|
||||
callback(null, result);
|
||||
};
|
||||
}
|
||||
}
|
||||
module.exports = SyncAsyncFileSystemDecorator;
|
||||
+18
@@ -0,0 +1,18 @@
|
||||
/*
|
||||
MIT License http://www.opensource.org/licenses/mit-license.php
|
||||
Author Tobias Koppers @sokra
|
||||
*/
|
||||
function TryNextPlugin(source, message, target) {
|
||||
this.source = source;
|
||||
this.message = message;
|
||||
this.target = target;
|
||||
}
|
||||
module.exports = TryNextPlugin;
|
||||
|
||||
TryNextPlugin.prototype.apply = function(resolver) {
|
||||
var target = this.target;
|
||||
var message = this.message;
|
||||
resolver.plugin(this.source, function(request, callback) {
|
||||
resolver.doResolve(target, request, message, callback);
|
||||
});
|
||||
};
|
||||
+43
@@ -0,0 +1,43 @@
|
||||
/*
|
||||
MIT License http://www.opensource.org/licenses/mit-license.php
|
||||
Author Tobias Koppers @sokra
|
||||
*/
|
||||
var createInnerCallback = require("./createInnerCallback");
|
||||
|
||||
function UnsafeCachePlugin(source, filterPredicate, cache, withContext, target) {
|
||||
this.source = source;
|
||||
this.filterPredicate = filterPredicate;
|
||||
this.withContext = withContext;
|
||||
this.cache = cache || {};
|
||||
this.target = target;
|
||||
}
|
||||
module.exports = UnsafeCachePlugin;
|
||||
|
||||
function getCacheId(request, withContext) {
|
||||
return JSON.stringify({
|
||||
context: withContext ? request.context : "",
|
||||
path: request.path,
|
||||
query: request.query,
|
||||
request: request.request
|
||||
});
|
||||
}
|
||||
|
||||
UnsafeCachePlugin.prototype.apply = function(resolver) {
|
||||
var filterPredicate = this.filterPredicate;
|
||||
var cache = this.cache;
|
||||
var target = this.target;
|
||||
var withContext = this.withContext;
|
||||
resolver.plugin(this.source, function(request, callback) {
|
||||
if(!filterPredicate(request)) return callback();
|
||||
var cacheId = getCacheId(request, withContext);
|
||||
var cacheEntry = cache[cacheId];
|
||||
if(cacheEntry) {
|
||||
return callback(null, cacheEntry);
|
||||
}
|
||||
resolver.doResolve(target, request, null, createInnerCallback(function(err, result) {
|
||||
if(err) return callback(err);
|
||||
if(result) return callback(null, cache[cacheId] = result);
|
||||
callback();
|
||||
}, callback));
|
||||
});
|
||||
};
|
||||
+23
@@ -0,0 +1,23 @@
|
||||
/*
|
||||
MIT License http://www.opensource.org/licenses/mit-license.php
|
||||
Author Tobias Koppers @sokra
|
||||
*/
|
||||
function UseFilePlugin(source, filename, target) {
|
||||
this.source = source;
|
||||
this.filename = filename;
|
||||
this.target = target;
|
||||
}
|
||||
module.exports = UseFilePlugin;
|
||||
|
||||
UseFilePlugin.prototype.apply = function(resolver) {
|
||||
var filename = this.filename;
|
||||
var target = this.target;
|
||||
resolver.plugin(this.source, function(request, callback) {
|
||||
var filePath = resolver.join(request.path, filename);
|
||||
var obj = Object.assign({}, request, {
|
||||
path: filePath,
|
||||
relativePath: request.relativePath && resolver.join(request.relativePath, filename)
|
||||
});
|
||||
resolver.doResolve(target, obj, "using path: " + filePath, callback);
|
||||
});
|
||||
};
|
||||
+189
@@ -0,0 +1,189 @@
|
||||
/*
|
||||
MIT License http://www.opensource.org/licenses/mit-license.php
|
||||
Author Tobias Koppers @sokra
|
||||
*/
|
||||
var globToRegExp = require("./globToRegExp").globToRegExp;
|
||||
|
||||
function parseType(type) {
|
||||
var items = type.split("+");
|
||||
var t = items.shift();
|
||||
return {
|
||||
type: t === "*" ? null : t,
|
||||
features: items
|
||||
};
|
||||
}
|
||||
|
||||
function isTypeMatched(baseType, testedType) {
|
||||
if(typeof baseType === "string") baseType = parseType(baseType);
|
||||
if(typeof testedType === "string") testedType = parseType(testedType);
|
||||
if(testedType.type && testedType.type !== baseType.type) return false;
|
||||
return testedType.features.every(function(requiredFeature) {
|
||||
return baseType.features.indexOf(requiredFeature) >= 0;
|
||||
});
|
||||
}
|
||||
|
||||
function isResourceTypeMatched(baseType, testedType) {
|
||||
baseType = baseType.split("/");
|
||||
testedType = testedType.split("/");
|
||||
if(baseType.length !== testedType.length) return false;
|
||||
for(var i = 0; i < baseType.length; i++) {
|
||||
if(!isTypeMatched(baseType[i], testedType[i]))
|
||||
return false;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
function isResourceTypeSupported(context, type) {
|
||||
return context.supportedResourceTypes && context.supportedResourceTypes.some(function(supportedType) {
|
||||
return isResourceTypeMatched(supportedType, type);
|
||||
});
|
||||
}
|
||||
|
||||
function isEnvironment(context, env) {
|
||||
return context.environments && context.environments.every(function(environment) {
|
||||
return isTypeMatched(environment, env);
|
||||
});
|
||||
}
|
||||
|
||||
var globCache = {};
|
||||
|
||||
function getGlobRegExp(glob) {
|
||||
var regExp = globCache[glob] || (globCache[glob] = globToRegExp(glob));
|
||||
return regExp;
|
||||
}
|
||||
|
||||
function matchGlob(glob, relativePath) {
|
||||
var regExp = getGlobRegExp(glob);
|
||||
return regExp.exec(relativePath);
|
||||
}
|
||||
|
||||
function isGlobMatched(glob, relativePath) {
|
||||
return !!matchGlob(glob, relativePath);
|
||||
}
|
||||
|
||||
function isConditionMatched(context, condition) {
|
||||
var items = condition.split("|");
|
||||
return items.some(function testFn(item) {
|
||||
item = item.trim();
|
||||
var inverted = /^!/.test(item);
|
||||
if(inverted) return !testFn(item.substr(1));
|
||||
if(/^[a-z]+:/.test(item)) {
|
||||
// match named condition
|
||||
var match = /^([a-z]+):\s*/.exec(item);
|
||||
var value = item.substr(match[0].length);
|
||||
var name = match[1];
|
||||
switch(name) {
|
||||
case "referrer":
|
||||
return isGlobMatched(value, context.referrer);
|
||||
default:
|
||||
return false;
|
||||
}
|
||||
} else if(item.indexOf("/") >= 0) {
|
||||
// match supported type
|
||||
return isResourceTypeSupported(context, item);
|
||||
} else {
|
||||
// match environment
|
||||
return isEnvironment(context, item);
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
function isKeyMatched(context, key) {
|
||||
while(true) { //eslint-disable-line
|
||||
var match = /^\[([^\]]+)\]\s*/.exec(key);
|
||||
if(!match) return key;
|
||||
key = key.substr(match[0].length);
|
||||
var condition = match[1];
|
||||
if(!isConditionMatched(context, condition)) {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
function getField(context, configuration, field) {
|
||||
var value;
|
||||
Object.keys(configuration).forEach(function(key) {
|
||||
var pureKey = isKeyMatched(context, key);
|
||||
if(pureKey === field) {
|
||||
value = configuration[key];
|
||||
}
|
||||
});
|
||||
return value;
|
||||
}
|
||||
|
||||
function getMain(context, configuration) {
|
||||
return getField(context, configuration, "main");
|
||||
}
|
||||
|
||||
function getExtensions(context, configuration) {
|
||||
return getField(context, configuration, "extensions");
|
||||
}
|
||||
|
||||
function matchModule(context, configuration, request) {
|
||||
var modulesField = getField(context, configuration, "modules");
|
||||
if(!modulesField) return request;
|
||||
var newRequest = request;
|
||||
var keys = Object.keys(modulesField);
|
||||
var iteration = 0;
|
||||
for(var i = 0; i < keys.length; i++) {
|
||||
var key = keys[i];
|
||||
var pureKey = isKeyMatched(context, key);
|
||||
var match = matchGlob(pureKey, newRequest);
|
||||
if(match) {
|
||||
var value = modulesField[key];
|
||||
if(typeof value !== "string") {
|
||||
return value;
|
||||
} else if(/^\(.+\)$/.test(pureKey)) {
|
||||
newRequest = newRequest.replace(getGlobRegExp(pureKey), value);
|
||||
} else {
|
||||
var index = 1;
|
||||
newRequest = value.replace(/(\/?\*)?\*/g, replaceMatcher);
|
||||
}
|
||||
i = -1;
|
||||
if(iteration++ > keys.length) {
|
||||
throw new Error("Request '" + request + "' matches recursively");
|
||||
}
|
||||
}
|
||||
}
|
||||
return newRequest;
|
||||
|
||||
function replaceMatcher(find) {
|
||||
switch(find) {
|
||||
case "/**":
|
||||
var m = match[index++];
|
||||
return m ? "/" + m : "";
|
||||
case "**":
|
||||
case "*":
|
||||
return match[index++];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
function matchType(context, configuration, relativePath) {
|
||||
var typesField = getField(context, configuration, "types");
|
||||
if(!typesField) return undefined;
|
||||
var type;
|
||||
Object.keys(typesField).forEach(function(key) {
|
||||
var pureKey = isKeyMatched(context, key);
|
||||
if(isGlobMatched(pureKey, relativePath)) {
|
||||
var value = typesField[key];
|
||||
if(!type && /\/\*$/.test(value))
|
||||
throw new Error("value ('" + value + "') of key '" + key + "' contains '*', but there is no previous value defined");
|
||||
type = value.replace(/\/\*$/, "/" + type);
|
||||
}
|
||||
});
|
||||
return type;
|
||||
}
|
||||
|
||||
exports.parseType = parseType;
|
||||
exports.isTypeMatched = isTypeMatched;
|
||||
exports.isResourceTypeSupported = isResourceTypeSupported;
|
||||
exports.isEnvironment = isEnvironment;
|
||||
exports.isGlobMatched = isGlobMatched;
|
||||
exports.isConditionMatched = isConditionMatched;
|
||||
exports.isKeyMatched = isKeyMatched;
|
||||
exports.getField = getField;
|
||||
exports.getMain = getMain;
|
||||
exports.getExtensions = getExtensions;
|
||||
exports.matchModule = matchModule;
|
||||
exports.matchType = matchType;
|
||||
+41
@@ -0,0 +1,41 @@
|
||||
/*
|
||||
MIT License http://www.opensource.org/licenses/mit-license.php
|
||||
Author Tobias Koppers @sokra
|
||||
*/
|
||||
module.exports = function createInnerCallback(callback, options, message, messageOptional) {
|
||||
var log = options.log;
|
||||
if(!log) {
|
||||
if(options.stack !== callback.stack) {
|
||||
var callbackWrapper = function callbackWrapper() {
|
||||
return callback.apply(this, arguments);
|
||||
};
|
||||
callbackWrapper.stack = options.stack;
|
||||
callbackWrapper.missing = options.missing;
|
||||
return callbackWrapper;
|
||||
}
|
||||
return callback;
|
||||
}
|
||||
|
||||
function loggingCallbackWrapper() {
|
||||
var i;
|
||||
if(message) {
|
||||
if(!messageOptional || theLog.length > 0) {
|
||||
log(message);
|
||||
for(i = 0; i < theLog.length; i++)
|
||||
log(" " + theLog[i]);
|
||||
}
|
||||
} else {
|
||||
for(i = 0; i < theLog.length; i++)
|
||||
log(theLog[i]);
|
||||
}
|
||||
return callback.apply(this, arguments);
|
||||
|
||||
}
|
||||
var theLog = [];
|
||||
loggingCallbackWrapper.log = function writeLog(msg) {
|
||||
theLog.push(msg);
|
||||
};
|
||||
loggingCallbackWrapper.stack = options.stack;
|
||||
loggingCallbackWrapper.missing = options.missing;
|
||||
return loggingCallbackWrapper;
|
||||
};
|
||||
+65
@@ -0,0 +1,65 @@
|
||||
/*
|
||||
MIT License http://www.opensource.org/licenses/mit-license.php
|
||||
Author Tobias Koppers @sokra
|
||||
*/
|
||||
module.exports = function forEachBail(array, iterator, callback) {
|
||||
if(array.length === 0) return callback();
|
||||
var currentPos = array.length;
|
||||
var currentResult;
|
||||
var done = [];
|
||||
for(var i = 0; i < array.length; i++) {
|
||||
var itCb = createIteratorCallback(i);
|
||||
iterator(array[i], itCb);
|
||||
if(currentPos === 0) break;
|
||||
}
|
||||
|
||||
function createIteratorCallback(i) {
|
||||
return function() {
|
||||
if(i >= currentPos) return; // ignore
|
||||
var args = Array.prototype.slice.call(arguments);
|
||||
done.push(i);
|
||||
if(args.length > 0) {
|
||||
currentPos = i + 1;
|
||||
done = done.filter(function(item) {
|
||||
return item <= i;
|
||||
});
|
||||
currentResult = args;
|
||||
}
|
||||
if(done.length === currentPos) {
|
||||
callback.apply(null, currentResult);
|
||||
currentPos = 0;
|
||||
}
|
||||
};
|
||||
}
|
||||
};
|
||||
|
||||
module.exports.withIndex = function forEachBailWithIndex(array, iterator, callback) {
|
||||
if(array.length === 0) return callback();
|
||||
var currentPos = array.length;
|
||||
var currentResult;
|
||||
var done = [];
|
||||
for(var i = 0; i < array.length; i++) {
|
||||
var itCb = createIteratorCallback(i);
|
||||
iterator(array[i], i, itCb);
|
||||
if(currentPos === 0) break;
|
||||
}
|
||||
|
||||
function createIteratorCallback(i) {
|
||||
return function() {
|
||||
if(i >= currentPos) return; // ignore
|
||||
var args = Array.prototype.slice.call(arguments);
|
||||
done.push(i);
|
||||
if(args.length > 0) {
|
||||
currentPos = i + 1;
|
||||
done = done.filter(function(item) {
|
||||
return item <= i;
|
||||
});
|
||||
currentResult = args;
|
||||
}
|
||||
if(done.length === currentPos) {
|
||||
callback.apply(null, currentResult);
|
||||
currentPos = 0;
|
||||
}
|
||||
};
|
||||
}
|
||||
};
|
||||
+22
@@ -0,0 +1,22 @@
|
||||
/*
|
||||
MIT License http://www.opensource.org/licenses/mit-license.php
|
||||
Author Tobias Koppers @sokra
|
||||
*/
|
||||
module.exports = function getInnerRequest(resolver, request) {
|
||||
if(typeof request.__innerRequest === "string" &&
|
||||
request.__innerRequest_request === request.request &&
|
||||
request.__innerRequest_relativePath === request.relativePath)
|
||||
return request.__innerRequest;
|
||||
var innerRequest;
|
||||
if(request.request) {
|
||||
innerRequest = request.request;
|
||||
if(/^\.\.?\//.test(innerRequest) && request.relativePath) {
|
||||
innerRequest = resolver.join(request.relativePath, innerRequest);
|
||||
}
|
||||
} else {
|
||||
innerRequest = request.relativePath;
|
||||
}
|
||||
request.__innerRequest_request = request.request;
|
||||
request.__innerRequest_relativePath = request.relativePath;
|
||||
return request.__innerRequest = innerRequest;
|
||||
};
|
||||
+33
@@ -0,0 +1,33 @@
|
||||
/*
|
||||
MIT License http://www.opensource.org/licenses/mit-license.php
|
||||
Author Tobias Koppers @sokra
|
||||
*/
|
||||
module.exports = function getPaths(path) {
|
||||
var parts = path.split(/(.*?[\\\/]+)/);
|
||||
var paths = [path];
|
||||
var seqments = [parts[parts.length - 1]];
|
||||
var part = parts[parts.length - 1];
|
||||
path = path.substr(0, path.length - part.length - 1);
|
||||
paths.push(path);
|
||||
for(var i = parts.length - 2; i > 2; i -= 2) {
|
||||
part = parts[i];
|
||||
path = path.substr(0, path.length - part.length) || "/";
|
||||
paths.push(path);
|
||||
seqments.push(part.substr(0, part.length - 1));
|
||||
}
|
||||
part = parts[1];
|
||||
seqments.push(part.length > 1 ? part.substr(0, part.length - 1) : part);
|
||||
return {
|
||||
paths: paths,
|
||||
seqments: seqments
|
||||
};
|
||||
};
|
||||
|
||||
module.exports.basename = function basename(path) {
|
||||
var i = path.lastIndexOf("/"),
|
||||
j = path.lastIndexOf("\\");
|
||||
var p = i < 0 ? j : j < 0 ? i : i < j ? j : i;
|
||||
if(p < 0) return null;
|
||||
var s = path.substr(p + 1);
|
||||
return s;
|
||||
};
|
||||
+188
@@ -0,0 +1,188 @@
|
||||
/*
|
||||
MIT License http://www.opensource.org/licenses/mit-license.php
|
||||
Author Tobias Koppers @sokra
|
||||
*/
|
||||
function globToRegExp(glob) {
|
||||
// * [^\\\/]*
|
||||
// /**/ /.+/
|
||||
// ^* \./.+ (concord special)
|
||||
// ? [^\\\/]
|
||||
// [!...] [^...]
|
||||
// [^...] [^...]
|
||||
// / [\\\/]
|
||||
// {...,...} (...|...)
|
||||
// ?(...|...) (...|...)?
|
||||
// +(...|...) (...|...)+
|
||||
// *(...|...) (...|...)*
|
||||
// @(...|...) (...|...)
|
||||
if(/^\(.+\)$/.test(glob)) {
|
||||
// allow to pass an RegExp in brackets
|
||||
return new RegExp(glob.substr(1, glob.length - 2));
|
||||
}
|
||||
var tokens = tokenize(glob);
|
||||
var process = createRoot();
|
||||
var regExpStr = tokens.map(process).join("");
|
||||
return new RegExp("^" + regExpStr + "$");
|
||||
}
|
||||
|
||||
var SIMPLE_TOKENS = {
|
||||
"@(": "one",
|
||||
"?(": "zero-one",
|
||||
"+(": "one-many",
|
||||
"*(": "zero-many",
|
||||
"|": "segment-sep",
|
||||
"/**/": "any-path-segments",
|
||||
"**": "any-path",
|
||||
"*": "any-path-segment",
|
||||
"?": "any-char",
|
||||
"{": "or",
|
||||
"/": "path-sep",
|
||||
",": "comma",
|
||||
")": "closing-segment",
|
||||
"}": "closing-or"
|
||||
};
|
||||
|
||||
function tokenize(glob) {
|
||||
return glob.split(/([@?+*]\(|\/\*\*\/|\*\*|[?*]|\[[\!\^]?(?:[^\]\\]|\\.)+\]|\{|,|\/|[|)}])/g).map(function(item) {
|
||||
if(!item)
|
||||
return null;
|
||||
var t = SIMPLE_TOKENS[item];
|
||||
if(t) {
|
||||
return {
|
||||
type: t
|
||||
};
|
||||
}
|
||||
if(item[0] === "[") {
|
||||
if(item[1] === "^" || item[1] === "!") {
|
||||
return {
|
||||
type: "inverted-char-set",
|
||||
value: item.substr(2, item.length - 3)
|
||||
};
|
||||
} else {
|
||||
return {
|
||||
type: "char-set",
|
||||
value: item.substr(1, item.length - 2)
|
||||
};
|
||||
}
|
||||
}
|
||||
return {
|
||||
type: "string",
|
||||
value: item
|
||||
};
|
||||
}).filter(Boolean).concat({
|
||||
type: "end"
|
||||
});
|
||||
}
|
||||
|
||||
function createRoot() {
|
||||
var inOr = [];
|
||||
var process = createSeqment();
|
||||
var initial = true;
|
||||
return function(token) {
|
||||
switch(token.type) {
|
||||
case "or":
|
||||
inOr.push(initial);
|
||||
return "(";
|
||||
case "comma":
|
||||
if(inOr.length) {
|
||||
initial = inOr[inOr.length - 1];
|
||||
return "|";
|
||||
} else {
|
||||
return process({
|
||||
type: "string",
|
||||
value: ","
|
||||
}, initial);
|
||||
}
|
||||
case "closing-or":
|
||||
if(inOr.length === 0)
|
||||
throw new Error("Unmatched '}'");
|
||||
inOr.pop();
|
||||
return ")";
|
||||
case "end":
|
||||
if(inOr.length)
|
||||
throw new Error("Unmatched '{'");
|
||||
return process(token, initial);
|
||||
default:
|
||||
var result = process(token, initial);
|
||||
initial = false;
|
||||
return result;
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
function createSeqment() {
|
||||
var inSeqment = [];
|
||||
var process = createSimple();
|
||||
return function(token, initial) {
|
||||
switch(token.type) {
|
||||
case "one":
|
||||
case "one-many":
|
||||
case "zero-many":
|
||||
case "zero-one":
|
||||
inSeqment.push(token.type);
|
||||
return "(";
|
||||
case "segment-sep":
|
||||
if(inSeqment.length) {
|
||||
return "|";
|
||||
} else {
|
||||
return process({
|
||||
type: "string",
|
||||
value: "|"
|
||||
}, initial);
|
||||
}
|
||||
case "closing-segment":
|
||||
var segment = inSeqment.pop();
|
||||
switch(segment) {
|
||||
case "one":
|
||||
return ")";
|
||||
case "one-many":
|
||||
return ")+";
|
||||
case "zero-many":
|
||||
return ")*";
|
||||
case "zero-one":
|
||||
return ")?";
|
||||
}
|
||||
throw new Error("Unexcepted segment " + segment);
|
||||
case "end":
|
||||
if(inSeqment.length > 0) {
|
||||
throw new Error("Unmatched segment, missing ')'");
|
||||
}
|
||||
return process(token, initial);
|
||||
default:
|
||||
return process(token, initial);
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
function createSimple() {
|
||||
return function(token, initial) {
|
||||
switch(token.type) {
|
||||
case "path-sep":
|
||||
return "[\\\\/]+";
|
||||
case "any-path-segments":
|
||||
return "[\\\\/]+(?:(.+)[\\\\/]+)?";
|
||||
case "any-path":
|
||||
return "(.*)";
|
||||
case "any-path-segment":
|
||||
if(initial) {
|
||||
return "\\.[\\\\/]+(?:.*[\\\\/]+)?([^\\\\/]+)";
|
||||
} else {
|
||||
return "([^\\\\/]*)";
|
||||
}
|
||||
case "any-char":
|
||||
return "[^\\\\/]";
|
||||
case "inverted-char-set":
|
||||
return "[^" + token.value + "]";
|
||||
case "char-set":
|
||||
return "[" + token.value + "]";
|
||||
case "string":
|
||||
return token.value.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&");
|
||||
case "end":
|
||||
return "";
|
||||
default:
|
||||
throw new Error("Unsupported token '" + token.type + "'");
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
exports.globToRegExp = globToRegExp;
|
||||
+144
@@ -0,0 +1,144 @@
|
||||
/*
|
||||
MIT License http://www.opensource.org/licenses/mit-license.php
|
||||
Author Tobias Koppers @sokra
|
||||
*/
|
||||
var ResolverFactory = require("./ResolverFactory");
|
||||
|
||||
var NodeJsInputFileSystem = require("./NodeJsInputFileSystem");
|
||||
var CachedInputFileSystem = require("./CachedInputFileSystem");
|
||||
|
||||
var nodeFileSystem = new CachedInputFileSystem(new NodeJsInputFileSystem(), 4000);
|
||||
|
||||
var nodeContext = {
|
||||
environments: [
|
||||
"node+es3+es5+process+native"
|
||||
]
|
||||
};
|
||||
|
||||
var asyncResolver = ResolverFactory.createResolver({
|
||||
extensions: [".js", ".json", ".node"],
|
||||
fileSystem: nodeFileSystem
|
||||
});
|
||||
module.exports = function resolve(context, path, request, callback) {
|
||||
if(typeof context === "string") {
|
||||
callback = request;
|
||||
request = path;
|
||||
path = context;
|
||||
context = nodeContext;
|
||||
}
|
||||
asyncResolver.resolve(context, path, request, callback);
|
||||
};
|
||||
|
||||
var syncResolver = ResolverFactory.createResolver({
|
||||
extensions: [".js", ".json", ".node"],
|
||||
useSyncFileSystemCalls: true,
|
||||
fileSystem: nodeFileSystem
|
||||
});
|
||||
module.exports.sync = function resolveSync(context, path, request) {
|
||||
if(typeof context === "string") {
|
||||
request = path;
|
||||
path = context;
|
||||
context = nodeContext;
|
||||
}
|
||||
return syncResolver.resolveSync(context, path, request);
|
||||
};
|
||||
|
||||
var asyncContextResolver = ResolverFactory.createResolver({
|
||||
extensions: [".js", ".json", ".node"],
|
||||
resolveToContext: true,
|
||||
fileSystem: nodeFileSystem
|
||||
});
|
||||
module.exports.context = function resolveContext(context, path, request, callback) {
|
||||
if(typeof context === "string") {
|
||||
callback = request;
|
||||
request = path;
|
||||
path = context;
|
||||
context = nodeContext;
|
||||
}
|
||||
asyncContextResolver.resolve(context, path, request, callback);
|
||||
};
|
||||
|
||||
var syncContextResolver = ResolverFactory.createResolver({
|
||||
extensions: [".js", ".json", ".node"],
|
||||
resolveToContext: true,
|
||||
useSyncFileSystemCalls: true,
|
||||
fileSystem: nodeFileSystem
|
||||
});
|
||||
module.exports.context.sync = function resolveContextSync(context, path, request) {
|
||||
if(typeof context === "string") {
|
||||
request = path;
|
||||
path = context;
|
||||
context = nodeContext;
|
||||
}
|
||||
return syncContextResolver.resolveSync(context, path, request);
|
||||
};
|
||||
|
||||
var asyncLoaderResolver = ResolverFactory.createResolver({
|
||||
extensions: [".js", ".json", ".node"],
|
||||
moduleExtensions: ["-loader"],
|
||||
mainFields: ["loader", "main"],
|
||||
fileSystem: nodeFileSystem
|
||||
});
|
||||
module.exports.loader = function resolveLoader(context, path, request, callback) {
|
||||
if(typeof context === "string") {
|
||||
callback = request;
|
||||
request = path;
|
||||
path = context;
|
||||
context = nodeContext;
|
||||
}
|
||||
asyncLoaderResolver.resolve(context, path, request, callback);
|
||||
};
|
||||
|
||||
var syncLoaderResolver = ResolverFactory.createResolver({
|
||||
extensions: [".js", ".json", ".node"],
|
||||
moduleExtensions: ["-loader"],
|
||||
mainFields: ["loader", "main"],
|
||||
useSyncFileSystemCalls: true,
|
||||
fileSystem: nodeFileSystem
|
||||
});
|
||||
module.exports.loader.sync = function resolveLoaderSync(context, path, request) {
|
||||
if(typeof context === "string") {
|
||||
request = path;
|
||||
path = context;
|
||||
context = nodeContext;
|
||||
}
|
||||
return syncLoaderResolver.resolveSync(context, path, request);
|
||||
};
|
||||
|
||||
module.exports.create = function create(options) {
|
||||
options = Object.assign({
|
||||
fileSystem: nodeFileSystem
|
||||
}, options);
|
||||
var resolver = ResolverFactory.createResolver(options);
|
||||
return function(context, path, request, callback) {
|
||||
if(typeof context === "string") {
|
||||
callback = request;
|
||||
request = path;
|
||||
path = context;
|
||||
context = nodeContext;
|
||||
}
|
||||
resolver.resolve(context, path, request, callback);
|
||||
};
|
||||
};
|
||||
|
||||
module.exports.create.sync = function createSync(options) {
|
||||
options = Object.assign({
|
||||
useSyncFileSystemCalls: true,
|
||||
fileSystem: nodeFileSystem
|
||||
}, options);
|
||||
var resolver = ResolverFactory.createResolver(options);
|
||||
return function(context, path, request) {
|
||||
if(typeof context === "string") {
|
||||
request = path;
|
||||
path = context;
|
||||
context = nodeContext;
|
||||
}
|
||||
return resolver.resolveSync(context, path, request);
|
||||
};
|
||||
};
|
||||
|
||||
// Export Resolver, FileSystems and Plugins
|
||||
module.exports.ResolverFactory = ResolverFactory;
|
||||
|
||||
module.exports.NodeJsInputFileSystem = NodeJsInputFileSystem;
|
||||
module.exports.CachedInputFileSystem = CachedInputFileSystem;
|
||||
+15
@@ -0,0 +1,15 @@
|
||||
The ISC License
|
||||
|
||||
Copyright (c) 2011-2022 Isaac Z. Schlueter, Ben Noordhuis, and Contributors
|
||||
|
||||
Permission to use, copy, modify, and/or distribute this software for any
|
||||
purpose with or without fee is hereby granted, provided that the above
|
||||
copyright notice and this permission notice appear in all copies.
|
||||
|
||||
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
||||
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
||||
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
||||
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
||||
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
||||
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
|
||||
IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
||||
+143
@@ -0,0 +1,143 @@
|
||||
# graceful-fs
|
||||
|
||||
graceful-fs functions as a drop-in replacement for the fs module,
|
||||
making various improvements.
|
||||
|
||||
The improvements are meant to normalize behavior across different
|
||||
platforms and environments, and to make filesystem access more
|
||||
resilient to errors.
|
||||
|
||||
## Improvements over [fs module](https://nodejs.org/api/fs.html)
|
||||
|
||||
* Queues up `open` and `readdir` calls, and retries them once
|
||||
something closes if there is an EMFILE error from too many file
|
||||
descriptors.
|
||||
* fixes `lchmod` for Node versions prior to 0.6.2.
|
||||
* implements `fs.lutimes` if possible. Otherwise it becomes a noop.
|
||||
* ignores `EINVAL` and `EPERM` errors in `chown`, `fchown` or
|
||||
`lchown` if the user isn't root.
|
||||
* makes `lchmod` and `lchown` become noops, if not available.
|
||||
* retries reading a file if `read` results in EAGAIN error.
|
||||
|
||||
On Windows, it retries renaming a file for up to one second if `EACCESS`
|
||||
or `EPERM` error occurs, likely because antivirus software has locked
|
||||
the directory.
|
||||
|
||||
## USAGE
|
||||
|
||||
```javascript
|
||||
// use just like fs
|
||||
var fs = require('graceful-fs')
|
||||
|
||||
// now go and do stuff with it...
|
||||
fs.readFile('some-file-or-whatever', (err, data) => {
|
||||
// Do stuff here.
|
||||
})
|
||||
```
|
||||
|
||||
## Sync methods
|
||||
|
||||
This module cannot intercept or handle `EMFILE` or `ENFILE` errors from sync
|
||||
methods. If you use sync methods which open file descriptors then you are
|
||||
responsible for dealing with any errors.
|
||||
|
||||
This is a known limitation, not a bug.
|
||||
|
||||
## Global Patching
|
||||
|
||||
If you want to patch the global fs module (or any other fs-like
|
||||
module) you can do this:
|
||||
|
||||
```javascript
|
||||
// Make sure to read the caveat below.
|
||||
var realFs = require('fs')
|
||||
var gracefulFs = require('graceful-fs')
|
||||
gracefulFs.gracefulify(realFs)
|
||||
```
|
||||
|
||||
This should only ever be done at the top-level application layer, in
|
||||
order to delay on EMFILE errors from any fs-using dependencies. You
|
||||
should **not** do this in a library, because it can cause unexpected
|
||||
delays in other parts of the program.
|
||||
|
||||
## Changes
|
||||
|
||||
This module is fairly stable at this point, and used by a lot of
|
||||
things. That being said, because it implements a subtle behavior
|
||||
change in a core part of the node API, even modest changes can be
|
||||
extremely breaking, and the versioning is thus biased towards
|
||||
bumping the major when in doubt.
|
||||
|
||||
The main change between major versions has been switching between
|
||||
providing a fully-patched `fs` module vs monkey-patching the node core
|
||||
builtin, and the approach by which a non-monkey-patched `fs` was
|
||||
created.
|
||||
|
||||
The goal is to trade `EMFILE` errors for slower fs operations. So, if
|
||||
you try to open a zillion files, rather than crashing, `open`
|
||||
operations will be queued up and wait for something else to `close`.
|
||||
|
||||
There are advantages to each approach. Monkey-patching the fs means
|
||||
that no `EMFILE` errors can possibly occur anywhere in your
|
||||
application, because everything is using the same core `fs` module,
|
||||
which is patched. However, it can also obviously cause undesirable
|
||||
side-effects, especially if the module is loaded multiple times.
|
||||
|
||||
Implementing a separate-but-identical patched `fs` module is more
|
||||
surgical (and doesn't run the risk of patching multiple times), but
|
||||
also imposes the challenge of keeping in sync with the core module.
|
||||
|
||||
The current approach loads the `fs` module, and then creates a
|
||||
lookalike object that has all the same methods, except a few that are
|
||||
patched. It is safe to use in all versions of Node from 0.8 through
|
||||
7.0.
|
||||
|
||||
### v4
|
||||
|
||||
* Do not monkey-patch the fs module. This module may now be used as a
|
||||
drop-in dep, and users can opt into monkey-patching the fs builtin
|
||||
if their app requires it.
|
||||
|
||||
### v3
|
||||
|
||||
* Monkey-patch fs, because the eval approach no longer works on recent
|
||||
node.
|
||||
* fixed possible type-error throw if rename fails on windows
|
||||
* verify that we *never* get EMFILE errors
|
||||
* Ignore ENOSYS from chmod/chown
|
||||
* clarify that graceful-fs must be used as a drop-in
|
||||
|
||||
### v2.1.0
|
||||
|
||||
* Use eval rather than monkey-patching fs.
|
||||
* readdir: Always sort the results
|
||||
* win32: requeue a file if error has an OK status
|
||||
|
||||
### v2.0
|
||||
|
||||
* A return to monkey patching
|
||||
* wrap process.cwd
|
||||
|
||||
### v1.1
|
||||
|
||||
* wrap readFile
|
||||
* Wrap fs.writeFile.
|
||||
* readdir protection
|
||||
* Don't clobber the fs builtin
|
||||
* Handle fs.read EAGAIN errors by trying again
|
||||
* Expose the curOpen counter
|
||||
* No-op lchown/lchmod if not implemented
|
||||
* fs.rename patch only for win32
|
||||
* Patch fs.rename to handle AV software on Windows
|
||||
* Close #4 Chown should not fail on einval or eperm if non-root
|
||||
* Fix isaacs/fstream#1 Only wrap fs one time
|
||||
* Fix #3 Start at 1024 max files, then back off on EMFILE
|
||||
* lutimes that doens't blow up on Linux
|
||||
* A full on-rewrite using a queue instead of just swallowing the EMFILE error
|
||||
* Wrap Read/Write streams as well
|
||||
|
||||
### 1.0
|
||||
|
||||
* Update engines for node 0.6
|
||||
* Be lstat-graceful on Windows
|
||||
* first
|
||||
+23
@@ -0,0 +1,23 @@
|
||||
'use strict'
|
||||
|
||||
module.exports = clone
|
||||
|
||||
var getPrototypeOf = Object.getPrototypeOf || function (obj) {
|
||||
return obj.__proto__
|
||||
}
|
||||
|
||||
function clone (obj) {
|
||||
if (obj === null || typeof obj !== 'object')
|
||||
return obj
|
||||
|
||||
if (obj instanceof Object)
|
||||
var copy = { __proto__: getPrototypeOf(obj) }
|
||||
else
|
||||
var copy = Object.create(null)
|
||||
|
||||
Object.getOwnPropertyNames(obj).forEach(function (key) {
|
||||
Object.defineProperty(copy, key, Object.getOwnPropertyDescriptor(obj, key))
|
||||
})
|
||||
|
||||
return copy
|
||||
}
|
||||
+448
@@ -0,0 +1,448 @@
|
||||
var fs = require('fs')
|
||||
var polyfills = require('./polyfills.js')
|
||||
var legacy = require('./legacy-streams.js')
|
||||
var clone = require('./clone.js')
|
||||
|
||||
var util = require('util')
|
||||
|
||||
/* istanbul ignore next - node 0.x polyfill */
|
||||
var gracefulQueue
|
||||
var previousSymbol
|
||||
|
||||
/* istanbul ignore else - node 0.x polyfill */
|
||||
if (typeof Symbol === 'function' && typeof Symbol.for === 'function') {
|
||||
gracefulQueue = Symbol.for('graceful-fs.queue')
|
||||
// This is used in testing by future versions
|
||||
previousSymbol = Symbol.for('graceful-fs.previous')
|
||||
} else {
|
||||
gracefulQueue = '___graceful-fs.queue'
|
||||
previousSymbol = '___graceful-fs.previous'
|
||||
}
|
||||
|
||||
function noop () {}
|
||||
|
||||
function publishQueue(context, queue) {
|
||||
Object.defineProperty(context, gracefulQueue, {
|
||||
get: function() {
|
||||
return queue
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
var debug = noop
|
||||
if (util.debuglog)
|
||||
debug = util.debuglog('gfs4')
|
||||
else if (/\bgfs4\b/i.test(process.env.NODE_DEBUG || ''))
|
||||
debug = function() {
|
||||
var m = util.format.apply(util, arguments)
|
||||
m = 'GFS4: ' + m.split(/\n/).join('\nGFS4: ')
|
||||
console.error(m)
|
||||
}
|
||||
|
||||
// Once time initialization
|
||||
if (!fs[gracefulQueue]) {
|
||||
// This queue can be shared by multiple loaded instances
|
||||
var queue = global[gracefulQueue] || []
|
||||
publishQueue(fs, queue)
|
||||
|
||||
// Patch fs.close/closeSync to shared queue version, because we need
|
||||
// to retry() whenever a close happens *anywhere* in the program.
|
||||
// This is essential when multiple graceful-fs instances are
|
||||
// in play at the same time.
|
||||
fs.close = (function (fs$close) {
|
||||
function close (fd, cb) {
|
||||
return fs$close.call(fs, fd, function (err) {
|
||||
// This function uses the graceful-fs shared queue
|
||||
if (!err) {
|
||||
resetQueue()
|
||||
}
|
||||
|
||||
if (typeof cb === 'function')
|
||||
cb.apply(this, arguments)
|
||||
})
|
||||
}
|
||||
|
||||
Object.defineProperty(close, previousSymbol, {
|
||||
value: fs$close
|
||||
})
|
||||
return close
|
||||
})(fs.close)
|
||||
|
||||
fs.closeSync = (function (fs$closeSync) {
|
||||
function closeSync (fd) {
|
||||
// This function uses the graceful-fs shared queue
|
||||
fs$closeSync.apply(fs, arguments)
|
||||
resetQueue()
|
||||
}
|
||||
|
||||
Object.defineProperty(closeSync, previousSymbol, {
|
||||
value: fs$closeSync
|
||||
})
|
||||
return closeSync
|
||||
})(fs.closeSync)
|
||||
|
||||
if (/\bgfs4\b/i.test(process.env.NODE_DEBUG || '')) {
|
||||
process.on('exit', function() {
|
||||
debug(fs[gracefulQueue])
|
||||
require('assert').equal(fs[gracefulQueue].length, 0)
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
if (!global[gracefulQueue]) {
|
||||
publishQueue(global, fs[gracefulQueue]);
|
||||
}
|
||||
|
||||
module.exports = patch(clone(fs))
|
||||
if (process.env.TEST_GRACEFUL_FS_GLOBAL_PATCH && !fs.__patched) {
|
||||
module.exports = patch(fs)
|
||||
fs.__patched = true;
|
||||
}
|
||||
|
||||
function patch (fs) {
|
||||
// Everything that references the open() function needs to be in here
|
||||
polyfills(fs)
|
||||
fs.gracefulify = patch
|
||||
|
||||
fs.createReadStream = createReadStream
|
||||
fs.createWriteStream = createWriteStream
|
||||
var fs$readFile = fs.readFile
|
||||
fs.readFile = readFile
|
||||
function readFile (path, options, cb) {
|
||||
if (typeof options === 'function')
|
||||
cb = options, options = null
|
||||
|
||||
return go$readFile(path, options, cb)
|
||||
|
||||
function go$readFile (path, options, cb, startTime) {
|
||||
return fs$readFile(path, options, function (err) {
|
||||
if (err && (err.code === 'EMFILE' || err.code === 'ENFILE'))
|
||||
enqueue([go$readFile, [path, options, cb], err, startTime || Date.now(), Date.now()])
|
||||
else {
|
||||
if (typeof cb === 'function')
|
||||
cb.apply(this, arguments)
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
var fs$writeFile = fs.writeFile
|
||||
fs.writeFile = writeFile
|
||||
function writeFile (path, data, options, cb) {
|
||||
if (typeof options === 'function')
|
||||
cb = options, options = null
|
||||
|
||||
return go$writeFile(path, data, options, cb)
|
||||
|
||||
function go$writeFile (path, data, options, cb, startTime) {
|
||||
return fs$writeFile(path, data, options, function (err) {
|
||||
if (err && (err.code === 'EMFILE' || err.code === 'ENFILE'))
|
||||
enqueue([go$writeFile, [path, data, options, cb], err, startTime || Date.now(), Date.now()])
|
||||
else {
|
||||
if (typeof cb === 'function')
|
||||
cb.apply(this, arguments)
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
var fs$appendFile = fs.appendFile
|
||||
if (fs$appendFile)
|
||||
fs.appendFile = appendFile
|
||||
function appendFile (path, data, options, cb) {
|
||||
if (typeof options === 'function')
|
||||
cb = options, options = null
|
||||
|
||||
return go$appendFile(path, data, options, cb)
|
||||
|
||||
function go$appendFile (path, data, options, cb, startTime) {
|
||||
return fs$appendFile(path, data, options, function (err) {
|
||||
if (err && (err.code === 'EMFILE' || err.code === 'ENFILE'))
|
||||
enqueue([go$appendFile, [path, data, options, cb], err, startTime || Date.now(), Date.now()])
|
||||
else {
|
||||
if (typeof cb === 'function')
|
||||
cb.apply(this, arguments)
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
var fs$copyFile = fs.copyFile
|
||||
if (fs$copyFile)
|
||||
fs.copyFile = copyFile
|
||||
function copyFile (src, dest, flags, cb) {
|
||||
if (typeof flags === 'function') {
|
||||
cb = flags
|
||||
flags = 0
|
||||
}
|
||||
return go$copyFile(src, dest, flags, cb)
|
||||
|
||||
function go$copyFile (src, dest, flags, cb, startTime) {
|
||||
return fs$copyFile(src, dest, flags, function (err) {
|
||||
if (err && (err.code === 'EMFILE' || err.code === 'ENFILE'))
|
||||
enqueue([go$copyFile, [src, dest, flags, cb], err, startTime || Date.now(), Date.now()])
|
||||
else {
|
||||
if (typeof cb === 'function')
|
||||
cb.apply(this, arguments)
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
var fs$readdir = fs.readdir
|
||||
fs.readdir = readdir
|
||||
var noReaddirOptionVersions = /^v[0-5]\./
|
||||
function readdir (path, options, cb) {
|
||||
if (typeof options === 'function')
|
||||
cb = options, options = null
|
||||
|
||||
var go$readdir = noReaddirOptionVersions.test(process.version)
|
||||
? function go$readdir (path, options, cb, startTime) {
|
||||
return fs$readdir(path, fs$readdirCallback(
|
||||
path, options, cb, startTime
|
||||
))
|
||||
}
|
||||
: function go$readdir (path, options, cb, startTime) {
|
||||
return fs$readdir(path, options, fs$readdirCallback(
|
||||
path, options, cb, startTime
|
||||
))
|
||||
}
|
||||
|
||||
return go$readdir(path, options, cb)
|
||||
|
||||
function fs$readdirCallback (path, options, cb, startTime) {
|
||||
return function (err, files) {
|
||||
if (err && (err.code === 'EMFILE' || err.code === 'ENFILE'))
|
||||
enqueue([
|
||||
go$readdir,
|
||||
[path, options, cb],
|
||||
err,
|
||||
startTime || Date.now(),
|
||||
Date.now()
|
||||
])
|
||||
else {
|
||||
if (files && files.sort)
|
||||
files.sort()
|
||||
|
||||
if (typeof cb === 'function')
|
||||
cb.call(this, err, files)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (process.version.substr(0, 4) === 'v0.8') {
|
||||
var legStreams = legacy(fs)
|
||||
ReadStream = legStreams.ReadStream
|
||||
WriteStream = legStreams.WriteStream
|
||||
}
|
||||
|
||||
var fs$ReadStream = fs.ReadStream
|
||||
if (fs$ReadStream) {
|
||||
ReadStream.prototype = Object.create(fs$ReadStream.prototype)
|
||||
ReadStream.prototype.open = ReadStream$open
|
||||
}
|
||||
|
||||
var fs$WriteStream = fs.WriteStream
|
||||
if (fs$WriteStream) {
|
||||
WriteStream.prototype = Object.create(fs$WriteStream.prototype)
|
||||
WriteStream.prototype.open = WriteStream$open
|
||||
}
|
||||
|
||||
Object.defineProperty(fs, 'ReadStream', {
|
||||
get: function () {
|
||||
return ReadStream
|
||||
},
|
||||
set: function (val) {
|
||||
ReadStream = val
|
||||
},
|
||||
enumerable: true,
|
||||
configurable: true
|
||||
})
|
||||
Object.defineProperty(fs, 'WriteStream', {
|
||||
get: function () {
|
||||
return WriteStream
|
||||
},
|
||||
set: function (val) {
|
||||
WriteStream = val
|
||||
},
|
||||
enumerable: true,
|
||||
configurable: true
|
||||
})
|
||||
|
||||
// legacy names
|
||||
var FileReadStream = ReadStream
|
||||
Object.defineProperty(fs, 'FileReadStream', {
|
||||
get: function () {
|
||||
return FileReadStream
|
||||
},
|
||||
set: function (val) {
|
||||
FileReadStream = val
|
||||
},
|
||||
enumerable: true,
|
||||
configurable: true
|
||||
})
|
||||
var FileWriteStream = WriteStream
|
||||
Object.defineProperty(fs, 'FileWriteStream', {
|
||||
get: function () {
|
||||
return FileWriteStream
|
||||
},
|
||||
set: function (val) {
|
||||
FileWriteStream = val
|
||||
},
|
||||
enumerable: true,
|
||||
configurable: true
|
||||
})
|
||||
|
||||
function ReadStream (path, options) {
|
||||
if (this instanceof ReadStream)
|
||||
return fs$ReadStream.apply(this, arguments), this
|
||||
else
|
||||
return ReadStream.apply(Object.create(ReadStream.prototype), arguments)
|
||||
}
|
||||
|
||||
function ReadStream$open () {
|
||||
var that = this
|
||||
open(that.path, that.flags, that.mode, function (err, fd) {
|
||||
if (err) {
|
||||
if (that.autoClose)
|
||||
that.destroy()
|
||||
|
||||
that.emit('error', err)
|
||||
} else {
|
||||
that.fd = fd
|
||||
that.emit('open', fd)
|
||||
that.read()
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
function WriteStream (path, options) {
|
||||
if (this instanceof WriteStream)
|
||||
return fs$WriteStream.apply(this, arguments), this
|
||||
else
|
||||
return WriteStream.apply(Object.create(WriteStream.prototype), arguments)
|
||||
}
|
||||
|
||||
function WriteStream$open () {
|
||||
var that = this
|
||||
open(that.path, that.flags, that.mode, function (err, fd) {
|
||||
if (err) {
|
||||
that.destroy()
|
||||
that.emit('error', err)
|
||||
} else {
|
||||
that.fd = fd
|
||||
that.emit('open', fd)
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
function createReadStream (path, options) {
|
||||
return new fs.ReadStream(path, options)
|
||||
}
|
||||
|
||||
function createWriteStream (path, options) {
|
||||
return new fs.WriteStream(path, options)
|
||||
}
|
||||
|
||||
var fs$open = fs.open
|
||||
fs.open = open
|
||||
function open (path, flags, mode, cb) {
|
||||
if (typeof mode === 'function')
|
||||
cb = mode, mode = null
|
||||
|
||||
return go$open(path, flags, mode, cb)
|
||||
|
||||
function go$open (path, flags, mode, cb, startTime) {
|
||||
return fs$open(path, flags, mode, function (err, fd) {
|
||||
if (err && (err.code === 'EMFILE' || err.code === 'ENFILE'))
|
||||
enqueue([go$open, [path, flags, mode, cb], err, startTime || Date.now(), Date.now()])
|
||||
else {
|
||||
if (typeof cb === 'function')
|
||||
cb.apply(this, arguments)
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
return fs
|
||||
}
|
||||
|
||||
function enqueue (elem) {
|
||||
debug('ENQUEUE', elem[0].name, elem[1])
|
||||
fs[gracefulQueue].push(elem)
|
||||
retry()
|
||||
}
|
||||
|
||||
// keep track of the timeout between retry() calls
|
||||
var retryTimer
|
||||
|
||||
// reset the startTime and lastTime to now
|
||||
// this resets the start of the 60 second overall timeout as well as the
|
||||
// delay between attempts so that we'll retry these jobs sooner
|
||||
function resetQueue () {
|
||||
var now = Date.now()
|
||||
for (var i = 0; i < fs[gracefulQueue].length; ++i) {
|
||||
// entries that are only a length of 2 are from an older version, don't
|
||||
// bother modifying those since they'll be retried anyway.
|
||||
if (fs[gracefulQueue][i].length > 2) {
|
||||
fs[gracefulQueue][i][3] = now // startTime
|
||||
fs[gracefulQueue][i][4] = now // lastTime
|
||||
}
|
||||
}
|
||||
// call retry to make sure we're actively processing the queue
|
||||
retry()
|
||||
}
|
||||
|
||||
function retry () {
|
||||
// clear the timer and remove it to help prevent unintended concurrency
|
||||
clearTimeout(retryTimer)
|
||||
retryTimer = undefined
|
||||
|
||||
if (fs[gracefulQueue].length === 0)
|
||||
return
|
||||
|
||||
var elem = fs[gracefulQueue].shift()
|
||||
var fn = elem[0]
|
||||
var args = elem[1]
|
||||
// these items may be unset if they were added by an older graceful-fs
|
||||
var err = elem[2]
|
||||
var startTime = elem[3]
|
||||
var lastTime = elem[4]
|
||||
|
||||
// if we don't have a startTime we have no way of knowing if we've waited
|
||||
// long enough, so go ahead and retry this item now
|
||||
if (startTime === undefined) {
|
||||
debug('RETRY', fn.name, args)
|
||||
fn.apply(null, args)
|
||||
} else if (Date.now() - startTime >= 60000) {
|
||||
// it's been more than 60 seconds total, bail now
|
||||
debug('TIMEOUT', fn.name, args)
|
||||
var cb = args.pop()
|
||||
if (typeof cb === 'function')
|
||||
cb.call(null, err)
|
||||
} else {
|
||||
// the amount of time between the last attempt and right now
|
||||
var sinceAttempt = Date.now() - lastTime
|
||||
// the amount of time between when we first tried, and when we last tried
|
||||
// rounded up to at least 1
|
||||
var sinceStart = Math.max(lastTime - startTime, 1)
|
||||
// backoff. wait longer than the total time we've been retrying, but only
|
||||
// up to a maximum of 100ms
|
||||
var desiredDelay = Math.min(sinceStart * 1.2, 100)
|
||||
// it's been long enough since the last retry, do it again
|
||||
if (sinceAttempt >= desiredDelay) {
|
||||
debug('RETRY', fn.name, args)
|
||||
fn.apply(null, args.concat([startTime]))
|
||||
} else {
|
||||
// if we can't do this job yet, push it to the end of the queue
|
||||
// and let the next iteration check again
|
||||
fs[gracefulQueue].push(elem)
|
||||
}
|
||||
}
|
||||
|
||||
// schedule our next run if one isn't already scheduled
|
||||
if (retryTimer === undefined) {
|
||||
retryTimer = setTimeout(retry, 0)
|
||||
}
|
||||
}
|
||||
+118
@@ -0,0 +1,118 @@
|
||||
var Stream = require('stream').Stream
|
||||
|
||||
module.exports = legacy
|
||||
|
||||
function legacy (fs) {
|
||||
return {
|
||||
ReadStream: ReadStream,
|
||||
WriteStream: WriteStream
|
||||
}
|
||||
|
||||
function ReadStream (path, options) {
|
||||
if (!(this instanceof ReadStream)) return new ReadStream(path, options);
|
||||
|
||||
Stream.call(this);
|
||||
|
||||
var self = this;
|
||||
|
||||
this.path = path;
|
||||
this.fd = null;
|
||||
this.readable = true;
|
||||
this.paused = false;
|
||||
|
||||
this.flags = 'r';
|
||||
this.mode = 438; /*=0666*/
|
||||
this.bufferSize = 64 * 1024;
|
||||
|
||||
options = options || {};
|
||||
|
||||
// Mixin options into this
|
||||
var keys = Object.keys(options);
|
||||
for (var index = 0, length = keys.length; index < length; index++) {
|
||||
var key = keys[index];
|
||||
this[key] = options[key];
|
||||
}
|
||||
|
||||
if (this.encoding) this.setEncoding(this.encoding);
|
||||
|
||||
if (this.start !== undefined) {
|
||||
if ('number' !== typeof this.start) {
|
||||
throw TypeError('start must be a Number');
|
||||
}
|
||||
if (this.end === undefined) {
|
||||
this.end = Infinity;
|
||||
} else if ('number' !== typeof this.end) {
|
||||
throw TypeError('end must be a Number');
|
||||
}
|
||||
|
||||
if (this.start > this.end) {
|
||||
throw new Error('start must be <= end');
|
||||
}
|
||||
|
||||
this.pos = this.start;
|
||||
}
|
||||
|
||||
if (this.fd !== null) {
|
||||
process.nextTick(function() {
|
||||
self._read();
|
||||
});
|
||||
return;
|
||||
}
|
||||
|
||||
fs.open(this.path, this.flags, this.mode, function (err, fd) {
|
||||
if (err) {
|
||||
self.emit('error', err);
|
||||
self.readable = false;
|
||||
return;
|
||||
}
|
||||
|
||||
self.fd = fd;
|
||||
self.emit('open', fd);
|
||||
self._read();
|
||||
})
|
||||
}
|
||||
|
||||
function WriteStream (path, options) {
|
||||
if (!(this instanceof WriteStream)) return new WriteStream(path, options);
|
||||
|
||||
Stream.call(this);
|
||||
|
||||
this.path = path;
|
||||
this.fd = null;
|
||||
this.writable = true;
|
||||
|
||||
this.flags = 'w';
|
||||
this.encoding = 'binary';
|
||||
this.mode = 438; /*=0666*/
|
||||
this.bytesWritten = 0;
|
||||
|
||||
options = options || {};
|
||||
|
||||
// Mixin options into this
|
||||
var keys = Object.keys(options);
|
||||
for (var index = 0, length = keys.length; index < length; index++) {
|
||||
var key = keys[index];
|
||||
this[key] = options[key];
|
||||
}
|
||||
|
||||
if (this.start !== undefined) {
|
||||
if ('number' !== typeof this.start) {
|
||||
throw TypeError('start must be a Number');
|
||||
}
|
||||
if (this.start < 0) {
|
||||
throw new Error('start must be >= zero');
|
||||
}
|
||||
|
||||
this.pos = this.start;
|
||||
}
|
||||
|
||||
this.busy = false;
|
||||
this._queue = [];
|
||||
|
||||
if (this.fd === null) {
|
||||
this._open = fs.open;
|
||||
this._queue.push([this._open, this.path, this.flags, this.mode, undefined]);
|
||||
this.flush();
|
||||
}
|
||||
}
|
||||
}
|
||||
+50
@@ -0,0 +1,50 @@
|
||||
{
|
||||
"name": "graceful-fs",
|
||||
"description": "A drop-in replacement for fs, making various improvements.",
|
||||
"version": "4.2.10",
|
||||
"repository": {
|
||||
"type": "git",
|
||||
"url": "https://github.com/isaacs/node-graceful-fs"
|
||||
},
|
||||
"main": "graceful-fs.js",
|
||||
"directories": {
|
||||
"test": "test"
|
||||
},
|
||||
"scripts": {
|
||||
"preversion": "npm test",
|
||||
"postversion": "npm publish",
|
||||
"postpublish": "git push origin --follow-tags",
|
||||
"test": "nyc --silent node test.js | tap -c -",
|
||||
"posttest": "nyc report"
|
||||
},
|
||||
"keywords": [
|
||||
"fs",
|
||||
"module",
|
||||
"reading",
|
||||
"retry",
|
||||
"retries",
|
||||
"queue",
|
||||
"error",
|
||||
"errors",
|
||||
"handling",
|
||||
"EMFILE",
|
||||
"EAGAIN",
|
||||
"EINVAL",
|
||||
"EPERM",
|
||||
"EACCESS"
|
||||
],
|
||||
"license": "ISC",
|
||||
"devDependencies": {
|
||||
"import-fresh": "^2.0.0",
|
||||
"mkdirp": "^0.5.0",
|
||||
"rimraf": "^2.2.8",
|
||||
"tap": "^12.7.0"
|
||||
},
|
||||
"files": [
|
||||
"fs.js",
|
||||
"graceful-fs.js",
|
||||
"legacy-streams.js",
|
||||
"polyfills.js",
|
||||
"clone.js"
|
||||
]
|
||||
}
|
||||
+355
@@ -0,0 +1,355 @@
|
||||
var constants = require('constants')
|
||||
|
||||
var origCwd = process.cwd
|
||||
var cwd = null
|
||||
|
||||
var platform = process.env.GRACEFUL_FS_PLATFORM || process.platform
|
||||
|
||||
process.cwd = function() {
|
||||
if (!cwd)
|
||||
cwd = origCwd.call(process)
|
||||
return cwd
|
||||
}
|
||||
try {
|
||||
process.cwd()
|
||||
} catch (er) {}
|
||||
|
||||
// This check is needed until node.js 12 is required
|
||||
if (typeof process.chdir === 'function') {
|
||||
var chdir = process.chdir
|
||||
process.chdir = function (d) {
|
||||
cwd = null
|
||||
chdir.call(process, d)
|
||||
}
|
||||
if (Object.setPrototypeOf) Object.setPrototypeOf(process.chdir, chdir)
|
||||
}
|
||||
|
||||
module.exports = patch
|
||||
|
||||
function patch (fs) {
|
||||
// (re-)implement some things that are known busted or missing.
|
||||
|
||||
// lchmod, broken prior to 0.6.2
|
||||
// back-port the fix here.
|
||||
if (constants.hasOwnProperty('O_SYMLINK') &&
|
||||
process.version.match(/^v0\.6\.[0-2]|^v0\.5\./)) {
|
||||
patchLchmod(fs)
|
||||
}
|
||||
|
||||
// lutimes implementation, or no-op
|
||||
if (!fs.lutimes) {
|
||||
patchLutimes(fs)
|
||||
}
|
||||
|
||||
// https://github.com/isaacs/node-graceful-fs/issues/4
|
||||
// Chown should not fail on einval or eperm if non-root.
|
||||
// It should not fail on enosys ever, as this just indicates
|
||||
// that a fs doesn't support the intended operation.
|
||||
|
||||
fs.chown = chownFix(fs.chown)
|
||||
fs.fchown = chownFix(fs.fchown)
|
||||
fs.lchown = chownFix(fs.lchown)
|
||||
|
||||
fs.chmod = chmodFix(fs.chmod)
|
||||
fs.fchmod = chmodFix(fs.fchmod)
|
||||
fs.lchmod = chmodFix(fs.lchmod)
|
||||
|
||||
fs.chownSync = chownFixSync(fs.chownSync)
|
||||
fs.fchownSync = chownFixSync(fs.fchownSync)
|
||||
fs.lchownSync = chownFixSync(fs.lchownSync)
|
||||
|
||||
fs.chmodSync = chmodFixSync(fs.chmodSync)
|
||||
fs.fchmodSync = chmodFixSync(fs.fchmodSync)
|
||||
fs.lchmodSync = chmodFixSync(fs.lchmodSync)
|
||||
|
||||
fs.stat = statFix(fs.stat)
|
||||
fs.fstat = statFix(fs.fstat)
|
||||
fs.lstat = statFix(fs.lstat)
|
||||
|
||||
fs.statSync = statFixSync(fs.statSync)
|
||||
fs.fstatSync = statFixSync(fs.fstatSync)
|
||||
fs.lstatSync = statFixSync(fs.lstatSync)
|
||||
|
||||
// if lchmod/lchown do not exist, then make them no-ops
|
||||
if (fs.chmod && !fs.lchmod) {
|
||||
fs.lchmod = function (path, mode, cb) {
|
||||
if (cb) process.nextTick(cb)
|
||||
}
|
||||
fs.lchmodSync = function () {}
|
||||
}
|
||||
if (fs.chown && !fs.lchown) {
|
||||
fs.lchown = function (path, uid, gid, cb) {
|
||||
if (cb) process.nextTick(cb)
|
||||
}
|
||||
fs.lchownSync = function () {}
|
||||
}
|
||||
|
||||
// on Windows, A/V software can lock the directory, causing this
|
||||
// to fail with an EACCES or EPERM if the directory contains newly
|
||||
// created files. Try again on failure, for up to 60 seconds.
|
||||
|
||||
// Set the timeout this long because some Windows Anti-Virus, such as Parity
|
||||
// bit9, may lock files for up to a minute, causing npm package install
|
||||
// failures. Also, take care to yield the scheduler. Windows scheduling gives
|
||||
// CPU to a busy looping process, which can cause the program causing the lock
|
||||
// contention to be starved of CPU by node, so the contention doesn't resolve.
|
||||
if (platform === "win32") {
|
||||
fs.rename = typeof fs.rename !== 'function' ? fs.rename
|
||||
: (function (fs$rename) {
|
||||
function rename (from, to, cb) {
|
||||
var start = Date.now()
|
||||
var backoff = 0;
|
||||
fs$rename(from, to, function CB (er) {
|
||||
if (er
|
||||
&& (er.code === "EACCES" || er.code === "EPERM")
|
||||
&& Date.now() - start < 60000) {
|
||||
setTimeout(function() {
|
||||
fs.stat(to, function (stater, st) {
|
||||
if (stater && stater.code === "ENOENT")
|
||||
fs$rename(from, to, CB);
|
||||
else
|
||||
cb(er)
|
||||
})
|
||||
}, backoff)
|
||||
if (backoff < 100)
|
||||
backoff += 10;
|
||||
return;
|
||||
}
|
||||
if (cb) cb(er)
|
||||
})
|
||||
}
|
||||
if (Object.setPrototypeOf) Object.setPrototypeOf(rename, fs$rename)
|
||||
return rename
|
||||
})(fs.rename)
|
||||
}
|
||||
|
||||
// if read() returns EAGAIN, then just try it again.
|
||||
fs.read = typeof fs.read !== 'function' ? fs.read
|
||||
: (function (fs$read) {
|
||||
function read (fd, buffer, offset, length, position, callback_) {
|
||||
var callback
|
||||
if (callback_ && typeof callback_ === 'function') {
|
||||
var eagCounter = 0
|
||||
callback = function (er, _, __) {
|
||||
if (er && er.code === 'EAGAIN' && eagCounter < 10) {
|
||||
eagCounter ++
|
||||
return fs$read.call(fs, fd, buffer, offset, length, position, callback)
|
||||
}
|
||||
callback_.apply(this, arguments)
|
||||
}
|
||||
}
|
||||
return fs$read.call(fs, fd, buffer, offset, length, position, callback)
|
||||
}
|
||||
|
||||
// This ensures `util.promisify` works as it does for native `fs.read`.
|
||||
if (Object.setPrototypeOf) Object.setPrototypeOf(read, fs$read)
|
||||
return read
|
||||
})(fs.read)
|
||||
|
||||
fs.readSync = typeof fs.readSync !== 'function' ? fs.readSync
|
||||
: (function (fs$readSync) { return function (fd, buffer, offset, length, position) {
|
||||
var eagCounter = 0
|
||||
while (true) {
|
||||
try {
|
||||
return fs$readSync.call(fs, fd, buffer, offset, length, position)
|
||||
} catch (er) {
|
||||
if (er.code === 'EAGAIN' && eagCounter < 10) {
|
||||
eagCounter ++
|
||||
continue
|
||||
}
|
||||
throw er
|
||||
}
|
||||
}
|
||||
}})(fs.readSync)
|
||||
|
||||
function patchLchmod (fs) {
|
||||
fs.lchmod = function (path, mode, callback) {
|
||||
fs.open( path
|
||||
, constants.O_WRONLY | constants.O_SYMLINK
|
||||
, mode
|
||||
, function (err, fd) {
|
||||
if (err) {
|
||||
if (callback) callback(err)
|
||||
return
|
||||
}
|
||||
// prefer to return the chmod error, if one occurs,
|
||||
// but still try to close, and report closing errors if they occur.
|
||||
fs.fchmod(fd, mode, function (err) {
|
||||
fs.close(fd, function(err2) {
|
||||
if (callback) callback(err || err2)
|
||||
})
|
||||
})
|
||||
})
|
||||
}
|
||||
|
||||
fs.lchmodSync = function (path, mode) {
|
||||
var fd = fs.openSync(path, constants.O_WRONLY | constants.O_SYMLINK, mode)
|
||||
|
||||
// prefer to return the chmod error, if one occurs,
|
||||
// but still try to close, and report closing errors if they occur.
|
||||
var threw = true
|
||||
var ret
|
||||
try {
|
||||
ret = fs.fchmodSync(fd, mode)
|
||||
threw = false
|
||||
} finally {
|
||||
if (threw) {
|
||||
try {
|
||||
fs.closeSync(fd)
|
||||
} catch (er) {}
|
||||
} else {
|
||||
fs.closeSync(fd)
|
||||
}
|
||||
}
|
||||
return ret
|
||||
}
|
||||
}
|
||||
|
||||
function patchLutimes (fs) {
|
||||
if (constants.hasOwnProperty("O_SYMLINK") && fs.futimes) {
|
||||
fs.lutimes = function (path, at, mt, cb) {
|
||||
fs.open(path, constants.O_SYMLINK, function (er, fd) {
|
||||
if (er) {
|
||||
if (cb) cb(er)
|
||||
return
|
||||
}
|
||||
fs.futimes(fd, at, mt, function (er) {
|
||||
fs.close(fd, function (er2) {
|
||||
if (cb) cb(er || er2)
|
||||
})
|
||||
})
|
||||
})
|
||||
}
|
||||
|
||||
fs.lutimesSync = function (path, at, mt) {
|
||||
var fd = fs.openSync(path, constants.O_SYMLINK)
|
||||
var ret
|
||||
var threw = true
|
||||
try {
|
||||
ret = fs.futimesSync(fd, at, mt)
|
||||
threw = false
|
||||
} finally {
|
||||
if (threw) {
|
||||
try {
|
||||
fs.closeSync(fd)
|
||||
} catch (er) {}
|
||||
} else {
|
||||
fs.closeSync(fd)
|
||||
}
|
||||
}
|
||||
return ret
|
||||
}
|
||||
|
||||
} else if (fs.futimes) {
|
||||
fs.lutimes = function (_a, _b, _c, cb) { if (cb) process.nextTick(cb) }
|
||||
fs.lutimesSync = function () {}
|
||||
}
|
||||
}
|
||||
|
||||
function chmodFix (orig) {
|
||||
if (!orig) return orig
|
||||
return function (target, mode, cb) {
|
||||
return orig.call(fs, target, mode, function (er) {
|
||||
if (chownErOk(er)) er = null
|
||||
if (cb) cb.apply(this, arguments)
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
function chmodFixSync (orig) {
|
||||
if (!orig) return orig
|
||||
return function (target, mode) {
|
||||
try {
|
||||
return orig.call(fs, target, mode)
|
||||
} catch (er) {
|
||||
if (!chownErOk(er)) throw er
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
function chownFix (orig) {
|
||||
if (!orig) return orig
|
||||
return function (target, uid, gid, cb) {
|
||||
return orig.call(fs, target, uid, gid, function (er) {
|
||||
if (chownErOk(er)) er = null
|
||||
if (cb) cb.apply(this, arguments)
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
function chownFixSync (orig) {
|
||||
if (!orig) return orig
|
||||
return function (target, uid, gid) {
|
||||
try {
|
||||
return orig.call(fs, target, uid, gid)
|
||||
} catch (er) {
|
||||
if (!chownErOk(er)) throw er
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
function statFix (orig) {
|
||||
if (!orig) return orig
|
||||
// Older versions of Node erroneously returned signed integers for
|
||||
// uid + gid.
|
||||
return function (target, options, cb) {
|
||||
if (typeof options === 'function') {
|
||||
cb = options
|
||||
options = null
|
||||
}
|
||||
function callback (er, stats) {
|
||||
if (stats) {
|
||||
if (stats.uid < 0) stats.uid += 0x100000000
|
||||
if (stats.gid < 0) stats.gid += 0x100000000
|
||||
}
|
||||
if (cb) cb.apply(this, arguments)
|
||||
}
|
||||
return options ? orig.call(fs, target, options, callback)
|
||||
: orig.call(fs, target, callback)
|
||||
}
|
||||
}
|
||||
|
||||
function statFixSync (orig) {
|
||||
if (!orig) return orig
|
||||
// Older versions of Node erroneously returned signed integers for
|
||||
// uid + gid.
|
||||
return function (target, options) {
|
||||
var stats = options ? orig.call(fs, target, options)
|
||||
: orig.call(fs, target)
|
||||
if (stats) {
|
||||
if (stats.uid < 0) stats.uid += 0x100000000
|
||||
if (stats.gid < 0) stats.gid += 0x100000000
|
||||
}
|
||||
return stats;
|
||||
}
|
||||
}
|
||||
|
||||
// ENOSYS means that the fs doesn't support the op. Just ignore
|
||||
// that, because it doesn't matter.
|
||||
//
|
||||
// if there's no getuid, or if getuid() is something other
|
||||
// than 0, and the error is EINVAL or EPERM, then just ignore
|
||||
// it.
|
||||
//
|
||||
// This specific case is a silent failure in cp, install, tar,
|
||||
// and most other unix tools that manage permissions.
|
||||
//
|
||||
// When running as root, or if other types of errors are
|
||||
// encountered, then it's strict.
|
||||
function chownErOk (er) {
|
||||
if (!er)
|
||||
return true
|
||||
|
||||
if (er.code === "ENOSYS")
|
||||
return true
|
||||
|
||||
var nonroot = !process.getuid || process.getuid() !== 0
|
||||
if (nonroot) {
|
||||
if (er.code === "EINVAL" || er.code === "EPERM")
|
||||
return true
|
||||
}
|
||||
|
||||
return false
|
||||
}
|
||||
}
|
||||
+52
@@ -0,0 +1,52 @@
|
||||
{
|
||||
"name": "enhanced-resolve",
|
||||
"version": "3.4.1",
|
||||
"author": "Tobias Koppers @sokra",
|
||||
"description": "Offers a async require.resolve function. It's highly configurable.",
|
||||
"files": [
|
||||
"lib"
|
||||
],
|
||||
"dependencies": {
|
||||
"graceful-fs": "^4.1.2",
|
||||
"memory-fs": "^0.4.0",
|
||||
"object-assign": "^4.0.1",
|
||||
"tapable": "^0.2.7"
|
||||
},
|
||||
"licenses": [
|
||||
{
|
||||
"type": "MIT",
|
||||
"url": "http://www.opensource.org/licenses/mit-license.php"
|
||||
}
|
||||
],
|
||||
"devDependencies": {
|
||||
"beautify-lint": "^1.0.3",
|
||||
"codecov.io": "^0.1.6",
|
||||
"coveralls": "^2.11.6",
|
||||
"eslint": "^3.14.1",
|
||||
"eslint-plugin-node": "^3.0.5",
|
||||
"eslint-plugin-nodeca": "^1.0.3",
|
||||
"istanbul": "^0.4.1",
|
||||
"js-beautify": "^1.5.10",
|
||||
"mocha": "^2.3.4",
|
||||
"should": "^8.0.2"
|
||||
},
|
||||
"engines": {
|
||||
"node": ">=4.3.0 <5.0.0 || >=5.10"
|
||||
},
|
||||
"main": "lib/node.js",
|
||||
"homepage": "http://github.com/webpack/enhanced-resolve",
|
||||
"scripts": {
|
||||
"beautify-lint": "beautify-lint lib/**.js test/*.js",
|
||||
"beautify": "beautify-rewrite lib/**.js test/*.js",
|
||||
"lint": "eslint lib test",
|
||||
"pretest": "npm run lint && npm run beautify-lint",
|
||||
"test": "mocha --full-trace --check-leaks",
|
||||
"precover": "npm run lint && npm run beautify-lint",
|
||||
"cover": "istanbul cover node_modules/mocha/bin/_mocha",
|
||||
"travis": "npm run cover -- --report lcovonly"
|
||||
},
|
||||
"repository": {
|
||||
"type": "git",
|
||||
"url": "git://github.com/webpack/enhanced-resolve.git"
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user