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node_modules/html-webpack-plugin/lib/chunksorter.js

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+'use strict';
+
+var toposort = require('toposort');
+var _ = require('lodash');
+
+/*
+  Sorts dependencies between chunks by their "parents" attribute.
+
+  This function sorts chunks based on their dependencies with each other.
+  The parent relation between chunks as generated by Webpack for each chunk
+  is used to define a directed (and hopefully acyclic) graph, which is then
+  topologically sorted in order to retrieve the correct order in which
+  chunks need to be embedded into HTML. A directed edge in this graph is
+  describing a "is parent of" relationship from a chunk to another (distinct)
+  chunk. Thus topological sorting orders chunks from bottom-layer chunks to
+  highest level chunks that use the lower-level chunks.
+
+  @param {Array} chunks an array of chunks as generated by the html-webpack-plugin.
+  It is assumed that each entry contains at least the properties "id"
+  (containing the chunk id) and "parents" (array containing the ids of the
+  parent chunks).
+
+  @return {Array} A topologically sorted version of the input chunks
+*/
+module.exports.dependency = function (chunks) {
+  if (!chunks) {
+    return chunks;
+  }
+
+  // We build a map (chunk-id -> chunk) for faster access during graph building.
+  var nodeMap = {};
+
+  chunks.forEach(function (chunk) {
+    nodeMap[chunk.id] = chunk;
+  });
+
+  // Next, we add an edge for each parent relationship into the graph
+  var edges = [];
+
+  chunks.forEach(function (chunk) {
+    if (chunk.parents) {
+      // Add an edge for each parent (parent -> child)
+      chunk.parents.forEach(function (parentId) {
+        // webpack2 chunk.parents are chunks instead of string id(s)
+        var parentChunk = _.isObject(parentId) ? parentId : nodeMap[parentId];
+        // If the parent chunk does not exist (e.g. because of an excluded chunk)
+        // we ignore that parent
+        if (parentChunk) {
+          edges.push([parentChunk, chunk]);
+        }
+      });
+    }
+  });
+  // We now perform a topological sorting on the input chunks and built edges
+  return toposort.array(chunks, edges);
+};
+
+/**
+ * Sorts the chunks based on the chunk id.
+ *
+ * @param  {Array} chunks the list of chunks to sort
+ * @return {Array} The sorted list of chunks
+ */
+module.exports.id = function (chunks) {
+  return chunks.sort(function orderEntryLast (a, b) {
+    if (a.entry !== b.entry) {
+      return b.entry ? 1 : -1;
+    } else {
+      return b.id - a.id;
+    }
+  });
+};
+
+/**
+ * Performs identity mapping (no-sort).
+ * @param  {Array} chunks the chunks to sort
+ * @return {Array} The sorted chunks
+ */
+module.exports.none = function (chunks) {
+  return chunks;
+};
+
+/**
+ * Sort manually by the chunks
+ * @param  {Array} chunks the chunks to sort
+ * @return {Array} The sorted chunks
+ */
+module.exports.manual = function (chunks, specifyChunks) {
+  var chunksResult = [];
+  var filterResult = [];
+  if (Array.isArray(specifyChunks)) {
+    for (var i = 0; i < specifyChunks.length; i++) {
+      filterResult = chunks.filter(function (chunk) {
+        if (chunk.names[0] && chunk.names[0] === specifyChunks[i]) {
+          return true;
+        }
+        return false;
+      });
+      filterResult.length > 0 && chunksResult.push(filterResult[0]);
+    }
+  }
+  return chunksResult;
+};
+
+/**
+ * Defines the default sorter.
+ */
+module.exports.auto = module.exports.id;
+
+// In webpack 2 the ids have been flipped.
+// Therefore the id sort doesn't work the same way as it did for webpack 1
+// Luckily the dependency sort is working as expected
+if (Number(require('webpack/package.json').version.split('.')[0]) > 1) {
+  module.exports.auto = module.exports.dependency;
+}

node_modules/html-webpack-plugin/lib/compiler.js

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+/*
+ * This file uses webpack to compile a template with a child compiler.
+ *
+ * [TEMPLATE] -> [JAVASCRIPT]
+ *
+ */
+'use strict';
+var Promise = require('bluebird');
+var _ = require('lodash');
+var path = require('path');
+var NodeTemplatePlugin = require('webpack/lib/node/NodeTemplatePlugin');
+var NodeTargetPlugin = require('webpack/lib/node/NodeTargetPlugin');
+var LoaderTargetPlugin = require('webpack/lib/LoaderTargetPlugin');
+var LibraryTemplatePlugin = require('webpack/lib/LibraryTemplatePlugin');
+var SingleEntryPlugin = require('webpack/lib/SingleEntryPlugin');
+
+/**
+ * Compiles the template into a nodejs factory, adds its to the compilation.assets
+ * and returns a promise of the result asset object.
+ *
+ * @param template relative path to the template file
+ * @param context path context
+ * @param outputFilename the file name
+ * @param compilation The webpack compilation object
+ *
+ * Returns an object:
+ * {
+ *  hash: {String} - Base64 hash of the file
+ *  content: {String} - Javascript executable code of the template
+ * }
+ *
+ */
+module.exports.compileTemplate = function compileTemplate (template, context, outputFilename, compilation) {
+  // The entry file is just an empty helper as the dynamic template
+  // require is added in "loader.js"
+  var outputOptions = {
+    filename: outputFilename,
+    publicPath: compilation.outputOptions.publicPath
+  };
+  // Store the result of the parent compilation before we start the child compilation
+  var assetsBeforeCompilation = _.assign({}, compilation.assets[outputOptions.filename]);
+  // Create an additional child compiler which takes the template
+  // and turns it into an Node.JS html factory.
+  // This allows us to use loaders during the compilation
+  var compilerName = getCompilerName(context, outputFilename);
+  var childCompiler = compilation.createChildCompiler(compilerName, outputOptions);
+  childCompiler.context = context;
+  childCompiler.apply(
+    new NodeTemplatePlugin(outputOptions),
+    new NodeTargetPlugin(),
+    new LibraryTemplatePlugin('HTML_WEBPACK_PLUGIN_RESULT', 'var'),
+    new SingleEntryPlugin(this.context, template),
+    new LoaderTargetPlugin('node')
+  );
+
+  // Fix for "Uncaught TypeError: __webpack_require__(...) is not a function"
+  // Hot module replacement requires that every child compiler has its own
+  // cache. @see https://github.com/ampedandwired/html-webpack-plugin/pull/179
+  childCompiler.plugin('compilation', function (compilation) {
+    if (compilation.cache) {
+      if (!compilation.cache[compilerName]) {
+        compilation.cache[compilerName] = {};
+      }
+      compilation.cache = compilation.cache[compilerName];
+    }
+  });
+
+  // Compile and return a promise
+  return new Promise(function (resolve, reject) {
+    childCompiler.runAsChild(function (err, entries, childCompilation) {
+      // Resolve / reject the promise
+      if (childCompilation && childCompilation.errors && childCompilation.errors.length) {
+        var errorDetails = childCompilation.errors.map(function (error) {
+          return error.message + (error.error ? ':\n' + error.error : '');
+        }).join('\n');
+        reject(new Error('Child compilation failed:\n' + errorDetails));
+      } else if (err) {
+        reject(err);
+      } else {
+        // Replace [hash] placeholders in filename
+        var outputName = compilation.mainTemplate.applyPluginsWaterfall('asset-path', outputOptions.filename, {
+          hash: childCompilation.hash,
+          chunk: entries[0]
+        });
+        // Restore the parent compilation to the state like it
+        // was before the child compilation
+        compilation.assets[outputName] = assetsBeforeCompilation[outputName];
+        if (assetsBeforeCompilation[outputName] === undefined) {
+          // If it wasn't there - delete it
+          delete compilation.assets[outputName];
+        }
+        resolve({
+          // Hash of the template entry point
+          hash: entries[0].hash,
+          // Output name
+          outputName: outputName,
+          // Compiled code
+          content: childCompilation.assets[outputName].source()
+        });
+      }
+    });
+  });
+};
+
+/**
+ * Returns the child compiler name e.g. 'html-webpack-plugin for "index.html"'
+ */
+function getCompilerName (context, filename) {
+  var absolutePath = path.resolve(context, filename);
+  var relativePath = path.relative(context, absolutePath);
+  return 'html-webpack-plugin for "' + (absolutePath.length < relativePath.length ? absolutePath : relativePath) + '"';
+}

node_modules/html-webpack-plugin/lib/errors.js

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+'use strict';
+var PrettyError = require('pretty-error');
+var prettyError = new PrettyError();
+prettyError.withoutColors();
+prettyError.skipPackage(['html-plugin-evaluation']);
+prettyError.skipNodeFiles();
+prettyError.skip(function (traceLine) {
+  return traceLine.path === 'html-plugin-evaluation';
+});
+
+module.exports = function (err, context) {
+  return {
+    toHtml: function () {
+      return 'Html Webpack Plugin:\n<pre>\n' + this.toString() + '</pre>';
+    },
+    toJsonHtml: function () {
+      return JSON.stringify(this.toHtml());
+    },
+    toString: function () {
+      return prettyError.render(err).replace(/webpack:\/\/\/\./g, context);
+    }
+  };
+};

node_modules/html-webpack-plugin/lib/loader.js

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+/* This loader renders the template with underscore if no other loader was found */
+'use strict';
+
+var _ = require('lodash');
+var loaderUtils = require('loader-utils');
+
+module.exports = function (source) {
+  if (this.cacheable) {
+    this.cacheable();
+  }
+  var allLoadersButThisOne = this.loaders.filter(function (loader) {
+    // Loader API changed from `loader.module` to `loader.normal` in Webpack 2.
+    return (loader.module || loader.normal) !== module.exports;
+  });
+  // This loader shouldn't kick in if there is any other loader
+  if (allLoadersButThisOne.length > 0) {
+    return source;
+  }
+  // Skip .js files
+  if (/\.js$/.test(this.resourcePath)) {
+    return source;
+  }
+
+  // The following part renders the tempalte with lodash as aminimalistic loader
+  //
+  // Get templating options
+  var options = loaderUtils.parseQuery(this.query);
+  // Webpack 2 does not allow with() statements, which lodash templates use to unwrap
+  // the parameters passed to the compiled template inside the scope. We therefore
+  // need to unwrap them ourselves here. This is essentially what lodash does internally
+  // To tell lodash it should not use with we set a variable
+  var template = _.template(source, _.defaults(options, { variable: 'data' }));
+  // All templateVariables which should be available
+  // @see HtmlWebpackPlugin.prototype.executeTemplate
+  var templateVariables = [
+    'compilation',
+    'webpack',
+    'webpackConfig',
+    'htmlWebpackPlugin'
+  ];
+  return 'var _ = require(' + loaderUtils.stringifyRequest(this, require.resolve('lodash')) + ');' +
+    'module.exports = function (templateParams) {' +
+      // Declare the template variables in the outer scope of the
+      // lodash template to unwrap them
+      templateVariables.map(function (variableName) {
+        return 'var ' + variableName + ' = templateParams.' + variableName;
+      }).join(';') + ';' +
+      // Execute the lodash template
+      'return (' + template.source + ')();' +
+    '}';
+};