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Diffstat (limited to 'node_modules/html-webpack-plugin/index.js')
| -rw-r--r-- | node_modules/html-webpack-plugin/index.js | 655 |
1 files changed, 0 insertions, 655 deletions
diff --git a/node_modules/html-webpack-plugin/index.js b/node_modules/html-webpack-plugin/index.js deleted file mode 100644 index f98abce2d..000000000 --- a/node_modules/html-webpack-plugin/index.js +++ /dev/null @@ -1,655 +0,0 @@ -'use strict'; -var vm = require('vm'); -var fs = require('fs'); -var _ = require('lodash'); -var Promise = require('bluebird'); -var path = require('path'); -var childCompiler = require('./lib/compiler.js'); -var prettyError = require('./lib/errors.js'); -var chunkSorter = require('./lib/chunksorter.js'); -Promise.promisifyAll(fs); - -function HtmlWebpackPlugin (options) { - // Default options - this.options = _.extend({ - template: path.join(__dirname, 'default_index.ejs'), - filename: 'index.html', - hash: false, - inject: true, - compile: true, - favicon: false, - minify: false, - cache: true, - showErrors: true, - chunks: 'all', - excludeChunks: [], - title: 'Webpack App', - xhtml: false - }, options); -} - -HtmlWebpackPlugin.prototype.apply = function (compiler) { - var self = this; - var isCompilationCached = false; - var compilationPromise; - - this.options.template = this.getFullTemplatePath(this.options.template, compiler.context); - - // convert absolute filename into relative so that webpack can - // generate it at correct location - var filename = this.options.filename; - if (path.resolve(filename) === path.normalize(filename)) { - this.options.filename = path.relative(compiler.options.output.path, filename); - } - - compiler.plugin('make', function (compilation, callback) { - // Compile the template (queued) - compilationPromise = childCompiler.compileTemplate(self.options.template, compiler.context, self.options.filename, compilation) - .catch(function (err) { - compilation.errors.push(prettyError(err, compiler.context).toString()); - return { - content: self.options.showErrors ? prettyError(err, compiler.context).toJsonHtml() : 'ERROR', - outputName: self.options.filename - }; - }) - .then(function (compilationResult) { - // If the compilation change didnt change the cache is valid - isCompilationCached = compilationResult.hash && self.childCompilerHash === compilationResult.hash; - self.childCompilerHash = compilationResult.hash; - self.childCompilationOutputName = compilationResult.outputName; - callback(); - return compilationResult.content; - }); - }); - - compiler.plugin('emit', function (compilation, callback) { - var applyPluginsAsyncWaterfall = self.applyPluginsAsyncWaterfall(compilation); - // Get all chunks - var allChunks = compilation.getStats().toJson().chunks; - // Filter chunks (options.chunks and options.excludeCHunks) - var chunks = self.filterChunks(allChunks, self.options.chunks, self.options.excludeChunks); - // Sort chunks - chunks = self.sortChunks(chunks, self.options.chunksSortMode); - // Let plugins alter the chunks and the chunk sorting - chunks = compilation.applyPluginsWaterfall('html-webpack-plugin-alter-chunks', chunks, { plugin: self }); - // Get assets - var assets = self.htmlWebpackPluginAssets(compilation, chunks); - // If this is a hot update compilation, move on! - // This solves a problem where an `index.html` file is generated for hot-update js files - // It only happens in Webpack 2, where hot updates are emitted separately before the full bundle - if (self.isHotUpdateCompilation(assets)) { - return callback(); - } - - // If the template and the assets did not change we don't have to emit the html - var assetJson = JSON.stringify(self.getAssetFiles(assets)); - if (isCompilationCached && self.options.cache && assetJson === self.assetJson) { - return callback(); - } else { - self.assetJson = assetJson; - } - - Promise.resolve() - // Favicon - .then(function () { - if (self.options.favicon) { - return self.addFileToAssets(self.options.favicon, compilation) - .then(function (faviconBasename) { - var publicPath = compilation.mainTemplate.getPublicPath({hash: compilation.hash}) || ''; - if (publicPath && publicPath.substr(-1) !== '/') { - publicPath += '/'; - } - assets.favicon = publicPath + faviconBasename; - }); - } - }) - // Wait for the compilation to finish - .then(function () { - return compilationPromise; - }) - .then(function (compiledTemplate) { - // Allow to use a custom function / string instead - if (self.options.templateContent !== undefined) { - return self.options.templateContent; - } - // Once everything is compiled evaluate the html factory - // and replace it with its content - return self.evaluateCompilationResult(compilation, compiledTemplate); - }) - // Allow plugins to make changes to the assets before invoking the template - // This only makes sense to use if `inject` is `false` - .then(function (compilationResult) { - return applyPluginsAsyncWaterfall('html-webpack-plugin-before-html-generation', false, { - assets: assets, - outputName: self.childCompilationOutputName, - plugin: self - }) - .then(function () { - return compilationResult; - }); - }) - // Execute the template - .then(function (compilationResult) { - // If the loader result is a function execute it to retrieve the html - // otherwise use the returned html - return typeof compilationResult !== 'function' - ? compilationResult - : self.executeTemplate(compilationResult, chunks, assets, compilation); - }) - // Allow plugins to change the html before assets are injected - .then(function (html) { - var pluginArgs = {html: html, assets: assets, plugin: self, outputName: self.childCompilationOutputName}; - return applyPluginsAsyncWaterfall('html-webpack-plugin-before-html-processing', true, pluginArgs); - }) - .then(function (result) { - var html = result.html; - var assets = result.assets; - // Prepare script and link tags - var assetTags = self.generateAssetTags(assets); - var pluginArgs = {head: assetTags.head, body: assetTags.body, plugin: self, chunks: chunks, outputName: self.childCompilationOutputName}; - // Allow plugins to change the assetTag definitions - return applyPluginsAsyncWaterfall('html-webpack-plugin-alter-asset-tags', true, pluginArgs) - .then(function (result) { - // Add the stylesheets, scripts and so on to the resulting html - return self.postProcessHtml(html, assets, { body: result.body, head: result.head }) - .then(function (html) { - return _.extend(result, {html: html, assets: assets}); - }); - }); - }) - // Allow plugins to change the html after assets are injected - .then(function (result) { - var html = result.html; - var assets = result.assets; - var pluginArgs = {html: html, assets: assets, plugin: self, outputName: self.childCompilationOutputName}; - return applyPluginsAsyncWaterfall('html-webpack-plugin-after-html-processing', true, pluginArgs) - .then(function (result) { - return result.html; - }); - }) - .catch(function (err) { - // In case anything went wrong the promise is resolved - // with the error message and an error is logged - compilation.errors.push(prettyError(err, compiler.context).toString()); - // Prevent caching - self.hash = null; - return self.options.showErrors ? prettyError(err, compiler.context).toHtml() : 'ERROR'; - }) - .then(function (html) { - // Replace the compilation result with the evaluated html code - compilation.assets[self.childCompilationOutputName] = { - source: function () { - return html; - }, - size: function () { - return html.length; - } - }; - }) - .then(function () { - // Let other plugins know that we are done: - return applyPluginsAsyncWaterfall('html-webpack-plugin-after-emit', false, { - html: compilation.assets[self.childCompilationOutputName], - outputName: self.childCompilationOutputName, - plugin: self - }).catch(function (err) { - console.error(err); - return null; - }).then(function () { - return null; - }); - }) - // Let webpack continue with it - .finally(function () { - callback(); - // Tell blue bird that we don't want to wait for callback. - // Fixes "Warning: a promise was created in a handler but none were returned from it" - // https://github.com/petkaantonov/bluebird/blob/master/docs/docs/warning-explanations.md#warning-a-promise-was-created-in-a-handler-but-none-were-returned-from-it - return null; - }); - }); -}; - -/** - * Evaluates the child compilation result - * Returns a promise - */ -HtmlWebpackPlugin.prototype.evaluateCompilationResult = function (compilation, source) { - if (!source) { - return Promise.reject('The child compilation didn\'t provide a result'); - } - - // The LibraryTemplatePlugin stores the template result in a local variable. - // To extract the result during the evaluation this part has to be removed. - source = source.replace('var HTML_WEBPACK_PLUGIN_RESULT =', ''); - var template = this.options.template.replace(/^.+!/, '').replace(/\?.+$/, ''); - var vmContext = vm.createContext(_.extend({HTML_WEBPACK_PLUGIN: true, require: require}, global)); - var vmScript = new vm.Script(source, {filename: template}); - // Evaluate code and cast to string - var newSource; - try { - newSource = vmScript.runInContext(vmContext); - } catch (e) { - return Promise.reject(e); - } - if (typeof newSource === 'object' && newSource.__esModule && newSource.default) { - newSource = newSource.default; - } - return typeof newSource === 'string' || typeof newSource === 'function' - ? Promise.resolve(newSource) - : Promise.reject('The loader "' + this.options.template + '" didn\'t return html.'); -}; - -/** - * Html post processing - * - * Returns a promise - */ -HtmlWebpackPlugin.prototype.executeTemplate = function (templateFunction, chunks, assets, compilation) { - var self = this; - return Promise.resolve() - // Template processing - .then(function () { - var templateParams = { - compilation: compilation, - webpack: compilation.getStats().toJson(), - webpackConfig: compilation.options, - htmlWebpackPlugin: { - files: assets, - options: self.options - } - }; - var html = ''; - try { - html = templateFunction(templateParams); - } catch (e) { - compilation.errors.push(new Error('Template execution failed: ' + e)); - return Promise.reject(e); - } - return html; - }); -}; - -/** - * Html post processing - * - * Returns a promise - */ -HtmlWebpackPlugin.prototype.postProcessHtml = function (html, assets, assetTags) { - var self = this; - if (typeof html !== 'string') { - return Promise.reject('Expected html to be a string but got ' + JSON.stringify(html)); - } - return Promise.resolve() - // Inject - .then(function () { - if (self.options.inject) { - return self.injectAssetsIntoHtml(html, assets, assetTags); - } else { - return html; - } - }) - // Minify - .then(function (html) { - if (self.options.minify) { - var minify = require('html-minifier').minify; - return minify(html, self.options.minify); - } - return html; - }); -}; - -/* - * Pushes the content of the given filename to the compilation assets - */ -HtmlWebpackPlugin.prototype.addFileToAssets = function (filename, compilation) { - filename = path.resolve(compilation.compiler.context, filename); - return Promise.props({ - size: fs.statAsync(filename), - source: fs.readFileAsync(filename) - }) - .catch(function () { - return Promise.reject(new Error('HtmlWebpackPlugin: could not load file ' + filename)); - }) - .then(function (results) { - var basename = path.basename(filename); - compilation.fileDependencies.push(filename); - compilation.assets[basename] = { - source: function () { - return results.source; - }, - size: function () { - return results.size.size; - } - }; - return basename; - }); -}; - -/** - * Helper to sort chunks - */ -HtmlWebpackPlugin.prototype.sortChunks = function (chunks, sortMode) { - // Sort mode auto by default: - if (typeof sortMode === 'undefined') { - sortMode = 'auto'; - } - // Custom function - if (typeof sortMode === 'function') { - return chunks.sort(sortMode); - } - // Disabled sorting: - if (sortMode === 'none') { - return chunkSorter.none(chunks); - } - // Check if the given sort mode is a valid chunkSorter sort mode - if (typeof chunkSorter[sortMode] !== 'undefined') { - return chunkSorter[sortMode](chunks, this.options.chunks); - } - throw new Error('"' + sortMode + '" is not a valid chunk sort mode'); -}; - -/** - * Return all chunks from the compilation result which match the exclude and include filters - */ -HtmlWebpackPlugin.prototype.filterChunks = function (chunks, includedChunks, excludedChunks) { - return chunks.filter(function (chunk) { - var chunkName = chunk.names[0]; - // This chunk doesn't have a name. This script can't handled it. - if (chunkName === undefined) { - return false; - } - // Skip if the chunk should be lazy loaded - if (typeof chunk.isInitial === 'function') { - if (!chunk.isInitial()) { - return false; - } - } else if (!chunk.initial) { - return false; - } - // Skip if the chunks should be filtered and the given chunk was not added explicity - if (Array.isArray(includedChunks) && includedChunks.indexOf(chunkName) === -1) { - return false; - } - // Skip if the chunks should be filtered and the given chunk was excluded explicity - if (Array.isArray(excludedChunks) && excludedChunks.indexOf(chunkName) !== -1) { - return false; - } - // Add otherwise - return true; - }); -}; - -HtmlWebpackPlugin.prototype.isHotUpdateCompilation = function (assets) { - return assets.js.length && assets.js.every(function (name) { - return /\.hot-update\.js$/.test(name); - }); -}; - -HtmlWebpackPlugin.prototype.htmlWebpackPluginAssets = function (compilation, chunks) { - var self = this; - var compilationHash = compilation.hash; - - // Use the configured public path or build a relative path - var publicPath = typeof compilation.options.output.publicPath !== 'undefined' - // If a hard coded public path exists use it - ? compilation.mainTemplate.getPublicPath({hash: compilationHash}) - // If no public path was set get a relative url path - : path.relative(path.resolve(compilation.options.output.path, path.dirname(self.childCompilationOutputName)), compilation.options.output.path) - .split(path.sep).join('/'); - - if (publicPath.length && publicPath.substr(-1, 1) !== '/') { - publicPath += '/'; - } - - var assets = { - // The public path - publicPath: publicPath, - // Will contain all js & css files by chunk - chunks: {}, - // Will contain all js files - js: [], - // Will contain all css files - css: [], - // Will contain the html5 appcache manifest files if it exists - manifest: Object.keys(compilation.assets).filter(function (assetFile) { - return path.extname(assetFile) === '.appcache'; - })[0] - }; - - // Append a hash for cache busting - if (this.options.hash) { - assets.manifest = self.appendHash(assets.manifest, compilationHash); - assets.favicon = self.appendHash(assets.favicon, compilationHash); - } - - for (var i = 0; i < chunks.length; i++) { - var chunk = chunks[i]; - var chunkName = chunk.names[0]; - - assets.chunks[chunkName] = {}; - - // Prepend the public path to all chunk files - var chunkFiles = [].concat(chunk.files).map(function (chunkFile) { - return publicPath + chunkFile; - }); - - // Append a hash for cache busting - if (this.options.hash) { - chunkFiles = chunkFiles.map(function (chunkFile) { - return self.appendHash(chunkFile, compilationHash); - }); - } - - // Webpack outputs an array for each chunk when using sourcemaps - // But we need only the entry file - var entry = chunkFiles[0]; - assets.chunks[chunkName].size = chunk.size; - assets.chunks[chunkName].entry = entry; - assets.chunks[chunkName].hash = chunk.hash; - assets.js.push(entry); - - // Gather all css files - var css = chunkFiles.filter(function (chunkFile) { - // Some chunks may contain content hash in their names, for ex. 'main.css?1e7cac4e4d8b52fd5ccd2541146ef03f'. - // We must proper handle such cases, so we use regexp testing here - return /.css($|\?)/.test(chunkFile); - }); - assets.chunks[chunkName].css = css; - assets.css = assets.css.concat(css); - } - - // Duplicate css assets can occur on occasion if more than one chunk - // requires the same css. - assets.css = _.uniq(assets.css); - - return assets; -}; - -/** - * Injects the assets into the given html string - */ -HtmlWebpackPlugin.prototype.generateAssetTags = function (assets) { - // Turn script files into script tags - var scripts = assets.js.map(function (scriptPath) { - return { - tagName: 'script', - closeTag: true, - attributes: { - type: 'text/javascript', - src: scriptPath - } - }; - }); - // Make tags self-closing in case of xhtml - var selfClosingTag = !!this.options.xhtml; - // Turn css files into link tags - var styles = assets.css.map(function (stylePath) { - return { - tagName: 'link', - selfClosingTag: selfClosingTag, - attributes: { - href: stylePath, - rel: 'stylesheet' - } - }; - }); - // Injection targets - var head = []; - var body = []; - - // If there is a favicon present, add it to the head - if (assets.favicon) { - head.push({ - tagName: 'link', - selfClosingTag: selfClosingTag, - attributes: { - rel: 'shortcut icon', - href: assets.favicon - } - }); - } - // Add styles to the head - head = head.concat(styles); - // Add scripts to body or head - if (this.options.inject === 'head') { - head = head.concat(scripts); - } else { - body = body.concat(scripts); - } - return {head: head, body: body}; -}; - -/** - * Injects the assets into the given html string - */ -HtmlWebpackPlugin.prototype.injectAssetsIntoHtml = function (html, assets, assetTags) { - var htmlRegExp = /(<html[^>]*>)/i; - var headRegExp = /(<\/head\s*>)/i; - var bodyRegExp = /(<\/body\s*>)/i; - var body = assetTags.body.map(this.createHtmlTag); - var head = assetTags.head.map(this.createHtmlTag); - - if (body.length) { - if (bodyRegExp.test(html)) { - // Append assets to body element - html = html.replace(bodyRegExp, function (match) { - return body.join('') + match; - }); - } else { - // Append scripts to the end of the file if no <body> element exists: - html += body.join(''); - } - } - - if (head.length) { - // Create a head tag if none exists - if (!headRegExp.test(html)) { - if (!htmlRegExp.test(html)) { - html = '<head></head>' + html; - } else { - html = html.replace(htmlRegExp, function (match) { - return match + '<head></head>'; - }); - } - } - - // Append assets to head element - html = html.replace(headRegExp, function (match) { - return head.join('') + match; - }); - } - - // Inject manifest into the opening html tag - if (assets.manifest) { - html = html.replace(/(<html[^>]*)(>)/i, function (match, start, end) { - // Append the manifest only if no manifest was specified - if (/\smanifest\s*=/.test(match)) { - return match; - } - return start + ' manifest="' + assets.manifest + '"' + end; - }); - } - return html; -}; - -/** - * Appends a cache busting hash - */ -HtmlWebpackPlugin.prototype.appendHash = function (url, hash) { - if (!url) { - return url; - } - return url + (url.indexOf('?') === -1 ? '?' : '&') + hash; -}; - -/** - * Turn a tag definition into a html string - */ -HtmlWebpackPlugin.prototype.createHtmlTag = function (tagDefinition) { - var attributes = Object.keys(tagDefinition.attributes || {}) - .filter(function (attributeName) { - return tagDefinition.attributes[attributeName] !== false; - }) - .map(function (attributeName) { - if (tagDefinition.attributes[attributeName] === true) { - return attributeName; - } - return attributeName + '="' + tagDefinition.attributes[attributeName] + '"'; - }); - // Backport of 3.x void tag definition - var voidTag = tagDefinition.voidTag !== undefined ? tagDefinition.voidTag : !tagDefinition.closeTag; - var selfClosingTag = tagDefinition.voidTag !== undefined ? tagDefinition.voidTag && this.options.xhtml : tagDefinition.selfClosingTag; - return '<' + [tagDefinition.tagName].concat(attributes).join(' ') + (selfClosingTag ? '/' : '') + '>' + - (tagDefinition.innerHTML || '') + - (voidTag ? '' : '</' + tagDefinition.tagName + '>'); -}; - -/** - * Helper to return the absolute template path with a fallback loader - */ -HtmlWebpackPlugin.prototype.getFullTemplatePath = function (template, context) { - // If the template doesn't use a loader use the lodash template loader - if (template.indexOf('!') === -1) { - template = require.resolve('./lib/loader.js') + '!' + path.resolve(context, template); - } - // Resolve template path - return template.replace( - /([!])([^/\\][^!?]+|[^/\\!?])($|\?[^!?\n]+$)/, - function (match, prefix, filepath, postfix) { - return prefix + path.resolve(filepath) + postfix; - }); -}; - -/** - * Helper to return a sorted unique array of all asset files out of the - * asset object - */ -HtmlWebpackPlugin.prototype.getAssetFiles = function (assets) { - var files = _.uniq(Object.keys(assets).filter(function (assetType) { - return assetType !== 'chunks' && assets[assetType]; - }).reduce(function (files, assetType) { - return files.concat(assets[assetType]); - }, [])); - files.sort(); - return files; -}; - -/** - * Helper to promisify compilation.applyPluginsAsyncWaterfall that returns - * a function that helps to merge given plugin arguments with processed ones - */ -HtmlWebpackPlugin.prototype.applyPluginsAsyncWaterfall = function (compilation) { - var promisedApplyPluginsAsyncWaterfall = Promise.promisify(compilation.applyPluginsAsyncWaterfall, {context: compilation}); - return function (eventName, requiresResult, pluginArgs) { - return promisedApplyPluginsAsyncWaterfall(eventName, pluginArgs) - .then(function (result) { - if (requiresResult && !result) { - compilation.warnings.push(new Error('Using ' + eventName + ' without returning a result is deprecated.')); - } - return _.extend(pluginArgs, result); - }); - }; -}; - -module.exports = HtmlWebpackPlugin; |