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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| 'use strict'; // eslint-disable-line | ||
|
|
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| const path = require('path'); | ||
| const utils = require('loader-utils'); | ||
|
|
||
| /** | ||
| * Generate output name from output pattern | ||
| * | ||
| * @link https://github.com/kevlened/copy-webpack-plugin/blob/323b1d74ef35ed2221637d8028b1bef854deb523/src/writeFile.js#L31-L65 | ||
| * @param {string} pattern | ||
| * @param {string} relativeFrom | ||
| * @param {binary} content | ||
| * @return {string} | ||
| */ | ||
| module.exports = (pattern, relativeFrom, content) => { | ||
| let webpackTo = pattern; | ||
| let resourcePath = relativeFrom; | ||
|
|
||
| /* A hack so .dotted files don't get parsed as extensions */ | ||
| const basename = path.basename(resourcePath); | ||
| let dotRemoved = false; | ||
| if (basename[0] === '.') { | ||
| dotRemoved = true; | ||
| resourcePath = path.join(path.dirname(resourcePath), basename.slice(1)); | ||
| } | ||
|
|
||
| /** | ||
| * If it doesn't have an extension, remove it from the pattern | ||
| * ie. [name].[ext] or [name][ext] both become [name] | ||
| */ | ||
| if (!path.extname(resourcePath)) { | ||
| webpackTo = webpackTo.replace(/\.?\[ext]/g, ''); | ||
| } | ||
|
|
||
| /** | ||
| * A hack because loaderUtils.interpolateName doesn't | ||
| * find the right path if no directory is defined | ||
| * ie. [path] applied to 'file.txt' would return 'file' | ||
| */ | ||
| if (resourcePath.indexOf('/') < 0) { | ||
| resourcePath = `/${resourcePath}`; | ||
| } | ||
|
|
||
| webpackTo = utils.interpolateName({ resourcePath }, webpackTo, { content }); | ||
|
|
||
| if (dotRemoved) { | ||
| webpackTo = path.join(path.dirname(webpackTo), `.${path.basename(webpackTo)}`); | ||
| } | ||
| return webpackTo; | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,21 @@ | ||
| /** | ||
| * Node-style asynchronous function. | ||
| * | ||
| * @callback nodeAsyncCallback | ||
| * @param {string|null} err | ||
| * @param {*} data | ||
| */ | ||
| /** | ||
| * Promisify node-style asynchronous functions | ||
| * | ||
| * @param {nodeAsyncCallback} fn - Function with node-style callback | ||
| * @param {this} [scope] - Scope to which the function should be bound. Default: fn | ||
| * @returns {Promise} - An instance of Promise | ||
| */ | ||
| module.exports = (fn, scope) => function callback() { | ||
| const args = [].slice.call(arguments); | ||
| return new Promise((resolve, reject) => { | ||
| args.push((err, data) => (err === null ? resolve(data) : reject(err))); | ||
| return fn.apply(scope || fn, args); | ||
| }); | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,143 @@ | ||
| 'use strict'; // eslint-disable-line | ||
|
|
||
| const fs = require('fs'); | ||
| const path = require('path'); | ||
| const glob = require('glob'); | ||
| const utils = require('loader-utils'); | ||
| const includes = require('lodash/includes'); | ||
|
|
||
| const interpolateName = require('./util/interpolateName'); | ||
| const promisify = require('./util/promisify'); | ||
|
|
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| const fixPath = v => v.replace(/\\/g, '/'); | ||
| const errorMsg = msg => `\x1b[31m${msg}\x1b[0m`; | ||
|
|
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| const GLOB_CWD_AUTO = null; | ||
|
|
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| const globAsync = promisify(glob); | ||
| const statAsync = promisify(fs.stat); | ||
| const readFileAsync = promisify(fs.readFile); | ||
|
|
||
| class PatternUndefinedError extends Error { | ||
| constructor() { | ||
| super(errorMsg('[copy-globs] You must provide glob pattern.')); | ||
| } | ||
| } | ||
|
|
||
| class ArgsArrayError extends TypeError { | ||
| constructor() { | ||
| super(errorMsg( | ||
| '[copy-globs] pattern cannot be an array.\n' + | ||
| 'For multiple folders, use something like:\n\n' + | ||
| ' +(images|fonts)/**/*\n\n' + | ||
| 'See also: https://github.com/isaacs/node-glob#glob-primer\n' | ||
| )); | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Throws an error if pattern is an array or undefined | ||
| * | ||
| * @param pattern | ||
| */ | ||
| const testPattern = (pattern) => { | ||
| if (pattern === undefined) { | ||
| throw new PatternUndefinedError(); | ||
| } | ||
| if (Array.isArray(pattern)) { | ||
| throw new ArgsArrayError(); | ||
| } | ||
| }; | ||
|
|
||
| const normalizeArguments = (input) => { | ||
| testPattern(input); | ||
| const options = {}; | ||
| if (typeof input === 'string') { | ||
| options.pattern = input; | ||
| } else { | ||
| testPattern(input.pattern); | ||
| return input; | ||
| } | ||
| return options; | ||
| }; | ||
|
|
||
| module.exports = class { | ||
| constructor(o) { | ||
| const options = normalizeArguments(o); | ||
| this.pattern = options.pattern; | ||
| this.disable = options.disable; | ||
| this.output = options.output || '[path][name].[ext]'; | ||
| this.globOptions = Object.assign(options.globOptions || {}, { cwd: GLOB_CWD_AUTO }); | ||
| this.globOptions.nodir = true; | ||
| this.manifest = options.manifest || {}; | ||
| this.files = []; | ||
| } | ||
| apply(compiler) { | ||
| if (this.disable) { | ||
| return; | ||
| } | ||
| this.compiler = compiler; | ||
| this.resolveWorkingDirectory(); | ||
| compiler.plugin('emit', this.emitHandler.bind(this)); | ||
| compiler.plugin('after-emit', this.afterEmitHandler.bind(this)); | ||
| } | ||
| emitHandler(compilation, callback) { | ||
| this.compilation = compilation; | ||
| globAsync(this.pattern, this.globOptions) | ||
| .then( | ||
| paths => Promise.all(paths.map(this.processAsset.bind(this))), | ||
| err => compilation.errors.push(err) | ||
| ) | ||
| .then(() => { | ||
| Object.keys(this.files).forEach((absoluteFrom) => { | ||
| const file = this.files[absoluteFrom]; | ||
| this.manifest[file.relativeFrom] = file.webpackTo; | ||
| this.compilation.assets[file.webpackTo] = { | ||
| size: () => file.stat.size, | ||
| source: () => file.content, | ||
| }; | ||
| }); | ||
| }) | ||
| .then(callback); | ||
| } | ||
| afterEmitHandler(compilation, callback) { | ||
| Object.keys(this.files) | ||
| .filter(absoluteFrom => !includes(compilation.fileDependencies, absoluteFrom)) | ||
| .forEach(absoluteFrom => compilation.fileDependencies.push(absoluteFrom)); | ||
| callback(); | ||
| } | ||
| resolveWorkingDirectory() { | ||
| if (this.globOptions.cwd === GLOB_CWD_AUTO) { | ||
| this.globOptions.cwd = this.compiler.options.context; | ||
| } | ||
| this.context = this.globOptions.cwd || this.compiler.options.context; | ||
| } | ||
| processAsset(relativeFrom) { | ||
| if (this.compilation.assets[relativeFrom]) { | ||
| return Promise.resolve(); | ||
| } | ||
| const absoluteFrom = path.resolve(this.context, relativeFrom); | ||
| return statAsync(absoluteFrom) | ||
| .then(stat => this.buildFileObject(relativeFrom, absoluteFrom, stat)) | ||
| .then(this.addAsset.bind(this)); | ||
| } | ||
| buildFileObject(relativeFrom, absoluteFrom, stat) { | ||
| return readFileAsync(absoluteFrom) | ||
| .then((content) => { | ||
| const hash = utils.getHashDigest(content); | ||
| const webpackTo = fixPath(interpolateName(this.output, relativeFrom, content)); | ||
| return { relativeFrom, absoluteFrom, stat, content, hash, webpackTo }; | ||
| }); | ||
| } | ||
| addAsset(file) { | ||
| const asset = this.getAsset(file.absoluteFrom); | ||
| if (asset && asset.hash === file.hash) { | ||
| return null; | ||
| } | ||
| this.files[file.absoluteFrom] = file; | ||
| return file; | ||
| } | ||
| getAsset(absoluteFrom) { | ||
| return this.files[absoluteFrom]; | ||
| } | ||
| }; |
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