diff options
Diffstat (limited to 'node_modules/webpack/lib/MultiCompiler.js')
-rw-r--r-- | node_modules/webpack/lib/MultiCompiler.js | 290 |
1 files changed, 0 insertions, 290 deletions
diff --git a/node_modules/webpack/lib/MultiCompiler.js b/node_modules/webpack/lib/MultiCompiler.js deleted file mode 100644 index e9c3005..0000000 --- a/node_modules/webpack/lib/MultiCompiler.js +++ /dev/null @@ -1,290 +0,0 @@ -/* - MIT License http://www.opensource.org/licenses/mit-license.php - Author Tobias Koppers @sokra -*/ -"use strict"; - -const { Tapable, SyncHook, MultiHook } = require("tapable"); -const asyncLib = require("neo-async"); -const MultiWatching = require("./MultiWatching"); -const MultiStats = require("./MultiStats"); -const ConcurrentCompilationError = require("./ConcurrentCompilationError"); - -module.exports = class MultiCompiler extends Tapable { - constructor(compilers) { - super(); - this.hooks = { - done: new SyncHook(["stats"]), - invalid: new MultiHook(compilers.map(c => c.hooks.invalid)), - run: new MultiHook(compilers.map(c => c.hooks.run)), - watchClose: new SyncHook([]), - watchRun: new MultiHook(compilers.map(c => c.hooks.watchRun)), - infrastructureLog: new MultiHook( - compilers.map(c => c.hooks.infrastructureLog) - ) - }; - if (!Array.isArray(compilers)) { - compilers = Object.keys(compilers).map(name => { - compilers[name].name = name; - return compilers[name]; - }); - } - this.compilers = compilers; - let doneCompilers = 0; - let compilerStats = []; - let index = 0; - for (const compiler of this.compilers) { - let compilerDone = false; - const compilerIndex = index++; - // eslint-disable-next-line no-loop-func - compiler.hooks.done.tap("MultiCompiler", stats => { - if (!compilerDone) { - compilerDone = true; - doneCompilers++; - } - compilerStats[compilerIndex] = stats; - if (doneCompilers === this.compilers.length) { - this.hooks.done.call(new MultiStats(compilerStats)); - } - }); - // eslint-disable-next-line no-loop-func - compiler.hooks.invalid.tap("MultiCompiler", () => { - if (compilerDone) { - compilerDone = false; - doneCompilers--; - } - }); - } - this.running = false; - } - - get outputPath() { - let commonPath = this.compilers[0].outputPath; - for (const compiler of this.compilers) { - while ( - compiler.outputPath.indexOf(commonPath) !== 0 && - /[/\\]/.test(commonPath) - ) { - commonPath = commonPath.replace(/[/\\][^/\\]*$/, ""); - } - } - - if (!commonPath && this.compilers[0].outputPath[0] === "/") return "/"; - return commonPath; - } - - get inputFileSystem() { - throw new Error("Cannot read inputFileSystem of a MultiCompiler"); - } - - get outputFileSystem() { - throw new Error("Cannot read outputFileSystem of a MultiCompiler"); - } - - set inputFileSystem(value) { - for (const compiler of this.compilers) { - compiler.inputFileSystem = value; - } - } - - set outputFileSystem(value) { - for (const compiler of this.compilers) { - compiler.outputFileSystem = value; - } - } - - getInfrastructureLogger(name) { - return this.compilers[0].getInfrastructureLogger(name); - } - - validateDependencies(callback) { - const edges = new Set(); - const missing = []; - const targetFound = compiler => { - for (const edge of edges) { - if (edge.target === compiler) { - return true; - } - } - return false; - }; - const sortEdges = (e1, e2) => { - return ( - e1.source.name.localeCompare(e2.source.name) || - e1.target.name.localeCompare(e2.target.name) - ); - }; - for (const source of this.compilers) { - if (source.dependencies) { - for (const dep of source.dependencies) { - const target = this.compilers.find(c => c.name === dep); - if (!target) { - missing.push(dep); - } else { - edges.add({ - source, - target - }); - } - } - } - } - const errors = missing.map(m => `Compiler dependency \`${m}\` not found.`); - const stack = this.compilers.filter(c => !targetFound(c)); - while (stack.length > 0) { - const current = stack.pop(); - for (const edge of edges) { - if (edge.source === current) { - edges.delete(edge); - const target = edge.target; - if (!targetFound(target)) { - stack.push(target); - } - } - } - } - if (edges.size > 0) { - const lines = Array.from(edges) - .sort(sortEdges) - .map(edge => `${edge.source.name} -> ${edge.target.name}`); - lines.unshift("Circular dependency found in compiler dependencies."); - errors.unshift(lines.join("\n")); - } - if (errors.length > 0) { - const message = errors.join("\n"); - callback(new Error(message)); - return false; - } - return true; - } - - runWithDependencies(compilers, fn, callback) { - const fulfilledNames = new Set(); - let remainingCompilers = compilers; - const isDependencyFulfilled = d => fulfilledNames.has(d); - const getReadyCompilers = () => { - let readyCompilers = []; - let list = remainingCompilers; - remainingCompilers = []; - for (const c of list) { - const ready = - !c.dependencies || c.dependencies.every(isDependencyFulfilled); - if (ready) { - readyCompilers.push(c); - } else { - remainingCompilers.push(c); - } - } - return readyCompilers; - }; - const runCompilers = callback => { - if (remainingCompilers.length === 0) return callback(); - asyncLib.map( - getReadyCompilers(), - (compiler, callback) => { - fn(compiler, err => { - if (err) return callback(err); - fulfilledNames.add(compiler.name); - runCompilers(callback); - }); - }, - callback - ); - }; - runCompilers(callback); - } - - watch(watchOptions, handler) { - if (this.running) return handler(new ConcurrentCompilationError()); - - let watchings = []; - let allStats = this.compilers.map(() => null); - let compilerStatus = this.compilers.map(() => false); - if (this.validateDependencies(handler)) { - this.running = true; - this.runWithDependencies( - this.compilers, - (compiler, callback) => { - const compilerIdx = this.compilers.indexOf(compiler); - let firstRun = true; - let watching = compiler.watch( - Array.isArray(watchOptions) - ? watchOptions[compilerIdx] - : watchOptions, - (err, stats) => { - if (err) handler(err); - if (stats) { - allStats[compilerIdx] = stats; - compilerStatus[compilerIdx] = "new"; - if (compilerStatus.every(Boolean)) { - const freshStats = allStats.filter((s, idx) => { - return compilerStatus[idx] === "new"; - }); - compilerStatus.fill(true); - const multiStats = new MultiStats(freshStats); - handler(null, multiStats); - } - } - if (firstRun && !err) { - firstRun = false; - callback(); - } - } - ); - watchings.push(watching); - }, - () => { - // ignore - } - ); - } - - return new MultiWatching(watchings, this); - } - - run(callback) { - if (this.running) { - return callback(new ConcurrentCompilationError()); - } - - const finalCallback = (err, stats) => { - this.running = false; - - if (callback !== undefined) { - return callback(err, stats); - } - }; - - const allStats = this.compilers.map(() => null); - if (this.validateDependencies(callback)) { - this.running = true; - this.runWithDependencies( - this.compilers, - (compiler, callback) => { - const compilerIdx = this.compilers.indexOf(compiler); - compiler.run((err, stats) => { - if (err) { - return callback(err); - } - allStats[compilerIdx] = stats; - callback(); - }); - }, - err => { - if (err) { - return finalCallback(err); - } - finalCallback(null, new MultiStats(allStats)); - } - ); - } - } - - purgeInputFileSystem() { - for (const compiler of this.compilers) { - if (compiler.inputFileSystem && compiler.inputFileSystem.purge) { - compiler.inputFileSystem.purge(); - } - } - } -}; |