diff options
author | Florian Dold <florian.dold@gmail.com> | 2018-09-20 02:56:13 +0200 |
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committer | Florian Dold <florian.dold@gmail.com> | 2018-09-20 02:56:13 +0200 |
commit | bbff7403fbf46f9ad92240ac213df8d30ef31b64 (patch) | |
tree | c58400ec5124da1c7d56b01aea83309f80a56c3b /node_modules/webpack/lib/MultiCompiler.js | |
parent | 003fb34971cf63466184351b4db5f7c67df4f444 (diff) |
update packages
Diffstat (limited to 'node_modules/webpack/lib/MultiCompiler.js')
-rw-r--r-- | node_modules/webpack/lib/MultiCompiler.js | 447 |
1 files changed, 283 insertions, 164 deletions
diff --git a/node_modules/webpack/lib/MultiCompiler.js b/node_modules/webpack/lib/MultiCompiler.js index 8c9b8c183..cdc7fb508 100644 --- a/node_modules/webpack/lib/MultiCompiler.js +++ b/node_modules/webpack/lib/MultiCompiler.js @@ -1,164 +1,283 @@ -/*
- MIT License http://www.opensource.org/licenses/mit-license.php
- Author Tobias Koppers @sokra
-*/
-"use strict";
-
-const Tapable = require("tapable");
-const asyncLib = require("async");
-const MultiWatching = require("./MultiWatching");
-const MultiStats = require("./MultiStats");
-
-module.exports = class MultiCompiler extends Tapable {
- constructor(compilers) {
- super();
- 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 = [];
- this.compilers.forEach((compiler, idx) => {
- let compilerDone = false;
- compiler.plugin("done", stats => {
- if(!compilerDone) {
- compilerDone = true;
- doneCompilers++;
- }
- compilerStats[idx] = stats;
- if(doneCompilers === this.compilers.length) {
- this.applyPlugins("done", new MultiStats(compilerStats));
- }
- });
- compiler.plugin("invalid", () => {
- if(compilerDone) {
- compilerDone = false;
- doneCompilers--;
- }
- this.applyPlugins("invalid");
- });
- }, this);
- }
-
- 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) {
- this.compilers.forEach(compiler => {
- compiler.inputFileSystem = value;
- });
- }
-
- set outputFileSystem(value) {
- this.compilers.forEach(compiler => {
- compiler.outputFileSystem = value;
- });
- }
-
- runWithDependencies(compilers, fn, callback) {
- let fulfilledNames = {};
- let remainingCompilers = compilers;
- const isDependencyFulfilled = (d) => fulfilledNames[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[compiler.name] = true;
- runCompilers(callback);
- });
- }, callback);
- };
- runCompilers(callback);
- }
-
- watch(watchOptions, handler) {
- let watchings = [];
- let allStats = this.compilers.map(() => null);
- let compilerStatus = this.compilers.map(() => false);
- 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) {
- const allStats = this.compilers.map(() => null);
- 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 callback(err);
- callback(null, new MultiStats(allStats));
- });
- }
-
- purgeInputFileSystem() {
- this.compilers.forEach((compiler) => {
- if(compiler.inputFileSystem && compiler.inputFileSystem.purge)
- compiler.inputFileSystem.purge();
- });
- }
-};
+/* + 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)) + }; + 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; + } + } + + 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(); + } + } + } +}; |