59 lines
1.6 KiB
JavaScript
59 lines
1.6 KiB
JavaScript
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/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Tobias Koppers @sokra
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*/
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"use strict";
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const path = require("path");
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const asyncLib = require("async");
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class LibManifestPlugin {
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constructor(options) {
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this.options = options;
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}
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apply(compiler) {
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compiler.plugin("emit", (compilation, callback) => {
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asyncLib.forEach(compilation.chunks, (chunk, callback) => {
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if(!chunk.isInitial()) {
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callback();
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return;
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}
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const targetPath = compilation.getPath(this.options.path, {
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hash: compilation.hash,
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chunk
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});
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const name = this.options.name && compilation.getPath(this.options.name, {
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hash: compilation.hash,
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chunk
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});
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const manifest = {
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name,
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type: this.options.type,
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content: chunk.modules.reduce((obj, module) => {
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if(module.libIdent) {
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const ident = module.libIdent({
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context: this.options.context || compiler.options.context
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});
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if(ident) {
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obj[ident] = {
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id: module.id,
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meta: module.meta,
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exports: Array.isArray(module.providedExports) ? module.providedExports : undefined
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};
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}
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}
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return obj;
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}, {})
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};
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const content = new Buffer(JSON.stringify(manifest, null, 2), "utf8"); //eslint-disable-line
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compiler.outputFileSystem.mkdirp(path.dirname(targetPath), err => {
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if(err) return callback(err);
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compiler.outputFileSystem.writeFile(targetPath, content, callback);
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});
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}, callback);
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});
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}
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}
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module.exports = LibManifestPlugin;
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