mirror of https://github.com/webpack/webpack.git
54 lines
1.5 KiB
JavaScript
54 lines
1.5 KiB
JavaScript
/*
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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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var path = require("path");
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var async = require("async");
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function LibManifestPlugin(options) {
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this.options = options;
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}
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module.exports = LibManifestPlugin;
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LibManifestPlugin.prototype.apply = function(compiler) {
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compiler.plugin("emit", function(compilation, callback) {
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async.forEach(compilation.chunks, function(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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var targetPath = compilation.getPath(this.options.path, {
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hash: compilation.hash,
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chunk: chunk
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});
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var name = this.options.name && compilation.getPath(this.options.name, {
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hash: compilation.hash,
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chunk: chunk
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});
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var manifest = {
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name: name,
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type: this.options.type,
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content: chunk.modules.reduce(function(obj, module) {
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if(module.libIdent) {
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var 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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}.bind(this), {})
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};
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var content = Buffer.from(JSON.stringify(manifest, null, 2), "utf8");
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compiler.outputFileSystem.mkdirp(path.dirname(targetPath), function(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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}.bind(this), callback);
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}.bind(this));
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};
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