mirror of https://github.com/webpack/webpack.git
72 lines
2.9 KiB
JavaScript
72 lines
2.9 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 AliasPlugin = require("enhanced-resolve/lib/AliasPlugin");
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var ModuleParserHelpers = require("../ModuleParserHelpers");
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var nodeLibsBrowser = require("node-libs-browser");
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function NodeSourcePlugin(options) {
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this.options = options;
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}
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module.exports = NodeSourcePlugin;
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NodeSourcePlugin.prototype.apply = function(compiler) {
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function getPathToModule(module, type) {
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if(type === true || (type === undefined && nodeLibsBrowser[module])) {
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if(!nodeLibsBrowser[module]) throw new Error("No browser version for node.js core module '" + module + "' available");
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return nodeLibsBrowser[module];
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} else if(type === "mock") {
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return require.resolve("node-libs-browser/mock/" + module);
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} else if(type === "empty") {
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return require.resolve("node-libs-browser/mock/empty");
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} else return module;
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}
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if(this.options.process) {
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var processType = this.options.process;
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compiler.parser.plugin("expression process", function() {
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return ModuleParserHelpers.addParsedVariable(this, "process", "require(" + JSON.stringify(getPathToModule("process", processType)) + ")");
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});
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}
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if(this.options.global) {
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compiler.parser.plugin("expression global", function() {
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return ModuleParserHelpers.addParsedVariable(this, "global", "require(" + JSON.stringify(require.resolve("../../buildin/global.js")) + ")");
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});
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}
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if(this.options.console) {
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var consoleType = this.options.console;
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compiler.parser.plugin("expression console", function() {
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return ModuleParserHelpers.addParsedVariable(this, "console", "require(" + JSON.stringify(getPathToModule("console", consoleType)) + ")");
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});
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}
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var bufferType = this.options.Buffer;
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if(bufferType) {
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compiler.parser.plugin("expression Buffer", function() {
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return ModuleParserHelpers.addParsedVariable(this, "Buffer", "require(" + JSON.stringify(getPathToModule("buffer", bufferType)) + ").Buffer");
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});
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}
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if(this.options.setImmediate) {
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var setImmediateType = this.options.setImmediate;
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compiler.parser.plugin("expression setImmediate", function() {
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return ModuleParserHelpers.addParsedVariable(this, "setImmediate", "require(" + JSON.stringify(getPathToModule("timers", setImmediateType)) + ").setImmediate");
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});
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compiler.parser.plugin("expression clearImmediate", function() {
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return ModuleParserHelpers.addParsedVariable(this, "clearImmediate", "require(" + JSON.stringify(getPathToModule("timers", setImmediateType)) + ").clearImmediate");
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});
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}
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var options = this.options;
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compiler.plugin("after-resolvers", function(compiler) {
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var alias = {};
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Object.keys(nodeLibsBrowser).forEach(function(lib) {
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if(options[lib] !== false) {
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compiler.resolvers.normal.apply(
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new AliasPlugin("described-resolve", {
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name: lib,
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onlyModule: true,
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alias: getPathToModule(lib, options[lib])
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}, "resolve")
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);
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}
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});
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});
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};
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