mirror of https://github.com/webpack/webpack.git
104 lines
3.8 KiB
JavaScript
104 lines
3.8 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 ConcatSource = require("webpack-core/lib/ConcatSource");
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var OriginalSource = require("webpack-core/lib/OriginalSource");
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var Template = require("./Template");
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function accessorToObjectAccess(accessor) {
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return accessor.map(function(a) {
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return "[" + JSON.stringify(a) + "]";
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}).join("");
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}
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function accessorAccess(base, accessor) {
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accessor = [].concat(accessor);
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return accessor.map(function(a, idx) {
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a = base + accessorToObjectAccess(accessor.slice(0, idx+1));
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if(idx === accessor.length - 1) return a;
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return a + " = " + a + " || {}";
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}).join(", ");
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}
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function UmdMainTemplateDecorator(mainTemplate, name) {
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this.mainTemplate = mainTemplate;
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this.name = name;
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}
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module.exports = UmdMainTemplateDecorator;
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UmdMainTemplateDecorator.prototype.render = function(hash, chunk, moduleTemplate, dependencyTemplates) {
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var source = this.mainTemplate.render(hash, chunk, moduleTemplate, dependencyTemplates);
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var externals = chunk.modules.filter(function(m) {
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return m.external;
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});
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function replaceKeys(str) {
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return (str
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.replace(Template.REGEXP_HASH, hash)
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.replace(Template.REGEXP_CHUNKHASH, chunk.renderedHash)
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.replace(Template.REGEXP_ID, chunk.id)
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.replace(Template.REGEXP_NAME, chunk.name || ""));
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}
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function externalsDepsArray() {
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return "[" + replaceKeys(externals.map(function(m) {
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return JSON.stringify(typeof m.request === "object" ? m.request.amd : m.request);
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}).join(", ")) + "]";
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}
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function externalsRootArray() {
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return replaceKeys(externals.map(function(m) {
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var request = m.request;
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if(typeof request === "object") request = request.root;
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return "root" + accessorToObjectAccess([].concat(request));
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}).join(", "));
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}
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function externalsRequireArray(type) {
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return replaceKeys(externals.map(function(m) {
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var request = m.request;
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if(typeof request === "object") request = request[type];
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if(Array.isArray(request)) {
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return "require(" + JSON.stringify(request[0]) + ")" + accessorToObjectAccess(request.slice(1));
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} else
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return "require(" + JSON.stringify(request) + ")";
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}).join(", "));
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}
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var externalsArguments = externals.map(function(m) {
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return "__WEBPACK_EXTERNAL_MODULE_" + m.id + "__";
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}).join(", ");
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return new ConcatSource(new OriginalSource(
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"(function webpackUniversalModuleDefinition(root, factory) {\n" +
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" if(typeof exports === 'object' && typeof module === 'object')\n" +
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" module.exports = factory(" + externalsRequireArray("commonjs2") + ");\n" +
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" else if(typeof define === 'function' && define.amd)\n" +
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(externalsArguments ?
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" define(" + externalsDepsArray() + ", factory);\n"
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:
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" define(factory);\n"
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) +
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(this.name ?
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" else if(typeof exports === 'object')\n" +
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" exports[" + JSON.stringify(replaceKeys([].concat(this.name).pop())) + "] = factory(" + externalsRequireArray("commonjs") + ");\n" +
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" else\n" +
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" " + replaceKeys(accessorAccess("root", this.name)) + " = factory(" + externalsRootArray() + ");\n"
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:
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" else {\n" +
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(externalsArguments ?
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" var a = typeof exports === 'object' ? factory(" + externalsRequireArray("commonjs") + ") : factory(" + externalsRootArray() + ");\n"
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:
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" var a = factory();\n"
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) +
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" for(var i in a) (typeof exports === 'object' ? exports : root)[i] = a[i];\n" +
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" }\n"
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) +
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"})(this, function(" + externalsArguments + ") {\nreturn ", "webpack/universalModuleDefinition"), source, "\n})\n");
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};
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UmdMainTemplateDecorator.prototype.useChunkHash = function(chunk) {
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if(!this.mainTemplate.useChunkHash || !this.mainTemplate.useChunkHash(chunk)) return false;
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return !Template.REGEXP_HASH.test([].concat(this.name || "").join("|"));
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};
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UmdMainTemplateDecorator.prototype.updateHash = function(hash) {
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hash.update("umd");
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hash.update(this.name + "");
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this.mainTemplate.updateHash(hash);
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};
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