chushihua

node_modules/webpack/lib/SetVarMainTemplatePlugin.js

@@ -0,0 +1,41 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const ConcatSource = require("webpack-sources").ConcatSource;
+
+class SetVarMainTemplatePlugin {
+	constructor(varExpression, copyObject) {
+		this.varExpression = varExpression;
+		this.copyObject = copyObject;
+	}
+
+	apply(compilation) {
+		const mainTemplate = compilation.mainTemplate;
+		compilation.templatesPlugin("render-with-entry", (source, chunk, hash) => {
+			const varExpression = mainTemplate.applyPluginsWaterfall("asset-path", this.varExpression, {
+				hash,
+				chunk
+			});
+			if(this.copyObject) {
+				return new ConcatSource(`(function(e, a) { for(var i in a) e[i] = a[i]; }(${varExpression}, `, source, "))");
+			} else {
+				const prefix = `${varExpression} =\n`;
+				return new ConcatSource(prefix, source);
+			}
+		});
+		mainTemplate.plugin("global-hash-paths", (paths) => {
+			if(this.varExpression) paths.push(this.varExpression);
+			return paths;
+		});
+		mainTemplate.plugin("hash", hash => {
+			hash.update("set var");
+			hash.update(`${this.varExpression}`);
+			hash.update(`${this.copyObject}`);
+		});
+	}
+}
+
+module.exports = SetVarMainTemplatePlugin;