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authorGravatar Piotr Russ <mail@pruss.it> 2020-11-16 00:10:28 +0100
committerGravatar Piotr Russ <mail@pruss.it> 2020-11-16 00:10:28 +0100
commite06ec920f7a5d784e674c4c4b4e6d1da3dc7391d (patch)
tree55713f725f77b44ebfec86e4eec3ce33e71458ca /node_modules/webpack/lib/SetVarMainTemplatePlugin.js
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Diffstat (limited to 'node_modules/webpack/lib/SetVarMainTemplatePlugin.js')
-rw-r--r--node_modules/webpack/lib/SetVarMainTemplatePlugin.js69
1 files changed, 69 insertions, 0 deletions
diff --git a/node_modules/webpack/lib/SetVarMainTemplatePlugin.js b/node_modules/webpack/lib/SetVarMainTemplatePlugin.js
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+++ b/node_modules/webpack/lib/SetVarMainTemplatePlugin.js
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+/*
+ MIT License http://www.opensource.org/licenses/mit-license.php
+ Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const { ConcatSource } = require("webpack-sources");
+
+/** @typedef {import("./Compilation")} Compilation */
+
+class SetVarMainTemplatePlugin {
+ /**
+ * @param {string} varExpression the accessor where the library is exported
+ * @param {boolean} copyObject specify copying the exports
+ */
+ constructor(varExpression, copyObject) {
+ /** @type {string} */
+ this.varExpression = varExpression;
+ /** @type {boolean} */
+ this.copyObject = copyObject;
+ }
+
+ /**
+ * @param {Compilation} compilation the compilation instance
+ * @returns {void}
+ */
+ apply(compilation) {
+ const { mainTemplate, chunkTemplate } = compilation;
+
+ const onRenderWithEntry = (source, chunk, hash) => {
+ const varExpression = mainTemplate.getAssetPath(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);
+ }
+ };
+
+ for (const template of [mainTemplate, chunkTemplate]) {
+ template.hooks.renderWithEntry.tap(
+ "SetVarMainTemplatePlugin",
+ onRenderWithEntry
+ );
+ }
+
+ mainTemplate.hooks.globalHashPaths.tap(
+ "SetVarMainTemplatePlugin",
+ paths => {
+ if (this.varExpression) paths.push(this.varExpression);
+ return paths;
+ }
+ );
+ mainTemplate.hooks.hash.tap("SetVarMainTemplatePlugin", hash => {
+ hash.update("set var");
+ hash.update(`${this.varExpression}`);
+ hash.update(`${this.copyObject}`);
+ });
+ }
+}
+
+module.exports = SetVarMainTemplatePlugin;