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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/dependencies/RequireContextPlugin.js
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Diffstat (limited to 'node_modules/webpack/lib/dependencies/RequireContextPlugin.js')
-rw-r--r--node_modules/webpack/lib/dependencies/RequireContextPlugin.js143
1 files changed, 143 insertions, 0 deletions
diff --git a/node_modules/webpack/lib/dependencies/RequireContextPlugin.js b/node_modules/webpack/lib/dependencies/RequireContextPlugin.js
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+++ b/node_modules/webpack/lib/dependencies/RequireContextPlugin.js
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+/*
+ MIT License http://www.opensource.org/licenses/mit-license.php
+ Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const RequireContextDependency = require("./RequireContextDependency");
+const ContextElementDependency = require("./ContextElementDependency");
+
+const RequireContextDependencyParserPlugin = require("./RequireContextDependencyParserPlugin");
+
+class RequireContextPlugin {
+ constructor(modulesDirectories, extensions, mainFiles) {
+ if (!Array.isArray(modulesDirectories)) {
+ throw new Error("modulesDirectories must be an array");
+ }
+ if (!Array.isArray(extensions)) {
+ throw new Error("extensions must be an array");
+ }
+ this.modulesDirectories = modulesDirectories;
+ this.extensions = extensions;
+ this.mainFiles = mainFiles;
+ }
+
+ apply(compiler) {
+ compiler.hooks.compilation.tap(
+ "RequireContextPlugin",
+ (compilation, { contextModuleFactory, normalModuleFactory }) => {
+ compilation.dependencyFactories.set(
+ RequireContextDependency,
+ contextModuleFactory
+ );
+ compilation.dependencyTemplates.set(
+ RequireContextDependency,
+ new RequireContextDependency.Template()
+ );
+
+ compilation.dependencyFactories.set(
+ ContextElementDependency,
+ normalModuleFactory
+ );
+
+ const handler = (parser, parserOptions) => {
+ if (
+ parserOptions.requireContext !== undefined &&
+ !parserOptions.requireContext
+ )
+ return;
+
+ new RequireContextDependencyParserPlugin().apply(parser);
+ };
+
+ normalModuleFactory.hooks.parser
+ .for("javascript/auto")
+ .tap("RequireContextPlugin", handler);
+ normalModuleFactory.hooks.parser
+ .for("javascript/dynamic")
+ .tap("RequireContextPlugin", handler);
+
+ contextModuleFactory.hooks.alternatives.tap(
+ "RequireContextPlugin",
+ items => {
+ if (items.length === 0) return items;
+ return items
+ .map(obj => {
+ return this.extensions
+ .filter(ext => {
+ const l = obj.request.length;
+ return (
+ l > ext.length &&
+ obj.request.substr(l - ext.length, l) === ext
+ );
+ })
+ .map(ext => {
+ const l = obj.request.length;
+ return {
+ context: obj.context,
+ request: obj.request.substr(0, l - ext.length)
+ };
+ })
+ .concat(obj);
+ })
+ .reduce((a, b) => a.concat(b), []);
+ }
+ );
+
+ contextModuleFactory.hooks.alternatives.tap(
+ "RequireContextPlugin",
+ items => {
+ if (items.length === 0) return items;
+ return items
+ .map(obj => {
+ return this.mainFiles
+ .filter(mainFile => {
+ const l = obj.request.length;
+ return (
+ l > mainFile.length + 1 &&
+ obj.request.substr(l - mainFile.length - 1, l) ===
+ "/" + mainFile
+ );
+ })
+ .map(mainFile => {
+ const l = obj.request.length;
+ return [
+ {
+ context: obj.context,
+ request: obj.request.substr(0, l - mainFile.length)
+ },
+ {
+ context: obj.context,
+ request: obj.request.substr(0, l - mainFile.length - 1)
+ }
+ ];
+ })
+ .reduce((a, b) => a.concat(b), [])
+ .concat(obj);
+ })
+ .reduce((a, b) => a.concat(b), []);
+ }
+ );
+
+ contextModuleFactory.hooks.alternatives.tap(
+ "RequireContextPlugin",
+ items => {
+ if (items.length === 0) return items;
+ return items.map(obj => {
+ for (let i = 0; i < this.modulesDirectories.length; i++) {
+ const dir = this.modulesDirectories[i];
+ const idx = obj.request.indexOf("./" + dir + "/");
+ if (idx === 0) {
+ obj.request = obj.request.slice(dir.length + 3);
+ break;
+ }
+ }
+ return obj;
+ });
+ }
+ );
+ }
+ );
+ }
+}
+module.exports = RequireContextPlugin;