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app_vue/node_modules/webpack/lib/dependencies/RequireContextDependencyParserPlugin.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");
+
+/** @typedef {import("../ContextModule").ContextMode} ContextMode */
+/** @typedef {import("../Dependency").DependencyLocation} DependencyLocation */
+/** @typedef {import("../javascript/JavascriptParser")} JavascriptParser */
+/** @typedef {import("../javascript/JavascriptParser").Range} Range */
+
+const PLUGIN_NAME = "RequireContextDependencyParserPlugin";
+
+module.exports = class RequireContextDependencyParserPlugin {
+	/**
+	 * @param {JavascriptParser} parser the parser
+	 * @returns {void}
+	 */
+	apply(parser) {
+		parser.hooks.call.for("require.context").tap(PLUGIN_NAME, expr => {
+			let regExp = /^\.\/.*$/;
+			let recursive = true;
+			/** @type {ContextMode} */
+			let mode = "sync";
+			switch (expr.arguments.length) {
+				case 4: {
+					const modeExpr = parser.evaluateExpression(expr.arguments[3]);
+					if (!modeExpr.isString()) return;
+					mode = /** @type {ContextMode} */ (modeExpr.string);
+				}
+				// falls through
+				case 3: {
+					const regExpExpr = parser.evaluateExpression(expr.arguments[2]);
+					if (!regExpExpr.isRegExp()) return;
+					regExp = /** @type {RegExp} */ (regExpExpr.regExp);
+				}
+				// falls through
+				case 2: {
+					const recursiveExpr = parser.evaluateExpression(expr.arguments[1]);
+					if (!recursiveExpr.isBoolean()) return;
+					recursive = /** @type {boolean} */ (recursiveExpr.bool);
+				}
+				// falls through
+				case 1: {
+					const requestExpr = parser.evaluateExpression(expr.arguments[0]);
+					if (!requestExpr.isString()) return;
+					const dep = new RequireContextDependency(
+						{
+							request: /** @type {string} */ (requestExpr.string),
+							recursive,
+							regExp,
+							mode,
+							category: "commonjs"
+						},
+						/** @type {Range} */
+						(expr.range)
+					);
+					dep.loc = /** @type {DependencyLocation} */ (expr.loc);
+					dep.optional = Boolean(parser.scope.inTry);
+					parser.state.current.addDependency(dep);
+					return true;
+				}
+			}
+		});
+	}
+};