feat: initial commit

node_modules/enhanced-resolve/lib/DescriptionFilePlugin.js

@@ -0,0 +1,98 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+
+"use strict";
+
+const DescriptionFileUtils = require("./DescriptionFileUtils");
+
+/** @typedef {import("./Resolver")} Resolver */
+/** @typedef {import("./Resolver").ResolveRequest} ResolveRequest */
+/** @typedef {import("./Resolver").ResolveStepHook} ResolveStepHook */
+
+module.exports = class DescriptionFilePlugin {
+	/**
+	 * @param {string | ResolveStepHook} source source
+	 * @param {string[]} filenames filenames
+	 * @param {boolean} pathIsFile pathIsFile
+	 * @param {string | ResolveStepHook} target target
+	 */
+	constructor(source, filenames, pathIsFile, target) {
+		this.source = source;
+		this.filenames = filenames;
+		this.pathIsFile = pathIsFile;
+		this.target = target;
+	}
+
+	/**
+	 * @param {Resolver} resolver the resolver
+	 * @returns {void}
+	 */
+	apply(resolver) {
+		const target = resolver.ensureHook(this.target);
+		resolver
+			.getHook(this.source)
+			.tapAsync(
+				"DescriptionFilePlugin",
+				(request, resolveContext, callback) => {
+					const path = request.path;
+					if (!path) return callback();
+					const directory = this.pathIsFile
+						? DescriptionFileUtils.cdUp(path)
+						: path;
+					if (!directory) return callback();
+					DescriptionFileUtils.loadDescriptionFile(
+						resolver,
+						directory,
+						this.filenames,
+						request.descriptionFilePath
+							? {
+									path: request.descriptionFilePath,
+									content: request.descriptionFileData,
+									directory: /** @type {string} */ (request.descriptionFileRoot)
+							  }
+							: undefined,
+						resolveContext,
+						(err, result) => {
+							if (err) return callback(err);
+							if (!result) {
+								if (resolveContext.log)
+									resolveContext.log(
+										`No description file found in ${directory} or above`
+									);
+								return callback();
+							}
+							const relativePath =
+								"." + path.slice(result.directory.length).replace(/\\/g, "/");
+							/** @type {ResolveRequest} */
+							const obj = {
+								...request,
+								descriptionFilePath: result.path,
+								descriptionFileData: result.content,
+								descriptionFileRoot: result.directory,
+								relativePath: relativePath
+							};
+							resolver.doResolve(
+								target,
+								obj,
+								"using description file: " +
+									result.path +
+									" (relative path: " +
+									relativePath +
+									")",
+								resolveContext,
+								(err, result) => {
+									if (err) return callback(err);
+
+									// Don't allow other processing
+									if (result === undefined) return callback(null, null);
+									callback(null, result);
+								}
+							);
+						}
+					);
+				}
+			);
+	}
+};