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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/enhanced-resolve/lib/AliasFieldPlugin.js
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api, login, auth
Diffstat (limited to 'node_modules/enhanced-resolve/lib/AliasFieldPlugin.js')
-rw-r--r--node_modules/enhanced-resolve/lib/AliasFieldPlugin.js74
1 files changed, 74 insertions, 0 deletions
diff --git a/node_modules/enhanced-resolve/lib/AliasFieldPlugin.js b/node_modules/enhanced-resolve/lib/AliasFieldPlugin.js
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+++ b/node_modules/enhanced-resolve/lib/AliasFieldPlugin.js
@@ -0,0 +1,74 @@
+/*
+ MIT License http://www.opensource.org/licenses/mit-license.php
+ Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const DescriptionFileUtils = require("./DescriptionFileUtils");
+const getInnerRequest = require("./getInnerRequest");
+
+module.exports = class AliasFieldPlugin {
+ constructor(source, field, target) {
+ this.source = source;
+ this.field = field;
+ this.target = target;
+ }
+
+ apply(resolver) {
+ const target = resolver.ensureHook(this.target);
+ resolver
+ .getHook(this.source)
+ .tapAsync("AliasFieldPlugin", (request, resolveContext, callback) => {
+ if (!request.descriptionFileData) return callback();
+ const innerRequest = getInnerRequest(resolver, request);
+ if (!innerRequest) return callback();
+ const fieldData = DescriptionFileUtils.getField(
+ request.descriptionFileData,
+ this.field
+ );
+ if (typeof fieldData !== "object") {
+ if (resolveContext.log)
+ resolveContext.log(
+ "Field '" +
+ this.field +
+ "' doesn't contain a valid alias configuration"
+ );
+ return callback();
+ }
+ const data1 = fieldData[innerRequest];
+ const data2 = fieldData[innerRequest.replace(/^\.\//, "")];
+ const data = typeof data1 !== "undefined" ? data1 : data2;
+ if (data === innerRequest) return callback();
+ if (data === undefined) return callback();
+ if (data === false) {
+ const ignoreObj = Object.assign({}, request, {
+ path: false
+ });
+ return callback(null, ignoreObj);
+ }
+ const obj = Object.assign({}, request, {
+ path: request.descriptionFileRoot,
+ request: data
+ });
+ resolver.doResolve(
+ target,
+ obj,
+ "aliased from description file " +
+ request.descriptionFilePath +
+ " with mapping '" +
+ innerRequest +
+ "' to '" +
+ data +
+ "'",
+ resolveContext,
+ (err, result) => {
+ if (err) return callback(err);
+
+ // Don't allow other aliasing or raw request
+ if (result === undefined) return callback(null, null);
+ callback(null, result);
+ }
+ );
+ });
+ }
+};