| /* |
| MIT License http://www.opensource.org/licenses/mit-license.php |
| Author Tobias Koppers @sokra |
| */ |
| "use strict"; |
| |
| const concord = require("./concord"); |
| const DescriptionFileUtils = require("./DescriptionFileUtils"); |
| const forEachBail = require("./forEachBail"); |
| |
| module.exports = class ConcordExtensionsPlugin { |
| constructor(source, options, target) { |
| this.source = source; |
| this.options = options; |
| this.target = target; |
| } |
| |
| apply(resolver) { |
| const target = resolver.ensureHook(this.target); |
| resolver |
| .getHook(this.source) |
| .tapAsync( |
| "ConcordExtensionsPlugin", |
| (request, resolveContext, callback) => { |
| const concordField = DescriptionFileUtils.getField( |
| request.descriptionFileData, |
| "concord" |
| ); |
| if (!concordField) return callback(); |
| const extensions = concord.getExtensions( |
| request.context, |
| concordField |
| ); |
| if (!extensions) return callback(); |
| forEachBail( |
| extensions, |
| (appending, callback) => { |
| const obj = Object.assign({}, request, { |
| path: request.path + appending, |
| relativePath: |
| request.relativePath && request.relativePath + appending |
| }); |
| resolver.doResolve( |
| target, |
| obj, |
| "concord extension: " + appending, |
| resolveContext, |
| callback |
| ); |
| }, |
| (err, result) => { |
| if (err) return callback(err); |
| |
| // Don't allow other processing |
| if (result === undefined) return callback(null, null); |
| callback(null, result); |
| } |
| ); |
| } |
| ); |
| } |
| }; |