tenebrous-dicebot/api/node_modules/enhanced-resolve/lib/ConcordMainPlugin.js

45 lines
1.2 KiB
JavaScript

/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const path = require("path");
const concord = require("./concord");
const DescriptionFileUtils = require("./DescriptionFileUtils");
module.exports = class ConcordMainPlugin {
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("ConcordMainPlugin", (request, resolveContext, callback) => {
if (request.path !== request.descriptionFileRoot) return callback();
const concordField = DescriptionFileUtils.getField(
request.descriptionFileData,
"concord"
);
if (!concordField) return callback();
const mainModule = concord.getMain(request.context, concordField);
if (!mainModule) return callback();
const obj = Object.assign({}, request, {
request: mainModule
});
const filename = path.basename(request.descriptionFilePath);
return resolver.doResolve(
target,
obj,
"use " + mainModule + " from " + filename,
resolveContext,
callback
);
});
}
};