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