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5 | "use strict";
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6 |
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7 | const path = require("path");
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8 | const concord = require("./concord");
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9 | const DescriptionFileUtils = require("./DescriptionFileUtils");
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10 |
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11 | module.exports = class ConcordMainPlugin {
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12 | constructor(source, options, target) {
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13 | this.source = source;
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14 | this.options = options;
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15 | this.target = target;
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16 | }
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17 |
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18 | apply(resolver) {
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19 | const target = resolver.ensureHook(this.target);
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20 | resolver.getHook(this.source).tapAsync("ConcordMainPlugin", (request, resolveContext, callback) => {
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21 | if(request.path !== request.descriptionFileRoot) return callback();
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22 | const concordField = DescriptionFileUtils.getField(request.descriptionFileData, "concord");
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23 | if(!concordField) return callback();
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24 | const mainModule = concord.getMain(request.context, concordField);
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25 | if(!mainModule) return callback();
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26 | const obj = Object.assign({}, request, {
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27 | request: mainModule
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28 | });
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29 | const filename = path.basename(request.descriptionFilePath);
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30 | return resolver.doResolve(target, obj, "use " + mainModule + " from " + filename, resolveContext, callback);
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31 | });
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32 | }
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33 | };
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