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4 |
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5 | "use strict";
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6 |
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7 | const DescriptionFileUtils = require("./DescriptionFileUtils");
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8 |
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9 | module.exports = class DescriptionFilePlugin {
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10 | constructor(source, filenames, target) {
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11 | this.source = source;
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12 | this.filenames = [].concat(filenames);
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13 | this.target = target;
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14 | }
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15 |
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16 | apply(resolver) {
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17 | const target = resolver.ensureHook(this.target);
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18 | resolver.getHook(this.source).tapAsync("DescriptionFilePlugin", (request, resolveContext, callback) => {
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19 | const directory = request.path;
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20 | DescriptionFileUtils.loadDescriptionFile(resolver, directory, this.filenames, resolveContext, (err, result) => {
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21 | if(err) return callback(err);
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22 | if(!result) {
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23 | if(resolveContext.missing) {
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24 | this.filenames.forEach((filename) => {
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25 | resolveContext.missing.add(resolver.join(directory, filename));
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26 | });
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27 | }
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28 | if(resolveContext.log) resolveContext.log("No description file found");
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29 | return callback();
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30 | }
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31 | const relativePath = "." + request.path.substr(result.directory.length).replace(/\\/g, "/");
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32 | const obj = Object.assign({}, request, {
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33 | descriptionFilePath: result.path,
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34 | descriptionFileData: result.content,
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35 | descriptionFileRoot: result.directory,
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36 | relativePath: relativePath
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37 | });
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38 | resolver.doResolve(target, obj, "using description file: " + result.path + " (relative path: " + relativePath + ")", resolveContext, (err, result) => {
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39 | if(err) return callback(err);
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40 |
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41 |
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42 | if(result === undefined) return callback(null, null);
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43 | callback(null, result);
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44 | });
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45 | });
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46 | });
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47 | }
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48 | };
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