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6 | "use strict";
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7 |
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8 | const DelegatedModule = require("./DelegatedModule");
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9 |
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10 |
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15 |
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16 | class DelegatedModuleFactoryPlugin {
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17 | constructor(options) {
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18 | this.options = options;
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19 | options.type = options.type || "require";
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20 | options.extensions = options.extensions || ["", ".js", ".json", ".wasm"];
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21 | }
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22 |
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23 | apply(normalModuleFactory) {
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24 | const scope = this.options.scope;
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25 | if (scope) {
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26 | normalModuleFactory.hooks.factorize.tapAsync(
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27 | "DelegatedModuleFactoryPlugin",
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28 | (data, callback) => {
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29 | const [dependency] = data.dependencies;
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30 | const { request } = dependency;
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31 | if (request && request.startsWith(`${scope}/`)) {
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32 | const innerRequest = "." + request.substr(scope.length);
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33 | let resolved;
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34 | if (innerRequest in this.options.content) {
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35 | resolved = this.options.content[innerRequest];
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36 | return callback(
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37 | null,
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38 | new DelegatedModule(
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39 | this.options.source,
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40 | resolved,
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41 | this.options.type,
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42 | innerRequest,
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43 | request
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44 | )
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45 | );
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46 | }
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47 | for (let i = 0; i < this.options.extensions.length; i++) {
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48 | const extension = this.options.extensions[i];
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49 | const requestPlusExt = innerRequest + extension;
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50 | if (requestPlusExt in this.options.content) {
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51 | resolved = this.options.content[requestPlusExt];
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52 | return callback(
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53 | null,
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54 | new DelegatedModule(
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55 | this.options.source,
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56 | resolved,
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57 | this.options.type,
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58 | requestPlusExt,
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59 | request + extension
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60 | )
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61 | );
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62 | }
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63 | }
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64 | }
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65 | return callback();
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66 | }
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67 | );
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68 | } else {
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69 | normalModuleFactory.hooks.module.tap(
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70 | "DelegatedModuleFactoryPlugin",
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71 | module => {
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72 | const request = module.libIdent(this.options);
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73 | if (request) {
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74 | if (request in this.options.content) {
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75 | const resolved = this.options.content[request];
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76 | return new DelegatedModule(
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77 | this.options.source,
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78 | resolved,
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79 | this.options.type,
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80 | request,
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81 | module
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82 | );
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83 | }
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84 | }
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85 | return module;
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86 | }
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87 | );
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88 | }
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89 | }
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90 | }
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91 | module.exports = DelegatedModuleFactoryPlugin;
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