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6 | "use strict";
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7 |
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8 | const { groupBy } = require("./util/ArrayHelpers");
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9 | const createSchemaValidation = require("./util/create-schema-validation");
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10 |
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11 |
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12 |
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13 |
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14 |
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15 | const validate = createSchemaValidation(
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16 | require("../schemas/plugins/WatchIgnorePlugin.check.js"),
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17 | () => require("../schemas/plugins/WatchIgnorePlugin.json"),
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18 | {
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19 | name: "Watch Ignore Plugin",
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20 | baseDataPath: "options"
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21 | }
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22 | );
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23 |
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24 | const IGNORE_TIME_ENTRY = "ignore";
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25 |
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26 | class IgnoringWatchFileSystem {
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27 | |
28 |
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29 |
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30 |
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31 | constructor(wfs, paths) {
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32 | this.wfs = wfs;
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33 | this.paths = paths;
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34 | }
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35 |
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36 | watch(files, dirs, missing, startTime, options, callback, callbackUndelayed) {
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37 | files = Array.from(files);
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38 | dirs = Array.from(dirs);
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39 | const ignored = path =>
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40 | this.paths.some(p =>
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41 | p instanceof RegExp ? p.test(path) : path.indexOf(p) === 0
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42 | );
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43 |
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44 | const [ignoredFiles, notIgnoredFiles] = groupBy(files, ignored);
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45 | const [ignoredDirs, notIgnoredDirs] = groupBy(dirs, ignored);
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46 |
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47 | const watcher = this.wfs.watch(
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48 | notIgnoredFiles,
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49 | notIgnoredDirs,
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50 | missing,
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51 | startTime,
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52 | options,
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53 | (err, fileTimestamps, dirTimestamps, changedFiles, removedFiles) => {
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54 | if (err) return callback(err);
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55 | for (const path of ignoredFiles) {
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56 | fileTimestamps.set(path, IGNORE_TIME_ENTRY);
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57 | }
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58 |
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59 | for (const path of ignoredDirs) {
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60 | dirTimestamps.set(path, IGNORE_TIME_ENTRY);
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61 | }
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62 |
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63 | callback(
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64 | err,
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65 | fileTimestamps,
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66 | dirTimestamps,
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67 | changedFiles,
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68 | removedFiles
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69 | );
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70 | },
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71 | callbackUndelayed
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72 | );
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73 |
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74 | return {
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75 | close: () => watcher.close(),
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76 | pause: () => watcher.pause(),
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77 | getContextTimeInfoEntries: () => {
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78 | const dirTimestamps = watcher.getContextTimeInfoEntries();
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79 | for (const path of ignoredDirs) {
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80 | dirTimestamps.set(path, IGNORE_TIME_ENTRY);
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81 | }
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82 | return dirTimestamps;
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83 | },
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84 | getFileTimeInfoEntries: () => {
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85 | const fileTimestamps = watcher.getFileTimeInfoEntries();
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86 | for (const path of ignoredFiles) {
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87 | fileTimestamps.set(path, IGNORE_TIME_ENTRY);
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88 | }
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89 | return fileTimestamps;
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90 | },
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91 | getInfo:
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92 | watcher.getInfo &&
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93 | (() => {
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94 | const info = watcher.getInfo();
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95 | const { fileTimeInfoEntries, contextTimeInfoEntries } = info;
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96 | for (const path of ignoredFiles) {
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97 | fileTimeInfoEntries.set(path, IGNORE_TIME_ENTRY);
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98 | }
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99 | for (const path of ignoredDirs) {
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100 | contextTimeInfoEntries.set(path, IGNORE_TIME_ENTRY);
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101 | }
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102 | return info;
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103 | })
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104 | };
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105 | }
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106 | }
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107 |
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108 | class WatchIgnorePlugin {
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109 | |
110 |
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111 |
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112 | constructor(options) {
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113 | validate(options);
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114 | this.paths = options.paths;
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115 | }
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116 |
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117 | |
118 |
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119 |
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120 |
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121 |
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122 | apply(compiler) {
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123 | compiler.hooks.afterEnvironment.tap("WatchIgnorePlugin", () => {
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124 | compiler.watchFileSystem = new IgnoringWatchFileSystem(
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125 | compiler.watchFileSystem,
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126 | this.paths
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127 | );
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128 | });
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129 | }
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130 | }
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131 |
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132 | module.exports = WatchIgnorePlugin;
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