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72 lines
1.9 KiB
72 lines
1.9 KiB
2 years ago
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// @ts-check
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/** @typedef {import("webpack/lib/Compilation.js")} WebpackCompilation */
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/** @typedef {import("webpack/lib/FileSystemInfo").Snapshot} Snapshot */
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'use strict';
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/**
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*
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* @param {{fileDependencies: string[], contextDependencies: string[], missingDependencies: string[]}} fileDependencies
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* @param {WebpackCompilation} mainCompilation
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* @param {number} startTime
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*/
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function createSnapshot (fileDependencies, mainCompilation, startTime) {
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return new Promise((resolve, reject) => {
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mainCompilation.fileSystemInfo.createSnapshot(
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startTime,
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fileDependencies.fileDependencies,
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fileDependencies.contextDependencies,
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fileDependencies.missingDependencies,
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null,
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(err, snapshot) => {
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if (err) {
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return reject(err);
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}
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resolve(snapshot);
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}
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);
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});
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}
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/**
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* Returns true if the files inside this snapshot
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* have not been changed
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*
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* @param {Snapshot} snapshot
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* @param {WebpackCompilation} mainCompilation
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* @returns {Promise<boolean>}
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*/
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function isSnapShotValid (snapshot, mainCompilation) {
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return new Promise((resolve, reject) => {
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mainCompilation.fileSystemInfo.checkSnapshotValid(
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snapshot,
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(err, isValid) => {
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if (err) {
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reject(err);
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}
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resolve(isValid);
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}
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);
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});
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}
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/**
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* Ensure that the files keep watched for changes
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* and will trigger a recompile
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*
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* @param {WebpackCompilation} mainCompilation
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* @param {{fileDependencies: string[], contextDependencies: string[], missingDependencies: string[]}} fileDependencies
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*/
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function watchFiles (mainCompilation, fileDependencies) {
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Object.keys(fileDependencies).forEach((depencyTypes) => {
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fileDependencies[depencyTypes].forEach(fileDependency => {
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mainCompilation[depencyTypes].add(fileDependency);
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});
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});
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}
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module.exports = {
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createSnapshot,
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isSnapShotValid,
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watchFiles
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};
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