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InclusiveNodeWatchFileSystem.js
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Sat, Dec 14, 14:02

InclusiveNodeWatchFileSystem.js

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const chokidar_1 = __importDefault(require("chokidar"));
const path_1 = require("path");
const reporter_1 = require("../reporter");
const minimatch_1 = __importDefault(require("minimatch"));
const BUILTIN_IGNORED_DIRS = ['node_modules', '.git', '.yarn', '.pnp'];
function createIsIgnored(ignored, excluded) {
const ignoredPatterns = ignored ? (Array.isArray(ignored) ? ignored : [ignored]) : [];
const ignoredFunctions = ignoredPatterns.map((pattern) => {
// ensure patterns are valid - see https://github.com/TypeStrong/fork-ts-checker-webpack-plugin/issues/594
if (typeof pattern === 'string') {
return (path) => minimatch_1.default(path, pattern);
}
else if (typeof pattern === 'function') {
return pattern;
}
else if (pattern instanceof RegExp) {
return (path) => pattern.test(path);
}
else {
// fallback to no-ignore function
return () => false;
}
});
ignoredFunctions.push((path) => excluded.some((excludedPath) => path.startsWith(excludedPath)));
ignoredFunctions.push((path) => BUILTIN_IGNORED_DIRS.some((ignoredDir) => path.includes(`/${ignoredDir}/`) || path.includes(`\\${ignoredDir}\\`)));
return function isIgnored(path) {
return ignoredFunctions.some((ignoredFunction) => ignoredFunction(path));
};
}
class InclusiveNodeWatchFileSystem {
constructor(watchFileSystem, compiler, pluginState) {
this.watchFileSystem = watchFileSystem;
this.compiler = compiler;
this.pluginState = pluginState;
this.paused = true;
this.dirsWatchers = new Map();
}
get watcher() {
var _a;
return this.watchFileSystem.watcher || ((_a = this.watchFileSystem.wfs) === null || _a === void 0 ? void 0 : _a.watcher);
}
watch(files, dirs, missing, startTime, options, callback, callbackUndelayed) {
var _a, _b, _c, _d;
reporter_1.clearFilesChange(this.compiler);
const isIgnored = createIsIgnored(options === null || options === void 0 ? void 0 : options.ignored, ((_a = this.pluginState.lastDependencies) === null || _a === void 0 ? void 0 : _a.excluded) || []);
// use standard watch file system for files and missing
const standardWatcher = this.watchFileSystem.watch(files, dirs, missing, startTime, options, callback, callbackUndelayed);
(_b = this.watcher) === null || _b === void 0 ? void 0 : _b.on('change', (file) => {
if (typeof file === 'string' && !isIgnored(file)) {
reporter_1.updateFilesChange(this.compiler, { changedFiles: [file] });
}
});
(_c = this.watcher) === null || _c === void 0 ? void 0 : _c.on('remove', (file) => {
if (typeof file === 'string' && !isIgnored(file)) {
reporter_1.updateFilesChange(this.compiler, { deletedFiles: [file] });
}
});
// calculate what to change
const prevDirs = Array.from(this.dirsWatchers.keys());
const nextDirs = Array.from(((_d = this.pluginState.lastDependencies) === null || _d === void 0 ? void 0 : _d.dirs) || []);
const dirsToUnwatch = prevDirs.filter((prevDir) => !nextDirs.includes(prevDir));
const dirsToWatch = nextDirs.filter((nextDir) => !prevDirs.includes(nextDir) && !isIgnored(nextDir));
// update dirs watcher
dirsToUnwatch.forEach((dirToUnwatch) => {
var _a;
(_a = this.dirsWatchers.get(dirToUnwatch)) === null || _a === void 0 ? void 0 : _a.close();
this.dirsWatchers.delete(dirToUnwatch);
});
dirsToWatch.forEach((dirToWatch) => {
const interval = typeof (options === null || options === void 0 ? void 0 : options.poll) === 'number' ? options.poll : undefined;
const dirWatcher = chokidar_1.default.watch(dirToWatch, {
ignoreInitial: true,
ignorePermissionErrors: true,
ignored: (path) => isIgnored(path),
usePolling: (options === null || options === void 0 ? void 0 : options.poll) ? true : undefined,
interval: interval,
binaryInterval: interval,
alwaysStat: true,
atomic: true,
awaitWriteFinish: true,
});
dirWatcher.on('add', (file, stats) => {
var _a, _b;
if (this.paused) {
return;
}
const extension = path_1.extname(file);
const supportedExtensions = ((_a = this.pluginState.lastDependencies) === null || _a === void 0 ? void 0 : _a.extensions) || [];
if (!supportedExtensions.includes(extension)) {
return;
}
reporter_1.updateFilesChange(this.compiler, { changedFiles: [file] });
const mtime = (stats === null || stats === void 0 ? void 0 : stats.mtimeMs) || (stats === null || stats === void 0 ? void 0 : stats.ctimeMs) || 1;
(_b = this.watcher) === null || _b === void 0 ? void 0 : _b._onChange(dirToWatch, mtime, file, 'rename');
});
dirWatcher.on('unlink', (file) => {
var _a, _b;
if (this.paused) {
return;
}
const extension = path_1.extname(file);
const supportedExtensions = ((_a = this.pluginState.lastDependencies) === null || _a === void 0 ? void 0 : _a.extensions) || [];
if (!supportedExtensions.includes(extension)) {
return;
}
reporter_1.updateFilesChange(this.compiler, { deletedFiles: [file] });
(_b = this.watcher) === null || _b === void 0 ? void 0 : _b._onRemove(dirToWatch, file, 'rename');
});
this.dirsWatchers.set(dirToWatch, dirWatcher);
});
this.paused = false;
return Object.assign(Object.assign({}, standardWatcher), { close: () => {
reporter_1.clearFilesChange(this.compiler);
if (standardWatcher) {
standardWatcher.close();
}
this.dirsWatchers.forEach((dirWatcher) => {
dirWatcher === null || dirWatcher === void 0 ? void 0 : dirWatcher.close();
});
this.dirsWatchers.clear();
this.paused = true;
}, pause: () => {
if (standardWatcher) {
standardWatcher.pause();
}
this.paused = true;
} });
}
}
exports.InclusiveNodeWatchFileSystem = InclusiveNodeWatchFileSystem;

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