test: migrate to jest

Author: alexander-akait

.github/workflows/test.yml

@@ -72,9 +72,9 @@ jobs:
           architecture: ${{ steps.calculate_architecture.outputs.result }}
           cache: "npm"
       - run: npm install --ignore-engines
-        if: matrix.node-version == '10.x' || matrix.node-version == '12.x' || matrix.node-version == '14.x' || matrix.node-version == '16.x'
+        if: matrix.node-version == '10.x' || matrix.node-version == '12.x' || matrix.node-version == '14.x'
       - run: npm ci
-        if: matrix.node-version != '10.x' && matrix.node-version != '12.x' && matrix.node-version != '14.x' && matrix.node-version != '16.x'
+        if: matrix.node-version != '10.x' && matrix.node-version != '12.x' && matrix.node-version != '14.x'
       - run: npm run test:coverage
         env:
           WATCHPACK_POLLING: ${{ matrix.polling }}

lib/DirectoryWatcher.js

@@ -5,8 +5,8 @@
 "use strict";
 
 const { EventEmitter } = require("events");
-const fs = require("graceful-fs");
 const path = require("path");
+const fs = require("graceful-fs");
 
 const watchEventSource = require("./watchEventSource");
 
@@ -954,5 +954,5 @@ class DirectoryWatcher extends EventEmitter {
 }
 
 module.exports = DirectoryWatcher;
-module.exports.Watcher = Watcher;
 module.exports.EXISTANCE_ONLY_TIME_ENTRY = EXISTANCE_ONLY_TIME_ENTRY;
+module.exports.Watcher = Watcher;

lib/index.js

@@ -4,18 +4,18 @@
 */
 "use strict";
 
-const getWatcherManager = require("./getWatcherManager");
-const LinkResolver = require("./LinkResolver");
 const { EventEmitter } = require("events");
 const globToRegExp = require("glob-to-regexp");
+const LinkResolver = require("./LinkResolver");
+const getWatcherManager = require("./getWatcherManager");
 const watchEventSource = require("./watchEventSource");
 
 /** @typedef {import("./getWatcherManager").WatcherManager} WatcherManager */
 /** @typedef {import("./DirectoryWatcher")} DirectoryWatcher */
 /** @typedef {import("./DirectoryWatcher").DirectoryWatcherEvents} DirectoryWatcherEvents */
 /** @typedef {import("./DirectoryWatcher").FileWatcherEvents} FileWatcherEvents */
 
-// eslint-disable-next-line jsdoc/no-restricted-syntax
+// eslint-disable-next-line jsdoc/reject-any-type
 /** @typedef {Record<string, (...args: any[]) => any>} EventMap */
 
 /**
@@ -45,6 +45,7 @@ const watchEventSource = require("./watchEventSource");
 /** @typedef {`scan (${string})` | "change" | "rename" | `watch ${string}` | `directory-removed ${string}`} EventType */
 /** @typedef {{ safeTime: number, timestamp: number, accuracy: number }} Entry */
 /** @typedef {{ safeTime: number }} OnlySafeTimeEntry */
+// eslint-disable-next-line jsdoc/ts-no-empty-object-type
 /** @typedef {{}} ExistanceOnlyTimeEntry */
 /** @typedef {Map<string, Entry | OnlySafeTimeEntry | ExistanceOnlyTimeEntry | null>} TimeInfoEntries */
 /** @typedef {Set<string>} Changes */

lib/watchEventSource.js

@@ -4,9 +4,9 @@
 */
 "use strict";
 
+const { EventEmitter } = require("events");
 const fs = require("fs");
 const path = require("path");
-const { EventEmitter } = require("events");
 const reducePlan = require("./reducePlan");
 
 /** @typedef {import("fs").FSWatcher} FSWatcher */
@@ -398,10 +398,26 @@ const execute = () => {
 	}
 };
 
+/**
+ * @param {() => void} fn a function
+ */
+module.exports.Watcher = Watcher;
+module.exports.batch = (fn) => {
+	isBatch = true;
+	try {
+		fn();
+	} finally {
+		isBatch = false;
+		execute();
+	}
+};
+
 /**
  * @param {string} filePath a file path
  * @returns {Watcher} watcher
  */
+module.exports.createHandleChangeEvent = createHandleChangeEvent;
+module.exports.getNumberOfWatchers = () => watcherCount;
 module.exports.watch = (filePath) => {
 	const watcher = new Watcher();
 	// Find an existing watcher
@@ -427,20 +443,4 @@ module.exports.watch = (filePath) => {
 	return watcher;
 };
 
-/**
- * @param {() => void} fn a function
- */
-module.exports.batch = (fn) => {
-	isBatch = true;
-	try {
-		fn();
-	} finally {
-		isBatch = false;
-		execute();
-	}
-};
-
-module.exports.getNumberOfWatchers = () => watcherCount;
-module.exports.createHandleChangeEvent = createHandleChangeEvent;
 module.exports.watcherLimit = watcherLimit;
-module.exports.Watcher = Watcher;