feat: add weakRef

.idea/vcs.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

.idea/workspace.xml

@@ -0,0 +1,55 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ChangeListManager">
+    <list default="true" id="df737647-19a6-4a5f-88a0-8ce9d29a36c8" name="Changes" comment="">
+      <change beforePath="$PROJECT_DIR$/package.json" beforeDir="false" afterPath="$PROJECT_DIR$/package.json" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/source/index.ts" beforeDir="false" afterPath="$PROJECT_DIR$/source/index.ts" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/test/test.ts" beforeDir="false" afterPath="$PROJECT_DIR$/test/test.ts" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/tsconfig.json" beforeDir="false" afterPath="$PROJECT_DIR$/tsconfig.json" afterDir="false" />
+    </list>
+    <option name="SHOW_DIALOG" value="false" />
+    <option name="HIGHLIGHT_CONFLICTS" value="true" />
+    <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
+    <option name="LAST_RESOLUTION" value="IGNORE" />
+  </component>
+  <component name="Git.Settings">
+    <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
+  </component>
+  <component name="MacroExpansionManager">
+    <option name="directoryName" value="hl7nkx35" />
+  </component>
+  <component name="MarkdownSettingsMigration">
+    <option name="stateVersion" value="1" />
+  </component>
+  <component name="ProjectId" id="25cK4TvoIxGKxbzN8247wytmhpC" />
+  <component name="ProjectViewState">
+    <option name="hideEmptyMiddlePackages" value="true" />
+    <option name="showLibraryContents" value="true" />
+  </component>
+  <component name="PropertiesComponent">
+    <property name="RunOnceActivity.OpenProjectViewOnStart" value="true" />
+    <property name="RunOnceActivity.ShowReadmeOnStart" value="true" />
+    <property name="WebServerToolWindowFactoryState" value="false" />
+    <property name="last_opened_file_path" value="$PROJECT_DIR$" />
+    <property name="nodejs_package_manager_path" value="npm" />
+    <property name="settings.editor.selected.configurable" value="reference.settingsdialog.IDE.editor.colors.JavaScript" />
+    <property name="ts.external.directory.path" value="$APPLICATION_HOME_DIR$/plugins/JavaScriptLanguage/jsLanguageServicesImpl/external" />
+    <property name="vue.rearranger.settings.migration" value="true" />
+  </component>
+  <component name="SpellCheckerSettings" RuntimeDictionaries="0" Folders="0" CustomDictionaries="0" DefaultDictionary="application-level" UseSingleDictionary="true" transferred="true" />
+  <component name="TaskManager">
+    <task active="true" id="Default" summary="Default task">
+      <changelist id="df737647-19a6-4a5f-88a0-8ce9d29a36c8" name="Changes" comment="" />
+      <created>1645820743983</created>
+      <option name="number" value="Default" />
+      <option name="presentableId" value="Default" />
+      <updated>1645820743983</updated>
+      <workItem from="1645820745885" duration="3571000" />
+      <workItem from="1645962952689" duration="7278000" />
+    </task>
+    <servers />
+  </component>
+  <component name="TypeScriptGeneratedFilesManager">
+    <option name="version" value="3" />
+  </component>
+</project>

package.json

@@ -56,11 +56,11 @@
 		"ava": "^3.3.0",
 		"del-cli": "^2.0.0",
 		"eslint-config-xo-typescript": "^0.26.0",
-		"jsdom": "^16.0.1",
+		"jsdom": "^19.0.0",
 		"rxjs": "^6.4.0",
 		"tempy": "^0.4.0",
 		"ts-node": "^8.3.0",
-		"typescript": "~3.8.2",
+		"typescript": "^4.6.2",
 		"xo": "^0.26.1",
 		"zen-observable": "^0.8.8"
 	},

readme.md

@@ -198,6 +198,7 @@ is.boundFunction(function () {});
 ##### .set(value)
 ##### .weakMap(value)
 ##### .weakSet(value)
+##### .weakRef(value)
 
 #### Typed arrays
 

source/index.ts

@@ -43,6 +43,7 @@ const objectTypeNames = [
 	'Set',
 	'WeakMap',
 	'WeakSet',
+	'WeakRef',
 	'ArrayBuffer',
 	'SharedArrayBuffer',
 	'DataView',
@@ -216,6 +217,7 @@ is.map = <Key = unknown, Value = unknown>(value: unknown): value is Map<Key, Val
 is.set = <T = unknown>(value: unknown): value is Set<T> => isObjectOfType<Set<T>>('Set')(value);
 is.weakMap = <Key extends object = object, Value = unknown>(value: unknown): value is WeakMap<Key, Value> => isObjectOfType<WeakMap<Key, Value>>('WeakMap')(value);
 is.weakSet = (value: unknown): value is WeakSet<object> => isObjectOfType<WeakSet<object>>('WeakSet')(value);
+is.weakRef = (value: unknown): value is WeakRef<object> => isObjectOfType<WeakRef<object>>('WeakRef')(value);
 
 is.int8Array = isObjectOfType<Int8Array>('Int8Array');
 is.uint8Array = isObjectOfType<Uint8Array>('Uint8Array');
@@ -306,10 +308,10 @@ const DOM_PROPERTIES_TO_CHECK: Array<(keyof HTMLElement)> = [
 
 is.domElement = (value: unknown): value is HTMLElement => {
 	return is.object(value) &&
-	(value as HTMLElement).nodeType === NODE_TYPE_ELEMENT &&
+		(value as HTMLElement).nodeType === NODE_TYPE_ELEMENT &&
-	is.string((value as HTMLElement).nodeName) &&
+		is.string((value as HTMLElement).nodeName) &&
-	!is.plainObject(value) &&
+		!is.plainObject(value) &&
-	DOM_PROPERTIES_TO_CHECK.every(property => property in value);
+		DOM_PROPERTIES_TO_CHECK.every(property => property in value);
 };
 
 is.observable = (value: unknown): value is ObservableLike => {
@@ -494,6 +496,7 @@ interface Assert {
 	set: <T = unknown>(value: unknown) => asserts value is Set<T>;
 	weakMap: <Key extends object = object, Value = unknown>(value: unknown) => asserts value is WeakMap<Key, Value>;
 	weakSet: <T extends object = object>(value: unknown) => asserts value is WeakSet<T>;
+	weakRef: <T extends object = object>(value: unknown) => asserts value is WeakRef<T>;
 	int8Array: (value: unknown) => asserts value is Int8Array;
 	uint8Array: (value: unknown) => asserts value is Uint8Array;
 	uint8ClampedArray: (value: unknown) => asserts value is Uint8ClampedArray;
@@ -597,6 +600,7 @@ export const assert: Assert = {
 	set: <T = unknown>(value: unknown): asserts value is Set<T> => assertType(is.set(value), 'Set', value),
 	weakMap: <Key extends object = object, Value = unknown>(value: unknown): asserts value is WeakMap<Key, Value> => assertType(is.weakMap(value), 'WeakMap', value),
 	weakSet: <T extends object = object>(value: unknown): asserts value is WeakSet<T> => assertType(is.weakSet(value), 'WeakSet', value),
+	weakRef: <T extends object = object>(value: unknown): asserts value is WeakRef<T> => assertType(is.weakRef(value), 'WeakRef', value),
 	int8Array: (value: unknown): asserts value is Int8Array => assertType(is.int8Array(value), 'Int8Array', value),
 	uint8Array: (value: unknown): asserts value is Uint8Array => assertType(is.uint8Array(value), 'Uint8Array', value),
 	uint8ClampedArray: (value: unknown): asserts value is Uint8ClampedArray => assertType(is.uint8ClampedArray(value), 'Uint8ClampedArray', value),

test/test.ts

@@ -343,6 +343,14 @@ const types = new Map<string, Test>([
 		],
 		typename: 'WeakMap'
 	}],
+	['weakSet', {
+		is: is.weakRef,
+		assert: assert.weakRef,
+		fixtures: [
+			new window.WeakRef({})
+		],
+		typename: 'WeakRef'
+	}],
 	['int8Array', {
 		is: is.int8Array,
 		assert: assert.int8Array,
@@ -1203,7 +1211,7 @@ test('is.arrayLike', t => {
 	t.false(is.arrayLike(new Map()));
 
 	(function () {
-		t.notThrows(() => {
+		t.notThrows(function () {
 			assert.arrayLike(arguments); // eslint-disable-line prefer-rest-params
 		});
 	})();

tsconfig.json

@@ -4,11 +4,11 @@
 		"outDir": "dist",
 		"target": "es2018",
 		"lib": [
-			"es2018",
+		  	"ESNext",
 			"dom"
-		]
+		],
 	},
-	"include": [
+  "include": [
 		"source"
 	]
 }

tsconfig.xo.json

@@ -1,6 +1,9 @@
 {
 	"extends": "./tsconfig.json",
+	"compilerOptions": {
+	  "downlevelIteration": true
+	},
 	"include": [
-		"test"
+		  "test"
-	]
+	  ]
 }