repo stringlengths 5 106 | file_url stringlengths 78 301 | file_path stringlengths 4 211 | content stringlengths 0 32.8k | language stringclasses 1
value | license stringclasses 7
values | commit_sha stringlengths 40 40 | retrieved_at stringdate 2026-01-04 14:56:49 2026-01-05 02:23:25 | truncated bool 2
classes |
|---|---|---|---|---|---|---|---|---|
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/compat/test/browser/testUtils.js | compat/test/browser/testUtils.js | /**
* Retrieve a Symbol if supported or use the fallback value
* @param {string} name The name of the Symbol to look up
* @param {number} fallback Fallback value if Symbols are not supported
*/
export function getSymbol(name, fallback) {
let out = fallback;
try {
// eslint-disable-next-line
if (
Function.... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/compat/test/browser/PureComponent.test.jsx | compat/test/browser/PureComponent.test.jsx | import React, { createElement } from 'preact/compat';
import { setupRerender } from 'preact/test-utils';
import { setupScratch, teardown } from '../../../test/_util/helpers';
import { vi } from 'vitest';
describe('PureComponent', () => {
/** @type {HTMLDivElement} */
let scratch;
/** @type {() => void} */
let rer... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/compat/test/browser/hooks.test.jsx | compat/test/browser/hooks.test.jsx | import { createContext } from 'preact';
import {
createElement,
useDeferredValue,
useInsertionEffect,
useTransition,
render,
useState,
useContext,
useEffect
} from 'preact/compat';
import { setupRerender, act } from 'preact/test-utils';
import { setupScratch, teardown } from '../../../test/_util/helpers';
impor... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/compat/test/browser/componentDidCatch.test.jsx | compat/test/browser/componentDidCatch.test.jsx | import { createElement, render, Component } from 'preact/compat';
import { setupScratch, teardown } from '../../../test/_util/helpers';
import { act } from 'preact/test-utils';
describe('componentDidCatch', () => {
let scratch;
beforeEach(() => {
scratch = setupScratch();
});
afterEach(() => {
teardown(scrat... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/compat/test/browser/compat.options.test.jsx | compat/test/browser/compat.options.test.jsx | import { vnodeSpy, eventSpy } from '../../../test/_util/optionSpies';
import {
createElement,
render,
Component,
createRef
} from 'preact/compat';
import { setupRerender } from 'preact/test-utils';
import {
setupScratch,
teardown,
createEvent
} from '../../../test/_util/helpers';
describe('compat options', () =... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/devtools/src/index.js | devtools/src/index.js | import { options } from 'preact';
import { initDevTools } from './devtools';
initDevTools();
/**
* Display a custom label for a custom hook for the devtools panel
* @type {<T>(value: T, name: string) => T}
*/
export function addHookName(value, name) {
if (options._addHookName) {
options._addHookName(name);
}
... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/devtools/src/devtools.js | devtools/src/devtools.js | import { Component, Fragment, options } from 'preact';
export function initDevTools() {
const globalVar =
typeof globalThis !== 'undefined'
? globalThis
: typeof window !== 'undefined'
? window
: undefined;
if (
globalVar !== null &&
globalVar !== undefined &&
globalVar.__PREACT_DEVTOOLS__
) ... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/devtools/test/browser/addHookName.test.jsx | devtools/test/browser/addHookName.test.jsx | import { createElement, render, options } from 'preact';
import { setupScratch, teardown } from '../../../test/_util/helpers';
import { useState } from 'preact/hooks';
import { addHookName } from 'preact/devtools';
import { vi } from 'vitest';
describe('addHookName', () => {
/** @type {HTMLDivElement} */
let scratch... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/src/index.js | src/index.js | export { render, hydrate } from './render';
export {
createElement,
createElement as h,
Fragment,
createRef,
isValidElement
} from './create-element';
export { BaseComponent as Component } from './component';
export { cloneElement } from './clone-element';
export { createContext } from './create-context';
export {... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/src/component.js | src/component.js | import { assign } from './util';
import { diff, commitRoot } from './diff/index';
import options from './options';
import { Fragment } from './create-element';
import {
COMPONENT_FORCE,
COMPONENT_DIRTY,
MODE_HYDRATE,
NULL
} from './constants';
/**
* Base Component class. Provides `setState()` and `forceUpdate()`,... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/src/constants.js | src/constants.js | // Vnode._flags
/** Normal hydration that attaches to a DOM tree but does not diff it. */
export const MODE_HYDRATE = 1 << 5;
/** Signifies this VNode suspended on the previous render */
export const MODE_SUSPENDED = 1 << 7;
/** Indicates that this node needs to be inserted while patching children */
export const INSER... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/src/render.js | src/render.js | import { EMPTY_OBJ, MODE_HYDRATE, NULL } from './constants';
import { commitRoot, diff } from './diff/index';
import { createElement, Fragment } from './create-element';
import options from './options';
import { slice } from './util';
/**
* Render a Preact virtual node into a DOM element
* @param {import('./internal... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/src/create-element.js | src/create-element.js | import { slice } from './util';
import options from './options';
import { NULL, UNDEFINED } from './constants';
let vnodeId = 0;
/**
* Create an virtual node (used for JSX)
* @param {import('./internal').VNode["type"]} type The node name or Component constructor for this
* virtual node
* @param {object | null | u... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/src/options.js | src/options.js | import { _catchError } from './diff/catch-error';
/**
* The `option` object can potentially contain callback functions
* that are called during various stages of our renderer. This is the
* foundation on which all our addons like `preact/debug`, `preact/compat`,
* and `preact/hooks` are based on. See the `Options`... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/src/create-context.js | src/create-context.js | import { enqueueRender } from './component';
import { NULL, COMPONENT_FORCE } from './constants';
export let i = 0;
export function createContext(defaultValue) {
function Context(props) {
if (!this.getChildContext) {
/** @type {Set<import('./internal').Component> | null} */
let subs = new Set();
let ctx =... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/src/clone-element.js | src/clone-element.js | import { assign, slice } from './util';
import { createVNode } from './create-element';
import { NULL } from './constants';
/**
* Clones the given VNode, optionally adding attributes/props and replacing its
* children.
* @param {import('./internal').VNode} vnode The virtual DOM element to clone
* @param {object} p... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/src/util.js | src/util.js | import { EMPTY_ARR } from './constants';
export const isArray = Array.isArray;
export const slice = EMPTY_ARR.slice;
export const assign = Object.assign;
/**
* Remove a child node from its parent if attached.
* @param {import('./internal').PreactElement | null} node The node to remove
*/
export function removeNode... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/src/diff/index.js | src/diff/index.js | import {
COMPONENT_FORCE,
COMPONENT_DIRTY,
COMPONENT_PENDING_ERROR,
COMPONENT_PROCESSING_EXCEPTION,
EMPTY_OBJ,
FORCE_PROPS_REVALIDATE,
MATH_NAMESPACE,
MODE_HYDRATE,
MODE_SUSPENDED,
NULL,
RESET_MODE,
SVG_NAMESPACE,
UNDEFINED,
XHTML_NAMESPACE,
MATHML_TOKEN_ELEMENTS
} from '../constants';
import { BaseCompo... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/src/diff/children.js | src/diff/children.js | import { diff, unmount, applyRef } from './index';
import { createVNode, Fragment } from '../create-element';
import {
EMPTY_OBJ,
EMPTY_ARR,
INSERT_VNODE,
MATCHED,
UNDEFINED,
NULL
} from '../constants';
import { isArray } from '../util';
import { getDomSibling } from '../component';
/**
* @typedef {import('../i... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/src/diff/props.js | src/diff/props.js | import { NULL, SVG_NAMESPACE } from '../constants';
import options from '../options';
function setStyle(style, key, value) {
if (key[0] == '-') {
style.setProperty(key, value == NULL ? '' : value);
} else if (value == NULL) {
style[key] = '';
} else {
style[key] = value;
}
}
const CAPTURE_REGEX = /(PointerC... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/src/diff/catch-error.js | src/diff/catch-error.js | import { resetRenderCount } from '../component';
import {
NULL,
COMPONENT_DIRTY,
COMPONENT_PENDING_ERROR,
COMPONENT_PROCESSING_EXCEPTION,
COMPONENT_FORCE
} from '../constants';
/**
* Find the closest error boundary to a thrown error and call it
* @param {object} error The thrown value
* @param {import('../inte... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/hooks/src/index.js | hooks/src/index.js | import { options as _options } from 'preact';
import { COMPONENT_FORCE } from '../../src/constants';
const ObjectIs = Object.is;
/** @type {number} */
let currentIndex;
/** @type {import('./internal').Component} */
let currentComponent;
/** @type {import('./internal').Component} */
let previousComponent;
/** @type... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/hooks/test/_util/useEffectUtil.js | hooks/test/_util/useEffectUtil.js | export function scheduleEffectAssert(assertFn) {
return new Promise(resolve => {
requestAnimationFrame(() =>
setTimeout(() => {
assertFn();
resolve();
}, 0)
);
});
}
| javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/hooks/test/browser/useLayoutEffect.test.jsx | hooks/test/browser/useLayoutEffect.test.jsx | import { act } from 'preact/test-utils';
import { createElement, render, Fragment, Component } from 'preact';
import {
setupScratch,
teardown,
serializeHtml
} from '../../../test/_util/helpers';
import { useEffectAssertions } from './useEffectAssertions';
import { useLayoutEffect, useRef, useState } from 'preact/hoo... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/hooks/test/browser/hooks.options.test.jsx | hooks/test/browser/hooks.options.test.jsx | import {
afterDiffSpy,
beforeRenderSpy,
unmountSpy,
hookSpy
} from '../../../test/_util/optionSpies';
import { setupRerender, act } from 'preact/test-utils';
import { createElement, render, createContext, options } from 'preact';
import { setupScratch, teardown } from '../../../test/_util/helpers';
import {
useSt... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/hooks/test/browser/useRef.test.jsx | hooks/test/browser/useRef.test.jsx | import { createElement, render } from 'preact';
import { setupScratch, teardown } from '../../../test/_util/helpers';
import { useRef } from 'preact/hooks';
describe('useRef', () => {
/** @type {HTMLDivElement} */
let scratch;
beforeEach(() => {
scratch = setupScratch();
});
afterEach(() => {
teardown(scrat... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/hooks/test/browser/useReducer.test.jsx | hooks/test/browser/useReducer.test.jsx | import { setupRerender, act } from 'preact/test-utils';
import { createElement, render, createContext } from 'preact';
import { setupScratch, teardown } from '../../../test/_util/helpers';
import { useReducer, useEffect, useContext } from 'preact/hooks';
describe('useReducer', () => {
/** @type {HTMLDivElement} */
l... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/hooks/test/browser/useState.test.jsx | hooks/test/browser/useState.test.jsx | import { setupRerender, act } from 'preact/test-utils';
import { createElement, render, createContext, Component } from 'preact';
import { vi } from 'vitest';
import { useState, useContext, useEffect } from 'preact/hooks';
import { setupScratch, teardown } from '../../../test/_util/helpers';
describe('useState', () =>... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/hooks/test/browser/useMemo.test.jsx | hooks/test/browser/useMemo.test.jsx | import { createElement, render } from 'preact';
import { setupScratch, teardown } from '../../../test/_util/helpers';
import { useMemo, useState } from 'preact/hooks';
import { act } from 'preact/test-utils';
import { vi } from 'vitest';
describe('useMemo', () => {
/** @type {HTMLDivElement} */
let scratch;
before... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/hooks/test/browser/useDebugValue.test.jsx | hooks/test/browser/useDebugValue.test.jsx | import { createElement, render, options } from 'preact';
import { setupScratch, teardown } from '../../../test/_util/helpers';
import { useDebugValue, useState } from 'preact/hooks';
import { vi } from 'vitest';
describe('useDebugValue', () => {
/** @type {HTMLDivElement} */
let scratch;
beforeEach(() => {
scrat... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/hooks/test/browser/errorBoundary.test.jsx | hooks/test/browser/errorBoundary.test.jsx | import { Fragment, createElement, render } from 'preact';
import { setupScratch, teardown } from '../../../test/_util/helpers';
import { useErrorBoundary, useLayoutEffect, useState } from 'preact/hooks';
import { setupRerender } from 'preact/test-utils';
import { vi } from 'vitest';
describe('errorBoundary', () => {
... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/hooks/test/browser/useCallback.test.jsx | hooks/test/browser/useCallback.test.jsx | import { createElement, render } from 'preact';
import { setupScratch, teardown } from '../../../test/_util/helpers';
import { useCallback } from 'preact/hooks';
describe('useCallback', () => {
/** @type {HTMLDivElement} */
let scratch;
beforeEach(() => {
scratch = setupScratch();
});
afterEach(() => {
tear... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/hooks/test/browser/useContext.test.jsx | hooks/test/browser/useContext.test.jsx | import { createElement, render, createContext, Component } from 'preact';
import { act } from 'preact/test-utils';
import { setupScratch, teardown } from '../../../test/_util/helpers';
import { useContext, useEffect, useState } from 'preact/hooks';
import { vi } from 'vitest';
describe('useContext', () => {
/** @type... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/hooks/test/browser/combinations.test.jsx | hooks/test/browser/combinations.test.jsx | import { setupRerender, act } from 'preact/test-utils';
import { createElement, render, Component, createContext } from 'preact';
import { setupScratch, teardown } from '../../../test/_util/helpers';
import {
useState,
useReducer,
useEffect,
useLayoutEffect,
useRef,
useMemo,
useContext
} from 'preact/hooks';
imp... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/hooks/test/browser/useImperativeHandle.test.jsx | hooks/test/browser/useImperativeHandle.test.jsx | import { createElement, render } from 'preact';
import { setupScratch, teardown } from '../../../test/_util/helpers';
import { useImperativeHandle, useRef, useState } from 'preact/hooks';
import { setupRerender } from 'preact/test-utils';
import { vi } from 'vitest';
describe('useImperativeHandle', () => {
/** @type ... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/hooks/test/browser/useId.test.jsx | hooks/test/browser/useId.test.jsx | import { createElement, Fragment, hydrate, render } from 'preact';
import { useId, useReducer, useState } from 'preact/hooks';
import { setupRerender } from 'preact/test-utils';
import { render as rts } from 'preact-render-to-string';
import { setupScratch, teardown } from '../../../test/_util/helpers';
describe('useI... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/hooks/test/browser/useEffectAssertions.jsx | hooks/test/browser/useEffectAssertions.jsx | import { setupRerender } from 'preact/test-utils';
import { createElement, render } from 'preact';
import { setupScratch, teardown } from '../../../test/_util/helpers';
import { vi } from 'vitest';
// Common behaviors between all effect hooks
export function useEffectAssertions(useEffect, scheduleEffectAssert) {
/** ... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/hooks/test/browser/useEffect.test.jsx | hooks/test/browser/useEffect.test.jsx | import { act, teardown as teardownAct } from 'preact/test-utils';
import { createElement, render, Fragment, Component } from 'preact';
import { useEffect, useState, useRef } from 'preact/hooks';
import { setupScratch, teardown } from '../../../test/_util/helpers';
import { useEffectAssertions } from './useEffectAsserti... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/hooks/test/browser/componentDidCatch.test.jsx | hooks/test/browser/componentDidCatch.test.jsx | import { createElement, render, Component } from 'preact';
import { act } from 'preact/test-utils';
import { setupScratch, teardown } from '../../../test/_util/helpers';
import { useEffect } from 'preact/hooks';
describe('errorInfo', () => {
/** @type {HTMLDivElement} */
let scratch;
beforeEach(() => {
scratch =... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/test/node/index.test.js | test/node/index.test.js | import { expect } from 'chai';
import * as preact from '../../';
describe('build artifact', () => {
// #1075 Check that the build artifact has the correct exports
it('should have exported properties', () => {
expect(typeof preact).to.equal('object');
expect(preact).to.have.property('createElement');
expect(pre... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/test/fixtures/preact.js | test/fixtures/preact.js | !(function () {
'use strict';
function h(nodeName, attributes) {
var lastSimple,
child,
simple,
i,
children = EMPTY_CHILDREN;
for (i = arguments.length; i-- > 2; ) stack.push(arguments[i]);
if (attributes && null != attributes.children) {
if (!stack.length) stack.push(attributes.children);
del... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/test/_util/helpers.jsx | test/_util/helpers.jsx | import { createElement, options } from 'preact';
import { clearLog, getLog } from './logCall';
import { teardown as testUtilTeardown } from 'preact/test-utils';
import { vi } from 'vitest';
/** @jsx createElement */
/**
* Assign properties from `props` to `obj`
* @template O, P The obj and props types
* @param {O}... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/test/_util/logCall.js | test/_util/logCall.js | /**
* Serialize an object
* @param {Object} obj
* @return {string}
*/
function serialize(obj) {
if (obj instanceof Text) return '#text';
if (obj instanceof Element) return `<${obj.localName}>${obj.textContent}`;
if (obj === document) return 'document';
if (typeof obj == 'string') return obj;
return Object.prot... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/test/_util/dom.js | test/_util/dom.js | /**
* Serialize contents
* @typedef {string | number | Array<string | number>} Contents
* @param {Contents} contents
*/
const serialize = contents =>
Array.isArray(contents) ? contents.join('') : contents.toString();
/**
* A helper to generate innerHTML validation strings containing spans
* @param {Contents} co... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/test/_util/optionSpies.js | test/_util/optionSpies.js | import { options as rawOptions } from 'preact';
import { vi } from 'vitest';
/** @type {import('preact/src/internal').Options} */
let options = rawOptions;
let oldVNode = options.vnode;
let oldEvent = options.event || (e => e);
let oldAfterDiff = options.diffed;
let oldUnmount = options.unmount;
let oldRoot = option... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/test/browser/spec.test.jsx | test/browser/spec.test.jsx | import { setupRerender } from 'preact/test-utils';
import { createElement, render, Component } from 'preact';
import { setupScratch, teardown } from '../_util/helpers';
import { vi } from 'vitest';
describe('Component spec', () => {
let scratch, rerender;
beforeEach(() => {
scratch = setupScratch();
rerender = ... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/test/browser/style.test.jsx | test/browser/style.test.jsx | import { createElement, render } from 'preact';
import { setupScratch, teardown, sortCss } from '../_util/helpers';
import { vi } from 'vitest';
describe('style attribute', () => {
/** @type {HTMLElement} */
let scratch;
beforeEach(() => {
scratch = setupScratch();
});
afterEach(() => {
teardown(scratch);
... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/test/browser/customBuiltInElements.test.jsx | test/browser/customBuiltInElements.test.jsx | import { createElement, render, Component } from 'preact';
import { setupScratch, teardown } from '../_util/helpers';
import { vi } from 'vitest';
const runSuite = typeof customElements == 'undefined' ? xdescribe : describe;
runSuite('customised built-in elements', () => {
let scratch;
beforeEach(() => {
scratch... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/test/browser/mathml.test.jsx | test/browser/mathml.test.jsx | import { createElement, Component, render } from 'preact';
import { setupRerender } from 'preact/test-utils';
import { setupScratch, teardown } from '../_util/helpers';
const XHTML_NAMESPACE = 'http://www.w3.org/1999/xhtml';
const MATH_NAMESPACE = 'http://www.w3.org/1998/Math/MathML';
describe('mathml', () => {
let ... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/test/browser/events.test.jsx | test/browser/events.test.jsx | import { createElement, render } from 'preact';
import {
setupScratch,
teardown,
supportsPassiveEvents
} from '../_util/helpers';
import { vi } from 'vitest';
describe('event handling', () => {
let scratch, proto;
function fireEvent(on, type) {
let e = document.createEvent('Event');
e.initEvent(type, true, t... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/test/browser/svg.test.jsx | test/browser/svg.test.jsx | import { createElement, Component, render } from 'preact';
import { setupRerender } from 'preact/test-utils';
import { setupScratch, teardown, sortAttributes } from '../_util/helpers';
import { vi } from 'vitest';
describe('svg', () => {
let scratch;
beforeEach(() => {
scratch = setupScratch();
});
afterEach((... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/test/browser/context.test.jsx | test/browser/context.test.jsx | import { createElement, render, Component, Fragment } from 'preact';
import { setupScratch, teardown } from '../_util/helpers';
import { vi } from 'vitest';
describe('context', () => {
let scratch;
beforeEach(() => {
scratch = setupScratch();
});
afterEach(() => {
teardown(scratch);
});
it('should pass co... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/test/browser/isValidElement.test.js | test/browser/isValidElement.test.js | import { createElement, isValidElement, Component } from 'preact';
import { isValidElementTests } from '../shared/isValidElementTests';
isValidElementTests(expect, isValidElement, createElement, Component);
| javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/test/browser/hydrate.test.jsx | test/browser/hydrate.test.jsx | import { createElement, hydrate, Fragment, Component } from 'preact';
import { setupRerender } from 'preact/test-utils';
import {
setupScratch,
teardown,
sortAttributes,
serializeHtml,
spyOnElementAttributes,
createEvent
} from '../_util/helpers';
import { ul, li, div } from '../_util/dom';
import { logCall, clea... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/test/browser/keys.test.jsx | test/browser/keys.test.jsx | import { createElement, Component, render, createRef } from 'preact';
import { setupRerender } from 'preact/test-utils';
import { setupScratch, teardown } from '../_util/helpers';
import { logCall, clearLog, getLog } from '../_util/logCall';
import { div } from '../_util/dom';
import { vi } from 'vitest';
describe('ke... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/test/browser/placeholders.test.jsx | test/browser/placeholders.test.jsx | import { createElement, Component, render, createRef, Fragment } from 'preact';
import { setupRerender } from 'preact/test-utils';
import { setupScratch, teardown } from '../_util/helpers';
import { logCall, clearLog, getLog } from '../_util/logCall';
import { div } from '../_util/dom';
import { vi } from 'vitest';
de... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/test/browser/cloneElement.test.jsx | test/browser/cloneElement.test.jsx | import { createElement, cloneElement, createRef } from 'preact';
describe('cloneElement', () => {
it('should clone components', () => {
function Comp() {}
const instance = <Comp prop1={1}>hello</Comp>;
const clone = cloneElement(instance);
expect(clone.prototype).to.equal(instance.prototype);
expect(clone.... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/test/browser/focus.test.jsx | test/browser/focus.test.jsx | import { setupRerender } from 'preact/test-utils';
import { createElement, render, Component, Fragment, hydrate } from 'preact';
import { setupScratch, teardown } from '../_util/helpers';
import { div, span, input as inputStr, h1, h2 } from '../_util/dom';
/* eslint-disable react/jsx-boolean-value */
describe('focus'... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/test/browser/toChildArray.test.jsx | test/browser/toChildArray.test.jsx | import { createElement, render, toChildArray } from 'preact';
import {
setupScratch,
teardown,
getMixedArray,
mixedArrayHTML
} from '../_util/helpers';
describe('toChildArray', () => {
/** @type {HTMLDivElement} */
let scratch;
let children;
let Foo = props => {
children = toChildArray(props.children);
r... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/test/browser/fragments.test.jsx | test/browser/fragments.test.jsx | import { setupRerender } from 'preact/test-utils';
import {
createElement,
render,
Component,
Fragment,
createContext
} from 'preact';
import { setupScratch, teardown } from '../_util/helpers';
import { span, div, ul, ol, li, section } from '../_util/dom';
import { logCall, clearLog, getLog } from '../_util/logCal... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | true |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/test/browser/createContext.test.jsx | test/browser/createContext.test.jsx | import { setupRerender, act } from 'preact/test-utils';
import {
createElement,
render,
Component,
createContext,
Fragment
} from 'preact';
import { setupScratch, teardown } from '../_util/helpers';
import { vi } from 'vitest';
describe('createContext', () => {
let scratch;
let rerender;
beforeEach(() => {
... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/test/browser/render.test.jsx | test/browser/render.test.jsx | import { setupRerender } from 'preact/test-utils';
import { createElement, render, Component, options, Fragment } from 'preact';
import {
setupScratch,
teardown,
getMixedArray,
mixedArrayHTML,
serializeHtml,
supportsDataList,
sortAttributes,
spyOnElementAttributes,
createEvent
} from '../_util/helpers';
import... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | true |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/test/browser/refs.test.jsx | test/browser/refs.test.jsx | import { setupRerender } from 'preact/test-utils';
import { createElement, render, Component, createRef, Fragment } from 'preact';
import { setupScratch, teardown } from '../_util/helpers';
import { vi } from 'vitest';
// gives call count and argument errors names (otherwise vitest just uses "spy"):
let spy = (name, .... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/test/browser/components.test.jsx | test/browser/components.test.jsx | import { createElement, render, Component, Fragment } from 'preact';
import { setupRerender } from 'preact/test-utils';
import {
setupScratch,
teardown,
getMixedArray,
mixedArrayHTML,
serializeHtml,
sortAttributes
} from '../_util/helpers';
import { vi } from 'vitest';
const h = createElement;
function getAttri... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | true |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/test/browser/getDomSibling.test.jsx | test/browser/getDomSibling.test.jsx | import { createElement, render, Fragment } from '../../src/';
import { getDomSibling } from '../../src/component';
import { setupScratch, teardown } from '../_util/helpers';
describe('getDomSibling', () => {
/** @type {HTMLDivElement} */
let scratch;
const getRoot = dom => dom._children;
beforeEach(() => {
scr... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/test/browser/select.test.jsx | test/browser/select.test.jsx | import { createElement, render } from 'preact';
import { setupScratch, teardown } from '../_util/helpers';
describe('Select', () => {
let scratch;
beforeEach(() => {
scratch = setupScratch();
});
afterEach(() => {
teardown(scratch);
});
it('should set <select> value', () => {
function App() {
return ... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/test/browser/lifecycles/componentWillMount.test.jsx | test/browser/lifecycles/componentWillMount.test.jsx | import { createElement, render, Component } from 'preact';
import { setupRerender } from 'preact/test-utils';
import { setupScratch, teardown } from '../../_util/helpers';
describe('Lifecycle methods', () => {
/** @type {HTMLDivElement} */
let scratch;
/** @type {() => void} */
let rerender;
beforeEach(() => {
... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/test/browser/lifecycles/componentDidUpdate.test.jsx | test/browser/lifecycles/componentDidUpdate.test.jsx | import { setupRerender } from 'preact/test-utils';
import { createElement, render, Component } from 'preact';
import { setupScratch, teardown } from '../../_util/helpers';
import { vi } from 'vitest';
describe('Lifecycle methods', () => {
/** @type {HTMLDivElement} */
let scratch;
/** @type {() => void} */
let re... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/test/browser/lifecycles/componentWillUpdate.test.jsx | test/browser/lifecycles/componentWillUpdate.test.jsx | import { setupRerender } from 'preact/test-utils';
import { createElement, render, Component } from 'preact';
import { setupScratch, teardown } from '../../_util/helpers';
import { vi } from 'vitest';
describe('Lifecycle methods', () => {
/** @type {HTMLDivElement} */
let scratch;
/** @type {() => void} */
let re... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/test/browser/lifecycles/componentWillUnmount.test.jsx | test/browser/lifecycles/componentWillUnmount.test.jsx | import { createElement, render, Component } from 'preact';
import { setupScratch, teardown } from '../../_util/helpers';
import { vi } from 'vitest';
describe('Lifecycle methods', () => {
/** @type {HTMLDivElement} */
let scratch;
beforeEach(() => {
scratch = setupScratch();
});
afterEach(() => {
teardown(s... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/test/browser/lifecycles/componentWillReceiveProps.test.jsx | test/browser/lifecycles/componentWillReceiveProps.test.jsx | import { setupRerender } from 'preact/test-utils';
import { createElement, render, Component } from 'preact';
import { setupScratch, teardown } from '../../_util/helpers';
import { vi } from 'vitest';
describe('Lifecycle methods', () => {
/** @type {HTMLDivElement} */
let scratch;
/** @type {() => void} */
let re... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/test/browser/lifecycles/getSnapshotBeforeUpdate.test.jsx | test/browser/lifecycles/getSnapshotBeforeUpdate.test.jsx | import { setupRerender } from 'preact/test-utils';
import { createElement, render, Component } from 'preact';
import { setupScratch, teardown } from '../../_util/helpers';
describe('Lifecycle methods', () => {
/** @type {HTMLDivElement} */
let scratch;
/** @type {() => void} */
let rerender;
beforeEach(() => {
... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/test/browser/lifecycles/shouldComponentUpdate.test.jsx | test/browser/lifecycles/shouldComponentUpdate.test.jsx | import { setupRerender } from 'preact/test-utils';
import { createElement, render, Component, Fragment } from 'preact';
import { vi } from 'vitest';
import { setupScratch, teardown } from '../../_util/helpers';
import { logCall, getLog, clearLog } from '../../_util/logCall';
describe('Lifecycle methods', () => {
/** ... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/test/browser/lifecycles/componentDidMount.test.jsx | test/browser/lifecycles/componentDidMount.test.jsx | import { createElement, render, Component } from 'preact';
import { setupRerender } from 'preact/test-utils';
import { setupScratch, teardown } from '../../_util/helpers';
import { vi } from 'vitest';
describe('Lifecycle methods', () => {
/** @type {HTMLDivElement} */
let scratch;
let rerender;
beforeEach(() => {... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/test/browser/lifecycles/getDerivedStateFromError.test.jsx | test/browser/lifecycles/getDerivedStateFromError.test.jsx | import { setupRerender } from 'preact/test-utils';
import { createElement, render, Component } from 'preact';
import { setupScratch, teardown } from '../../_util/helpers';
import { vi } from 'vitest';
describe('Lifecycle methods', () => {
/* eslint-disable react/display-name */
/** @type {HTMLDivElement} */
let sc... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/test/browser/lifecycles/lifecycle.test.jsx | test/browser/lifecycles/lifecycle.test.jsx | import { setupRerender } from 'preact/test-utils';
import { createElement, render, Component } from 'preact';
import { setupScratch, teardown } from '../../_util/helpers';
import { vi } from 'vitest';
describe('Lifecycle methods', () => {
/** @type {HTMLDivElement} */
let scratch;
/** @type {() => void} */
let re... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/test/browser/lifecycles/componentDidCatch.test.jsx | test/browser/lifecycles/componentDidCatch.test.jsx | import { setupRerender } from 'preact/test-utils';
import { createElement, render, Component, Fragment } from 'preact';
import { setupScratch, teardown } from '../../_util/helpers';
import { vi, expect } from 'vitest';
describe('Lifecycle methods', () => {
/* eslint-disable react/display-name */
/** @type {HTMLDivE... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/test/browser/lifecycles/getDerivedStateFromProps.test.jsx | test/browser/lifecycles/getDerivedStateFromProps.test.jsx | import { setupRerender } from 'preact/test-utils';
import { createElement, render, Component } from 'preact';
import { setupScratch, teardown } from '../../_util/helpers';
import { vi } from 'vitest';
describe('Lifecycle methods', () => {
/** @type {HTMLDivElement} */
let scratch;
/** @type {() => void} */
let re... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/test/shared/createElement.test.jsx | test/shared/createElement.test.jsx | import { createElement } from '../../src/index';
import { expect } from 'chai';
const h = createElement;
/*eslint-env browser */
// const buildVNode = (nodeName, attributes, children=[]) => ({
// nodeName,
// children,
// attributes,
// key: attributes && attributes.key
// });
describe('createElement(jsx)', () =... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/test/shared/isValidElement.test.js | test/shared/isValidElement.test.js | import { createElement, isValidElement, Component } from '../../src/index';
import { expect } from 'chai';
import { isValidElementTests } from './isValidElementTests';
isValidElementTests(expect, isValidElement, createElement, Component);
| javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/test/shared/isValidElementTests.jsx | test/shared/isValidElementTests.jsx | // @jsxRuntime classic
// @jsx createElement
export function isValidElementTests(
expect,
isValidElement,
createElement,
Component
) {
describe('isValidElement', () => {
it('should check if the argument is a valid vnode', () => {
// Failure cases
expect(isValidElement(123)).to.equal(false);
expect(isVa... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/test/shared/exports.test.js | test/shared/exports.test.js | import {
createElement,
h,
createContext,
Component,
Fragment,
render,
hydrate,
cloneElement,
options,
createRef,
toChildArray,
isValidElement
} from '../../src/index';
import { expect } from 'chai';
describe('preact', () => {
it('should be available as named exports', () => {
expect(h).to.be.a('functio... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/test/shared/createContext.test.jsx | test/shared/createContext.test.jsx | import { createElement, createContext } from '../../src/index';
import { expect } from 'chai';
/* eslint-env browser */
describe('createContext', () => {
it('should return a Provider and a Consumer', () => {
const context = createContext(null);
expect(context).to.have.property('Provider');
expect(context).to.h... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/test-utils/src/index.js | test-utils/src/index.js | import { options } from 'preact';
/**
* Setup a rerender function that will drain the queue of pending renders
* @returns {() => void}
*/
export function setupRerender() {
options.__test__previousDebounce = options.debounceRendering;
options.debounceRendering = cb => (options.__test__drainQueue = cb);
return () ... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/test-utils/test/shared/rerender.test.jsx | test-utils/test/shared/rerender.test.jsx | import { options, createElement, render, Component } from 'preact';
import { teardown, setupRerender } from 'preact/test-utils';
import { vi } from 'vitest';
describe('setupRerender & teardown', () => {
/** @type {HTMLDivElement} */
let scratch;
beforeEach(() => {
scratch = document.createElement('div');
});
... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/test-utils/test/shared/act.test.jsx | test-utils/test/shared/act.test.jsx | import { options, createElement, render } from 'preact';
import { useEffect, useReducer, useState } from 'preact/hooks';
import { act } from 'preact/test-utils';
import { setupScratch, teardown } from '../../../test/_util/helpers';
import { vi } from 'vitest';
// IE11 doesn't support `new Event()`
function createEvent... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/jsx-runtime/src/index.js | jsx-runtime/src/index.js | import { options, Fragment } from 'preact';
import { encodeEntities } from './utils';
let vnodeId = 0;
const isArray = Array.isArray;
/**
* @fileoverview
* This file exports various methods that implement Babel's "automatic" JSX runtime API:
* - jsx(type, props, key)
* - jsxs(type, props, key)
* - jsxDEV(type, ... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/jsx-runtime/src/utils.js | jsx-runtime/src/utils.js | const ENCODED_ENTITIES = /["&<]/;
/** @param {string} str */
export function encodeEntities(str) {
// Skip all work for strings with no entities needing encoding:
if (str.length === 0 || ENCODED_ENTITIES.test(str) === false) return str;
let last = 0,
i = 0,
out = '',
ch = '';
// Seek forward in str until t... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/jsx-runtime/test/browser/jsx-runtime.test.js | jsx-runtime/test/browser/jsx-runtime.test.js | import { Component, createElement, createRef, options } from 'preact';
import {
jsx,
jsxs,
jsxDEV,
Fragment,
jsxAttr,
jsxTemplate,
jsxEscape
} from 'preact/jsx-runtime';
import { setupScratch, teardown } from '../../../test/_util/helpers';
import { encodeEntities } from '../../src/utils';
import { vi } from 'vit... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/config/codemod-let-name.js | config/codemod-let-name.js | /**
* Restores var names transformed by babel's let block scoping
*/
export default (file, api) => {
let j = api.jscodeshift;
let code = j(file.source);
// @TODO unsafe, but without it we gain 20b gzipped: https://www.diffchecker.com/bVrOJWTO
code
.findVariableDeclarators()
.filter(d => /^_i/.test(d.value.id... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/config/codemod-strip-tdz.js | config/codemod-strip-tdz.js | /* eslint no-console:0 */
// parent node types that we don't want to remove pointless initializations from (because it breaks hoisting)
const BLOCKED = ['ForStatement', 'WhileStatement']; // 'IfStatement', 'SwitchStatement'
/** Removes var initialization to `void 0`, which Babel adds for TDZ strictness. */
export def... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/config/compat-entries.js | config/compat-entries.js | const path = require('path');
const fs = require('fs');
const kl = require('kolorist');
const pkgFiles = new Set(require('../package.json').files);
const compatDir = path.join(__dirname, '..', 'compat');
const files = fs.readdirSync(compatDir);
let missing = 0;
for (const file of files) {
const expected = 'compat/' ... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/config/codemod-const.js | config/codemod-const.js | /* eslint no-console:0 */
/** Find constants (identified by ALL_CAPS_DECLARATIONS), and inline them globally.
* This is safe because Preact *only* uses global constants.
*/
export default (file, api) => {
let j = api.jscodeshift,
code = j(file.source),
constants = {},
found = 0;
code
.find(j.VariableDecla... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/debug/src/index.js | debug/src/index.js | import { initDebug } from './debug';
import 'preact/devtools';
initDebug();
export { resetPropWarnings } from './check-props';
export {
captureOwnerStack,
getCurrentVNode,
getDisplayName,
getOwnerStack,
setupComponentStack
} from './component-stack';
| javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/debug/src/component-stack.js | debug/src/component-stack.js | import { options, Fragment } from 'preact';
/**
* Get human readable name of the component/dom node
*
* @param {import('./internal').VNode} vnode
* @returns {string}
*/
export function getDisplayName(vnode) {
if (vnode.type === Fragment) {
return 'Fragment';
} else if (typeof vnode.type == 'function') {
ret... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/debug/src/check-props.js | debug/src/check-props.js | const ReactPropTypesSecret = 'SECRET_DO_NOT_PASS_THIS_OR_YOU_WILL_BE_FIRED';
let loggedTypeFailures = {};
/**
* Reset the history of which prop type warnings have been logged.
*/
export function resetPropWarnings() {
loggedTypeFailures = {};
}
/**
* Assert that the values match with the type specs.
* Error mess... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/debug/src/constants.js | debug/src/constants.js | export const ELEMENT_NODE = 1;
export const DOCUMENT_NODE = 9;
export const DOCUMENT_FRAGMENT_NODE = 11;
| javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/debug/src/debug.js | debug/src/debug.js | import { checkPropTypes } from './check-props';
import { options, Component } from 'preact';
import {
ELEMENT_NODE,
DOCUMENT_NODE,
DOCUMENT_FRAGMENT_NODE
} from './constants';
import {
getOwnerStack,
setupComponentStack,
getCurrentVNode,
getDisplayName
} from './component-stack';
import { isNaN } from './util';
... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/debug/src/util.js | debug/src/util.js | export const assign = Object.assign;
export function isNaN(value) {
return value !== value;
}
| javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
preactjs/preact | https://github.com/preactjs/preact/blob/bf7a195ac4b1706468e876e41b27428e3d8a08f3/debug/test/browser/debug.options.test.jsx | debug/test/browser/debug.options.test.jsx | import {
vnodeSpy,
rootSpy,
beforeDiffSpy,
hookSpy,
afterDiffSpy,
catchErrorSpy
} from '../../../test/_util/optionSpies';
import { createElement, render, Component } from 'preact';
import { useState } from 'preact/hooks';
import { setupRerender } from 'preact/test-utils';
import 'preact/debug';
import { setupScr... | javascript | MIT | bf7a195ac4b1706468e876e41b27428e3d8a08f3 | 2026-01-04T14:59:51.617528Z | false |
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