Added markdown rendering
This commit is contained in:
Magnus Åhall
parent
26ca510785
commit
5a0340c226
172 changed files with 12198 additions and 8338 deletions
594
static/js/lib/node_modules/preact/debug/src/debug.js
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vendored
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594
static/js/lib/node_modules/preact/debug/src/debug.js
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@ -0,0 +1,594 @@
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import { checkPropTypes } from './check-props';
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import { options, Component } from 'preact';
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import {
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ELEMENT_NODE,
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DOCUMENT_NODE,
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DOCUMENT_FRAGMENT_NODE
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} from './constants';
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import {
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getOwnerStack,
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setupComponentStack,
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getCurrentVNode,
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getDisplayName
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} from './component-stack';
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import { assign, isNaN } from './util';
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const isWeakMapSupported = typeof WeakMap == 'function';
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/**
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* @param {import('./internal').VNode} vnode
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* @returns {Array<string>}
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*/
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function getDomChildren(vnode) {
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let domChildren = [];
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if (!vnode._children) return domChildren;
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vnode._children.forEach(child => {
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if (child && typeof child.type === 'function') {
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domChildren.push.apply(domChildren, getDomChildren(child));
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} else if (child && typeof child.type === 'string') {
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domChildren.push(child.type);
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}
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});
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return domChildren;
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}
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/**
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* @param {import('./internal').VNode} parent
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* @returns {string}
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*/
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function getClosestDomNodeParentName(parent) {
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if (!parent) return '';
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if (typeof parent.type == 'function') {
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if (parent._parent == null) {
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if (parent._dom != null && parent._dom.parentNode != null) {
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return parent._dom.parentNode.localName;
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}
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return '';
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}
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return getClosestDomNodeParentName(parent._parent);
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}
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return /** @type {string} */ (parent.type);
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}
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export function initDebug() {
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setupComponentStack();
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let hooksAllowed = false;
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/* eslint-disable no-console */
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let oldBeforeDiff = options._diff;
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let oldDiffed = options.diffed;
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let oldVnode = options.vnode;
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let oldRender = options._render;
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let oldCatchError = options._catchError;
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let oldRoot = options._root;
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let oldHook = options._hook;
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const warnedComponents = !isWeakMapSupported
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? null
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: {
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useEffect: new WeakMap(),
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useLayoutEffect: new WeakMap(),
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lazyPropTypes: new WeakMap()
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};
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const deprecations = [];
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options._catchError = (error, vnode, oldVNode, errorInfo) => {
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let component = vnode && vnode._component;
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if (component && typeof error.then == 'function') {
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const promise = error;
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error = new Error(
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`Missing Suspense. The throwing component was: ${getDisplayName(vnode)}`
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);
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let parent = vnode;
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for (; parent; parent = parent._parent) {
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if (parent._component && parent._component._childDidSuspend) {
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error = promise;
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break;
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}
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}
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// We haven't recovered and we know at this point that there is no
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// Suspense component higher up in the tree
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if (error instanceof Error) {
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throw error;
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}
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}
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try {
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errorInfo = errorInfo || {};
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errorInfo.componentStack = getOwnerStack(vnode);
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oldCatchError(error, vnode, oldVNode, errorInfo);
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// when an error was handled by an ErrorBoundary we will nonetheless emit an error
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// event on the window object. This is to make up for react compatibility in dev mode
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// and thus make the Next.js dev overlay work.
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if (typeof error.then != 'function') {
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setTimeout(() => {
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throw error;
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});
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}
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} catch (e) {
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throw e;
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}
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};
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options._root = (vnode, parentNode) => {
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if (!parentNode) {
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throw new Error(
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'Undefined parent passed to render(), this is the second argument.\n' +
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'Check if the element is available in the DOM/has the correct id.'
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);
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}
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let isValid;
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switch (parentNode.nodeType) {
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case ELEMENT_NODE:
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case DOCUMENT_FRAGMENT_NODE:
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case DOCUMENT_NODE:
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isValid = true;
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break;
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default:
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isValid = false;
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}
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if (!isValid) {
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let componentName = getDisplayName(vnode);
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throw new Error(
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`Expected a valid HTML node as a second argument to render. Received ${parentNode} instead: render(<${componentName} />, ${parentNode});`
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);
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}
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if (oldRoot) oldRoot(vnode, parentNode);
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};
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options._diff = vnode => {
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let { type } = vnode;
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hooksAllowed = true;
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if (type === undefined) {
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throw new Error(
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'Undefined component passed to createElement()\n\n' +
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'You likely forgot to export your component or might have mixed up default and named imports' +
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serializeVNode(vnode) +
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`\n\n${getOwnerStack(vnode)}`
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);
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} else if (type != null && typeof type == 'object') {
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if (type._children !== undefined && type._dom !== undefined) {
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throw new Error(
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`Invalid type passed to createElement(): ${type}\n\n` +
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'Did you accidentally pass a JSX literal as JSX twice?\n\n' +
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` let My${getDisplayName(vnode)} = ${serializeVNode(type)};\n` +
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` let vnode = <My${getDisplayName(vnode)} />;\n\n` +
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'This usually happens when you export a JSX literal and not the component.' +
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`\n\n${getOwnerStack(vnode)}`
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);
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}
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throw new Error(
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'Invalid type passed to createElement(): ' +
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(Array.isArray(type) ? 'array' : type)
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);
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}
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if (
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vnode.ref !== undefined &&
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typeof vnode.ref != 'function' &&
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typeof vnode.ref != 'object' &&
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!('$$typeof' in vnode) // allow string refs when preact-compat is installed
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) {
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throw new Error(
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`Component's "ref" property should be a function, or an object created ` +
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`by createRef(), but got [${typeof vnode.ref}] instead\n` +
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serializeVNode(vnode) +
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`\n\n${getOwnerStack(vnode)}`
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);
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}
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if (typeof vnode.type == 'string') {
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for (const key in vnode.props) {
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if (
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key[0] === 'o' &&
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key[1] === 'n' &&
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typeof vnode.props[key] != 'function' &&
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vnode.props[key] != null
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) {
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throw new Error(
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`Component's "${key}" property should be a function, ` +
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`but got [${typeof vnode.props[key]}] instead\n` +
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serializeVNode(vnode) +
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`\n\n${getOwnerStack(vnode)}`
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);
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}
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}
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}
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// Check prop-types if available
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if (typeof vnode.type == 'function' && vnode.type.propTypes) {
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if (
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vnode.type.displayName === 'Lazy' &&
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warnedComponents &&
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!warnedComponents.lazyPropTypes.has(vnode.type)
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) {
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const m =
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'PropTypes are not supported on lazy(). Use propTypes on the wrapped component itself. ';
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try {
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const lazyVNode = vnode.type();
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warnedComponents.lazyPropTypes.set(vnode.type, true);
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console.warn(
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m + `Component wrapped in lazy() is ${getDisplayName(lazyVNode)}`
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);
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} catch (promise) {
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console.warn(
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m + "We will log the wrapped component's name once it is loaded."
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);
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}
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}
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let values = vnode.props;
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if (vnode.type._forwarded) {
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values = assign({}, values);
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delete values.ref;
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}
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checkPropTypes(
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vnode.type.propTypes,
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values,
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'prop',
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getDisplayName(vnode),
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() => getOwnerStack(vnode)
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);
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}
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if (oldBeforeDiff) oldBeforeDiff(vnode);
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};
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let renderCount = 0;
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let currentComponent;
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options._render = vnode => {
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if (oldRender) {
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oldRender(vnode);
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}
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hooksAllowed = true;
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const nextComponent = vnode._component;
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if (nextComponent === currentComponent) {
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renderCount++;
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} else {
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renderCount = 1;
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}
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if (renderCount >= 25) {
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throw new Error(
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`Too many re-renders. This is limited to prevent an infinite loop ` +
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`which may lock up your browser. The component causing this is: ${getDisplayName(
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vnode
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)}`
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);
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}
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currentComponent = nextComponent;
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};
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options._hook = (comp, index, type) => {
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if (!comp || !hooksAllowed) {
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throw new Error('Hook can only be invoked from render methods.');
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}
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if (oldHook) oldHook(comp, index, type);
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};
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// Ideally we'd want to print a warning once per component, but we
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// don't have access to the vnode that triggered it here. As a
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// compromise and to avoid flooding the console with warnings we
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// print each deprecation warning only once.
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const warn = (property, message) => ({
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get() {
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const key = 'get' + property + message;
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if (deprecations && deprecations.indexOf(key) < 0) {
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deprecations.push(key);
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console.warn(`getting vnode.${property} is deprecated, ${message}`);
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}
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},
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set() {
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const key = 'set' + property + message;
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if (deprecations && deprecations.indexOf(key) < 0) {
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deprecations.push(key);
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console.warn(`setting vnode.${property} is not allowed, ${message}`);
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}
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}
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});
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const deprecatedAttributes = {
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nodeName: warn('nodeName', 'use vnode.type'),
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attributes: warn('attributes', 'use vnode.props'),
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children: warn('children', 'use vnode.props.children')
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};
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const deprecatedProto = Object.create({}, deprecatedAttributes);
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options.vnode = vnode => {
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const props = vnode.props;
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if (
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vnode.type !== null &&
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props != null &&
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('__source' in props || '__self' in props)
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) {
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const newProps = (vnode.props = {});
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for (let i in props) {
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const v = props[i];
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if (i === '__source') vnode.__source = v;
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else if (i === '__self') vnode.__self = v;
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else newProps[i] = v;
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}
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}
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// eslint-disable-next-line
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vnode.__proto__ = deprecatedProto;
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if (oldVnode) oldVnode(vnode);
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};
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options.diffed = vnode => {
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const { type, _parent: parent } = vnode;
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// Check if the user passed plain objects as children. Note that we cannot
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// move this check into `options.vnode` because components can receive
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// children in any shape they want (e.g.
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// `<MyJSONFormatter>{{ foo: 123, bar: "abc" }}</MyJSONFormatter>`).
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// Putting this check in `options.diffed` ensures that
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// `vnode._children` is set and that we only validate the children
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// that were actually rendered.
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if (vnode._children) {
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vnode._children.forEach(child => {
|
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if (typeof child === 'object' && child && child.type === undefined) {
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const keys = Object.keys(child).join(',');
|
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throw new Error(
|
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`Objects are not valid as a child. Encountered an object with the keys {${keys}}.` +
|
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`\n\n${getOwnerStack(vnode)}`
|
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);
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}
|
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});
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}
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if (vnode._component === currentComponent) {
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renderCount = 0;
|
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}
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|
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if (
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typeof type === 'string' &&
|
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(isTableElement(type) ||
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type === 'p' ||
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type === 'a' ||
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type === 'button')
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) {
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// Avoid false positives when Preact only partially rendered the
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// HTML tree. Whilst we attempt to include the outer DOM in our
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// validation, this wouldn't work on the server for
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// `preact-render-to-string`. There we'd otherwise flood the terminal
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// with false positives, which we'd like to avoid.
|
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let domParentName = getClosestDomNodeParentName(parent);
|
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if (domParentName !== '' && isTableElement(type)) {
|
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if (
|
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type === 'table' &&
|
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// Tables can be nested inside each other if it's inside a cell.
|
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// See https://developer.mozilla.org/en-US/docs/Learn/HTML/Tables/Advanced#nesting_tables
|
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domParentName !== 'td' &&
|
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isTableElement(domParentName)
|
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) {
|
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console.log(domParentName, parent._dom);
|
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console.error(
|
||||
'Improper nesting of table. Your <table> should not have a table-node parent.' +
|
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serializeVNode(vnode) +
|
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`\n\n${getOwnerStack(vnode)}`
|
||||
);
|
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} else if (
|
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(type === 'thead' || type === 'tfoot' || type === 'tbody') &&
|
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domParentName !== 'table'
|
||||
) {
|
||||
console.error(
|
||||
'Improper nesting of table. Your <thead/tbody/tfoot> should have a <table> parent.' +
|
||||
serializeVNode(vnode) +
|
||||
`\n\n${getOwnerStack(vnode)}`
|
||||
);
|
||||
} else if (
|
||||
type === 'tr' &&
|
||||
domParentName !== 'thead' &&
|
||||
domParentName !== 'tfoot' &&
|
||||
domParentName !== 'tbody'
|
||||
) {
|
||||
console.error(
|
||||
'Improper nesting of table. Your <tr> should have a <thead/tbody/tfoot> parent.' +
|
||||
serializeVNode(vnode) +
|
||||
`\n\n${getOwnerStack(vnode)}`
|
||||
);
|
||||
} else if (type === 'td' && domParentName !== 'tr') {
|
||||
console.error(
|
||||
'Improper nesting of table. Your <td> should have a <tr> parent.' +
|
||||
serializeVNode(vnode) +
|
||||
`\n\n${getOwnerStack(vnode)}`
|
||||
);
|
||||
} else if (type === 'th' && domParentName !== 'tr') {
|
||||
console.error(
|
||||
'Improper nesting of table. Your <th> should have a <tr>.' +
|
||||
serializeVNode(vnode) +
|
||||
`\n\n${getOwnerStack(vnode)}`
|
||||
);
|
||||
}
|
||||
} else if (type === 'p') {
|
||||
let illegalDomChildrenTypes = getDomChildren(vnode).filter(childType =>
|
||||
ILLEGAL_PARAGRAPH_CHILD_ELEMENTS.test(childType)
|
||||
);
|
||||
if (illegalDomChildrenTypes.length) {
|
||||
console.error(
|
||||
'Improper nesting of paragraph. Your <p> should not have ' +
|
||||
illegalDomChildrenTypes.join(', ') +
|
||||
' as child-elements.' +
|
||||
serializeVNode(vnode) +
|
||||
`\n\n${getOwnerStack(vnode)}`
|
||||
);
|
||||
}
|
||||
} else if (type === 'a' || type === 'button') {
|
||||
if (getDomChildren(vnode).indexOf(type) !== -1) {
|
||||
console.error(
|
||||
`Improper nesting of interactive content. Your <${type}>` +
|
||||
` should not have other ${type === 'a' ? 'anchor' : 'button'}` +
|
||||
' tags as child-elements.' +
|
||||
serializeVNode(vnode) +
|
||||
`\n\n${getOwnerStack(vnode)}`
|
||||
);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
hooksAllowed = false;
|
||||
|
||||
if (oldDiffed) oldDiffed(vnode);
|
||||
|
||||
if (vnode._children != null) {
|
||||
const keys = [];
|
||||
for (let i = 0; i < vnode._children.length; i++) {
|
||||
const child = vnode._children[i];
|
||||
if (!child || child.key == null) continue;
|
||||
|
||||
const key = child.key;
|
||||
if (keys.indexOf(key) !== -1) {
|
||||
console.error(
|
||||
'Following component has two or more children with the ' +
|
||||
`same key attribute: "${key}". This may cause glitches and misbehavior ` +
|
||||
'in rendering process. Component: \n\n' +
|
||||
serializeVNode(vnode) +
|
||||
`\n\n${getOwnerStack(vnode)}`
|
||||
);
|
||||
|
||||
// Break early to not spam the console
|
||||
break;
|
||||
}
|
||||
|
||||
keys.push(key);
|
||||
}
|
||||
}
|
||||
|
||||
if (vnode._component != null && vnode._component.__hooks != null) {
|
||||
// Validate that none of the hooks in this component contain arguments that are NaN.
|
||||
// This is a common mistake that can be hard to debug, so we want to catch it early.
|
||||
const hooks = vnode._component.__hooks._list;
|
||||
if (hooks) {
|
||||
for (let i = 0; i < hooks.length; i += 1) {
|
||||
const hook = hooks[i];
|
||||
if (hook._args) {
|
||||
for (let j = 0; j < hook._args.length; j++) {
|
||||
const arg = hook._args[j];
|
||||
if (isNaN(arg)) {
|
||||
const componentName = getDisplayName(vnode);
|
||||
console.warn(
|
||||
`Invalid argument passed to hook. Hooks should not be called with NaN in the dependency array. Hook index ${i} in component ${componentName} was called with NaN.`
|
||||
);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
const setState = Component.prototype.setState;
|
||||
Component.prototype.setState = function (update, callback) {
|
||||
if (this._vnode == null) {
|
||||
// `this._vnode` will be `null` during componentWillMount. But it
|
||||
// is perfectly valid to call `setState` during cWM. So we
|
||||
// need an additional check to verify that we are dealing with a
|
||||
// call inside constructor.
|
||||
if (this.state == null) {
|
||||
console.warn(
|
||||
`Calling "this.setState" inside the constructor of a component is a ` +
|
||||
`no-op and might be a bug in your application. Instead, set ` +
|
||||
`"this.state = {}" directly.\n\n${getOwnerStack(getCurrentVNode())}`
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
return setState.call(this, update, callback);
|
||||
};
|
||||
|
||||
function isTableElement(type) {
|
||||
return (
|
||||
type === 'table' ||
|
||||
type === 'tfoot' ||
|
||||
type === 'tbody' ||
|
||||
type === 'thead' ||
|
||||
type === 'td' ||
|
||||
type === 'tr' ||
|
||||
type === 'th'
|
||||
);
|
||||
}
|
||||
|
||||
const ILLEGAL_PARAGRAPH_CHILD_ELEMENTS =
|
||||
/^(address|article|aside|blockquote|details|div|dl|fieldset|figcaption|figure|footer|form|h1|h2|h3|h4|h5|h6|header|hgroup|hr|main|menu|nav|ol|p|pre|search|section|table|ul)$/;
|
||||
|
||||
const forceUpdate = Component.prototype.forceUpdate;
|
||||
Component.prototype.forceUpdate = function (callback) {
|
||||
if (this._vnode == null) {
|
||||
console.warn(
|
||||
`Calling "this.forceUpdate" inside the constructor of a component is a ` +
|
||||
`no-op and might be a bug in your application.\n\n${getOwnerStack(
|
||||
getCurrentVNode()
|
||||
)}`
|
||||
);
|
||||
} else if (this._parentDom == null) {
|
||||
console.warn(
|
||||
`Can't call "this.forceUpdate" on an unmounted component. This is a no-op, ` +
|
||||
`but it indicates a memory leak in your application. To fix, cancel all ` +
|
||||
`subscriptions and asynchronous tasks in the componentWillUnmount method.` +
|
||||
`\n\n${getOwnerStack(this._vnode)}`
|
||||
);
|
||||
}
|
||||
return forceUpdate.call(this, callback);
|
||||
};
|
||||
|
||||
/**
|
||||
* Serialize a vnode tree to a string
|
||||
* @param {import('./internal').VNode} vnode
|
||||
* @returns {string}
|
||||
*/
|
||||
export function serializeVNode(vnode) {
|
||||
let { props } = vnode;
|
||||
let name = getDisplayName(vnode);
|
||||
|
||||
let attrs = '';
|
||||
for (let prop in props) {
|
||||
if (props.hasOwnProperty(prop) && prop !== 'children') {
|
||||
let value = props[prop];
|
||||
|
||||
// If it is an object but doesn't have toString(), use Object.toString
|
||||
if (typeof value == 'function') {
|
||||
value = `function ${value.displayName || value.name}() {}`;
|
||||
}
|
||||
|
||||
value =
|
||||
Object(value) === value && !value.toString
|
||||
? Object.prototype.toString.call(value)
|
||||
: value + '';
|
||||
|
||||
attrs += ` ${prop}=${JSON.stringify(value)}`;
|
||||
}
|
||||
}
|
||||
|
||||
let children = props.children;
|
||||
return `<${name}${attrs}${
|
||||
children && children.length ? '>..</' + name + '>' : ' />'
|
||||
}`;
|
||||
}
|
||||
|
||||
options._hydrationMismatch = (newVNode, excessDomChildren) => {
|
||||
const { type } = newVNode;
|
||||
const availableTypes = excessDomChildren
|
||||
.map(child => child && child.localName)
|
||||
.filter(Boolean);
|
||||
console.error(
|
||||
`Expected a DOM node of type ${type} but found ${availableTypes.join(', ')}as available DOM-node(s), this is caused by the SSR'd HTML containing different DOM-nodes compared to the hydrated one.\n\n${getOwnerStack(newVNode)}`
|
||||
);
|
||||
};
|
||||
Loading…
Add table
Add a link
Reference in a new issue