Last commit july 5th

spa/node_modules/preact/debug/LICENSE

@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015-present Jason Miller
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

spa/node_modules/preact/debug/package.json

@@ -0,0 +1,27 @@
+{
+  "name": "preact-debug",
+  "amdName": "preactDebug",
+  "version": "1.0.0",
+  "private": true,
+  "description": "Preact extensions for development",
+  "main": "dist/debug.js",
+  "module": "dist/debug.module.js",
+  "umd:main": "dist/debug.umd.js",
+  "source": "src/index.js",
+  "license": "MIT",
+  "mangle": {
+    "regex": "^(?!_renderer)^_"
+  },
+  "peerDependencies": {
+    "preact": "^10.0.0"
+  },
+  "exports": {
+    ".": {
+      "types": "./src/index.d.ts",
+      "browser": "./dist/debug.module.js",
+      "umd": "./dist/debug.umd.js",
+      "import": "./dist/debug.mjs",
+      "require": "./dist/debug.js"
+    }
+  }
+}

spa/node_modules/preact/debug/src/check-props.js

@@ -0,0 +1,54 @@
+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 messages are memorized and will only be shown once.
+ *
+ * Adapted from https://github.com/facebook/prop-types/blob/master/checkPropTypes.js
+ *
+ * @param {object} typeSpecs Map of name to a ReactPropType
+ * @param {object} values Runtime values that need to be type-checked
+ * @param {string} location e.g. "prop", "context", "child context"
+ * @param {string} componentName Name of the component for error messages.
+ * @param {?Function} getStack Returns the component stack.
+ */
+export function checkPropTypes(
+	typeSpecs,
+	values,
+	location,
+	componentName,
+	getStack
+) {
+	Object.keys(typeSpecs).forEach(typeSpecName => {
+		let error;
+		try {
+			error = typeSpecs[typeSpecName](
+				values,
+				typeSpecName,
+				componentName,
+				location,
+				null,
+				ReactPropTypesSecret
+			);
+		} catch (e) {
+			error = e;
+		}
+		if (error && !(error.message in loggedTypeFailures)) {
+			loggedTypeFailures[error.message] = true;
+			console.error(
+				`Failed ${location} type: ${error.message}${
+					(getStack && `\n${getStack()}`) || ''
+				}`
+			);
+		}
+	});
+}

spa/node_modules/preact/debug/src/component-stack.js

@@ -0,0 +1,146 @@
+import { options, Fragment } from 'preact';
+
+/**
+ * Get human readable name of the component/dom node
+ * @param {import('./internal').VNode} vnode
+ * @param {import('./internal').VNode} vnode
+ * @returns {string}
+ */
+export function getDisplayName(vnode) {
+	if (vnode.type === Fragment) {
+		return 'Fragment';
+	} else if (typeof vnode.type == 'function') {
+		return vnode.type.displayName || vnode.type.name;
+	} else if (typeof vnode.type == 'string') {
+		return vnode.type;
+	}
+
+	return '#text';
+}
+
+/**
+ * Used to keep track of the currently rendered `vnode` and print it
+ * in debug messages.
+ */
+let renderStack = [];
+
+/**
+ * Keep track of the current owners. An owner describes a component
+ * which was responsible to render a specific `vnode`. This exclude
+ * children that are passed via `props.children`, because they belong
+ * to the parent owner.
+ *
+ * ```jsx
+ * const Foo = props => <div>{props.children}</div> // div's owner is Foo
+ * const Bar = props => {
+ *   return (
+ *     <Foo><span /></Foo> // Foo's owner is Bar, span's owner is Bar
+ *   )
+ * }
+ * ```
+ *
+ * Note: A `vnode` may be hoisted to the root scope due to compiler
+ * optimiztions. In these cases the `_owner` will be different.
+ */
+let ownerStack = [];
+
+/**
+ * Get the currently rendered `vnode`
+ * @returns {import('./internal').VNode | null}
+ */
+export function getCurrentVNode() {
+	return renderStack.length > 0 ? renderStack[renderStack.length - 1] : null;
+}
+
+/**
+ * If the user doesn't have `@babel/plugin-transform-react-jsx-source`
+ * somewhere in his tool chain we can't print the filename and source
+ * location of a component. In that case we just omit that, but we'll
+ * print a helpful message to the console, notifying the user of it.
+ */
+let showJsxSourcePluginWarning = true;
+
+/**
+ * Check if a `vnode` is a possible owner.
+ * @param {import('./internal').VNode} vnode
+ */
+function isPossibleOwner(vnode) {
+	return typeof vnode.type == 'function' && vnode.type != Fragment;
+}
+
+/**
+ * Return the component stack that was captured up to this point.
+ * @param {import('./internal').VNode} vnode
+ * @returns {string}
+ */
+export function getOwnerStack(vnode) {
+	const stack = [vnode];
+	let next = vnode;
+	while (next._owner != null) {
+		stack.push(next._owner);
+		next = next._owner;
+	}
+
+	return stack.reduce((acc, owner) => {
+		acc += `  in ${getDisplayName(owner)}`;
+
+		const source = owner.__source;
+		if (source) {
+			acc += ` (at ${source.fileName}:${source.lineNumber})`;
+		} else if (showJsxSourcePluginWarning) {
+			console.warn(
+				'Add @babel/plugin-transform-react-jsx-source to get a more detailed component stack. Note that you should not add it to production builds of your App for bundle size reasons.'
+			);
+		}
+		showJsxSourcePluginWarning = false;
+
+		return (acc += '\n');
+	}, '');
+}
+
+/**
+ * Setup code to capture the component trace while rendering. Note that
+ * we cannot simply traverse `vnode._parent` upwards, because we have some
+ * debug messages for `this.setState` where the `vnode` is `undefined`.
+ */
+export function setupComponentStack() {
+	let oldDiff = options._diff;
+	let oldDiffed = options.diffed;
+	let oldRoot = options._root;
+	let oldVNode = options.vnode;
+	let oldRender = options._render;
+
+	options.diffed = vnode => {
+		if (isPossibleOwner(vnode)) {
+			ownerStack.pop();
+		}
+		renderStack.pop();
+		if (oldDiffed) oldDiffed(vnode);
+	};
+
+	options._diff = vnode => {
+		if (isPossibleOwner(vnode)) {
+			renderStack.push(vnode);
+		}
+		if (oldDiff) oldDiff(vnode);
+	};
+
+	options._root = (vnode, parent) => {
+		ownerStack = [];
+		if (oldRoot) oldRoot(vnode, parent);
+	};
+
+	options.vnode = vnode => {
+		vnode._owner =
+			ownerStack.length > 0 ? ownerStack[ownerStack.length - 1] : null;
+		if (oldVNode) oldVNode(vnode);
+	};
+
+	options._render = vnode => {
+		if (isPossibleOwner(vnode)) {
+			ownerStack.push(vnode);
+		}
+
+		if (oldRender) oldRender(vnode);
+	};
+}

spa/node_modules/preact/debug/src/constants.js

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+export const ELEMENT_NODE = 1;
+export const DOCUMENT_NODE = 9;
+export const DOCUMENT_FRAGMENT_NODE = 11;

spa/node_modules/preact/debug/src/debug.js

@@ -0,0 +1,584 @@
+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 { assign, isNaN } from './util';
+
+const isWeakMapSupported = typeof WeakMap == 'function';
+
+/**
+ * @param {import('./internal').VNode} vnode
+ * @returns {Array<string>}
+ */
+function getDomChildren(vnode) {
+	let domChildren = [];
+
+	if (!vnode._children) return domChildren;
+
+	vnode._children.forEach(child => {
+		if (child && typeof child.type === 'function') {
+			domChildren.push.apply(domChildren, getDomChildren(child));
+		} else if (child && typeof child.type === 'string') {
+			domChildren.push(child.type);
+		}
+	});
+
+	return domChildren;
+}
+
+/**
+ * @param {import('./internal').VNode} parent
+ * @returns {string}
+ */
+function getClosestDomNodeParentName(parent) {
+	if (!parent) return '';
+	if (typeof parent.type == 'function') {
+		if (parent._parent === null) {
+			if (parent._dom !== null && parent._dom.parentNode !== null) {
+				return parent._dom.parentNode.localName;
+			}
+			return '';
+		}
+		return getClosestDomNodeParentName(parent._parent);
+	}
+	return /** @type {string} */ (parent.type);
+}
+
+export function initDebug() {
+	setupComponentStack();
+
+	let hooksAllowed = false;
+
+	/* eslint-disable no-console */
+	let oldBeforeDiff = options._diff;
+	let oldDiffed = options.diffed;
+	let oldVnode = options.vnode;
+	let oldRender = options._render;
+	let oldCatchError = options._catchError;
+	let oldRoot = options._root;
+	let oldHook = options._hook;
+	const warnedComponents = !isWeakMapSupported
+		? null
+		: {
+				useEffect: new WeakMap(),
+				useLayoutEffect: new WeakMap(),
+				lazyPropTypes: new WeakMap()
+			};
+	const deprecations = [];
+
+	options._catchError = (error, vnode, oldVNode, errorInfo) => {
+		let component = vnode && vnode._component;
+		if (component && typeof error.then == 'function') {
+			const promise = error;
+			error = new Error(
+				`Missing Suspense. The throwing component was: ${getDisplayName(vnode)}`
+			);
+
+			let parent = vnode;
+			for (; parent; parent = parent._parent) {
+				if (parent._component && parent._component._childDidSuspend) {
+					error = promise;
+					break;
+				}
+			}
+
+			// We haven't recovered and we know at this point that there is no
+			// Suspense component higher up in the tree
+			if (error instanceof Error) {
+				throw error;
+			}
+		}
+
+		try {
+			errorInfo = errorInfo || {};
+			errorInfo.componentStack = getOwnerStack(vnode);
+			oldCatchError(error, vnode, oldVNode, errorInfo);
+
+			// when an error was handled by an ErrorBoundary we will nonetheless emit an error
+			// event on the window object. This is to make up for react compatibility in dev mode
+			// and thus make the Next.js dev overlay work.
+			if (typeof error.then != 'function') {
+				setTimeout(() => {
+					throw error;
+				});
+			}
+		} catch (e) {
+			throw e;
+		}
+	};
+
+	options._root = (vnode, parentNode) => {
+		if (!parentNode) {
+			throw new Error(
+				'Undefined parent passed to render(), this is the second argument.\n' +
+					'Check if the element is available in the DOM/has the correct id.'
+			);
+		}
+
+		let isValid;
+		switch (parentNode.nodeType) {
+			case ELEMENT_NODE:
+			case DOCUMENT_FRAGMENT_NODE:
+			case DOCUMENT_NODE:
+				isValid = true;
+				break;
+			default:
+				isValid = false;
+		}
+
+		if (!isValid) {
+			let componentName = getDisplayName(vnode);
+			throw new Error(
+				`Expected a valid HTML node as a second argument to render.	Received ${parentNode} instead: render(<${componentName} />, ${parentNode});`
+			);
+		}
+
+		if (oldRoot) oldRoot(vnode, parentNode);
+	};
+
+	options._diff = vnode => {
+		let { type } = vnode;
+
+		hooksAllowed = true;
+
+		if (type === undefined) {
+			throw new Error(
+				'Undefined component passed to createElement()\n\n' +
+					'You likely forgot to export your component or might have mixed up default and named imports' +
+					serializeVNode(vnode) +
+					`\n\n${getOwnerStack(vnode)}`
+			);
+		} else if (type != null && typeof type == 'object') {
+			if (type._children !== undefined && type._dom !== undefined) {
+				throw new Error(
+					`Invalid type passed to createElement(): ${type}\n\n` +
+						'Did you accidentally pass a JSX literal as JSX twice?\n\n' +
+						`  let My${getDisplayName(vnode)} = ${serializeVNode(type)};\n` +
+						`  let vnode = <My${getDisplayName(vnode)} />;\n\n` +
+						'This usually happens when you export a JSX literal and not the component.' +
+						`\n\n${getOwnerStack(vnode)}`
+				);
+			}
+
+			throw new Error(
+				'Invalid type passed to createElement(): ' +
+					(Array.isArray(type) ? 'array' : type)
+			);
+		}
+
+		if (
+			vnode.ref !== undefined &&
+			typeof vnode.ref != 'function' &&
+			typeof vnode.ref != 'object' &&
+			!('$$typeof' in vnode) // allow string refs when preact-compat is installed
+		) {
+			throw new Error(
+				`Component's "ref" property should be a function, or an object created ` +
+					`by createRef(), but got [${typeof vnode.ref}] instead\n` +
+					serializeVNode(vnode) +
+					`\n\n${getOwnerStack(vnode)}`
+			);
+		}
+
+		if (typeof vnode.type == 'string') {
+			for (const key in vnode.props) {
+				if (
+					key[0] === 'o' &&
+					key[1] === 'n' &&
+					typeof vnode.props[key] != 'function' &&
+					vnode.props[key] != null
+				) {
+					throw new Error(
+						`Component's "${key}" property should be a function, ` +
+							`but got [${typeof vnode.props[key]}] instead\n` +
+							serializeVNode(vnode) +
+							`\n\n${getOwnerStack(vnode)}`
+					);
+				}
+			}
+		}
+
+		// Check prop-types if available
+		if (typeof vnode.type == 'function' && vnode.type.propTypes) {
+			if (
+				vnode.type.displayName === 'Lazy' &&
+				warnedComponents &&
+				!warnedComponents.lazyPropTypes.has(vnode.type)
+			) {
+				const m =
+					'PropTypes are not supported on lazy(). Use propTypes on the wrapped component itself. ';
+				try {
+					const lazyVNode = vnode.type();
+					warnedComponents.lazyPropTypes.set(vnode.type, true);
+					console.warn(
+						m + `Component wrapped in lazy() is ${getDisplayName(lazyVNode)}`
+					);
+				} catch (promise) {
+					console.warn(
+						m + "We will log the wrapped component's name once it is loaded."
+					);
+				}
+			}
+
+			let values = vnode.props;
+			if (vnode.type._forwarded) {
+				values = assign({}, values);
+				delete values.ref;
+			}
+
+			checkPropTypes(
+				vnode.type.propTypes,
+				values,
+				'prop',
+				getDisplayName(vnode),
+				() => getOwnerStack(vnode)
+			);
+		}
+
+		if (oldBeforeDiff) oldBeforeDiff(vnode);
+	};
+
+	let renderCount = 0;
+	let currentComponent;
+	options._render = vnode => {
+		if (oldRender) {
+			oldRender(vnode);
+		}
+		hooksAllowed = true;
+
+		const nextComponent = vnode._component;
+		if (nextComponent === currentComponent) {
+			renderCount++;
+		} else {
+			renderCount = 1;
+		}
+
+		if (renderCount >= 25) {
+			throw new Error(
+				`Too many re-renders. This is limited to prevent an infinite loop ` +
+					`which may lock up your browser. The component causing this is: ${getDisplayName(
+						vnode
+					)}`
+			);
+		}
+
+		currentComponent = nextComponent;
+	};
+
+	options._hook = (comp, index, type) => {
+		if (!comp || !hooksAllowed) {
+			throw new Error('Hook can only be invoked from render methods.');
+		}
+
+		if (oldHook) oldHook(comp, index, type);
+	};
+
+	// Ideally we'd want to print a warning once per component, but we
+	// don't have access to the vnode that triggered it here. As a
+	// compromise and to avoid flooding the console with warnings we
+	// print each deprecation warning only once.
+	const warn = (property, message) => ({
+		get() {
+			const key = 'get' + property + message;
+			if (deprecations && deprecations.indexOf(key) < 0) {
+				deprecations.push(key);
+				console.warn(`getting vnode.${property} is deprecated, ${message}`);
+			}
+		},
+		set() {
+			const key = 'set' + property + message;
+			if (deprecations && deprecations.indexOf(key) < 0) {
+				deprecations.push(key);
+				console.warn(`setting vnode.${property} is not allowed, ${message}`);
+			}
+		}
+	});
+
+	const deprecatedAttributes = {
+		nodeName: warn('nodeName', 'use vnode.type'),
+		attributes: warn('attributes', 'use vnode.props'),
+		children: warn('children', 'use vnode.props.children')
+	};
+
+	const deprecatedProto = Object.create({}, deprecatedAttributes);
+
+	options.vnode = vnode => {
+		const props = vnode.props;
+		if (
+			vnode.type !== null &&
+			props != null &&
+			('__source' in props || '__self' in props)
+		) {
+			const newProps = (vnode.props = {});
+			for (let i in props) {
+				const v = props[i];
+				if (i === '__source') vnode.__source = v;
+				else if (i === '__self') vnode.__self = v;
+				else newProps[i] = v;
+			}
+		}
+
+		// eslint-disable-next-line
+		vnode.__proto__ = deprecatedProto;
+		if (oldVnode) oldVnode(vnode);
+	};
+
+	options.diffed = vnode => {
+		const { type, _parent: parent } = vnode;
+		// Check if the user passed plain objects as children. Note that we cannot
+		// move this check into `options.vnode` because components can receive
+		// children in any shape they want (e.g.
+		// `<MyJSONFormatter>{{ foo: 123, bar: "abc" }}</MyJSONFormatter>`).
+		// Putting this check in `options.diffed` ensures that
+		// `vnode._children` is set and that we only validate the children
+		// that were actually rendered.
+		if (vnode._children) {
+			vnode._children.forEach(child => {
+				if (typeof child === 'object' && child && child.type === undefined) {
+					const keys = Object.keys(child).join(',');
+					throw new Error(
+						`Objects are not valid as a child. Encountered an object with the keys {${keys}}.` +
+							`\n\n${getOwnerStack(vnode)}`
+					);
+				}
+			});
+		}
+
+		if (vnode._component === currentComponent) {
+			renderCount = 0;
+		}
+
+		if (
+			typeof type === 'string' &&
+			(isTableElement(type) ||
+				type === 'p' ||
+				type === 'a' ||
+				type === 'button')
+		) {
+			// Avoid false positives when Preact only partially rendered the
+			// HTML tree. Whilst we attempt to include the outer DOM in our
+			// validation, this wouldn't work on the server for
+			// `preact-render-to-string`. There we'd otherwise flood the terminal
+			// with false positives, which we'd like to avoid.
+			let domParentName = getClosestDomNodeParentName(parent);
+			if (domParentName !== '') {
+				if (
+					type === 'table' &&
+					// Tables can be nested inside each other if it's inside a cell.
+					// See https://developer.mozilla.org/en-US/docs/Learn/HTML/Tables/Advanced#nesting_tables
+					domParentName !== 'td' &&
+					isTableElement(domParentName)
+				) {
+					console.log(domParentName, parent._dom);
+					console.error(
+						'Improper nesting of table. Your <table> should not have a table-node parent.' +
+							serializeVNode(vnode) +
+							`\n\n${getOwnerStack(vnode)}`
+					);
+				} else if (
+					(type === 'thead' || type === 'tfoot' || type === 'tbody') &&
+					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);
+								throw new Error(
+									`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 + '>' : ' />'
+	}`;
+}

spa/node_modules/preact/debug/src/index.d.ts

@@ -0,0 +1,4 @@
+/**
+ * Reset the history of which prop type warnings have been logged.
+ */
+export function resetPropWarnings(): void;

spa/node_modules/preact/debug/src/index.js

@@ -0,0 +1,6 @@
+import { initDebug } from './debug';
+import 'preact/devtools';
+
+initDebug();
+
+export { resetPropWarnings } from './check-props';

spa/node_modules/preact/debug/src/internal.d.ts

@@ -0,0 +1,82 @@
+import { Component, PreactElement, VNode, Options } from '../../src/internal';
+
+export { Component, PreactElement, VNode, Options };
+
+export interface DevtoolsInjectOptions {
+	/** 1 = DEV, 0 = production */
+	bundleType: 1 | 0;
+	/** The devtools enable different features for different versions of react */
+	version: string;
+	/** Informative string, currently unused in the devtools  */
+	rendererPackageName: string;
+	/** Find the root dom node of a vnode */
+	findHostInstanceByFiber(vnode: VNode): HTMLElement | null;
+	/** Find the closest vnode given a dom node */
+	findFiberByHostInstance(instance: HTMLElement): VNode | null;
+}
+
+export interface DevtoolsUpdater {
+	setState(objOrFn: any): void;
+	forceUpdate(): void;
+	setInState(path: Array<string | number>, value: any): void;
+	setInProps(path: Array<string | number>, value: any): void;
+	setInContext(): void;
+}
+
+export type NodeType = 'Composite' | 'Native' | 'Wrapper' | 'Text';
+
+export interface DevtoolData {
+	nodeType: NodeType;
+	// Component type
+	type: any;
+	name: string;
+	ref: any;
+	key: string | number;
+	updater: DevtoolsUpdater | null;
+	text: string | number | null;
+	state: any;
+	props: any;
+	children: VNode[] | string | number | null;
+	publicInstance: PreactElement | Text | Component;
+	memoizedInteractions: any[];
+
+	actualDuration: number;
+	actualStartTime: number;
+	treeBaseDuration: number;
+}
+
+export type EventType =
+	| 'unmount'
+	| 'rootCommitted'
+	| 'root'
+	| 'mount'
+	| 'update'
+	| 'updateProfileTimes';
+
+export interface DevtoolsEvent {
+	data?: DevtoolData;
+	internalInstance: VNode;
+	renderer: string;
+	type: EventType;
+}
+
+export interface DevtoolsHook {
+	_renderers: Record<string, any>;
+	_roots: Set<VNode>;
+	on(ev: string, listener: () => void): void;
+	emit(ev: string, data?: object): void;
+	helpers: Record<string, any>;
+	getFiberRoots(rendererId: string): Set<any>;
+	inject(config: DevtoolsInjectOptions): string;
+	onCommitFiberRoot(rendererId: string, root: VNode): void;
+	onCommitFiberUnmount(rendererId: string, vnode: VNode): void;
+}
+
+export interface DevtoolsWindow extends Window {
+	/**
+	 * If the devtools extension is installed it will inject this object into
+	 * the dom. This hook handles all communications between preact and the
+	 * devtools panel.
+	 */
+	__REACT_DEVTOOLS_GLOBAL_HOOK__?: DevtoolsHook;
+}

spa/node_modules/preact/debug/src/util.js

@@ -0,0 +1,15 @@
+/**
+ * Assign properties from `props` to `obj`
+ * @template O, P The obj and props types
+ * @param {O} obj The object to copy properties to
+ * @param {P} props The object to copy properties from
+ * @returns {O & P}
+ */
+export function assign(obj, props) {
+	for (let i in props) obj[i] = props[i];
+	return /** @type {O & P} */ (obj);
+}
+
+export function isNaN(value) {
+	return value !== value;
+}