Delete sigpro.js
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Natxo
629
sigpro.js
629
sigpro.js
@@ -1,629 +0,0 @@
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// Global state for tracking the current reactive effect
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let activeEffect = null;
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// Queue for batched effect updates
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const effectQueue = new Set();
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let isFlushScheduled = false;
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/**
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* Flushes all pending effects in the queue
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* Executes all queued jobs and clears the queue
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*/
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const flushEffectQueue = () => {
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isFlushScheduled = false;
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try {
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for (const effect of effectQueue) {
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effect.run();
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}
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effectQueue.clear();
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} catch (error) {
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console.error("SigPro Flush Error:", error);
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}
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};
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/**
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* Creates a reactive signal
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* @param {any} initialValue - Initial value or getter function
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* @returns {Function} Signal getter/setter function
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*/
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export const $ = (initialValue) => {
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const subscribers = new Set();
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if (typeof initialValue === "function") {
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// Computed signal case
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let isDirty = true;
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let cachedValue;
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const computedEffect = {
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dependencies: new Set(),
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cleanupHandlers: new Set(),
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markDirty: () => {
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if (!isDirty) {
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isDirty = true;
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subscribers.forEach((subscriber) => {
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if (subscriber.markDirty) subscriber.markDirty();
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effectQueue.add(subscriber);
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});
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}
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},
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run: () => {
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// Clear old dependencies
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computedEffect.dependencies.forEach((dependencySet) => dependencySet.delete(computedEffect));
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computedEffect.dependencies.clear();
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const previousEffect = activeEffect;
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activeEffect = computedEffect;
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try {
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cachedValue = initialValue();
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} finally {
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activeEffect = previousEffect;
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isDirty = false;
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}
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},
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};
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return () => {
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if (activeEffect) {
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subscribers.add(activeEffect);
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activeEffect.dependencies.add(subscribers);
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}
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if (isDirty) computedEffect.run();
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return cachedValue;
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};
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}
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// Regular signal case
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return (...args) => {
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if (args.length) {
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const nextValue = typeof args[0] === "function" ? args[0](initialValue) : args[0];
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if (!Object.is(initialValue, nextValue)) {
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initialValue = nextValue;
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subscribers.forEach((subscriber) => {
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if (subscriber.markDirty) subscriber.markDirty();
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effectQueue.add(subscriber);
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});
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if (!isFlushScheduled && effectQueue.size) {
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isFlushScheduled = true;
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queueMicrotask(flushEffectQueue);
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}
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}
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}
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if (activeEffect) {
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subscribers.add(activeEffect);
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activeEffect.dependencies.add(subscribers);
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}
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return initialValue;
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};
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};
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/**
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* Creates a reactive effect that runs when dependencies change
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* @param {Function} effectFn - The effect function to run
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* @returns {Function} Cleanup function to stop the effect
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*/
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export const $effect = (effectFn) => {
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const effect = {
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dependencies: new Set(),
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cleanupHandlers: new Set(),
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run() {
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// Run cleanup handlers
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this.cleanupHandlers.forEach((handler) => handler());
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this.cleanupHandlers.clear();
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// Clear old dependencies
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this.dependencies.forEach((dependencySet) => dependencySet.delete(this));
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this.dependencies.clear();
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const previousEffect = activeEffect;
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activeEffect = this;
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try {
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const result = effectFn();
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if (typeof result === "function") this.cleanupFunction = result;
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} finally {
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activeEffect = previousEffect;
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}
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},
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stop() {
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this.cleanupHandlers.forEach((handler) => handler());
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this.dependencies.forEach((dependencySet) => dependencySet.delete(this));
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this.cleanupFunction?.();
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},
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};
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if (activeEffect) activeEffect.cleanupHandlers.add(() => effect.stop());
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effect.run();
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return () => effect.stop();
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};
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/**
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* Persistent signal with localStorage
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* @param {string} key - Storage key
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* @param {any} initialValue - Default value if none stored
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* @param {Storage} [storage=localStorage] - Storage type (localStorage/sessionStorage)
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* @returns {Function} Signal that persists to storage
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*/
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export const $storage = (key, initialValue, storage = localStorage) => {
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// Load saved value
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const saved = storage.getItem(key);
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const signal = $(saved !== null ? JSON.parse(saved) : initialValue);
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// Auto-save on changes
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$effect(() => {
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const value = signal();
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if (value === undefined || value === null) {
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storage.removeItem(key);
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} else {
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storage.setItem(key, JSON.stringify(value));
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}
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});
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return signal;
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};
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/**
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* Tagged template literal for creating reactive HTML
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* @param {string[]} strings - Template strings
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* @param {...any} values - Dynamic values
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* @returns {DocumentFragment} Reactive document fragment
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*/
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export const html = (strings, ...values) => {
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const templateCache = html._templateCache ?? (html._templateCache = new WeakMap());
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/**
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* Gets a node by path from root
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* @param {Node} root - Root node
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* @param {number[]} path - Path indices
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* @returns {Node} Target node
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*/
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const getNodeByPath = (root, path) => path.reduce((node, index) => node?.childNodes?.[index], root);
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/**
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* Applies reactive text content to a node
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* @param {Node} node - Target node
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* @param {any[]} values - Values to insert
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*/
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const applyTextContent = (node, values) => {
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const parts = node.textContent.split("{{part}}");
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const parent = node.parentNode;
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let valueIndex = 0;
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parts.forEach((part, index) => {
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if (part) parent.insertBefore(document.createTextNode(part), node);
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if (index < parts.length - 1) {
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const currentValue = values[valueIndex++];
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const startMarker = document.createComment("s");
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const endMarker = document.createComment("e");
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parent.insertBefore(startMarker, node);
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parent.insertBefore(endMarker, node);
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let lastResult;
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$effect(() => {
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let result = typeof currentValue === "function" ? currentValue() : currentValue;
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if (result === lastResult) return;
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lastResult = result;
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if (typeof result !== "object" && !Array.isArray(result)) {
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const textNode = startMarker.nextSibling;
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if (textNode !== endMarker && textNode?.nodeType === 3) {
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textNode.textContent = result ?? "";
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} else {
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while (startMarker.nextSibling !== endMarker) parent.removeChild(startMarker.nextSibling);
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parent.insertBefore(document.createTextNode(result ?? ""), endMarker);
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}
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return;
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}
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// Handle arrays or objects
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while (startMarker.nextSibling !== endMarker) parent.removeChild(startMarker.nextSibling);
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const items = Array.isArray(result) ? result : [result];
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const fragment = document.createDocumentFragment();
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items.forEach((item) => {
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if (item == null || item === false) return;
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const nodeItem = item instanceof Node ? item : document.createTextNode(item);
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fragment.appendChild(nodeItem);
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});
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parent.insertBefore(fragment, endMarker);
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});
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}
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});
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node.remove();
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};
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// Get or create template from cache
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let cachedTemplate = templateCache.get(strings);
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if (!cachedTemplate) {
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const template = document.createElement("template");
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template.innerHTML = strings.join("{{part}}");
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const dynamicNodes = [];
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const treeWalker = document.createTreeWalker(template.content, 133); // NodeFilter.SHOW_ALL
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/**
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* Gets path indices for a node
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* @param {Node} node - Target node
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* @returns {number[]} Path indices
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*/
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const getNodePath = (node) => {
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const path = [];
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while (node && node !== template.content) {
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let index = 0;
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for (let sibling = node.previousSibling; sibling; sibling = sibling.previousSibling) index++;
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path.push(index);
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node = node.parentNode;
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}
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return path.reverse();
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};
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let currentNode;
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while ((currentNode = treeWalker.nextNode())) {
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let isDynamic = false;
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const nodeInfo = {
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type: currentNode.nodeType,
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path: getNodePath(currentNode),
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parts: [],
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};
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if (currentNode.nodeType === 1) {
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// Element node
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for (let i = 0; i < currentNode.attributes.length; i++) {
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const attribute = currentNode.attributes[i];
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if (attribute.value.includes("{{part}}")) {
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nodeInfo.parts.push({ name: attribute.name });
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isDynamic = true;
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}
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}
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} else if (currentNode.nodeType === 3 && currentNode.textContent.includes("{{part}}")) {
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// Text node
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isDynamic = true;
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}
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if (isDynamic) dynamicNodes.push(nodeInfo);
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}
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templateCache.set(strings, (cachedTemplate = { template, dynamicNodes }));
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}
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const fragment = cachedTemplate.template.content.cloneNode(true);
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let valueIndex = 0;
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// Get target nodes before applyTextContent modifies the DOM
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const targets = cachedTemplate.dynamicNodes.map((nodeInfo) => ({
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node: getNodeByPath(fragment, nodeInfo.path),
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info: nodeInfo,
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}));
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targets.forEach(({ node, info }) => {
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if (!node) return;
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if (info.type === 1) {
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// Element node
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info.parts.forEach((part) => {
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const currentValue = values[valueIndex++];
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const attributeName = part.name;
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const firstChar = attributeName[0];
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if (firstChar === "@") {
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const [eventName, ...modifiers] = attributeName.slice(1).split(".");
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const handlerWrapper = (e) => {
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if (modifiers.includes("prevent")) e.preventDefault();
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if (modifiers.includes("stop")) e.stopPropagation();
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if (modifiers.includes("self") && e.target !== node) return;
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// Debounce
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if (modifiers.some((m) => m.startsWith("debounce"))) {
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const ms = modifiers.find((m) => m.startsWith("debounce"))?.split(":")[1] || 300;
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clearTimeout(node._debounceTimer);
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node._debounceTimer = setTimeout(() => currentValue(e), ms);
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return;
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}
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// Once (auto-remover)
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if (modifiers.includes("once")) {
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node.removeEventListener(eventName, handlerWrapper);
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}
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currentValue(e);
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};
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node.addEventListener(eventName, handlerWrapper, {
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passive: modifiers.includes("passive"),
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capture: modifiers.includes("capture"),
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});
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// Cleanup
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if ($effect.onCleanup) {
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$effect.onCleanup(() => node.removeEventListener(eventName, handlerWrapper));
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}
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} else if (firstChar === ":") {
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// Two-way binding
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const propertyName = attributeName.slice(1);
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const eventType = node.type === "checkbox" || node.type === "radio" ? "change" : "input";
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$effect(() => {
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const value = typeof currentValue === "function" ? currentValue() : currentValue;
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if (node[propertyName] !== value) node[propertyName] = value;
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});
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node.addEventListener(eventType, () => {
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const value = eventType === "change" ? node.checked : node.value;
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if (typeof currentValue === "function") currentValue(value);
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});
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} else if (firstChar === "?") {
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// Boolean attribute
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const attrName = attributeName.slice(1);
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$effect(() => {
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const result = typeof currentValue === "function" ? currentValue() : currentValue;
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node.toggleAttribute(attrName, !!result);
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});
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} else if (firstChar === ".") {
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// Property binding
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const propertyName = attributeName.slice(1);
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$effect(() => {
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let result = typeof currentValue === "function" ? currentValue() : currentValue;
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node[propertyName] = result;
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if (result != null && typeof result !== "object" && typeof result !== "boolean") {
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node.setAttribute(propertyName, result);
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}
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});
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} else {
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// Regular attribute
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if (typeof currentValue === "function") {
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$effect(() => node.setAttribute(attributeName, currentValue()));
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} else {
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node.setAttribute(attributeName, currentValue);
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}
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}
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});
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} else if (info.type === 3) {
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// Text node
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const placeholderCount = node.textContent.split("{{part}}").length - 1;
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applyTextContent(node, values.slice(valueIndex, valueIndex + placeholderCount));
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valueIndex += placeholderCount;
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}
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});
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return fragment;
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};
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/**
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* Creates a custom web component with reactive properties
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* @param {string} tagName - Custom element tag name
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* @param {Function} setupFunction - Component setup function
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* @param {string[]} observedAttributes - Array of observed attributes
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*/
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export const $component = (tagName, setupFunction, observedAttributes = []) => {
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if (customElements.get(tagName)) return;
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customElements.define(
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tagName,
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class extends HTMLElement {
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static get observedAttributes() {
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return observedAttributes;
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}
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constructor() {
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super();
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this._propertySignals = {};
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this.cleanupFunctions = [];
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observedAttributes.forEach((attr) => (this._propertySignals[attr] = $(undefined)));
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}
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connectedCallback() {
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const frozenChildren = [...this.childNodes];
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this.innerHTML = "";
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observedAttributes.forEach((attr) => {
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const initialValue = this.hasOwnProperty(attr) ? this[attr] : this.getAttribute(attr);
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Object.defineProperty(this, attr, {
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get: () => this._propertySignals[attr](),
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set: (value) => {
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const processedValue = value === "false" ? false : value === "" && attr !== "value" ? true : value;
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this._propertySignals[attr](processedValue);
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},
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configurable: true,
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});
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if (initialValue !== null && initialValue !== undefined) this[attr] = initialValue;
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||||
});
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const context = {
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select: (selector) => this.querySelector(selector),
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slot: (name) =>
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frozenChildren.filter((node) => {
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const slotName = node.nodeType === 1 ? node.getAttribute("slot") : null;
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return name ? slotName === name : !slotName;
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}),
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emit: (name, detail) => this.dispatchEvent(new CustomEvent(name, { detail, bubbles: true, composed: true })),
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||||
host: this,
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onUnmount: (cleanupFn) => this.cleanupFunctions.push(cleanupFn),
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};
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||||
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||||
const result = setupFunction(this._propertySignals, context);
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||||
if (result instanceof Node) this.appendChild(result);
|
||||
}
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||||
|
||||
attributeChangedCallback(name, oldValue, newValue) {
|
||||
if (this[name] !== newValue) this[name] = newValue;
|
||||
}
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||||
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||||
disconnectedCallback() {
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||||
this.cleanupFunctions.forEach((cleanupFn) => cleanupFn());
|
||||
this.cleanupFunctions = [];
|
||||
}
|
||||
},
|
||||
);
|
||||
};
|
||||
|
||||
/**
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||||
* Ultra-simple fetch wrapper with optional loading signal
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||||
* @param {string} url - Endpoint URL
|
||||
* @param {Object} data - Data to send (automatically JSON.stringify'd)
|
||||
* @param {Function} [loading] - Optional signal function to track loading state
|
||||
* @returns {Promise<Object|null>} Parsed JSON response or null on error
|
||||
*/
|
||||
export const $fetch = async (url, data, loading) => {
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||||
if (loading) loading(true);
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||||
|
||||
try {
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||||
const res = await fetch(url, {
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||||
method: "POST",
|
||||
headers: { "Content-Type": "application/json" },
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||||
body: JSON.stringify(data),
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||||
});
|
||||
return await res.json();
|
||||
} catch (e) {
|
||||
return null;
|
||||
} finally {
|
||||
if (loading) loading(false);
|
||||
}
|
||||
};
|
||||
|
||||
/**
|
||||
* Creates a router for hash-based navigation
|
||||
* @param {Array<{path: string|RegExp, component: Function}>} routes - Route configurations
|
||||
* @returns {HTMLDivElement} Router container element
|
||||
*/
|
||||
export const $router = (routes) => {
|
||||
/**
|
||||
* Gets current path from hash
|
||||
* @returns {string} Current path
|
||||
*/
|
||||
const getCurrentPath = () => window.location.hash.replace(/^#/, "") || "/";
|
||||
|
||||
const currentPath = $(getCurrentPath());
|
||||
const container = document.createElement("div");
|
||||
container.style.display = "contents";
|
||||
|
||||
window.addEventListener("hashchange", () => {
|
||||
const nextPath = getCurrentPath();
|
||||
if (currentPath() !== nextPath) currentPath(nextPath);
|
||||
});
|
||||
|
||||
$effect(() => {
|
||||
const path = currentPath();
|
||||
let matchedRoute = null;
|
||||
let routeParams = {};
|
||||
|
||||
for (const route of routes) {
|
||||
if (route.path instanceof RegExp) {
|
||||
const match = path.match(route.path);
|
||||
if (match) {
|
||||
matchedRoute = route;
|
||||
routeParams = match.groups || { id: match[1] };
|
||||
break;
|
||||
}
|
||||
} else if (route.path === path) {
|
||||
matchedRoute = route;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
const previousEffect = activeEffect;
|
||||
activeEffect = null;
|
||||
|
||||
try {
|
||||
const view = matchedRoute
|
||||
? matchedRoute.component(routeParams)
|
||||
: html`
|
||||
<h1>404</h1>
|
||||
`;
|
||||
|
||||
container.replaceChildren(view instanceof Node ? view : document.createTextNode(view ?? ""));
|
||||
} finally {
|
||||
activeEffect = previousEffect;
|
||||
}
|
||||
});
|
||||
|
||||
return container;
|
||||
};
|
||||
|
||||
/**
|
||||
* Navigates to a specific route
|
||||
* @param {string} path - Target path
|
||||
*/
|
||||
$router.go = (path) => {
|
||||
const targetPath = path.startsWith("/") ? path : `/${path}`;
|
||||
if (window.location.hash !== `#${targetPath}`) window.location.hash = targetPath;
|
||||
};
|
||||
|
||||
/**
|
||||
* Simple WebSocket wrapper with signals
|
||||
* @param {string} url - WebSocket URL
|
||||
* @param {Object} options - Auto-reconnect options
|
||||
* @returns {Object} WebSocket with reactive signals
|
||||
*/
|
||||
export const $ws = (url, options = {}) => {
|
||||
const { reconnect = true, maxReconnect = 5, reconnectInterval = 1000 } = options;
|
||||
|
||||
const status = $("disconnected");
|
||||
const messages = $([]);
|
||||
const error = $(null);
|
||||
|
||||
let ws = null;
|
||||
let reconnectAttempts = 0;
|
||||
let reconnectTimer = null;
|
||||
|
||||
const connect = () => {
|
||||
status("connecting");
|
||||
ws = new WebSocket(url);
|
||||
|
||||
ws.onopen = () => {
|
||||
status("connected");
|
||||
reconnectAttempts = 0;
|
||||
error(null);
|
||||
};
|
||||
|
||||
ws.onmessage = (e) => {
|
||||
messages([...messages(), e.data]);
|
||||
};
|
||||
|
||||
ws.onerror = (err) => {
|
||||
error(err);
|
||||
status("error");
|
||||
};
|
||||
|
||||
ws.onclose = () => {
|
||||
status("disconnected");
|
||||
|
||||
if (reconnect && reconnectAttempts < maxReconnect) {
|
||||
reconnectTimer = setTimeout(
|
||||
() => {
|
||||
reconnectAttempts++;
|
||||
connect();
|
||||
},
|
||||
reconnectInterval * Math.pow(2, reconnectAttempts),
|
||||
);
|
||||
}
|
||||
};
|
||||
};
|
||||
|
||||
const send = (data) => {
|
||||
if (ws?.readyState === WebSocket.OPEN) {
|
||||
ws.send(typeof data === "string" ? data : JSON.stringify(data));
|
||||
}
|
||||
};
|
||||
|
||||
const close = () => {
|
||||
if (reconnectTimer) clearTimeout(reconnectTimer);
|
||||
if (ws) {
|
||||
ws.close();
|
||||
ws = null;
|
||||
}
|
||||
};
|
||||
|
||||
connect();
|
||||
|
||||
if ($effect?.onCleanup) $effect.onCleanup(close);
|
||||
|
||||
return { status, messages, error, send, close };
|
||||
};
|
||||
|
||||
$.effect = $effect;
|
||||
$.component = $component;
|
||||
$.fetch = $fetch;
|
||||
$.router = $router;
|
||||
$.ws = $ws;
|
||||
$.storage = $storage;
|
||||
Reference in New Issue
Block a user