forked from Mike/freno-dev
58 lines
1.5 KiB
TypeScript
58 lines
1.5 KiB
TypeScript
import { createSignal, onMount, onCleanup, Accessor } from "solid-js";
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export const MOBILE_BREAKPOINT = 768;
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/**
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* Creates a reactive window width signal that updates on resize
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* @param debounceMs Optional debounce delay in milliseconds
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* @returns Accessor for current window width
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*/
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export function createWindowWidth(debounceMs?: number): Accessor<number> {
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const initialWidth = typeof window !== "undefined" ? window.innerWidth : 1024;
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const [width, setWidth] = createSignal(initialWidth);
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onMount(() => {
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let timeoutId: ReturnType<typeof setTimeout> | undefined;
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const handleResize = () => {
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if (debounceMs) {
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clearTimeout(timeoutId);
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timeoutId = setTimeout(() => {
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setWidth(window.innerWidth);
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}, debounceMs);
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} else {
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setWidth(window.innerWidth);
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}
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};
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window.addEventListener("resize", handleResize);
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onCleanup(() => {
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clearTimeout(timeoutId);
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window.removeEventListener("resize", handleResize);
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});
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});
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return width;
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}
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/**
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* Checks if the current window width is in mobile viewport
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* @param width Current window width
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* @returns true if mobile viewport
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*/
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export function isMobile(width: number): boolean {
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return width < MOBILE_BREAKPOINT;
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}
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/**
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* Creates a derived signal for mobile state
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* @param windowWidth Window width accessor
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* @returns Accessor for mobile state
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*/
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export function createIsMobile(
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windowWidth: Accessor<number>
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): Accessor<boolean> {
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return () => isMobile(windowWidth());
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}
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