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25 lines
836 B
TypeScript
25 lines
836 B
TypeScript
export const sleep = (ms: number) => {
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return new Promise(resolve => setTimeout(resolve, ms))
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}
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export async function asyncRunSafe<T = any>(fn: Promise<T>): Promise<[Error] | [null, T]> {
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try {
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return [null, await fn]
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}
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catch (e) {
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if (e instanceof Error)
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return [e]
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return [new Error('unknown error')]
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}
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}
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export const getTextWidthWithCanvas = (text: string, font?: string) => {
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const canvas = document.createElement('canvas');
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const ctx = canvas.getContext('2d');
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if (ctx) {
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ctx.font = font ?? '12px Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji"';
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return Number(ctx.measureText(text).width.toFixed(2));
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}
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return 0;
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}
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