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https://gitee.com/dify_ai/dify.git
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40 lines
1.2 KiB
TypeScript
40 lines
1.2 KiB
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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const chars = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-_'
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export function randomString(length: number) {
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let result = ''
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for (let i = length; i > 0; --i) result += chars[Math.floor(Math.random() * chars.length)]
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return result
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}
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export const getPurifyHref = (href: string) => {
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if (!href)
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return ''
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return href.replace(/javascript:/ig, '').replace(/vbscript:/ig, '').replace(/data:/ig, '')
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}
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