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export function format(lyric, tlyric) {
const lyricArray = trimLyric(lyric)
const tlyricArray = trimLyric(tlyric)
if (tlyricArray.length === 0) {
return lyric
}
const result = []
for (let i = 0, j = 0; i < lyricArray.length && j < tlyricArray.length; i += 1) {
const time = lyricArray[i].time
let text = lyricArray[i].text
while (time > tlyricArray[j].time && j + 1 < tlyricArray.length) {
j += 1
}
if (time === tlyricArray[j].time && tlyricArray[j].text.length) {
text = `${text} (${tlyricArray[j].text})`
}
result.push({
time,
text
})
}
return result
.map(x => {
const minus = Math.floor(x.time / 60000).toString().padStart(2, '0')
const second = Math.floor((x.time % 60000) / 1000).toString().padStart(2, '0')
const millisecond = Math.floor((x.time % 1000)).toString().padStart(3, '0')
return `[${minus}:${second}.${millisecond}]${x.text}`
})
.join('\n')
}
const trimLyric = (lyric) => {
const result = []
const lines = lyric.split('\n')
for (const line of lines) {
const match = line.match(/^\[(\d{2}):(\d{2}\.\d*)\](.*)$/)
if (match) {
result.push({
time: parseInt(parseInt(match[1], 10) * 60 * 1000 + parseFloat(match[2]) * 1000),
text: match[3]
})
}
}
return result.sort((a, b) => a.time - b.time)
}
export const getPathFromURL = (url, strict = true) => {
const queryIndex = url.indexOf("?");
const result = url.substring(url.indexOf("/", 8), queryIndex === -1 ? url.length : queryIndex);
if (strict === false && result.endsWith("/")) {
return result.slice(0, -1);
}
return result;
};
export const get_runtime = () => {
if (globalThis?.process?.env?.RUNTIME) {
return globalThis?.process?.env?.RUNTIME
}
if (globalThis?.Deno !== undefined) {
return 'deno'
}
if (globalThis?.Bun !== undefined) {
return 'bun'
}
if (typeof globalThis?.WebSocketPair === 'function') {
return 'cloudflare'
}
if (globalThis?.fastly !== undefined) {
return 'fastly'
}
if (typeof globalThis?.EdgeRuntime === 'string') {
return 'vercel'
}
if (globalThis?.process?.release?.name === 'node') {
return 'node'
}
if (globalThis?.__lagon__ !== undefined) {
return 'lagon'
}
return 'other'
}
export const get_url = (ctx) => {
const runtime = get_runtime()
const perfix = ctx.req.header('X-Forwarded-Host') || ctx.req.header('X-Forwarded-Url')
let req_url = perfix ? perfix + getPathFromURL(ctx.req.url.split('?')[0]) : ctx.req.url.split('?')[0]
if (!req_url.startsWith('http')) req_url = 'http://' + req_url
if (runtime === 'vercel') req_url = req_url.replace('http://', 'https://')
return req_url
}
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