22 lines
629 B
TypeScript
22 lines
629 B
TypeScript
export async function generateBuildId(
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generate: () => string | null,
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fallback: () => string
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): Promise<string> {
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let buildId = await generate()
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// If there's no buildId defined we'll fall back
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if (buildId === null) {
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// We also create a new buildId if it contains the word `ad` to avoid false
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// positives with ad blockers
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while (!buildId || /ad/i.test(buildId)) {
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buildId = fallback()
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}
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}
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if (typeof buildId !== 'string') {
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throw new Error(
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'generateBuildId did not return a string. https://err.sh/vercel/next.js/generatebuildid-not-a-string'
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)
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}
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return buildId.trim()
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}
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