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Web worker support #82

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Web worker support #82

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680c684
Include webworker in ts config
perry-mitchell Mar 26, 2021
0180ded
Detect webworker for prng fetch
perry-mitchell Mar 26, 2021
bfa1663
Remove WebWorker type ref
perry-mitchell Mar 26, 2021
63d6d45
Ignore webworker test
perry-mitchell Mar 26, 2021
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7 changes: 6 additions & 1 deletion lib/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,11 @@ function createError(message: string): LibError {
return err
}

function inWebWorker(): boolean {
// @ts-ignore
return typeof WorkerGlobalScope !== "undefined" && self instanceof WorkerGlobalScope
}

// These values should NEVER change. If
// they do, we're no longer making ulids!
const ENCODING = "0123456789ABCDEFGHJKMNPQRSTVWXYZ" // Crockford's Base32
Expand Down Expand Up @@ -117,7 +122,7 @@ export function decodeTime(id: string): number {

export function detectPrng(allowInsecure: boolean = false, root?: any): PRNG {
if (!root) {
root = typeof window !== "undefined" ? window : null
root = typeof window !== "undefined" ? window : inWebWorker() ? self : null
}

const browserCrypto = root && (root.crypto || root.msCrypto)
Expand Down