21789450455

Committed 08 Feb 2026 12:33AM UTC coverage: 96.205% (-0.04%) from 96.24%

Build # 21789450455

Build Type

push

github

Committed by

web-flow

Commit Message

Update docs link (#276)

Run Details

408 of 411 branches covered (99.27%)

Branch coverage included in aggregate %.

2330 of 2435 relevant lines covered (95.69%)

70291.87 hits per line

Source File
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78.38

/src/util/byteArray.ts

/** @public */
export function bytesToArrayBuffer(b: Uint8Array): ArrayBuffer {
  if (b.buffer instanceof ArrayBuffer) {
    if (b.byteOffset === 0 && b.byteLength === b.buffer.byteLength) {
      return b.buffer
    }
    return b.buffer.slice(b.byteOffset, b.byteOffset + b.byteLength)
  } else {
    const ab = new ArrayBuffer(b.byteLength)
    const arr = new Uint8Array(ab)
    arr.set(b, 0)
    return ab
  }
}
/** @public */
export function toBufferSource(b: Uint8Array): BufferSource {
  if (b.buffer instanceof ArrayBuffer) return b as Uint8Array<ArrayBuffer>
  const ab = new ArrayBuffer(b.byteLength)
  const arr = new Uint8Array(ab)
  arr.set(b, 0)
  return ab
}

/** @public */
export function bytesToBase64(bytes: Uint8Array): string {
  if (typeof Buffer !== "undefined") {
    return Buffer.from(bytes).toString("base64")
  } else {
    let binary = ""
    bytes.forEach((b) => (binary += String.fromCharCode(b)))
    return globalThis.btoa(binary)
  }
}

/** @public */
export function base64ToBytes(base64: string): Uint8Array {
  if (typeof Buffer !== "undefined") {
    return Uint8Array.from(Buffer.from(base64, "base64"))
  } else {
    const binary = globalThis.atob(base64)
    const bytes = new Uint8Array(binary.length)
    for (let i = 0; i < binary.length; i++) {
      bytes[i] = binary.charCodeAt(i)
    }
    return bytes
  }
}

export function concatUint8Arrays(a: Uint8Array, b: Uint8Array): Uint8Array {
  const result = new Uint8Array(a.length + b.length)
  result.set(a, 0)
  result.set(b, a.length)
  return result
}

/** @public */
export function zeroOutUint8Array(buf: Uint8Array): void {
  crypto.getRandomValues(buf)
  for (let i = 0; i < buf.length; i++) {
    buf[i]! ^= buf[i]!
  }
}

1	/** @public */
2	export function bytesToArrayBuffer(b: Uint8Array): ArrayBuffer {
3	if (b.buffer instanceof ArrayBuffer) {	628,408✔
4	if (b.byteOffset === 0 && b.byteLength === b.buffer.byteLength) {	628,406✔
5	return b.buffer	612,888✔
6	}
7	return b.buffer.slice(b.byteOffset, b.byteOffset + b.byteLength)	15,518✔
8	} else {
9	const ab = new ArrayBuffer(b.byteLength)	2✔
10	const arr = new Uint8Array(ab)	2✔
11	arr.set(b, 0)	2✔
12	return ab	2✔
13	}
14	}
15	/** @public */
16	export function toBufferSource(b: Uint8Array): BufferSource {
17	if (b.buffer instanceof ArrayBuffer) return b as Uint8Array<ArrayBuffer>	405,600✔
18	const ab = new ArrayBuffer(b.byteLength)	2✔
19	const arr = new Uint8Array(ab)	2✔
20	arr.set(b, 0)	2✔
21	return ab	2✔
22	}
23
24	/** @public */
25	export function bytesToBase64(bytes: Uint8Array): string {
26	if (typeof Buffer !== "undefined") {	124,202✔
27	return Buffer.from(bytes).toString("base64")	124,202✔
28	} else {
29	let binary = ""	×
30	bytes.forEach((b) => (binary += String.fromCharCode(b)))	×
31	return globalThis.btoa(binary)	×
32	}
33	}
34
35	/** @public */
36	export function base64ToBytes(base64: string): Uint8Array {
37	if (typeof Buffer !== "undefined") {	142✔
38	return Uint8Array.from(Buffer.from(base64, "base64"))	142✔
39	} else {
40	const binary = globalThis.atob(base64)	×
41	const bytes = new Uint8Array(binary.length)	×
42	for (let i = 0; i < binary.length; i++) {	×
43	bytes[i] = binary.charCodeAt(i)	×
44	}
45	return bytes	×
46	}
47	}
48
49	export function concatUint8Arrays(a: Uint8Array, b: Uint8Array): Uint8Array {
50	const result = new Uint8Array(a.length + b.length)	870✔
51	result.set(a, 0)	870✔
52	result.set(b, a.length)	870✔
53	return result	870✔
54	}
55
56	/** @public */
57	export function zeroOutUint8Array(buf: Uint8Array): void {
58	crypto.getRandomValues(buf)	12,898✔
59	for (let i = 0; i < buf.length; i++) {	12,898✔
60	buf[i]! ^= buf[i]!	729,824✔
61	}
62	}

LukaJCB / ts-mls / 21789450455

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