27 lines
857 B
JavaScript
27 lines
857 B
JavaScript
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import randomBytes from "randombytes";
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// Single import to ease changing this lib if necessary
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export { randomBytes };
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/**
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* Validate bytes to prevent confusing WASM errors downstream if bytes is null
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*/
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export function validateBytes(bytes, argName) {
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for (const item of Array.isArray(bytes) ? bytes : [bytes]) {
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if (item == null) {
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throw Error(`${argName || "bytes"} is null or undefined`);
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}
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}
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}
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export function isZeroUint8Array(bytes) {
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return bytes.every((byte) => byte === 0);
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}
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export function concatUint8Arrays(bytesArr) {
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const totalLen = bytesArr.reduce((total, bytes) => total + bytes.length, 0);
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const merged = new Uint8Array(totalLen);
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let mergedLen = 0;
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for (const bytes of bytesArr) {
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merged.set(bytes, mergedLen);
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mergedLen += bytes.length;
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}
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return merged;
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}
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