d3163a5bff
- pgSchema "mesh" with 4 tables isolating the peer mesh domain - Enums: visibility, transport, tier, role - audit_log is metadata-only (E2E encryption enforced at broker/client) - Cascade on mesh delete, soft-delete via archivedAt/revokedAt Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
46 lines
1.4 KiB
TypeScript
46 lines
1.4 KiB
TypeScript
/**
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Creates an ID generator.
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The total length of the ID is the sum of the prefix, separator, and random part length.
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Not cryptographically secure.
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@param alphabet - The alphabet to use for the ID. Default: '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'.
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@param prefix - The prefix of the ID to generate. Optional.
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@param separator - The separator between the prefix and the random part of the ID. Default: '-'.
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@param size - The size of the random part of the ID to generate. Default: 16.
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*/
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export const createIdGenerator = ({
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prefix,
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size = 32,
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alphabet = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz",
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separator = "-",
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}: {
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prefix?: string;
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separator?: string;
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size?: number;
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alphabet?: string;
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} = {}) => {
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const generator = () => {
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const alphabetLength = alphabet.length;
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const chars = new Array(size);
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for (let i = 0; i < size; i++) {
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chars[i] = alphabet[(Math.random() * alphabetLength) | 0];
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}
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return chars.join("");
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};
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if (prefix == null) {
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return generator;
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}
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// check that the prefix is not part of the alphabet (otherwise prefix checking can fail randomly)
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if (alphabet.includes(separator)) {
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throw new Error(
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`The separator "${separator}" must not be part of the alphabet "${alphabet}".`,
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);
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}
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return () => `${prefix}${separator}${generator()}`;
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};
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export const generateId = createIdGenerator();
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