wehub-resource-sync
49 lines
1.6 KiB
TypeScript
49 lines
1.6 KiB
TypeScript
/**
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* Duration string parsing for stream-basin retention / delete-on-empty
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* configuration. Used by `streamBasinProvisioner` (to convert to S2's
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* integer-seconds wire format) and by `env.server.ts` (to validate
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* duration-shaped env vars at boot rather than at first use).
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*
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* Accepts the short forms (`7d`, `30d`, `365d`, `1h`, `90m`, `45s`,
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* `2w`, `1y`) and the human forms (`7days`, `1week`, `1year`).
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*/
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const PATTERN =
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/^(\d+)\s*(s|sec|secs|seconds?|m|min|mins|minutes?|h|hour|hours?|d|day|days?|w|week|weeks?|y|year|years?)$/;
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export function isValidDuration(input: string): boolean {
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return PATTERN.test(input.trim().toLowerCase());
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}
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/**
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* Parse a duration string into seconds. Throws on garbage so a
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* misconfigured env var fails loudly. Use {@link isValidDuration}
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* for non-throwing validation (e.g. inside a Zod `.refine()`).
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*/
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export function parseDuration(input: string): number {
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const trimmed = input.trim().toLowerCase();
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const match = trimmed.match(PATTERN);
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if (!match) {
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throw new Error(`Invalid duration string: ${input}`);
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}
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const value = parseInt(match[1]!, 10);
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const unit = match[2]!;
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const multiplier = /^s/.test(unit)
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? 1
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: /^m(?:in|ins|inute|inutes)?$/.test(unit)
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? 60
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: /^h/.test(unit)
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? 3600
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: /^d/.test(unit)
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? 86400
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: /^w/.test(unit)
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? 604800
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: /^y/.test(unit)
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? 31_536_000
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: NaN;
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if (!Number.isFinite(multiplier)) {
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throw new Error(`Invalid duration unit: ${unit}`);
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}
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return value * multiplier;
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}
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