35 lines
1.1 KiB
TypeScript
35 lines
1.1 KiB
TypeScript
export const ParseBool = <T extends boolean | null = null>(
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value: unknown,
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fallback?: T,
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): boolean | T => {
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if (value === true || value === 'true' || value === '1' || value === 'yes')
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return true;
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if (value === false || value === 'false' || value === '0' || value === 'no')
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return false;
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return fallback === undefined ? (null as T) : fallback;
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};
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export const ParseInt = <T extends number | null = null>(
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value: unknown,
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fallback?: T,
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): number | T => {
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if (typeof value === 'number') return value;
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if (typeof value === 'boolean') return value ? 1 : 0;
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if (typeof value === 'string') {
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const parsed = parseInt(value);
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if (!isNaN(parsed)) return parsed;
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}
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return fallback === undefined ? (null as T) : fallback;
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};
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export const ParseString = <T extends string | null = null>(
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value: unknown,
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fallback?: T,
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): string | T => {
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if (typeof value === 'string') return value;
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if (typeof value === 'boolean') return value ? 'true' : 'false';
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if (typeof value === 'number') return value.toString();
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return fallback === undefined ? (null as T) : fallback;
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};
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