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vremel

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JavaScript date utility library for Temporal API

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/** * @internal * same as temporal's spec, Monday: 1, Tuesday: 2, ... Sunday: 7 */ export function getDayOfWeekAbbreviationFromNumber(num: number): string { const name = ["Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"][num - 1]; if (name === undefined) { throw new Error(`Invalid week of day number: ${num}`); } return name; }