taurean.bryant.land
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Add parseTimeValue function to time utilities
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utils/time.ts
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utils/time.ts
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import { Temporal } from "@js-temporal/polyfill";
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/**
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* Parse a time string with unit suffix or raw milliseconds
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* @param value - Time string like "10s", "90m", "3h" or raw milliseconds
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* @returns Time in milliseconds
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* @example
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* parseTimeValue("10s") // → 10000
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* parseTimeValue("90m") // → 5400000
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* parseTimeValue("3h") // → 10800000
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* parseTimeValue("5400000") // → 5400000 (backward compat)
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* parseTimeValue(10000) // → 10000 (already a number)
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*/
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function parseTimeValue(value: string | number | undefined): number {
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if (value === undefined || value === "") {
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throw new Error("Time value is required");
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}
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if (typeof value === "number") {
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return value;
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}
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const match = value.trim().match(/^(\d+(?:\.\d+)?)\s*(s|m|h|ms)?$/i);
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if (!match) {
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throw new Error(
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`Invalid time format: "${value}". Expected: "10s", "90m", "3h", or raw milliseconds`,
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);
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}
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const [, numStr, unit] = match;
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const num = parseFloat(numStr);
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if (isNaN(num) || num < 0) {
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throw new Error(`Time value must be a positive number: "${value}"`);
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}
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switch (unit?.toLowerCase()) {
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case "s":
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return msFrom.seconds(num);
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case "m":
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return msFrom.minutes(num);
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case "h":
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return msFrom.hours(num);
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case "ms":
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case undefined:
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return num;
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default:
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throw new Error(`Invalid unit: "${unit}". Use s/m/h/ms`);
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}
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}
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/**
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* Convert time units to milliseconds
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*/
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export const msFrom = {
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* @param h - number of hours
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*/
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hours: (hours: number): number => hours * 60 * 60 * 1000,
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/**
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* Parse a time string with unit suffix (e.g., "10s", "90m", "3h") or raw milliseconds
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* @param value - Time string or number
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* @returns Time in milliseconds
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*/
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parse: parseTimeValue,
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};
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/**