@oxog/delay
Version:
A comprehensive, zero-dependency delay/timeout utility library with advanced timing features
133 lines • 4.88 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.TIME_UNITS = void 0;
exports.convertToMs = convertToMs;
exports.parseTimeString = parseTimeString;
exports.parseTimeUntil = parseTimeUntil;
exports.getHighResolutionTime = getHighResolutionTime;
const index_js_1 = require("../types/index.js");
exports.TIME_UNITS = {
ms: 1,
milliseconds: 1,
s: 1000,
seconds: 1000,
m: 60 * 1000,
minutes: 60 * 1000,
h: 60 * 60 * 1000,
hours: 60 * 60 * 1000,
d: 24 * 60 * 60 * 1000,
days: 24 * 60 * 60 * 1000,
};
function convertToMs(value, unit) {
const multiplier = exports.TIME_UNITS[unit];
if (multiplier === undefined) {
throw new index_js_1.DelayError(`Invalid time unit: ${unit}`, index_js_1.DelayErrorCode.INVALID_TIME, { unit, value });
}
return value * multiplier;
}
function parseTimeString(timeString) {
if (typeof timeString !== 'string') {
throw new index_js_1.DelayError('Time string must be a string', index_js_1.DelayErrorCode.INVALID_TIME_STRING, { timeString });
}
const cleaned = timeString.trim().toLowerCase();
// Handle pure numbers (assume milliseconds)
if (/^\d+(\.\d+)?$/.test(cleaned)) {
return parseFloat(cleaned);
}
// Pattern: number followed by unit, with optional whitespace
const pattern = /(\d+(?:\.\d+)?)\s*([a-z]+)/g;
const matches = [...cleaned.matchAll(pattern)];
if (matches.length === 0) {
throw new index_js_1.DelayError(`Invalid time string format: ${timeString}`, index_js_1.DelayErrorCode.INVALID_TIME_STRING, { timeString });
}
let totalMs = 0;
for (const match of matches) {
const value = parseFloat(match[1]);
const unitStr = match[2];
let unit;
// Normalize unit names
switch (unitStr) {
case 'ms':
case 'millisecond':
case 'milliseconds':
unit = 'ms';
break;
case 's':
case 'sec':
case 'second':
case 'seconds':
unit = 's';
break;
case 'm':
case 'min':
case 'minute':
case 'minutes':
unit = 'm';
break;
case 'h':
case 'hr':
case 'hour':
case 'hours':
unit = 'h';
break;
case 'd':
case 'day':
case 'days':
unit = 'd';
break;
default:
throw new index_js_1.DelayError(`Unknown time unit: ${unitStr}`, index_js_1.DelayErrorCode.INVALID_TIME_STRING, { timeString, unit: unitStr });
}
totalMs += convertToMs(value, unit);
}
return totalMs;
}
function parseTimeUntil(target) {
const now = new Date();
// Handle time format like "14:30" or "2:30 PM"
const timePattern = /^(\d{1,2}):(\d{2})(?:\s*(am|pm))?$/i;
const match = target.trim().match(timePattern);
if (!match) {
throw new index_js_1.DelayError(`Invalid time format: ${target}. Expected format: "HH:MM" or "HH:MM AM/PM"`, index_js_1.DelayErrorCode.INVALID_TIME_STRING, { target });
}
let hours = parseInt(match[1], 10);
const minutes = parseInt(match[2], 10);
const ampm = match[3]?.toLowerCase();
if (minutes < 0 || minutes > 59) {
throw new index_js_1.DelayError(`Invalid minutes: ${minutes}. Must be between 0 and 59`, index_js_1.DelayErrorCode.INVALID_TIME_STRING, { target, minutes });
}
if (ampm) {
if (hours < 1 || hours > 12) {
throw new index_js_1.DelayError(`Invalid hours for 12-hour format: ${hours}. Must be between 1 and 12`, index_js_1.DelayErrorCode.INVALID_TIME_STRING, { target, hours });
}
if (ampm === 'pm' && hours !== 12) {
hours += 12;
}
else if (ampm === 'am' && hours === 12) {
hours = 0;
}
}
else {
if (hours < 0 || hours > 23) {
throw new index_js_1.DelayError(`Invalid hours for 24-hour format: ${hours}. Must be between 0 and 23`, index_js_1.DelayErrorCode.INVALID_TIME_STRING, { target, hours });
}
}
const targetTime = new Date(now);
targetTime.setHours(hours, minutes, 0, 0);
// If the target time is earlier today, assume it's for tomorrow
if (targetTime <= now) {
targetTime.setDate(targetTime.getDate() + 1);
}
return targetTime.getTime() - now.getTime();
}
function getHighResolutionTime() {
if (typeof performance !== 'undefined' && performance.now) {
return performance.now();
}
if (typeof process !== 'undefined' && process.hrtime) {
const hr = process.hrtime();
return hr[0] * 1000 + hr[1] / 1000000;
}
return Date.now();
}
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