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Author SHA1 Message Date
fcae9e107e Better applyDeltas
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2025-08-01 23:43:43 -04:00
5bb5067abc Better applyDeltas
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2025-08-01 23:33:10 -04:00
2064880673 Fixed package version
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2025-08-01 23:10:16 -04:00
fdefdf354d New delta functions
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2025-08-01 22:25:50 -04:00
31998c01d6 formatDate fixed
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2025-08-01 11:06:07 -04:00
c5270fbd7e Better date format
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2025-08-01 09:54:22 -04:00
bfe9493d23 Added array support to delta calculations
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2025-07-30 21:14:02 -04:00
1b6fe42f78 Added delta functions
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2025-07-30 14:34:59 -04:00
c3d8d75ba3 Added delta functions
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2025-07-30 14:22:40 -04:00
e2d756fe28 Compare version function
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2025-07-30 09:21:46 -04:00
52f64f9e78 IndexDB fixes
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2025-07-28 13:09:31 -04:00
4caf0e5048 IndexDB safari fixes
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2025-07-28 12:52:22 -04:00
55b871f4c1 Fixed cache loading promise when persistence storage is off
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2025-07-26 11:24:04 -04:00
fb077775b6 Added format milliseconds method
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2025-07-25 19:51:06 -04:00
2d2b2b8216 Added format milliseconds method
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2025-07-25 19:46:21 -04:00
b473ade178 Added format milliseconds method
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2025-07-25 19:42:01 -04:00
b3223661dd More efficient regex
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2025-07-22 14:22:47 -04:00
c36af83918 Added search transform
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2025-07-22 14:16:18 -04:00
12 changed files with 253 additions and 143 deletions

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@ -1,9 +1,11 @@
<html> <html>
<body> <body>
<script type="module"> <script type="module">
import {PE} from './dist/index.mjs'; import {formatDate} from './dist/index.mjs';
console.log('data/Ts:n', PE`${'data/Ts'}:n`.methods); const dt = new Date('2021-03-03T09:00:00Z');
const result = formatDate('Do MMMM dddd', dt, 0);
console.log(result);
</script> </script>
</body> </body>
</html> </html>

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@ -1,6 +1,6 @@
{ {
"name": "@ztimson/utils", "name": "@ztimson/utils",
"version": "0.26.14", "version": "0.27.3",
"description": "Utility library", "description": "Utility library",
"author": "Zak Timson", "author": "Zak Timson",
"license": "MIT", "license": "MIT",

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@ -22,8 +22,10 @@ export class Cache<K extends string | number | symbol, T> {
[key: string | number | symbol]: CachedValue<T> | any; [key: string | number | symbol]: CachedValue<T> | any;
/** Whether cache is complete */ /** Whether cache is complete */
complete = false; complete = false;
private _loading!: Function;
/** Await initial loading */ /** Await initial loading */
loading!: Promise<void>; loading = new Promise<void>(r => this._loading = r);
/** /**
* Create new cache * Create new cache
@ -31,9 +33,6 @@ export class Cache<K extends string | number | symbol, T> {
* @param options * @param options
*/ */
constructor(public readonly key?: keyof T, public readonly options: CacheOptions = {}) { constructor(public readonly key?: keyof T, public readonly options: CacheOptions = {}) {
let done!: Function;
this.loading = new Promise(r => done = r);
// Persistent storage // Persistent storage
if(this.options.persistentStorage != null) { if(this.options.persistentStorage != null) {
if(typeof this.options.persistentStorage == 'string') if(typeof this.options.persistentStorage == 'string')
@ -45,13 +44,15 @@ export class Cache<K extends string | number | symbol, T> {
const table: Table<any, any> = await persists.storage.createTable({name: persists.key, key: this.key}); const table: Table<any, any> = await persists.storage.createTable({name: persists.key, key: this.key});
const rows = await table.getAll(); const rows = await table.getAll();
Object.assign(this.store, rows.reduce((acc, row) => ({...acc, [this.getKey(row)]: row}), {})); Object.assign(this.store, rows.reduce((acc, row) => ({...acc, [this.getKey(row)]: row}), {}));
done(); this._loading();
})(); })();
} else if((<any>this.options.persistentStorage?.storage)?.getItem != undefined) { } else if((<any>this.options.persistentStorage?.storage)?.getItem != undefined) {
const stored = (<Storage>this.options.persistentStorage.storage).getItem(this.options.persistentStorage.key); const stored = (<Storage>this.options.persistentStorage.storage).getItem(this.options.persistentStorage.key);
if(stored != null) try { Object.assign(this.store, JSON.parse(stored)); } catch { } if(stored != null) try { Object.assign(this.store, JSON.parse(stored)); } catch { }
done(); this._loading();
} }
} else {
this._loading();
} }
// Handle index lookups // Handle index lookups

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@ -28,7 +28,10 @@ export class Database {
constructor(public readonly database: string, tables?: (string | TableOptions)[], public version?: number) { constructor(public readonly database: string, tables?: (string | TableOptions)[], public version?: number) {
this.connection = new Promise((resolve, reject) => { this.connection = new Promise((resolve, reject) => {
const req = indexedDB.open(this.database, this.version); let req: IDBOpenDBRequest;
try { req = indexedDB.open(this.database, this.version); }
catch (err) { return reject(err); }
this.tables = !tables ? [] : tables.map(t => { this.tables = !tables ? [] : tables.map(t => {
t = typeof t == 'object' ? t : {name: t}; t = typeof t == 'object' ? t : {name: t};
return {...t, name: t.name.toString()}; return {...t, name: t.name.toString()};
@ -37,13 +40,22 @@ export class Database {
req.onerror = () => reject(req.error); req.onerror = () => reject(req.error);
req.onsuccess = () => { req.onsuccess = () => {
const db = req.result; let db: IDBDatabase;
try { db = req.result; }
catch (err) { return reject(err); }
const existing = Array.from(db.objectStoreNames); const existing = Array.from(db.objectStoreNames);
if(!tables) this.tables = existing.map(t => { if(!tables) {
this.tables = existing.map(t => {
try {
const tx = db.transaction(t, 'readonly'); const tx = db.transaction(t, 'readonly');
const store = tx.objectStore(t); const store = tx.objectStore(t);
return {name: t, key: <string>store.keyPath}; return {name: t, key: <string>store.keyPath};
} catch {
return {name: t}; // 🛡️ fallback
}
}); });
}
const desired = new ASet((tables || []).map(t => typeof t == 'string' ? t : t.name)); const desired = new ASet((tables || []).map(t => typeof t == 'string' ? t : t.name));
if(tables && desired.symmetricDifference(new ASet(existing)).length) { if(tables && desired.symmetricDifference(new ASet(existing)).length) {
db.close(); db.close();
@ -58,7 +70,10 @@ export class Database {
req.onupgradeneeded = () => { req.onupgradeneeded = () => {
this.upgrading = true; this.upgrading = true;
const db = req.result; let db: IDBDatabase;
try { db = req.result; }
catch { return; }
try {
const existingTables = new ASet(Array.from(db.objectStoreNames)); const existingTables = new ASet(Array.from(db.objectStoreNames));
if(tables) { if(tables) {
const desired = new ASet((tables || []).map(t => typeof t == 'string' ? t : t.name)); const desired = new ASet((tables || []).map(t => typeof t == 'string' ? t : t.name));
@ -71,6 +86,7 @@ export class Database {
}); });
}); });
} }
} catch { }
}; };
}); });
} }
@ -84,14 +100,14 @@ export class Database {
if(!this.includes(table.name)) { if(!this.includes(table.name)) {
const newDb = new Database(this.database, [...this.tables, table], (this.version ?? 0) + 1); const newDb = new Database(this.database, [...this.tables, table], (this.version ?? 0) + 1);
conn.close(); conn.close();
Object.assign(this, newDb); this.connection = newDb.connection;
await this.connection; await this.connection;
Object.assign(this, newDb);
} }
return this.table<K, T>(table.name); return this.table<K, T>(table.name);
}); });
} }
async deleteTable(table: string | TableOptions): Promise<void> { async deleteTable(table: string | TableOptions): Promise<void> {
return this.schemaLock.run(async () => { return this.schemaLock.run(async () => {
if(typeof table == 'string') table = { name: table }; if(typeof table == 'string') table = { name: table };
@ -99,10 +115,10 @@ export class Database {
const conn = await this.connection; const conn = await this.connection;
const newDb = new Database(this.database, this.tables.filter(t => t.name != (<TableOptions>table).name), (this.version ?? 0) + 1); const newDb = new Database(this.database, this.tables.filter(t => t.name != (<TableOptions>table).name), (this.version ?? 0) + 1);
conn.close(); conn.close();
Object.assign(this, newDb); this.connection = newDb.connection;
await this.connection; await this.connection;
Object.assign(this, newDb);
}); });
} }
includes(name: any): boolean { includes(name: any): boolean {
@ -126,9 +142,8 @@ export class Table<K extends IDBValidKey = any, T = any> {
await this.database.waitForUpgrade(); await this.database.waitForUpgrade();
const db = await this.database.connection; const db = await this.database.connection;
const tx = db.transaction(table, readonly ? 'readonly' : 'readwrite'); const tx = db.transaction(table, readonly ? 'readonly' : 'readwrite');
const store = tx.objectStore(table);
return new Promise<R>((resolve, reject) => { return new Promise<R>((resolve, reject) => {
const request = fn(store); const request = fn(tx.objectStore(table));
request.onsuccess = () => resolve(request.result as R); request.onsuccess = () => resolve(request.result as R);
request.onerror = () => reject(request.error); request.onerror = () => reject(request.error);
}); });

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@ -78,7 +78,7 @@ export class Http {
if(!this.url && !opts.url) throw new Error('URL needs to be set'); if(!this.url && !opts.url) throw new Error('URL needs to be set');
let url = opts.url?.startsWith('http') ? opts.url : (this.url || '') + (opts.url || ''); let url = opts.url?.startsWith('http') ? opts.url : (this.url || '') + (opts.url || '');
url = url.replaceAll(/([^:]\/)\/+/g, '$1'); url = url.replaceAll(/([^:]\/)\/+/g, '$1');
if(opts.fragment) url.includes('#') ? url.replace(/#.*(\?|\n)/g, (match, arg1) => `#${opts.fragment}${arg1}`) : `${url}#${opts.fragment}`; if(opts.fragment) url.includes('#') ? url.replace(/#.*([?\n])/g, (match, arg1) => `#${opts.fragment}${arg1}`) : `${url}#${opts.fragment}`;
if(opts.query) { if(opts.query) {
const q = Array.isArray(opts.query) ? opts.query : const q = Array.isArray(opts.query) ? opts.query :
Object.keys(opts.query).map(k => ({key: k, value: (<any>opts.query)[k]})) Object.keys(opts.query).map(k => ({key: k, value: (<any>opts.query)[k]}))

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@ -48,3 +48,17 @@ export function fracToDec(frac: string) {
split = (<string>split.pop()).split('/'); split = (<string>split.pop()).split('/');
return whole + (Number(split[0]) / Number(split[1])); return whole + (Number(split[0]) / Number(split[1]));
} }
/**
* Add a suffix to a number:
* 1 = 1st
* 2 = 2nd
* 3 = 3rd
* N = Nth
* @param {number} n
* @returns {string}
*/
export function numSuffix(n: number): string {
const s = ['th', 'st', 'nd', 'rd'], v = n % 100;
return `${n}${s[(v - 20) % 10] || s[v] || s[0]}`;
}

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@ -1,9 +1,21 @@
import {PathEvent} from './path-events.ts'; import {PathEvent} from './path-events.ts';
import {md5} from './string'; import {md5} from './string';
/**
* Compare version numbers
* @param {string} target
* @param {string} vs
* @return {number} -1 = target is lower, 0 = equal, 1 = higher
*/
export function compareVersions(target: string, vs: string): -1 | 0 | 1 {
const [tMajor, tMinor, tPatch] = target.split('.').map(v => +v.replace(/[^0-9]/g, ''));
const [vMajor, vMinor, vPatch] = vs.split('.').map(v => +v.replace(/[^0-9]/g, ''));
return (tMajor > vMajor || tMinor > vMinor || tPatch > vPatch) ? 1 :
(tMajor < vMajor || tMinor < vMinor || tPatch < vPatch) ? -1 : 0;
}
/** /**
* Escape any regex special characters to avoid misinterpretation during search * Escape any regex special characters to avoid misinterpretation during search
*
* @param {string} value String which should be escaped * @param {string} value String which should be escaped
* @return {string} New escaped sequence * @return {string} New escaped sequence
*/ */

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@ -1,3 +1,53 @@
export type Delta = { [key: string]: any | Delta | null };
/**
* Applies deltas to `target`.
* @param base starting point
* @param deltas List of deltas to apply
* @returns Mutated target
*/
export function applyDeltas(base: any, ...deltas: any[]): any {
function applyDelta(base: any, delta: any): any {
if(delta === null) return null;
if(typeof base !== 'object' || base === null) return delta === undefined ? base : delta;
const result = Array.isArray(base) ? [...base] : { ...base };
for(const key in delta) {
const val = delta[key];
if(val === undefined) delete result[key];
else if(typeof val === 'object' && val !== null && !Array.isArray(val)) result[key] = applyDelta(result[key], val);
else result[key] = val;
}
return result;
}
for(const d of deltas.flat()) base = applyDelta(base, d?.delta ?? d);
return base;
}
/**
* Creates a nested delta that reverts `target` back to `old`.
* @param old - Original object
* @param updated - Modified object
* @returns New changes
*/
export function calcDelta(old: any, updated: any): any {
if(updated == null) return null; // full delete
const delta: any = {};
const isObj = (v: any) => v && typeof v === 'object' && !Array.isArray(v);
for (const key of new Set([...(old ? Object.keys(old) : []), ...(updated ? Object.keys(updated) : [])])) {
const oldVal = old?.[key];
const newVal = updated?.[key];
if(isObj(oldVal) && isObj(newVal)) {
const nested = calcDelta(oldVal, newVal);
if(nested !== null && Object.keys(nested).length > 0) delta[key] = nested;
} else if(JSON.stringify(oldVal) !== JSON.stringify(newVal)) {
delta[key] = newVal;
}
}
return Object.keys(delta).length === 0 ? {} : delta;
}
/** /**
* Removes any null values from an object in-place * Removes any null values from an object in-place
* *

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@ -13,8 +13,8 @@ export function search(rows: any[], search: string, regex?: boolean, transform:
if(!rows) return []; if(!rows) return [];
return rows.filter(r => { return rows.filter(r => {
// Empty search // Empty search
const value = transform(r);
if(!search) return true; if(!search) return true;
const value = transform(r);
// Regex search // Regex search
if(regex) { if(regex) {
return !!Object.values(value).filter((v: any) => { return !!Object.values(value).filter((v: any) => {
@ -22,7 +22,7 @@ export function search(rows: any[], search: string, regex?: boolean, transform:
catch { return false; } catch { return false; }
}).length }).length
} else { } else {
return logicTest(r, search); return logicTest(value, search);
} }
}); });
} }

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@ -43,6 +43,24 @@ export function formatBytes(bytes: number, decimals = 2) {
return parseFloat((bytes / Math.pow(k, i)).toFixed(decimals)) + ' ' + sizes[i]; return parseFloat((bytes / Math.pow(k, i)).toFixed(decimals)) + ' ' + sizes[i];
} }
/**
* Convert milliseconds to human-readable duration
* @param {string} ms milliseconds
* @param {boolean} short Use unit initial instead of word
* @return {string} formated duration
*/
export function formatMs(ms: number, short = false): string {
if (isNaN(ms) || ms < 0) return "Invalid input";
const seconds = ms / 1000;
const minutes = seconds / 60;
const hours = minutes / 60;
const days = hours / 24;
if (days >= 1) return `${days.toFixed(1)} ${short ? 'd' : 'days'}`;
else if (hours >= 1) return `${hours.toFixed(1)} ${short ? 'h' : 'hours'}`;
else if (minutes >= 1) return `${minutes.toFixed(1)} ${short ? 'm' : 'minutes'}`;
else return `${seconds.toFixed(1)} ${short ? 's' : 'seconds'}`;
}
/** /**
* Extract numbers from a string & create a formated phone number: +1 (123) 456-7890 * Extract numbers from a string & create a formated phone number: +1 (123) 456-7890
* *

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@ -1,3 +1,5 @@
import {numSuffix} from './math.ts';
/** /**
* Like setInterval but will adjust the timeout value to account for runtime * Like setInterval but will adjust the timeout value to account for runtime
* @param {Function} cb Callback function that will be ran * @param {Function} cb Callback function that will be ran
@ -20,6 +22,15 @@ export function adjustedInterval(cb: Function, ms: number) {
} }
} }
export function dayOfWeek(d: number): string {
return ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'][d];
}
export function dayOfYear(date: Date): number {
const start = new Date(Date.UTC(date.getUTCFullYear(), 0, 1));
return Math.ceil((date.getTime() - start.getTime()) / (1000 * 60 * 60 * 24));
}
/** /**
* Format date * Format date
* *
@ -28,111 +39,94 @@ export function adjustedInterval(cb: Function, ms: number) {
* @param tz Set timezone offset * @param tz Set timezone offset
* @return {string} Formated date * @return {string} Formated date
*/ */
export function formatDate(format = 'YYYY-MM-DD H:mm', date: Date | number | string = new Date(), tz?: string | number): string { export function formatDate(format: string = 'YYYY-MM-DD H:mm', date: Date | number | string = new Date(), tz: string | number = 'local'): string {
const timezones = [ if (typeof date === 'number' || typeof date === 'string') date = new Date(date);
['IDLW', -12], if (isNaN(date.getTime())) throw new Error('Invalid date input');
['SST', -11], const numericTz = typeof tz === 'number';
['HST', -10], const localTz = tz === 'local' || (!numericTz && tz.toLowerCase?.() === 'local');
['AKST', -9], const tzName = localTz ? Intl.DateTimeFormat().resolvedOptions().timeZone : numericTz ? 'UTC' : tz;
['PST', -8],
['MST', -7],
['CST', -6],
['EST', -5],
['AST', -4],
['BRT', -3],
['MAT', -2],
['AZOT', -1],
['UTC', 0],
['CET', 1],
['EET', 2],
['MSK', 3],
['AST', 4],
['PKT', 5],
['IST', 5.5],
['BST', 6],
['ICT', 7],
['CST', 8],
['JST', 9],
['AEST', 10],
['SBT', 11],
['FJT', 12],
['TOT', 13],
['LINT', 14]
];
function adjustTz(date: Date, gmt: number) { if (!numericTz && tzName !== 'UTC') {
const currentOffset = date.getTimezoneOffset(); try {
const adjustedOffset = gmt * 60; new Intl.DateTimeFormat('en-US', { timeZone: tzName }).format();
return new Date(date.getTime() + (adjustedOffset + currentOffset) * 60000); } catch {
} throw new Error(`Invalid timezone: ${tzName}`);
function day(num: number): string {
return ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'][num] || 'Unknown';
}
function doy(date: Date) {
const start = new Date(`${date.getFullYear()}-01-01 0:00:00`);
return Math.ceil((date.getTime() - start.getTime()) / (1000 * 60 * 60 * 24));
}
function month(num: number): string {
return ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'][num] || 'Unknown';
}
function suffix(num: number) {
if (num % 100 >= 11 && num % 100 <= 13) return `${num}th`;
switch (num % 10) {
case 1: return `${num}st`;
case 2: return `${num}nd`;
case 3: return `${num}rd`;
default: return `${num}th`;
} }
} }
function tzOffset(offset: number) { let zonedDate = new Date(date);
const hours = ~~(offset / 60); if (!numericTz && tzName !== 'UTC') {
const minutes = offset % 60; const parts = new Intl.DateTimeFormat('en-US', {
return (offset > 0 ? '-' : '') + `${hours}:${minutes.toString().padStart(2, '0')}`; timeZone: tzName,
year: 'numeric', month: '2-digit', day: '2-digit',
hour: '2-digit', minute: '2-digit', second: '2-digit',
hour12: false
}).formatToParts(date);
const get = (type: string) => parts.find(p => p.type === type)?.value;
const build = `${get('year')}-${get('month')}-${get('day')}T${get('hour')}:${get('minute')}:${get('second')}Z`;
zonedDate = new Date(build);
} else if (numericTz || tzName === 'UTC') {
const offset = numericTz ? tz as number : 0;
zonedDate = new Date(date.getTime() + offset * 60 * 60 * 1000);
} }
if(typeof date == 'number' || typeof date == 'string' || date == null) date = new Date(date); const get = (fn: 'FullYear' | 'Month' | 'Date' | 'Day' | 'Hours' | 'Minutes' | 'Seconds' | 'Milliseconds') =>
(numericTz || tzName === 'UTC') ? zonedDate[`getUTC${fn}`]() : zonedDate[`get${fn}`]();
// Handle timezones function getTZOffset(): string {
let t!: [string, number]; if (numericTz) {
if(tz == null) tz = -(date.getTimezoneOffset() / 60); const total = (tz as number) * 60;
t = <any>timezones.find(t => isNaN(<any>tz) ? t[0] == tz : t[1] == tz); const hours = Math.floor(Math.abs(total) / 60);
if(!t) throw new Error(`Unknown timezone: ${tz}`); const mins = Math.abs(total) % 60;
date = adjustTz(date, t[1]); return `${tz >= 0 ? '+' : '-'}${String(hours).padStart(2, '0')}:${String(mins).padStart(2, '0')}`;
}
try {
const offset = new Intl.DateTimeFormat('en-US', {timeZone: tzName, timeZoneName: 'longOffset', hour: '2-digit', minute: '2-digit',})
.formatToParts(<Date>date).find(p => p.type === 'timeZoneName')?.value.match(/([+-]\d{2}:\d{2})/)?.[1];
if (offset) return offset;
} catch {}
return '+00:00';
}
function getTZAbbr(): string {
if (numericTz && tz === 0) return 'UTC';
try {
return new Intl.DateTimeFormat('en-US', { timeZone: tzName, timeZoneName: 'short' })
.formatToParts(<Date>date).find(p => p.type === 'timeZoneName')?.value || '';
} catch {
return tzName;
}
}
// Token mapping
const tokens: Record<string, string> = { const tokens: Record<string, string> = {
'YYYY': date.getFullYear().toString(), YYYY: get('FullYear').toString(),
'YY': date.getFullYear().toString().slice(2), YY: get('FullYear').toString().slice(2),
'MMMM': month(date.getMonth()), MMMM: month(get('Month')),
'MMM': month(date.getMonth()).slice(0, 3), MMM: month(get('Month')).slice(0, 3),
'MM': (date.getMonth() + 1).toString().padStart(2, '0'), MM: (get('Month') + 1).toString().padStart(2, '0'),
'M': (date.getMonth() + 1).toString(), M: (get('Month') + 1).toString(),
'DDD': doy(date).toString(), DDD: dayOfYear(zonedDate).toString(),
'DD': date.getDate().toString().padStart(2, '0'), DD: get('Date').toString().padStart(2, '0'),
'Do': suffix(date.getDate()), Do: numSuffix(get('Date')),
'D': date.getDate().toString(), D: get('Date').toString(),
'dddd': day(date.getDay()), dddd: dayOfWeek(get('Day')),
'ddd': day(date.getDay()).slice(0, 3), ddd: dayOfWeek(get('Day')).slice(0, 3),
'HH': date.getHours().toString().padStart(2, '0'), HH: get('Hours').toString().padStart(2, '0'),
'H': date.getHours().toString(), H: get('Hours').toString(),
'hh': (date.getHours() % 12 || 12).toString().padStart(2, '0'), hh: (get('Hours') % 12 || 12).toString().padStart(2, '0'),
'h': (date.getHours() % 12 || 12).toString(), h: (get('Hours') % 12 || 12).toString(),
'mm': date.getMinutes().toString().padStart(2, '0'), mm: get('Minutes').toString().padStart(2, '0'),
'm': date.getMinutes().toString(), m: get('Minutes').toString(),
'ss': date.getSeconds().toString().padStart(2, '0'), ss: get('Seconds').toString().padStart(2, '0'),
's': date.getSeconds().toString(), s: get('Seconds').toString(),
'SSS': date.getMilliseconds().toString().padStart(3, '0'), SSS: get('Milliseconds').toString().padStart(3, '0'),
'A': date.getHours() >= 12 ? 'PM' : 'AM', A: get('Hours') >= 12 ? 'PM' : 'AM',
'a': date.getHours() >= 12 ? 'pm' : 'am', a: get('Hours') >= 12 ? 'pm' : 'am',
'ZZ': tzOffset(t[1] * 60).replace(':', ''), ZZ: getTZOffset().replace(':', ''),
'Z': tzOffset(t[1] * 60), Z: getTZOffset(),
'z': typeof tz == 'string' ? tz : (<any>t)[0] z: getTZAbbr(),
}; };
return format.replace(/YYYY|YY|MMMM|MMM|MM|M|DDD|DD|Do|D|dddd|ddd|HH|H|hh|h|mm|m|ss|s|SSS|A|a|ZZ|Z|z/g, token => tokens[token]); return format.replace(/YYYY|YY|MMMM|MMM|MM|M|DDD|DD|Do|D|dddd|ddd|HH|H|hh|h|mm|m|ss|s|SSS|A|a|ZZ|Z|z/g, token => tokens[token]);
} }
@ -148,6 +142,10 @@ export function instantInterval(fn: () => any, interval: number) {
return setInterval(fn, interval); return setInterval(fn, interval);
} }
export function month(m: number): string {
return ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'][m];
}
/** /**
* Use in conjunction with `await` to pause an async script * Use in conjunction with `await` to pause an async script
* *

View File

@ -31,11 +31,11 @@ describe('Time Utilities', () => {
it('handles formatting for given timestamp', () => { it('handles formatting for given timestamp', () => {
const timestamp = Date.UTC(2023, 1, 1, 18, 5, 5, 123); // Feb 1, 2023 18:05:05.123 UTC const timestamp = Date.UTC(2023, 1, 1, 18, 5, 5, 123); // Feb 1, 2023 18:05:05.123 UTC
const formatted = formatDate('YYYY MM DD HH mm ss SSS A Z', timestamp, 'UTC'); const formatted = formatDate('YYYY MM DD HH mm ss SSS A Z', timestamp, 'UTC');
expect(formatted).toMatch(/^2023 02 01 18 05 05 123 PM \+?0:00$/i); expect(formatted).toMatch(/^2023 02 01 18 05 05 123 PM \+00:00/i);
}); });
it('throws for unknown timezone', () => { it('throws for unknown timezone', () => {
expect(() => formatDate('YYYY', new Date(), '???')).toThrowError(/Unknown timezone/); expect(() => formatDate('YYYY', new Date(), '???')).toThrowError(/Invalid timezone/);
}); });
it('handles timezone by offset number', () => { it('handles timezone by offset number', () => {