chore: Remove old snoozeDateParser in favor of multi-lang natural language parser
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iamsivin
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@@ -0,0 +1,12 @@
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/**
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* snoozeDateParser — Natural language date/time parser for snooze.
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*
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* Barrel re-export from submodules:
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* - parser.js: core parsing engine (parseDateFromText)
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* - localization.js: multilingual suggestion generator (generateDateSuggestions)
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* - suggestions.js: compositional suggestion engine
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* - tokenMaps.js: shared token maps and utility functions
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*/
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export { parseDateFromText } from './parser';
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export { generateDateSuggestions } from './localization';
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@@ -0,0 +1,379 @@
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/**
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* Handles non-English input and generates the final suggestion list.
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* Translates localized words to English before parsing, then converts
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* suggestion labels back to the user's language for display.
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*/
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import {
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WEEKDAY_MAP,
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MONTH_MAP,
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UNIT_MAP,
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WORD_NUMBER_MAP,
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RELATIVE_DAY_MAP,
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TIME_OF_DAY_MAP,
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sanitize,
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stripNoise,
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normalizeDigits,
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} from './tokenMaps';
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import { parseDateFromText } from './parser';
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import { buildSuggestionCandidates, MAX_SUGGESTIONS } from './suggestions';
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// ─── English Reference Data ─────────────────────────────────────────────────
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const EN_WEEKDAYS_LIST = [
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'monday',
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'tuesday',
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'wednesday',
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'thursday',
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'friday',
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'saturday',
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'sunday',
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];
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const EN_MONTHS_LIST = [
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'january',
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'february',
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'march',
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'april',
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'may',
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'june',
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'july',
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'august',
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'september',
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'october',
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'november',
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'december',
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];
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const EN_DEFAULTS = {
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UNITS: {
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MINUTE: 'minute',
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MINUTES: 'minutes',
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HOUR: 'hour',
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HOURS: 'hours',
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DAY: 'day',
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DAYS: 'days',
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WEEK: 'week',
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WEEKS: 'weeks',
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MONTH: 'month',
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MONTHS: 'months',
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YEAR: 'year',
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YEARS: 'years',
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},
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RELATIVE: {
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TOMORROW: 'tomorrow',
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DAY_AFTER_TOMORROW: 'day after tomorrow',
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NEXT_WEEK: 'next week',
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NEXT_MONTH: 'next month',
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THIS_WEEKEND: 'this weekend',
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NEXT_WEEKEND: 'next weekend',
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},
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TIME_OF_DAY: {
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MORNING: 'morning',
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AFTERNOON: 'afternoon',
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EVENING: 'evening',
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NIGHT: 'night',
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NOON: 'noon',
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MIDNIGHT: 'midnight',
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},
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WORD_NUMBERS: {
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ONE: 'one',
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TWO: 'two',
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THREE: 'three',
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FOUR: 'four',
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FIVE: 'five',
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SIX: 'six',
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SEVEN: 'seven',
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EIGHT: 'eight',
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NINE: 'nine',
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TEN: 'ten',
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TWELVE: 'twelve',
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FIFTEEN: 'fifteen',
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TWENTY: 'twenty',
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THIRTY: 'thirty',
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},
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MERIDIEM: { AM: 'am', PM: 'pm' },
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HALF: 'half',
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NEXT: 'next',
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THIS: 'this',
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AT: 'at',
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IN: 'in',
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FROM_NOW: 'from now',
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NEXT_YEAR: 'next year',
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};
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const STRUCTURAL_WORDS = [
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'at',
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'in',
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'next',
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'this',
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'from',
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'now',
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'after',
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'half',
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'same',
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'time',
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'weekend',
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'end',
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'of',
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'the',
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'eod',
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'am',
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'pm',
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];
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const ENGLISH_VOCAB = new Set([
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...Object.keys(WEEKDAY_MAP),
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...Object.keys(MONTH_MAP),
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...Object.keys(UNIT_MAP),
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...Object.keys(WORD_NUMBER_MAP),
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...Object.keys(RELATIVE_DAY_MAP),
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...Object.keys(TIME_OF_DAY_MAP),
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...EN_WEEKDAYS_LIST,
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...EN_MONTHS_LIST,
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...STRUCTURAL_WORDS,
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]);
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const ENGLISH_VOCAB_LIST = [...ENGLISH_VOCAB];
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const hasVocabPrefix = w => ENGLISH_VOCAB_LIST.some(v => v.startsWith(w));
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// ─── Regex for token replacement ────────────────────────────────────────────
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const MONTH_NAMES = Object.keys(MONTH_MAP).join('|');
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const MONTH_NAME_RE = new RegExp(`\\b(?:${MONTH_NAMES})\\b`, 'i');
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const NUM_TOD_RE =
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/\b(\d{1,2}(?::\d{2})?)\s+(morning|noon|afternoon|evening|night)\b/g;
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const TOD_TO_MERIDIEM = {
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morning: 'am',
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noon: 'pm',
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afternoon: 'pm',
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evening: 'pm',
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night: 'pm',
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};
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// ─── Translation Cache ──────────────────────────────────────────────────────
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const safeString = v => (v == null ? '' : String(v));
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const MAX_PAIRS_CACHE = 20;
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const pairsCache = new Map();
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const CACHE_SECTIONS = [
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'UNITS',
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'RELATIVE',
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'TIME_OF_DAY',
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'WORD_NUMBERS',
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'MERIDIEM',
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];
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const SINGLE_KEYS = [
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'HALF',
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'NEXT',
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'THIS',
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'AT',
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'IN',
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'FROM_NOW',
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'NEXT_YEAR',
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];
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/** Create a string key from translations so we can cache results. */
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const translationSignature = translations => {
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if (!translations || typeof translations !== 'object') return 'none';
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return [
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...CACHE_SECTIONS.flatMap(section => {
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const values = translations[section] || {};
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return Object.keys(values)
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.sort()
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.map(k => `${section}.${k}:${safeString(values[k]).toLowerCase()}`);
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}),
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...SINGLE_KEYS.map(
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k => `${k}:${safeString(translations[k]).toLowerCase()}`
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),
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].join('|');
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};
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/** Build a list of [localWord, englishWord] pairs from the translations and browser locale. */
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const buildReplacementPairsUncached = (translations, locale) => {
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const pairs = [];
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const seen = new Set();
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const t = translations || {};
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const addPair = (local, en) => {
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const l = sanitize(safeString(local));
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const e = safeString(en).toLowerCase();
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if (l && e && l !== e && !seen.has(l)) {
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seen.add(l);
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pairs.push([l, e]);
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}
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};
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CACHE_SECTIONS.forEach(section => {
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const localSection = t[section] || {};
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const enSection = EN_DEFAULTS[section] || {};
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Object.keys(enSection).forEach(key => {
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addPair(localSection[key], enSection[key]);
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});
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});
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SINGLE_KEYS.forEach(key => addPair(t[key], EN_DEFAULTS[key]));
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try {
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const wdFmt = new Intl.DateTimeFormat(locale, { weekday: 'long' });
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// Jan 1, 2024 is a Monday — aligns with EN_WEEKDAYS_LIST[0]='monday'
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EN_WEEKDAYS_LIST.forEach((en, i) => {
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addPair(wdFmt.format(new Date(2024, 0, i + 1)), en);
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});
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} catch {
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/* locale not supported */
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}
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try {
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const moFmt = new Intl.DateTimeFormat(locale, { month: 'long' });
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EN_MONTHS_LIST.forEach((en, i) => {
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addPair(moFmt.format(new Date(2024, i, 1)), en);
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});
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} catch {
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/* locale not supported */
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}
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pairs.sort((a, b) => b[0].length - a[0].length);
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return pairs;
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};
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/** Same as above but cached. Keeps up to 20 entries to avoid rebuilding every call. */
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const buildReplacementPairs = (translations, locale) => {
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const cacheKey = `${locale || ''}:${translationSignature(translations)}`;
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if (pairsCache.has(cacheKey)) return pairsCache.get(cacheKey);
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const pairs = buildReplacementPairsUncached(translations, locale);
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if (pairsCache.size >= MAX_PAIRS_CACHE)
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pairsCache.delete(pairsCache.keys().next().value);
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pairsCache.set(cacheKey, pairs);
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return pairs;
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};
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// ─── Token Replacement ──────────────────────────────────────────────────────
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const escapeRegex = s => s.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
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/** Swap localized words for their English versions in the text. */
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const substituteLocalTokens = (text, pairs) => {
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let r = text;
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pairs.forEach(([local, en]) => {
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const re = new RegExp(`(?<=^|\\s)${escapeRegex(local)}(?=\\s|$)`, 'g');
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r = r.replace(re, en);
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});
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return r;
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};
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/** Drop any words the parser wouldn't understand (keeps English words and numbers). */
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const filterToEnglishVocab = text =>
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normalizeDigits(text)
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.replace(/(\d+)h\b/g, '$1:00')
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.split(/\s+/)
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.filter(w => /[\d:]/.test(w) || ENGLISH_VOCAB.has(w.toLowerCase()))
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.join(' ')
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.replace(/\s+/g, ' ')
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.trim();
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/** Move "next year" to the right spot so the parser can read it (after the month, before time). */
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const repositionNextYear = text => {
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if (!MONTH_NAME_RE.test(text)) return text;
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let r = text.replace(/\b(?:next\s+)?year\b/i, m =>
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/next/i.test(m) ? m : 'next year'
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);
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if (!/\bnext\s+year\b/i.test(r)) return r;
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const withoutNY = r.replace(/\bnext\s+year\b/i, '').trim();
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const timeRe = /(?:(?:at\s+)?\d{1,2}(?::\d{2})?\s*(?:am|pm)?)\s*$/i;
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const timePart = withoutNY.match(timeRe);
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if (timePart) {
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const beforeTime = withoutNY.slice(0, timePart.index).trim();
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r = `${beforeTime} next year ${timePart[0].trim()}`;
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} else {
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r = `${withoutNY} next year`;
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}
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return r;
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};
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/** Run the full translation pipeline: swap tokens, filter, fix am/pm, reposition "next year". */
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const replaceTokens = (text, pairs) => {
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const substituted = substituteLocalTokens(text, pairs);
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const filtered = filterToEnglishVocab(substituted);
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const fixed = filtered.replace(
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NUM_TOD_RE,
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(_, t, tod) => `${t}${TOD_TO_MERIDIEM[tod]}`
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);
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return stripNoise(repositionNextYear(fixed));
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};
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/** Convert English words back to the user's language for display. */
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const reverseTokens = (text, pairs) =>
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pairs.reduce(
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(r, [local, en]) =>
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r.replace(
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new RegExp(`(?<=^|\\s)${escapeRegex(en)}(?=\\s|$)`, 'g'),
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local
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),
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text
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);
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// ─── Main Suggestion Generator ──────────────────────────────────────────────
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/**
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* Generate snooze suggestions from what the user has typed so far.
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* Works with any language if translations are provided. Returns up to 5
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* unique results, each with a label, date, and unix timestamp.
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*
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* @param {string} text - what the user typed
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* @param {Date} [referenceDate] - treat as "now" (defaults to current time)
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* @param {{ translations?: object, locale?: string }} [options] - i18n config
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* @returns {Array<{ label: string, date: Date, unix: number }>}
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*/
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export const generateDateSuggestions = (
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text,
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referenceDate = new Date(),
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{ translations, locale } = {}
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) => {
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if (!text || typeof text !== 'string') return [];
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const normalized = sanitize(text);
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if (!normalized) return [];
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const stripped = stripNoise(normalized);
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const pairs =
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locale && locale !== 'en'
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? buildReplacementPairs(translations, locale)
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: [];
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// Try English first — if user types English in a non-English locale, skip translation
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const directParse = parseDateFromText(stripped, referenceDate);
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const looksEnglish =
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directParse ||
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stripped
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.split(/\s+/)
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.filter(w => !/^\d/.test(w))
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.some(w => ENGLISH_VOCAB.has(w) || (w.length >= 2 && hasVocabPrefix(w)));
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const useEnglish = !pairs.length || looksEnglish;
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const englishInput = useEnglish ? stripped : replaceTokens(normalized, pairs);
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const seen = new Set();
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const results = [];
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const exact = directParse || parseDateFromText(englishInput, referenceDate);
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if (exact) {
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seen.add(exact.unix);
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results.push({ label: normalized, ...exact });
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}
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buildSuggestionCandidates(englishInput).some(candidate => {
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if (results.length >= MAX_SUGGESTIONS) return true;
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const result = parseDateFromText(candidate, referenceDate);
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if (result && !seen.has(result.unix)) {
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seen.add(result.unix);
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const label =
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!useEnglish && pairs.length
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? reverseTokens(candidate, pairs)
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: candidate;
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results.push({ label, ...result });
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}
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return false;
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});
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return results;
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};
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@@ -0,0 +1,672 @@
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/**
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* Parses natural language text into a future date.
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*
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* Flow: clean the input → try each matcher in order → return the first future date.
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* The MATCHERS order matters — see the comment above the array.
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*/
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import {
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add,
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startOfDay,
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getDay,
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isSaturday,
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isSunday,
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nextFriday,
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nextSaturday,
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getUnixTime,
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isValid,
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startOfWeek,
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addWeeks,
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isAfter,
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isBefore,
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endOfMonth,
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} from 'date-fns';
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import {
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WEEKDAY_MAP,
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MONTH_MAP,
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RELATIVE_DAY_MAP,
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UNIT_MAP,
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WORD_NUMBER_MAP,
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NEXT_WEEKDAY_FN,
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TIME_OF_DAY_MAP,
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TOD_HOUR_RANGE,
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HALF_UNIT_DURATIONS,
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sanitize,
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stripNoise,
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parseNumber,
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parseTimeString,
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applyTimeToDate,
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applyTimeOrDefault,
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strictDate,
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futureOrNextYear,
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ensureFutureOrNextDay,
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inferHoursFromTOD,
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addFractionalSafe,
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} from './tokenMaps';
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// ─── Regex Fragments (derived from maps) ────────────────────────────────────
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const WEEKDAY_NAMES = Object.keys(WEEKDAY_MAP).join('|');
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const MONTH_NAMES = Object.keys(MONTH_MAP).join('|');
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const UNIT_NAMES = Object.keys(UNIT_MAP).join('|');
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const WORD_NUMBERS = Object.keys(WORD_NUMBER_MAP).join('|');
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const RELATIVE_DAYS = Object.keys(RELATIVE_DAY_MAP).join('|');
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const TIME_OF_DAY_NAMES = 'morning|afternoon|evening|night|noon|midnight';
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const NUM_RE = `(\\d+(?:\\.5)?|${WORD_NUMBERS})`;
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const UNIT_RE = `(${UNIT_NAMES})`;
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const TIME_SUFFIX_RE =
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'(?:\\s+(?:at\\s+)?(\\d{1,2}(?::\\d{2})?\\s*(?:am|pm|a\\.m\\.?|p\\.m\\.?)?|\\d{1,2}:\\d{2}))?';
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// ─── Pre-compiled Regexes ───────────────────────────────────────────────────
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const HALF_UNIT_RE = /^(?:in\s+)?half\s+(?:an?\s+)?(hour|day|week|month|year)$/;
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const RELATIVE_DURATION_RE = new RegExp(`^(?:in\\s+)?${NUM_RE}\\s+${UNIT_RE}$`);
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const DURATION_FROM_NOW_RE = new RegExp(
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`^${NUM_RE}\\s+${UNIT_RE}\\s+from\\s+now$`
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);
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const RELATIVE_DAY_ONLY_RE = new RegExp(`^(${RELATIVE_DAYS})$`);
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const RELATIVE_DAY_TOD_RE = new RegExp(
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`^(${RELATIVE_DAYS})\\s+(?:at\\s+)?(${TIME_OF_DAY_NAMES})$`
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);
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const RELATIVE_DAY_TOD_TIME_RE = new RegExp(
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`^(${RELATIVE_DAYS})\\s+(?:at\\s+)?(${TIME_OF_DAY_NAMES})\\s+(\\d{1,2}(?::\\d{2})?)$`
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);
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const RELATIVE_DAY_AT_TIME_RE = new RegExp(
|
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`^(${RELATIVE_DAYS})\\s+(?:at\\s+)?` +
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'(\\d{1,2}(?::\\d{2})?\\s*' +
|
||||
'(?:am|pm|a\\.m\\.?|p\\.m\\.?)?|\\d{1,2}:\\d{2})$'
|
||||
);
|
||||
const RELATIVE_DAY_SAME_TIME_RE = new RegExp(
|
||||
`^(${RELATIVE_DAYS})\\s+(?:same\\s+time|this\\s+time)$`
|
||||
);
|
||||
const NEXT_UNIT_RE = new RegExp(
|
||||
`^next\\s+(hour|minute|week|month|year)${TIME_SUFFIX_RE}$`
|
||||
);
|
||||
const NEXT_MONTH_RE = new RegExp(`^next\\s+(${MONTH_NAMES})${TIME_SUFFIX_RE}$`);
|
||||
const NEXT_WEEKDAY_TOD_RE = new RegExp(
|
||||
`^next\\s+(${WEEKDAY_NAMES})\\s+(${TIME_OF_DAY_NAMES})$`
|
||||
);
|
||||
const NEXT_WEEKDAY_RE = new RegExp(
|
||||
`^(?:(${WEEKDAY_NAMES})\\s+(?:of\\s+)?next\\s+week` +
|
||||
`|next\\s+week\\s+(${WEEKDAY_NAMES})` +
|
||||
`|next\\s+(${WEEKDAY_NAMES}))${TIME_SUFFIX_RE}$`
|
||||
);
|
||||
const SAME_TIME_WEEKDAY_RE = new RegExp(
|
||||
`^(?:same\\s+time|this\\s+time)\\s+(${WEEKDAY_NAMES})$`
|
||||
);
|
||||
const WEEKDAY_TOD_RE = new RegExp(
|
||||
`^(?:(?:this|upcoming|coming)\\s+)?` +
|
||||
`(${WEEKDAY_NAMES})\\s+(${TIME_OF_DAY_NAMES})$`
|
||||
);
|
||||
const WEEKDAY_TOD_TIME_RE = new RegExp(
|
||||
`^(?:(?:this|upcoming|coming)\\s+)?` +
|
||||
`(${WEEKDAY_NAMES})\\s+(${TIME_OF_DAY_NAMES})\\s+(\\d{1,2}(?::\\d{2})?)$`
|
||||
);
|
||||
const WEEKDAY_TIME_RE = new RegExp(
|
||||
`^(?:(?:this|upcoming|coming)\\s+)?(${WEEKDAY_NAMES})${TIME_SUFFIX_RE}$`
|
||||
);
|
||||
const TIME_ONLY_MERIDIEM_RE =
|
||||
/^(?:at\s+)?(\d{1,2}(?::\d{2})?\s*(?:am|pm|a\.m\.?|p\.m\.?))$/;
|
||||
const TIME_ONLY_24H_RE = /^(?:at\s+)?(\d{1,2}:\d{2})$/;
|
||||
const TOD_WITH_TIME_RE = new RegExp(
|
||||
`^(?:(?:this|the)\\s+)?(${TIME_OF_DAY_NAMES})\\s+` +
|
||||
'(?:at\\s+)?(\\d{1,2}(?::\\d{2})?\\s*' +
|
||||
'(?:am|pm|a\\.m\\.?|p\\.m\\.?)?)$'
|
||||
);
|
||||
const TOD_PLAIN_RE = new RegExp(
|
||||
'(?:(?:later|in)\\s+)?(?:(?:this|the)\\s+)?' +
|
||||
`(?:${TIME_OF_DAY_NAMES}|eod|end of day|end of the day)$`
|
||||
);
|
||||
const ABSOLUTE_DATE_RE = new RegExp(
|
||||
`^(${MONTH_NAMES})\\s+(\\d{1,2})(?:st|nd|rd|th)?` +
|
||||
`(?:[,\\s]+(\\d{4}|next\\s+year))?${TIME_SUFFIX_RE}$`
|
||||
);
|
||||
const ABSOLUTE_DATE_REVERSED_RE = new RegExp(
|
||||
`^(\\d{1,2})(?:st|nd|rd|th)?\\s+(${MONTH_NAMES})` +
|
||||
`(?:[,\\s]+(\\d{4}|next\\s+year))?${TIME_SUFFIX_RE}$`
|
||||
);
|
||||
const MONTH_YEAR_RE = new RegExp(`^(${MONTH_NAMES})\\s+(\\d{4})$`);
|
||||
const DAY_AFTER_TOMORROW_RE = new RegExp(
|
||||
`^day\\s+after\\s+tomorrow${TIME_SUFFIX_RE}$`
|
||||
);
|
||||
|
||||
const COMPOUND_DURATION_RE = new RegExp(
|
||||
`^(?:in\\s+)?${NUM_RE}\\s+${UNIT_RE}\\s+(?:and\\s+)?${NUM_RE}\\s+${UNIT_RE}$`
|
||||
);
|
||||
const DURATION_AT_TIME_RE = new RegExp(
|
||||
`^(?:in\\s+)?${NUM_RE}\\s+${UNIT_RE}\\s+at\\s+` +
|
||||
'(\\d{1,2}(?::\\d{2})?\\s*(?:am|pm|a\\.m\\.?|p\\.m\\.?)?)$'
|
||||
);
|
||||
const END_OF_RE = /^end\s+of\s+(?:the\s+)?(week|month|day)$/;
|
||||
const LATER_TODAY_RE = /^later\s+(?:today|this\s+(?:afternoon|evening))$/;
|
||||
|
||||
const TIME_SUFFIX_COMPILED = new RegExp(`${TIME_SUFFIX_RE}$`);
|
||||
const ISO_DATE_RE = new RegExp(
|
||||
`^(\\d{4})-(\\d{1,2})-(\\d{1,2})${TIME_SUFFIX_COMPILED.source}`
|
||||
);
|
||||
const SLASH_DATE_RE = new RegExp(
|
||||
`^(\\d{1,2})/(\\d{1,2})/(\\d{4})${TIME_SUFFIX_COMPILED.source}`
|
||||
);
|
||||
const DASH_DATE_RE = new RegExp(
|
||||
`^(\\d{1,2})-(\\d{1,2})-(\\d{4})${TIME_SUFFIX_COMPILED.source}`
|
||||
);
|
||||
const DOT_DATE_RE = new RegExp(
|
||||
`^(\\d{1,2})\\.(\\d{1,2})\\.(\\d{4})${TIME_SUFFIX_COMPILED.source}`
|
||||
);
|
||||
const AMBIGUOUS_DATE_RES = [SLASH_DATE_RE, DASH_DATE_RE, DOT_DATE_RE];
|
||||
|
||||
// ─── Pattern Matchers ───────────────────────────────────────────────────────
|
||||
|
||||
/** Read amount and unit from a regex match, then add to now. */
|
||||
const parseDuration = (match, now) => {
|
||||
if (!match) return null;
|
||||
const amount = parseNumber(match[1]);
|
||||
const unit = UNIT_MAP[match[2]];
|
||||
if (amount == null || !unit) return null;
|
||||
return addFractionalSafe(now, unit, amount);
|
||||
};
|
||||
|
||||
/** Handle "in 2 hours", "half day", "3h30m", "5 min from now". */
|
||||
const matchDuration = (text, now) => {
|
||||
const half = text.match(HALF_UNIT_RE);
|
||||
if (half) {
|
||||
return HALF_UNIT_DURATIONS[half[1]]
|
||||
? add(now, HALF_UNIT_DURATIONS[half[1]])
|
||||
: null;
|
||||
}
|
||||
|
||||
const compound = text.match(COMPOUND_DURATION_RE);
|
||||
if (compound) {
|
||||
const a1 = parseNumber(compound[1]);
|
||||
const u1 = UNIT_MAP[compound[2]];
|
||||
const a2 = parseNumber(compound[3]);
|
||||
const u2 = UNIT_MAP[compound[4]];
|
||||
if (a1 == null || !u1 || a2 == null || !u2) {
|
||||
return null;
|
||||
}
|
||||
return add(add(now, { [u1]: a1 }), { [u2]: a2 });
|
||||
}
|
||||
|
||||
const atTime = text.match(DURATION_AT_TIME_RE);
|
||||
if (atTime) {
|
||||
const amount = parseNumber(atTime[1]);
|
||||
const unit = UNIT_MAP[atTime[2]];
|
||||
const time = parseTimeString(atTime[3]);
|
||||
if (amount == null || !unit || !time) {
|
||||
return null;
|
||||
}
|
||||
return applyTimeToDate(
|
||||
add(now, { [unit]: amount }),
|
||||
time.hours,
|
||||
time.minutes
|
||||
);
|
||||
}
|
||||
|
||||
return (
|
||||
parseDuration(text.match(DURATION_FROM_NOW_RE), now) ||
|
||||
parseDuration(text.match(RELATIVE_DURATION_RE), now)
|
||||
);
|
||||
};
|
||||
|
||||
/** Set time on a day offset. If the result is already past, move to the next day. */
|
||||
const applyTimeWithRollover = (offset, hours, minutes, now) => {
|
||||
const base = add(startOfDay(now), { days: offset });
|
||||
const date = applyTimeToDate(base, hours, minutes);
|
||||
if (isAfter(date, now)) return date;
|
||||
return applyTimeToDate(add(base, { days: 1 }), hours, minutes);
|
||||
};
|
||||
|
||||
/** Handle "today", "tonight", "tomorrow" with optional time. */
|
||||
const matchRelativeDay = (text, now) => {
|
||||
const dayOnlyMatch = text.match(RELATIVE_DAY_ONLY_RE);
|
||||
if (dayOnlyMatch) {
|
||||
const key = dayOnlyMatch[1];
|
||||
const offset = RELATIVE_DAY_MAP[key];
|
||||
if (key === 'tonight' || key === 'tonite') {
|
||||
return ensureFutureOrNextDay(
|
||||
applyTimeToDate(add(startOfDay(now), { days: offset }), 20, 0),
|
||||
now
|
||||
);
|
||||
}
|
||||
if (offset === 1) {
|
||||
return applyTimeToDate(add(startOfDay(now), { days: 1 }), 9, 0);
|
||||
}
|
||||
return add(now, { hours: 1 });
|
||||
}
|
||||
|
||||
const dayTodTimeMatch = text.match(RELATIVE_DAY_TOD_TIME_RE);
|
||||
if (dayTodTimeMatch) {
|
||||
const timeParts = dayTodTimeMatch[3].split(':');
|
||||
const time = inferHoursFromTOD(
|
||||
dayTodTimeMatch[2],
|
||||
timeParts[0],
|
||||
timeParts[1]
|
||||
);
|
||||
if (!time) return null;
|
||||
return applyTimeWithRollover(
|
||||
RELATIVE_DAY_MAP[dayTodTimeMatch[1]],
|
||||
time.hours,
|
||||
time.minutes,
|
||||
now
|
||||
);
|
||||
}
|
||||
|
||||
const dayTodMatch = text.match(RELATIVE_DAY_TOD_RE);
|
||||
if (dayTodMatch) {
|
||||
const { hours, minutes } = TIME_OF_DAY_MAP[dayTodMatch[2]];
|
||||
return applyTimeWithRollover(
|
||||
RELATIVE_DAY_MAP[dayTodMatch[1]],
|
||||
hours,
|
||||
minutes,
|
||||
now
|
||||
);
|
||||
}
|
||||
|
||||
const dayAtTimeMatch = text.match(RELATIVE_DAY_AT_TIME_RE);
|
||||
if (dayAtTimeMatch) {
|
||||
const time = parseTimeString(dayAtTimeMatch[2]);
|
||||
if (!time) return null;
|
||||
return applyTimeWithRollover(
|
||||
RELATIVE_DAY_MAP[dayAtTimeMatch[1]],
|
||||
time.hours,
|
||||
time.minutes,
|
||||
now
|
||||
);
|
||||
}
|
||||
|
||||
const sameTimeMatch = text.match(RELATIVE_DAY_SAME_TIME_RE);
|
||||
if (sameTimeMatch) {
|
||||
const offset = RELATIVE_DAY_MAP[sameTimeMatch[1]];
|
||||
if (offset <= 0) return null;
|
||||
return applyTimeToDate(
|
||||
add(startOfDay(now), { days: offset }),
|
||||
now.getHours(),
|
||||
now.getMinutes()
|
||||
);
|
||||
}
|
||||
|
||||
return null;
|
||||
};
|
||||
|
||||
/** Find the given weekday in next week (not this week). */
|
||||
const nextWeekdayInNextWeek = (dayIndex, now) => {
|
||||
const fn = NEXT_WEEKDAY_FN[dayIndex];
|
||||
if (!fn) return null;
|
||||
const date = fn(now);
|
||||
const sameWeek =
|
||||
startOfWeek(now, { weekStartsOn: 1 }).getTime() ===
|
||||
startOfWeek(date, { weekStartsOn: 1 }).getTime();
|
||||
return sameWeek ? fn(date) : date;
|
||||
};
|
||||
|
||||
/** Handle "next friday", "next week", "next month", "next january", etc. */
|
||||
const matchNextPattern = (text, now) => {
|
||||
const nextUnitMatch = text.match(NEXT_UNIT_RE);
|
||||
if (nextUnitMatch) {
|
||||
const unit = nextUnitMatch[1];
|
||||
if (unit === 'hour') return add(now, { hours: 1 });
|
||||
if (unit === 'minute') return add(now, { minutes: 1 });
|
||||
if (unit === 'week') {
|
||||
const base = startOfWeek(addWeeks(now, 1), { weekStartsOn: 1 });
|
||||
return applyTimeOrDefault(base, nextUnitMatch[2]);
|
||||
}
|
||||
const base = add(startOfDay(now), { [`${unit}s`]: 1 });
|
||||
return applyTimeOrDefault(base, nextUnitMatch[2]);
|
||||
}
|
||||
|
||||
const nextMonthMatch = text.match(NEXT_MONTH_RE);
|
||||
if (nextMonthMatch) {
|
||||
const monthIdx = MONTH_MAP[nextMonthMatch[1]];
|
||||
let year = now.getFullYear();
|
||||
if (monthIdx <= now.getMonth()) year += 1;
|
||||
const base = new Date(year, monthIdx, 1);
|
||||
return applyTimeOrDefault(base, nextMonthMatch[2]);
|
||||
}
|
||||
|
||||
// "next monday morning", "next friday midnight" — weekday + time-of-day
|
||||
const nextTodMatch = text.match(NEXT_WEEKDAY_TOD_RE);
|
||||
if (nextTodMatch) {
|
||||
const date = nextWeekdayInNextWeek(WEEKDAY_MAP[nextTodMatch[1]], now);
|
||||
if (!date) return null;
|
||||
const { hours, minutes } = TIME_OF_DAY_MAP[nextTodMatch[2]];
|
||||
return applyTimeToDate(date, hours, minutes);
|
||||
}
|
||||
|
||||
// "monday of next week", "next week monday", "next friday" — all with optional time
|
||||
const weekdayMatch = text.match(NEXT_WEEKDAY_RE);
|
||||
if (weekdayMatch) {
|
||||
const dayName = weekdayMatch[1] || weekdayMatch[2] || weekdayMatch[3];
|
||||
const date = nextWeekdayInNextWeek(WEEKDAY_MAP[dayName], now);
|
||||
if (!date) return null;
|
||||
return applyTimeOrDefault(date, weekdayMatch[4]);
|
||||
}
|
||||
|
||||
return null;
|
||||
};
|
||||
|
||||
/** Find the next occurrence of a weekday, with optional time. */
|
||||
const resolveWeekdayDate = (dayIndex, timeStr, now) => {
|
||||
const fn = NEXT_WEEKDAY_FN[dayIndex];
|
||||
if (!fn) return null;
|
||||
let adjusted = timeStr;
|
||||
if (timeStr && /^\d{1,2}$/.test(timeStr.trim())) {
|
||||
const h = parseInt(timeStr, 10);
|
||||
if (h >= 1 && h <= 7) adjusted = `${h}pm`;
|
||||
}
|
||||
|
||||
if (getDay(now) === dayIndex) {
|
||||
const todayDate = applyTimeOrDefault(now, adjusted);
|
||||
if (todayDate && isAfter(todayDate, now)) return todayDate;
|
||||
}
|
||||
|
||||
return applyTimeOrDefault(fn(now), adjusted);
|
||||
};
|
||||
|
||||
/** Handle "friday", "monday 3pm", "wed morning", "same time friday". */
|
||||
const matchWeekday = (text, now) => {
|
||||
const sameTimeWeekday = text.match(SAME_TIME_WEEKDAY_RE);
|
||||
if (sameTimeWeekday) {
|
||||
const dayIndex = WEEKDAY_MAP[sameTimeWeekday[1]];
|
||||
const fn = NEXT_WEEKDAY_FN[dayIndex];
|
||||
if (!fn) return null;
|
||||
const target = fn(now);
|
||||
return applyTimeToDate(target, now.getHours(), now.getMinutes());
|
||||
}
|
||||
|
||||
// "monday morning 6", "friday evening 7" — weekday + tod + bare number
|
||||
const todTimeMatch = text.match(WEEKDAY_TOD_TIME_RE);
|
||||
if (todTimeMatch) {
|
||||
const dayIndex = WEEKDAY_MAP[todTimeMatch[1]];
|
||||
const fn = NEXT_WEEKDAY_FN[dayIndex];
|
||||
if (!fn) return null;
|
||||
const timeParts = todTimeMatch[3].split(':');
|
||||
const time = inferHoursFromTOD(todTimeMatch[2], timeParts[0], timeParts[1]);
|
||||
if (!time) return null;
|
||||
const target =
|
||||
getDay(now) === dayIndex ? startOfDay(now) : startOfDay(fn(now));
|
||||
const date = applyTimeToDate(target, time.hours, time.minutes);
|
||||
return isAfter(date, now)
|
||||
? date
|
||||
: applyTimeToDate(fn(now), time.hours, time.minutes);
|
||||
}
|
||||
|
||||
// "monday morning", "friday midnight", "wednesday evening", etc.
|
||||
const todMatch = text.match(WEEKDAY_TOD_RE);
|
||||
if (todMatch) {
|
||||
const dayIndex = WEEKDAY_MAP[todMatch[1]];
|
||||
const fn = NEXT_WEEKDAY_FN[dayIndex];
|
||||
if (!fn) return null;
|
||||
const { hours, minutes } = TIME_OF_DAY_MAP[todMatch[2]];
|
||||
const target =
|
||||
getDay(now) === dayIndex ? startOfDay(now) : startOfDay(fn(now));
|
||||
const date = applyTimeToDate(target, hours, minutes);
|
||||
return isAfter(date, now) ? date : applyTimeToDate(fn(now), hours, minutes);
|
||||
}
|
||||
|
||||
const match = text.match(WEEKDAY_TIME_RE);
|
||||
if (!match) return null;
|
||||
|
||||
return resolveWeekdayDate(WEEKDAY_MAP[match[1]], match[2], now);
|
||||
};
|
||||
|
||||
/** Handle a standalone time like "3pm", "14:30", "at 9am". */
|
||||
const matchTimeOnly = (text, now) => {
|
||||
const match =
|
||||
text.match(TIME_ONLY_MERIDIEM_RE) || text.match(TIME_ONLY_24H_RE);
|
||||
if (!match) return null;
|
||||
|
||||
const time = parseTimeString(match[1]);
|
||||
if (!time) return null;
|
||||
return ensureFutureOrNextDay(
|
||||
applyTimeToDate(now, time.hours, time.minutes),
|
||||
now
|
||||
);
|
||||
};
|
||||
|
||||
/** Handle "morning", "evening 6pm", "eod", "this afternoon". */
|
||||
const matchTimeOfDay = (text, now) => {
|
||||
const todWithTime = text.match(TOD_WITH_TIME_RE);
|
||||
if (todWithTime) {
|
||||
const rawTime = todWithTime[2].trim();
|
||||
const hasMeridiem = /(?:am|pm|a\.m|p\.m)/i.test(rawTime);
|
||||
let time;
|
||||
if (hasMeridiem) {
|
||||
time = parseTimeString(rawTime);
|
||||
const range = TOD_HOUR_RANGE[todWithTime[1]];
|
||||
if (!time) return null;
|
||||
if (range) {
|
||||
const h = time.hours === 0 ? 24 : time.hours;
|
||||
if (h < range[0] || h >= range[1]) return null;
|
||||
}
|
||||
} else {
|
||||
const parts = rawTime.split(':');
|
||||
time = inferHoursFromTOD(todWithTime[1], parts[0], parts[1]);
|
||||
}
|
||||
if (!time) return null;
|
||||
return ensureFutureOrNextDay(
|
||||
applyTimeToDate(now, time.hours, time.minutes),
|
||||
now
|
||||
);
|
||||
}
|
||||
|
||||
const match = text.match(TOD_PLAIN_RE);
|
||||
if (!match) return null;
|
||||
|
||||
const key = text
|
||||
.replace(/^(?:later|in)\s+/, '')
|
||||
.replace(/^(?:this|the)\s+/, '')
|
||||
.trim();
|
||||
const tod = TIME_OF_DAY_MAP[key];
|
||||
if (!tod) return null;
|
||||
return ensureFutureOrNextDay(
|
||||
applyTimeToDate(now, tod.hours, tod.minutes),
|
||||
now
|
||||
);
|
||||
};
|
||||
|
||||
/** Turn month + day + optional year into a future date. */
|
||||
const resolveAbsoluteDate = (month, day, yearStr, timeStr, now) => {
|
||||
let year = now.getFullYear();
|
||||
if (yearStr && /next\s+year/i.test(yearStr)) {
|
||||
year += 1;
|
||||
} else if (yearStr) {
|
||||
year = parseInt(yearStr, 10);
|
||||
}
|
||||
if (yearStr) {
|
||||
const base = strictDate(year, month, day);
|
||||
if (!base) return null;
|
||||
const date = applyTimeOrDefault(base, timeStr);
|
||||
return date && isAfter(date, now) ? date : null;
|
||||
}
|
||||
return futureOrNextYear(year, month, day, timeStr, now);
|
||||
};
|
||||
|
||||
/** Handle "jan 15", "15 march", "december 2025". */
|
||||
const matchNamedDate = (text, now) => {
|
||||
const abs = text.match(ABSOLUTE_DATE_RE);
|
||||
if (abs) {
|
||||
return resolveAbsoluteDate(
|
||||
MONTH_MAP[abs[1]],
|
||||
parseInt(abs[2], 10),
|
||||
abs[3],
|
||||
abs[4],
|
||||
now
|
||||
);
|
||||
}
|
||||
|
||||
const rev = text.match(ABSOLUTE_DATE_REVERSED_RE);
|
||||
if (rev) {
|
||||
return resolveAbsoluteDate(
|
||||
MONTH_MAP[rev[2]],
|
||||
parseInt(rev[1], 10),
|
||||
rev[3],
|
||||
rev[4],
|
||||
now
|
||||
);
|
||||
}
|
||||
|
||||
const my = text.match(MONTH_YEAR_RE);
|
||||
if (my) {
|
||||
const date = new Date(parseInt(my[2], 10), MONTH_MAP[my[1]], 1);
|
||||
if (!isValid(date)) return null;
|
||||
const result = applyTimeToDate(date, 9, 0);
|
||||
return isAfter(result, now) ? result : null;
|
||||
}
|
||||
|
||||
return null;
|
||||
};
|
||||
|
||||
/** Build a date from year/month/day numbers, with optional time. */
|
||||
const buildDateWithOptionalTime = (year, month, day, timeStr) => {
|
||||
const date = strictDate(year, month, day);
|
||||
if (!date) return null;
|
||||
return applyTimeOrDefault(date, timeStr);
|
||||
};
|
||||
|
||||
// When both values are ≤ 12 (ambiguous), defaults to M/D (US format).
|
||||
const disambiguateDayMonth = (a, b) => {
|
||||
if (a > 12) return { day: a, month: b - 1 };
|
||||
if (b > 12) return { month: a - 1, day: b };
|
||||
return { month: a - 1, day: b };
|
||||
};
|
||||
|
||||
/** Handle formal dates: "2025-01-15", "1/15/2025", "15.01.2025". */
|
||||
const matchFormalDate = (text, now) => {
|
||||
const ensureFuture = date => (date && isAfter(date, now) ? date : null);
|
||||
|
||||
const isoMatch = text.match(ISO_DATE_RE);
|
||||
if (isoMatch) {
|
||||
return ensureFuture(
|
||||
buildDateWithOptionalTime(
|
||||
parseInt(isoMatch[1], 10),
|
||||
parseInt(isoMatch[2], 10) - 1,
|
||||
parseInt(isoMatch[3], 10),
|
||||
isoMatch[4]
|
||||
)
|
||||
);
|
||||
}
|
||||
|
||||
let result = null;
|
||||
AMBIGUOUS_DATE_RES.some(re => {
|
||||
const m = text.match(re);
|
||||
if (!m) return false;
|
||||
const { month, day } = disambiguateDayMonth(
|
||||
parseInt(m[1], 10),
|
||||
parseInt(m[2], 10)
|
||||
);
|
||||
result = ensureFuture(
|
||||
buildDateWithOptionalTime(parseInt(m[3], 10), month, day, m[4])
|
||||
);
|
||||
return true;
|
||||
});
|
||||
return result;
|
||||
};
|
||||
|
||||
/** Handle "day after tomorrow", "end of week", "this weekend", "later today". */
|
||||
const matchSpecial = (text, now) => {
|
||||
const dat = text.match(DAY_AFTER_TOMORROW_RE);
|
||||
if (dat) return applyTimeOrDefault(add(startOfDay(now), { days: 2 }), dat[1]);
|
||||
|
||||
const eof = text.match(END_OF_RE);
|
||||
if (eof) {
|
||||
if (eof[1] === 'day') return applyTimeToDate(now, 17, 0);
|
||||
if (eof[1] === 'week') {
|
||||
const fri = applyTimeToDate(now, 17, 0);
|
||||
if (getDay(now) === 5 && isAfter(fri, now)) return fri;
|
||||
return applyTimeToDate(nextFriday(now), 17, 0);
|
||||
}
|
||||
if (eof[1] === 'month') {
|
||||
const eom = applyTimeToDate(endOfMonth(now), 17, 0);
|
||||
if (isAfter(eom, now)) return eom;
|
||||
return applyTimeToDate(endOfMonth(add(now, { months: 1 })), 17, 0);
|
||||
}
|
||||
}
|
||||
|
||||
if (LATER_TODAY_RE.test(text)) return add(now, { hours: 3 });
|
||||
|
||||
const weekendMatch = text.match(
|
||||
/^(this weekend|weekend|next weekend)(?:\s+(?:at\s+)?(.+))?$/
|
||||
);
|
||||
if (weekendMatch) {
|
||||
const isNext = weekendMatch[1] === 'next weekend';
|
||||
const timeStr = weekendMatch[2];
|
||||
|
||||
if (isNext) {
|
||||
const sat = nextSaturday(now);
|
||||
const d = isSaturday(now) || isSunday(now) ? sat : add(sat, { weeks: 1 });
|
||||
return applyTimeOrDefault(d, timeStr);
|
||||
}
|
||||
|
||||
if (isSaturday(now)) {
|
||||
if (!timeStr) {
|
||||
if (now.getHours() < 10) return applyTimeToDate(now, 10, 0);
|
||||
if (now.getHours() < 18) return add(now, { hours: 2 });
|
||||
return applyTimeToDate(add(startOfDay(now), { days: 1 }), 10, 0);
|
||||
}
|
||||
const today = applyTimeOrDefault(now, timeStr);
|
||||
if (today && isAfter(today, now)) return today;
|
||||
return applyTimeOrDefault(add(startOfDay(now), { days: 1 }), timeStr);
|
||||
}
|
||||
if (isSunday(now)) {
|
||||
if (!timeStr) {
|
||||
if (now.getHours() < 10) return applyTimeToDate(now, 10, 0);
|
||||
return add(now, { hours: 2 });
|
||||
}
|
||||
const today = applyTimeOrDefault(now, timeStr);
|
||||
if (today && isAfter(today, now)) return today;
|
||||
}
|
||||
return applyTimeOrDefault(nextSaturday(now), timeStr);
|
||||
}
|
||||
|
||||
return null;
|
||||
};
|
||||
|
||||
// ─── Main Parser ────────────────────────────────────────────────────────────
|
||||
|
||||
// Order matters — first match wins. Common patterns go first.
|
||||
// Do not reorder without running the spec.
|
||||
const MATCHERS = [
|
||||
matchDuration, // "in 2 hours", "half day", "3h30m"
|
||||
matchSpecial, // "end of week", "later today", "this weekend"
|
||||
matchRelativeDay, // "tomorrow 3pm", "tonight", "today morning"
|
||||
matchNextPattern, // "next friday", "next week", "next month"
|
||||
matchTimeOfDay, // "morning", "evening 6pm", "eod"
|
||||
matchWeekday, // "friday", "monday 3pm", "wed morning"
|
||||
matchTimeOnly, // "3pm", "14:30" (must be after weekday to avoid conflicts)
|
||||
matchNamedDate, // "jan 15", "march 20 next year"
|
||||
matchFormalDate, // "2025-01-15", "1/15/2025" (least common, last)
|
||||
];
|
||||
|
||||
/**
|
||||
* Parse free-form text into a future date.
|
||||
* Returns { date, unix } or null. Only returns dates after referenceDate.
|
||||
*
|
||||
* @param {string} text - user input like "in 2 hours" or "next friday 3pm"
|
||||
* @param {Date} [referenceDate] - treat as "now" (defaults to current time)
|
||||
* @returns {{ date: Date, unix: number } | null}
|
||||
*/
|
||||
export const parseDateFromText = (text, referenceDate = new Date()) => {
|
||||
if (!text || typeof text !== 'string') return null;
|
||||
|
||||
const normalized = stripNoise(sanitize(text));
|
||||
if (!normalized) return null;
|
||||
|
||||
const maxDate = add(referenceDate, { years: 999 });
|
||||
|
||||
const isValidFuture = d =>
|
||||
d && isValid(d) && isAfter(d, referenceDate) && !isBefore(maxDate, d);
|
||||
|
||||
let result = null;
|
||||
MATCHERS.some(matcher => {
|
||||
const d = matcher(normalized, referenceDate);
|
||||
if (isValidFuture(d)) {
|
||||
result = { date: d, unix: getUnixTime(d) };
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
});
|
||||
|
||||
return result;
|
||||
};
|
||||
@@ -0,0 +1,101 @@
|
||||
/**
|
||||
* Builds autocomplete suggestions as the user types a snooze date.
|
||||
* Matches partial input against known phrases and ranks them by closeness.
|
||||
*/
|
||||
|
||||
import {
|
||||
UNIT_MAP,
|
||||
WEEKDAY_MAP,
|
||||
TIME_OF_DAY_MAP,
|
||||
RELATIVE_DAY_MAP,
|
||||
WORD_NUMBER_MAP,
|
||||
MONTH_MAP,
|
||||
HALF_UNIT_DURATIONS,
|
||||
} from './tokenMaps';
|
||||
|
||||
const SUGGESTION_UNITS = [...new Set(Object.values(UNIT_MAP))].filter(
|
||||
u => u !== 'seconds'
|
||||
);
|
||||
|
||||
const FULL_WEEKDAYS = Object.keys(WEEKDAY_MAP).filter(k => k.length > 3);
|
||||
const TOD_NAMES = Object.keys(TIME_OF_DAY_MAP).filter(k => !k.includes(' '));
|
||||
const MONTH_NAMES_LONG = Object.keys(MONTH_MAP).filter(k => k.length > 3);
|
||||
|
||||
const ALL_SUGGESTION_PHRASES = [
|
||||
...Object.keys(RELATIVE_DAY_MAP),
|
||||
...FULL_WEEKDAYS,
|
||||
...TOD_NAMES,
|
||||
'next week',
|
||||
'next month',
|
||||
'this weekend',
|
||||
'next weekend',
|
||||
'day after tomorrow',
|
||||
'later today',
|
||||
'end of day',
|
||||
'end of week',
|
||||
'end of month',
|
||||
...TOD_NAMES.map(tod => `tomorrow ${tod}`),
|
||||
...TOD_NAMES.map(tod => `tomorrow at ${tod}`),
|
||||
...FULL_WEEKDAYS.map(wd => `next ${wd}`),
|
||||
...FULL_WEEKDAYS.map(wd => `this ${wd}`),
|
||||
...FULL_WEEKDAYS.flatMap(wd => TOD_NAMES.map(tod => `${wd} ${tod}`)),
|
||||
...FULL_WEEKDAYS.flatMap(wd => TOD_NAMES.map(tod => `next ${wd} ${tod}`)),
|
||||
...MONTH_NAMES_LONG.map(m => `${m} 1`),
|
||||
];
|
||||
|
||||
/** Check how closely the input matches a candidate. -1 = no match, 0 = exact prefix, N = extra words needed. */
|
||||
const prefixMatchScore = (candidate, input) => {
|
||||
if (candidate === input) return -1;
|
||||
if (candidate.startsWith(input)) return 0;
|
||||
const inputWords = input.split(' ');
|
||||
const candidateWords = candidate.split(' ');
|
||||
const lastIdx = inputWords.reduce((prev, iw) => {
|
||||
if (prev === -2) return -2;
|
||||
const idx = candidateWords.findIndex(
|
||||
(cw, ci) => ci > prev && cw.startsWith(iw)
|
||||
);
|
||||
return idx === -1 ? -2 : idx;
|
||||
}, -1);
|
||||
if (lastIdx === -2) return -1;
|
||||
return candidateWords.length - inputWords.length;
|
||||
};
|
||||
|
||||
export const MAX_SUGGESTIONS = 5;
|
||||
|
||||
/** Turn user input into a ranked list of suggestion strings to try parsing. */
|
||||
export const buildSuggestionCandidates = text => {
|
||||
if (!text) return [];
|
||||
|
||||
if (/^\d/.test(text)) {
|
||||
const num = text.match(/^\d+(?:\.5)?/)[0];
|
||||
const candidates = SUGGESTION_UNITS.map(u => `${num} ${u}`);
|
||||
const trimmed = text.replace(/\s+/g, ' ').trim();
|
||||
return trimmed.length > num.length
|
||||
? candidates.filter(c => c.startsWith(trimmed))
|
||||
: candidates;
|
||||
}
|
||||
|
||||
if (text.length >= 2 && 'half'.startsWith(text)) {
|
||||
return Object.keys(HALF_UNIT_DURATIONS).map(u => `half ${u}`);
|
||||
}
|
||||
|
||||
const wordNum = WORD_NUMBER_MAP[text];
|
||||
if (wordNum != null && wordNum >= 1) {
|
||||
return SUGGESTION_UNITS.map(u => `${wordNum} ${u}`);
|
||||
}
|
||||
|
||||
const scored = ALL_SUGGESTION_PHRASES.reduce((acc, candidate) => {
|
||||
const score = prefixMatchScore(candidate, text);
|
||||
if (score >= 0) acc.push({ candidate, score });
|
||||
return acc;
|
||||
}, []);
|
||||
scored.sort((a, b) => a.score - b.score);
|
||||
const seen = new Set();
|
||||
return scored.reduce((acc, { candidate }) => {
|
||||
if (acc.length < MAX_SUGGESTIONS * 3 && !seen.has(candidate)) {
|
||||
seen.add(candidate);
|
||||
acc.push(candidate);
|
||||
}
|
||||
return acc;
|
||||
}, []);
|
||||
};
|
||||
@@ -0,0 +1,375 @@
|
||||
/**
|
||||
* Shared lookup tables and helper functions used by the parser,
|
||||
* suggestions, and localization modules.
|
||||
*/
|
||||
|
||||
import {
|
||||
add,
|
||||
set,
|
||||
isValid,
|
||||
isAfter,
|
||||
nextMonday,
|
||||
nextTuesday,
|
||||
nextWednesday,
|
||||
nextThursday,
|
||||
nextFriday,
|
||||
nextSaturday,
|
||||
nextSunday,
|
||||
} from 'date-fns';
|
||||
|
||||
// ─── Token Maps ──────────────────────────────────────────────────────────────
|
||||
// All keys are lowercase. Short forms and full names both work.
|
||||
|
||||
/** Weekday name or short form → day index (0 = Sunday). */
|
||||
export const WEEKDAY_MAP = {
|
||||
sunday: 0,
|
||||
sun: 0,
|
||||
monday: 1,
|
||||
mon: 1,
|
||||
tuesday: 2,
|
||||
tue: 2,
|
||||
tues: 2,
|
||||
wednesday: 3,
|
||||
wed: 3,
|
||||
thursday: 4,
|
||||
thu: 4,
|
||||
thur: 4,
|
||||
thurs: 4,
|
||||
friday: 5,
|
||||
fri: 5,
|
||||
saturday: 6,
|
||||
sat: 6,
|
||||
};
|
||||
|
||||
/** Month name or short form → month index (0 = January). */
|
||||
export const MONTH_MAP = {
|
||||
january: 0,
|
||||
jan: 0,
|
||||
february: 1,
|
||||
feb: 1,
|
||||
march: 2,
|
||||
mar: 2,
|
||||
april: 3,
|
||||
apr: 3,
|
||||
may: 4,
|
||||
june: 5,
|
||||
jun: 5,
|
||||
july: 6,
|
||||
jul: 6,
|
||||
august: 7,
|
||||
aug: 7,
|
||||
september: 8,
|
||||
sep: 8,
|
||||
sept: 8,
|
||||
october: 9,
|
||||
oct: 9,
|
||||
november: 10,
|
||||
nov: 10,
|
||||
december: 11,
|
||||
dec: 11,
|
||||
};
|
||||
|
||||
/** Words like "today" or "tomorrow" → how many days from now. */
|
||||
export const RELATIVE_DAY_MAP = {
|
||||
today: 0,
|
||||
tonight: 0,
|
||||
tonite: 0,
|
||||
tomorrow: 1,
|
||||
tmr: 1,
|
||||
tmrw: 1,
|
||||
};
|
||||
|
||||
/** Unit shorthand → full unit name used by date-fns. */
|
||||
export const UNIT_MAP = {
|
||||
m: 'minutes',
|
||||
min: 'minutes',
|
||||
mins: 'minutes',
|
||||
minute: 'minutes',
|
||||
minutes: 'minutes',
|
||||
h: 'hours',
|
||||
hr: 'hours',
|
||||
hrs: 'hours',
|
||||
hour: 'hours',
|
||||
hours: 'hours',
|
||||
d: 'days',
|
||||
day: 'days',
|
||||
days: 'days',
|
||||
w: 'weeks',
|
||||
wk: 'weeks',
|
||||
wks: 'weeks',
|
||||
week: 'weeks',
|
||||
weeks: 'weeks',
|
||||
mo: 'months',
|
||||
month: 'months',
|
||||
months: 'months',
|
||||
y: 'years',
|
||||
yr: 'years',
|
||||
yrs: 'years',
|
||||
year: 'years',
|
||||
years: 'years',
|
||||
};
|
||||
|
||||
/** English number words → their numeric value. */
|
||||
export const WORD_NUMBER_MAP = {
|
||||
a: 1,
|
||||
an: 1,
|
||||
one: 1,
|
||||
two: 2,
|
||||
three: 3,
|
||||
four: 4,
|
||||
five: 5,
|
||||
six: 6,
|
||||
seven: 7,
|
||||
eight: 8,
|
||||
nine: 9,
|
||||
ten: 10,
|
||||
eleven: 11,
|
||||
twelve: 12,
|
||||
thirteen: 13,
|
||||
fourteen: 14,
|
||||
fifteen: 15,
|
||||
sixteen: 16,
|
||||
seventeen: 17,
|
||||
eighteen: 18,
|
||||
nineteen: 19,
|
||||
twenty: 20,
|
||||
thirty: 30,
|
||||
forty: 40,
|
||||
fifty: 50,
|
||||
sixty: 60,
|
||||
ninety: 90,
|
||||
half: 0.5,
|
||||
couple: 2,
|
||||
few: 3,
|
||||
};
|
||||
|
||||
/** Day index → the date-fns function that finds the next occurrence. */
|
||||
export const NEXT_WEEKDAY_FN = {
|
||||
0: nextSunday,
|
||||
1: nextMonday,
|
||||
2: nextTuesday,
|
||||
3: nextWednesday,
|
||||
4: nextThursday,
|
||||
5: nextFriday,
|
||||
6: nextSaturday,
|
||||
};
|
||||
|
||||
/** Time-of-day label → default hour and minute. */
|
||||
export const TIME_OF_DAY_MAP = {
|
||||
morning: { hours: 9, minutes: 0 },
|
||||
noon: { hours: 12, minutes: 0 },
|
||||
afternoon: { hours: 14, minutes: 0 },
|
||||
evening: { hours: 18, minutes: 0 },
|
||||
night: { hours: 20, minutes: 0 },
|
||||
tonight: { hours: 20, minutes: 0 },
|
||||
midnight: { hours: 0, minutes: 0 },
|
||||
eod: { hours: 17, minutes: 0 },
|
||||
'end of day': { hours: 17, minutes: 0 },
|
||||
'end of the day': { hours: 17, minutes: 0 },
|
||||
};
|
||||
|
||||
/** Allowed hour range per label — used to pick am or pm when not specified. */
|
||||
export const TOD_HOUR_RANGE = {
|
||||
morning: [4, 12],
|
||||
noon: [11, 13],
|
||||
afternoon: [12, 18],
|
||||
evening: [16, 22],
|
||||
night: [18, 24],
|
||||
tonight: [18, 24],
|
||||
midnight: [23, 25],
|
||||
};
|
||||
|
||||
/** What "half hour", "half day", etc. actually mean in date-fns terms. */
|
||||
export const HALF_UNIT_DURATIONS = {
|
||||
hour: { minutes: 30 },
|
||||
day: { hours: 12 },
|
||||
week: { days: 3, hours: 12 },
|
||||
month: { days: 15 },
|
||||
year: { months: 6 },
|
||||
};
|
||||
|
||||
const FRACTIONAL_CONVERT = {
|
||||
hours: { unit: 'minutes', factor: 60 },
|
||||
days: { unit: 'hours', factor: 24 },
|
||||
weeks: { unit: 'days', factor: 7 },
|
||||
months: { unit: 'days', factor: 30 },
|
||||
years: { unit: 'months', factor: 12 },
|
||||
};
|
||||
|
||||
// ─── Unicode / Normalization ────────────────────────────────────────────────
|
||||
// Turn non-ASCII digits and punctuation into plain ASCII so the
|
||||
// parser only has to deal with standard characters.
|
||||
|
||||
const UNICODE_DIGIT_RANGES = [
|
||||
[0x30, 0x39],
|
||||
[0x660, 0x669], // Arabic-Indic
|
||||
[0x6f0, 0x6f9], // Eastern Arabic-Indic
|
||||
[0x966, 0x96f], // Devanagari
|
||||
[0x9e6, 0x9ef], // Bengali
|
||||
[0xa66, 0xa6f], // Gurmukhi
|
||||
[0xae6, 0xaef], // Gujarati
|
||||
[0xb66, 0xb6f], // Oriya
|
||||
[0xbe6, 0xbef], // Tamil
|
||||
[0xc66, 0xc6f], // Telugu
|
||||
[0xce6, 0xcef], // Kannada
|
||||
[0xd66, 0xd6f], // Malayalam
|
||||
];
|
||||
|
||||
const toAsciiDigit = char => {
|
||||
const code = char.codePointAt(0);
|
||||
const range = UNICODE_DIGIT_RANGES.find(
|
||||
([start, end]) => code >= start && code <= end
|
||||
);
|
||||
if (!range) return char;
|
||||
return String(code - range[0]);
|
||||
};
|
||||
|
||||
/** Turn non-ASCII digits (Arabic, Devanagari, etc.) into 0-9. */
|
||||
export const normalizeDigits = text => text.replace(/\p{Nd}/gu, toAsciiDigit);
|
||||
|
||||
const ARABIC_PUNCT_MAP = {
|
||||
'\u061f': '?',
|
||||
'\u060c': ',',
|
||||
'\u061b': ';',
|
||||
'\u066b': '.',
|
||||
};
|
||||
|
||||
const NOISE_RE =
|
||||
/^(?:(?:can|could|will|would)\s+you\s+)?(?:(?:please|pls|plz|kindly)\s+)?(?:(?:snooze|remind(?:\s+me)?|set(?:\s+(?:a|the))?(?:\s+(?:reminder|deadline|snooze|timer))?|add(?:\s+(?:a|the))?(?:\s+(?:reminder|deadline|snooze))?|schedule|postpone|defer|delay|push)(?:\s+(?:it|this))?\s+)?(?:(?:on|to|for|at|until|till|by|from)\s+)?/;
|
||||
|
||||
const APPROX_RE = /^(?:approx(?:imately)?|around|about|roughly|~)\s+/;
|
||||
|
||||
/** Clean up raw input: lowercase, remove punctuation, collapse spaces. */
|
||||
export const sanitize = text =>
|
||||
normalizeDigits(
|
||||
text
|
||||
.normalize('NFKC')
|
||||
.toLowerCase()
|
||||
.replace(/[\u200f\u200e\u066c\u0640]/g, '')
|
||||
.replace(/[\u064b-\u065f]/g, '')
|
||||
.replace(/\u00a0/g, ' ')
|
||||
.replace(/[\u061f\u060c\u061b\u066b]/g, c => ARABIC_PUNCT_MAP[c])
|
||||
)
|
||||
.replace(/[,!?;]+/g, ' ')
|
||||
.replace(/\.+$/g, '')
|
||||
.replace(/\s+/g, ' ')
|
||||
.trim();
|
||||
|
||||
/** Strip filler words like "please snooze for" and fix typos like "tommorow". */
|
||||
export const stripNoise = text =>
|
||||
text
|
||||
.replace(NOISE_RE, '')
|
||||
.replace(APPROX_RE, '')
|
||||
.replace(/\bnxt\b/g, 'next')
|
||||
.replace(/\bcouple\s+of\b/g, 'couple')
|
||||
.replace(/\b(\d+)h(\d+)m?\b/g, '$1 hours $2 minutes')
|
||||
.replace(/\btomm?orow\b/g, 'tomorrow')
|
||||
.trim();
|
||||
|
||||
// ─── Utility Functions ──────────────────────────────────────────────────────
|
||||
|
||||
/** Turn a string into a number. Works with digits ("5") and words ("five"). */
|
||||
export const parseNumber = str => {
|
||||
if (!str) return null;
|
||||
const lower = normalizeDigits(str.toLowerCase().trim());
|
||||
if (WORD_NUMBER_MAP[lower] !== undefined) return WORD_NUMBER_MAP[lower];
|
||||
const num = Number(lower);
|
||||
return Number.isNaN(num) ? null : num;
|
||||
};
|
||||
|
||||
/** Set the time on a date, clearing seconds and milliseconds. */
|
||||
export const applyTimeToDate = (date, hours, minutes = 0) =>
|
||||
set(date, { hours, minutes, seconds: 0, milliseconds: 0 });
|
||||
|
||||
/** Parse "3pm", "14:30", or "2:00am" into { hours, minutes }. Returns null if invalid. */
|
||||
export const parseTimeString = timeStr => {
|
||||
if (!timeStr) return null;
|
||||
const match = timeStr
|
||||
.toLowerCase()
|
||||
.replace(/\s+/g, '')
|
||||
.match(/^(\d{1,2})(?::(\d{2}))?\s*(am|pm|a\.m\.?|p\.m\.?)?$/);
|
||||
if (!match) return null;
|
||||
|
||||
const raw = parseInt(match[1], 10);
|
||||
const minutes = match[2] ? parseInt(match[2], 10) : 0;
|
||||
const meridiem = match[3]?.replace(/\./g, '');
|
||||
if (meridiem && (raw < 1 || raw > 12)) return null;
|
||||
|
||||
const toHours = (h, m) => {
|
||||
if (m === 'pm' && h < 12) return h + 12;
|
||||
if (m === 'am' && h === 12) return 0;
|
||||
return h;
|
||||
};
|
||||
const hours = toHours(raw, meridiem);
|
||||
if (hours > 23 || minutes > 59) return null;
|
||||
return { hours, minutes };
|
||||
};
|
||||
|
||||
/** Apply a time string to a date. Falls back to 9 AM if no time is given. */
|
||||
export const applyTimeOrDefault = (date, timeStr, defaultHours = 9) => {
|
||||
if (timeStr) {
|
||||
const time = parseTimeString(timeStr);
|
||||
if (!time) return null;
|
||||
return applyTimeToDate(date, time.hours, time.minutes);
|
||||
}
|
||||
return applyTimeToDate(date, defaultHours, 0);
|
||||
};
|
||||
|
||||
/** Build a Date only if the day actually exists (e.g. rejects Feb 30). */
|
||||
export const strictDate = (year, month, day) => {
|
||||
const date = new Date(year, month, day);
|
||||
if (
|
||||
!isValid(date) ||
|
||||
date.getFullYear() !== year ||
|
||||
date.getMonth() !== month ||
|
||||
date.getDate() !== day
|
||||
)
|
||||
return null;
|
||||
return date;
|
||||
};
|
||||
|
||||
/** Try up to 8 years ahead to find a valid future date (handles Feb 29 leap years). */
|
||||
export const futureOrNextYear = (year, month, day, timeStr, now) => {
|
||||
for (let i = 0; i < 9; i += 1) {
|
||||
const base = strictDate(year + i, month, day);
|
||||
if (base) {
|
||||
const date = applyTimeOrDefault(base, timeStr);
|
||||
if (!date) return null;
|
||||
if (isAfter(date, now)) return date;
|
||||
}
|
||||
}
|
||||
return null;
|
||||
};
|
||||
|
||||
/** If the date is already past, push it to the next day. */
|
||||
export const ensureFutureOrNextDay = (date, now) =>
|
||||
isAfter(date, now) ? date : add(date, { days: 1 });
|
||||
|
||||
/** Figure out am/pm from context: "morning 6" → 6am, "evening 6" → 6pm. */
|
||||
export const inferHoursFromTOD = (todLabel, rawHour, rawMinutes) => {
|
||||
const h = parseInt(rawHour, 10);
|
||||
const m = rawMinutes ? parseInt(rawMinutes, 10) : 0;
|
||||
if (Number.isNaN(h) || h < 1 || h > 12 || m > 59) return null;
|
||||
const range = TOD_HOUR_RANGE[todLabel];
|
||||
if (!range) return { hours: h, minutes: m };
|
||||
// Try both am and pm interpretations, pick the one in range
|
||||
const am = h === 12 ? 0 : h;
|
||||
const pm = h === 12 ? 12 : h + 12;
|
||||
const inRange = v => v >= range[0] && v < range[1];
|
||||
if (inRange(am)) return { hours: am, minutes: m };
|
||||
if (inRange(pm)) return { hours: pm, minutes: m };
|
||||
const mid = (range[0] + range[1]) / 2;
|
||||
return {
|
||||
hours: Math.abs(am - mid) <= Math.abs(pm - mid) ? am : pm,
|
||||
minutes: m,
|
||||
};
|
||||
};
|
||||
|
||||
/** Add a duration that might be fractional, e.g. 1.5 hours becomes 90 minutes. */
|
||||
export const addFractionalSafe = (date, unit, amount) => {
|
||||
if (Number.isInteger(amount)) return add(date, { [unit]: amount });
|
||||
if (amount % 1 !== 0.5) return null;
|
||||
const conv = FRACTIONAL_CONVERT[unit];
|
||||
if (conv) return add(date, { [conv.unit]: Math.round(amount * conv.factor) });
|
||||
return add(date, { [unit]: Math.round(amount) });
|
||||
};
|
||||
@@ -955,6 +955,80 @@ describe('bare number + time-of-day context inference', () => {
|
||||
});
|
||||
});
|
||||
|
||||
// Pin exact output for ~35 common phrases so any matcher reorder or refactor
|
||||
// that changes behavior will fail loudly. Reference: 2023-06-16T10:00:00 (Fri).
|
||||
|
||||
describe('golden tests: pinned phrase → exact date/time', () => {
|
||||
// [input, expectedYear, expectedMonth(0-based), expectedDay, expectedHour, expectedMinute]
|
||||
const golden = [
|
||||
// ── Durations ──
|
||||
['in 30 minutes', 2023, 5, 16, 10, 30],
|
||||
['in 2 hours', 2023, 5, 16, 12, 0],
|
||||
['in 3 days', 2023, 5, 19, 10, 0],
|
||||
['a week', 2023, 5, 23, 10, 0],
|
||||
['two months', 2023, 7, 16, 10, 0],
|
||||
['half hour', 2023, 5, 16, 10, 30],
|
||||
['half day', 2023, 5, 16, 22, 0],
|
||||
['1.5 hours', 2023, 5, 16, 11, 30],
|
||||
['1h30m', 2023, 5, 16, 11, 30],
|
||||
['couple hours', 2023, 5, 16, 12, 0],
|
||||
['few hours', 2023, 5, 16, 13, 0],
|
||||
|
||||
// ── Relative days ──
|
||||
['tomorrow', 2023, 5, 17, 9, 0],
|
||||
['tomorrow at 3pm', 2023, 5, 17, 15, 0],
|
||||
['tomorrow at 14:30', 2023, 5, 17, 14, 30],
|
||||
['tonight', 2023, 5, 16, 20, 0],
|
||||
['today at 3pm', 2023, 5, 16, 15, 0],
|
||||
['tomorrow morning', 2023, 5, 17, 9, 0],
|
||||
['tomorrow evening', 2023, 5, 17, 18, 0],
|
||||
['day after tomorrow', 2023, 5, 18, 9, 0],
|
||||
|
||||
// ── Time-of-day ──
|
||||
['morning', 2023, 5, 17, 9, 0],
|
||||
['this afternoon', 2023, 5, 16, 14, 0],
|
||||
['eod', 2023, 5, 16, 17, 0],
|
||||
['later today', 2023, 5, 16, 13, 0],
|
||||
|
||||
// ── Standalone time ──
|
||||
['at 3pm', 2023, 5, 16, 15, 0],
|
||||
|
||||
// ── Next patterns ──
|
||||
['next hour', 2023, 5, 16, 11, 0],
|
||||
['next week', 2023, 5, 19, 9, 0],
|
||||
['next month', 2023, 6, 16, 9, 0],
|
||||
|
||||
// ── Weekdays ──
|
||||
['friday', 2023, 5, 23, 9, 0],
|
||||
['monday 3pm', 2023, 5, 19, 15, 0],
|
||||
|
||||
// ── Named dates ──
|
||||
['jan 15', 2024, 0, 15, 9, 0],
|
||||
['march 5 at 2pm', 2024, 2, 5, 14, 0],
|
||||
['dec 25 2025', 2025, 11, 25, 9, 0],
|
||||
|
||||
// ── Formal dates ──
|
||||
['2025-01-15', 2025, 0, 15, 9, 0],
|
||||
['01/15/2025', 2025, 0, 15, 9, 0],
|
||||
|
||||
// ── Special ──
|
||||
['this weekend', 2023, 5, 17, 9, 0],
|
||||
['end of month', 2023, 5, 30, 17, 0],
|
||||
];
|
||||
|
||||
golden.forEach(([input, yr, mo, day, hr, min]) => {
|
||||
it(`"${input}" → ${yr}-${String(mo + 1).padStart(2, '0')}-${String(day).padStart(2, '0')} ${String(hr).padStart(2, '0')}:${String(min).padStart(2, '0')}`, () => {
|
||||
const result = parseDateFromText(input, now);
|
||||
expect(result).not.toBeNull();
|
||||
expect(result.date.getFullYear()).toBe(yr);
|
||||
expect(result.date.getMonth()).toBe(mo);
|
||||
expect(result.date.getDate()).toBe(day);
|
||||
expect(result.date.getHours()).toBe(hr);
|
||||
expect(result.date.getMinutes()).toBe(min);
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe('localized suggestions with Malayalam translations', () => {
|
||||
const mlTranslations = {
|
||||
UNITS: {
|
||||
|
||||
Reference in New Issue
Block a user