feat: Add natural language date parser for snooze functionality (#13587)
# Pull Request Template
## Description
This PR introduces a custom, lightweight natural-language date parser
(dependency-free except for date-fns) to power snooze actions via the
command bar (e.g., “Remind me tomorrow at 6am”). It also adds support
for multi-language searches.
<details>
<summary>Supported Formats</summary>
## Snooze Date Parser — Supported Input Formats
## 1. Durations
Specify an amount of time from now.
### Basic
- `5 minutes` · `2 hours` · `3 days` · `1 week` · `6 months` · `ten
year`
- `in 2 hours` · `in 30 minutes` · `in a week` · `in a month`
- `5 minutes from now` · `a week from now` · `two weeks from now`
### Half / fractional
- `half hour` · `half day` · `half week` · `half month`
- `in half a day` · `in half an hour` · `in half a week`
- `one and a half hours` · `in one and a half hours`
- `1.5 hours` · `2.5 days`
### Compound
- `1 hour and 30 minutes` · `2 hours and 15 minutes`
- `2 days at 3pm` · `1 week at 9am`
### Shorthand (no spaces)
- `2h` · `30m` · `1h30m` · `2h15m`
- `1h30minutes` · `2hr15min` · `1hour30min`
### Informal quantities
- `couple hours` · `a couple of days` · `in a couple hours`
- `a few minutes` · `in a few hours` · `in a few days`
- `fortnight` · `in a fortnight` _(= 2 weeks)_
### Trailing "later"
- `2 days later` · `a week later` · `month later`
### Prefix words (`after` / `within`)
- `after 2 hours` · `after 3 days` · `after ten year`
- `within a week` · `within 2 hours`
### Recognised word-numbers
`a` (1) · `an` (1) · `one` – `twenty` · `thirty` · `forty` · `fifty` ·
`sixty` · `ninety` · `half` (0.5) · `couple` (2) · `few` (3)
---
## 2. Relative Days
- `today` · `tonight` · `tomorrow`
- `tomorrow morning` · `tomorrow afternoon` · `tomorrow evening` ·
`tomorrow night`
- `tomorrow at 3pm` · `tomorrow 9` · `tonight at 8` · `tonight at 10pm`
- `tomorrow same time` · `same time tomorrow`
- `day after tomorrow` · `the day after tomorrow` · `day after tomorrow
at 2pm`
- `later today` · `later this afternoon` · `later this evening`
---
## 3. Weekdays
- `monday` · `friday` · `wed` · `thu`
- `friday at 3pm` · `monday 9am` · `wednesday 14:30`
- `monday morning` · `friday afternoon` · `wednesday evening`
- `monday morning 6` · `friday evening 7`
- `this friday` · `upcoming monday` · `coming friday`
- `same time friday` · `same time wednesday`
---
## 4. "Next" Patterns
- `next hour` · `next week` · `next month` · `next year`
- `next week at 2pm` · `next month at 9am`
- `next monday` · `next friday` · `next friday at 3pm`
- `next monday morning` · `next friday evening`
- `monday of next week` · `next week monday`
- `next january` · `next december`
- `next business day` · `next working day`
---
## 5. Time of Day
- `morning` · `afternoon` · `evening` · `night` · `noon` · `midnight`
- `this morning` · `this afternoon` · `this evening`
- `early morning` · `late evening` · `late night`
- `morning at 8am` · `evening 6pm` · `afternoon 2pm`
- `eod` · `end of day` · `end of the day`
---
## 6. Standalone Time
- **12-hour:** `3pm` · `9am` · `at 3pm` · `at 9:30am`
- **24-hour:** `14:30` · `at 14:30`
---
## 7. Named Dates (Month + Day)
- `jan 15` · `january 15` · `march 20` · `dec 25`
- `jan 1st` · `march 3rd` · `april 2nd` · `december 31st`
- `15 march` · `25 dec` _(reversed order)_
- `jan 15 2025` · `dec 25 2025` · `march 20 next year`
- `jan 15 at 2pm` · `march 5 at 2pm`
- `december 2025` · `january 2024` _(month + year only)_
---
## 8. Month + Ordinal Patterns
Target a specific week or day within a month.
### Week of month
- `april first week` · `july 2nd week` · `feb 3rd week`
- `first week of april` · `2nd week of july`
### Day of month
- `april first day` · `march second day` · `march 5th day`
- `third day of march` · `5th day of jan at 2pm`
### Supported ordinals
- **Digit:** `1st` `2nd` `3rd` `4th` `5th` … (up to 31 for days, 5 for
weeks)
- **Word:** `first` `second` `third` `fourth` `fifth` `sixth` `seventh`
`eighth` `ninth` `tenth`
---
## 9. Formal / Numeric Dates
- **ISO:** `2025-01-15`
- **Slash (M/D/Y):** `01/15/2025`
- **Dash (D-M-Y):** `15-01-2025`
- **Dot (D.M.Y):** `15.01.2025`
- Any of the above **+ time:** `2025-01-15 at 3pm`
---
## 10. Special Phrases
- `this weekend` · `weekend` · `next weekend`
- `end of week` · `end of month`
- `end of next week` · `end of next month`
- `beginning of next week` · `start of next week`
- `beginning of next month`
---
## 11. Noise / Filler Stripping
The parser silently removes conversational prefixes so all of these work
exactly the same as the bare expression:
```
snooze for 2 hours → 2 hours
remind me tomorrow → tomorrow
please snooze until friday → friday
can you set a reminder for next week → next week
schedule this for jan 15 → jan 15
postpone to next monday → next monday
defer for 2 days → 2 days
delay it by 1 hour → 1 hour
```
### Recognised filler verbs / prefixes
`snooze` · `remind` · `remind me` · `set a reminder` · `add a reminder`
·
`schedule` · `postpone` · `defer` · `delay` · `push`
### Recognised prepositions (stripped)
`on` · `to` · `for` · `at` · `until` · `till` · `by` · `from` · `after`
· `within`
### Typo corrections
`tommorow` / `tommorrow` → `tomorrow` · `nxt` → `next`
---
## 12. Multi-Language Support
The parser supports localised input via translations in `snooze.json`.
### Translatable token categories
- **Units:** minute, hour, day, week, month, year _(singular + plural)_
- **Relative days:** tomorrow, day after tomorrow, next week / month,
this / next weekend
- **Time of day:** morning, afternoon, evening, night, noon, midnight
- **Word numbers:** one through ten, twelve, fifteen, twenty, thirty
- **Ordinals:** first through fifth
- **Structural words:** at, in, of, after, week, day, from now, next
year
- **Meridiem:** am, pm
### Auto-detected from locale
Weekday names and month names are resolved automatically via
`Intl.DateTimeFormat` for the user's locale — no manual translation
needed.
</details>
## Type of change
- [x] New feature (non-breaking change which adds functionality)
## How Has This Been Tested?
**Screenshots**
<img width="974" height="530" alt="image"
src="https://github.com/user-attachments/assets/c690d328-a0df-41d2-b531-2b4e6ce6b5fd"
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src="https://github.com/user-attachments/assets/fa881acc-4fed-4ba3-9166-58bd953bcb26"
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src="https://github.com/user-attachments/assets/4d9a224b-641c-409c-a7ce-3dec2b5355e2"
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src="https://github.com/user-attachments/assets/465b9835-d82c-4bc7-a2ae-94976ada2d3b"
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src="https://github.com/user-attachments/assets/839fe8fc-8943-4b66-83ca-5c61c95f24d8"
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src="https://github.com/user-attachments/assets/7791ab2b-c763-49a9-90a0-e91b0d8f0a26"
/>
<img width="974" height="530" alt="image"
src="https://github.com/user-attachments/assets/4689390c-0e7f-48ae-acc7-d8e28695452f"
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src="https://github.com/user-attachments/assets/d0aa5217-d0e1-4f41-b663-72888d028a3a"
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src="https://github.com/user-attachments/assets/4fa9ff5b-a874-43d5-812f-6abe1a95a5ac"
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src="https://github.com/user-attachments/assets/2c8199a6-f872-46af-986f-bdf8597248f5"
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<img width="974" height="530" alt="image"
src="https://github.com/user-attachments/assets/5bd9effc-7518-4f96-b2f2-7c547f32f500"
/>
## Checklist:
- [x] My code follows the style guidelines of this project
- [x] I have performed a self-review of my code
- [x] I have commented on my code, particularly in hard-to-understand
areas
- [ ] I have made corresponding changes to the documentation
- [x] My changes generate no new warnings
- [x] I have added tests that prove my fix is effective or that my
feature works
- [x] New and existing unit tests pass locally with my changes
- [ ] Any dependent changes have been merged and published in downstream
modules
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