| Metric | type-fest | true-myth | Difference |
|---|---|---|---|
| Weekly downloads | 285,090,306 | 501,214 | type-fest 568.8x higher |
| 12-month download growth | +47% | +65% | true-myth +18 pts |
| Gzip size | - | - | - |
| Minified size | - | - | - |
| Dependencies | 1 | 0 | type-fest 1 more |
| Unpacked size | 567 kB | 857 kB | type-fest 1.5x smaller |
| Latest release | 5.10.0, 17 Sept 2026 | 9.4.0, 25 May 2026 | type-fest 4 months more recent |
| Releases, last 12 months | 15 | 4 | type-fest 11 more |
| First published | 13 Mar 2019 | 28 Sept 2017 | true-myth 17 months earlier |
| GitHub stars | 17,419 | 1,365 | type-fest 12.8x higher |
| Open issues | 179 | 7 | type-fest 172 more |
| Open pull requests | 49 | 9 | type-fest 40 more |
| Contributors | 222 | - | - |
| Commits, last 52 weeks | 141 | 343 | true-myth 2.4x higher |
| TypeScript types | Bundled | Bundled | Same |
| Module format | ESM only | ESM only | Same |
| Runtimes | - | - | - |
| License | (MIT OR CC0-1.0) | MIT | Differs |
Green marks the smaller size or the more recent release. Bold marks the higher count, with no judgement implied. Sizes are for the whole package per Bundlephobia. Growth compares the average of the last 4 weeks with the first 4 weeks of the 52-week series.
type-fest283.9m latest weektrue-myth501.2k latest week
Week of 23 Sept 2025Week of 15 Sept 2026
type-fest
Major versions
- 0.1.013 Mar 2019
- 1.0.022 Mar 2021
- 2.0.06 Aug 2021
- 3.0.021 Sept 2022
- 4.0.016 Jul 2023
- 5.0.013 Sept 2025
Last 5 releases
- 5.10.017 Sept 2026
- 5.9.030 Aug 2026
- 5.8.04 Jul 2026
- 5.7.031 May 2026
- 5.6.017 Apr 2026
194 releases in total, 15 in the last 12 months
true-myth
Major versions
- 0.1.028 Sept 2017
- 1.0.01 Nov 2017
- 2.0.018 May 2018
- 3.0.017 May 2019
- 4.0.018 Dec 2019
- 5.0.028 Nov 2021
- 6.0.025 May 2022
- 7.0.015 Jul 2023
- 8.0.011 Aug 2024
- 9.0.016 Apr 2025
Last 5 releases
- 9.4.025 May 2026
- 9.3.125 Nov 2025
- 9.3.025 Nov 2025
- 9.2.027 Sept 2025
- 9.1.025 Aug 2025
85 releases in total, 4 in the last 12 months
type-fest
-
true-myth
-
type-fest
-
true-myth
-
- Need no runtime dependenciestrue-myth (type-fest has 1, true-myth has 0)
- Module formatBoth ESM only
- Need TypeScript types in the package itselfBoth
- Node.js version requirementtype-fest: >=20; true-myth: 18.* || >= 20.* (engines field in package.json)
- Need the more recent releasetype-fest (5.10.0 on 17 Sept 2026 vs 9.4.0 on 25 May 2026)
- Higher weekly npm downloadstype-fest (285.1m vs 501.2k)
- Licensetype-fest: (MIT OR CC0-1.0); true-myth: MIT
Each line is generated from the data above.
- ts-toolbelt vs type-fest10 searches/mo
- ts-essentials vs type-fest10 searches/mo
- type-fest vs utility-types0 searches/mo
- type-fest vs just-diff0 searches/mo
- fp-ts vs true-mythNo search data
- just-diff vs true-mythNo search data
- neverthrow vs true-mythNo search data
- ts-toolbelt vs true-mythNo search data
type-fest: type-fest npm registry, type-fest npm downloads, type-fest GitHub, type-fest jsDelivr. Data fetched 25 Sept 2026.
true-myth: true-myth npm registry, true-myth npm downloads, true-myth GitHub. Data fetched 25 Sept 2026.
Indexability: Indexed.