true-mythv9.4.0, 25 May 2026
A library for safe functional programming in JavaScript, with first-class support for TypeScript
$ npm install true-myth| Metric | ts-toolbelt | true-myth | Difference |
|---|---|---|---|
| Weekly downloads | 7,059,076 | 501,214 | ts-toolbelt 14.1x higher |
| 12-month download growth | +88% | +65% | ts-toolbelt +23 pts |
| Gzip size | - | - | - |
| Minified size | - | - | - |
| Dependencies | 0 | 0 | Same |
| Unpacked size | 242 kB | 857 kB | ts-toolbelt 3.5x smaller |
| Latest release | 9.6.0, 10 Mar 2021 | 9.4.0, 25 May 2026 | true-myth 5.2 years more recent |
| Releases, last 12 months | 0 | 4 | true-myth 4 more |
| First published | 24 May 2019 | 28 Sept 2017 | true-myth 20 months earlier |
| GitHub stars | 7,150 | 1,365 | ts-toolbelt 5.2x higher |
| Open issues | 66 | 7 | ts-toolbelt 59 more |
| Open pull requests | 18 | 9 | ts-toolbelt 9 more |
| Contributors | - | - | - |
| Commits, last 52 weeks | 0 | 343 | true-myth higher |
| TypeScript types | Bundled | Bundled | Same |
| Module format | CommonJS | ESM only | Differs |
| Runtimes | - | - | - |
| License | Apache-2.0 | 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.
ts-toolbelt7.1m latest weektrue-myth501.2k latest week
Week of 23 Sept 2025Week of 15 Sept 2026
ts-toolbelt
Major versions
- 0.0.024 May 2019
- 1.0.017 Jun 2019
- 2.0.025 Jun 2019
- 3.0.025 Jul 2019
- 4.0.119 Sept 2019
- 6.0.122 Dec 2019
- 8.0.223 Aug 2020
- 9.1.630 Jan 2021
Last 5 releases
- 9.6.010 Mar 2021
- 9.5.1310 Mar 2021
- 9.5.1210 Mar 2021
- 9.5.106 Mar 2021
- 9.5.96 Mar 2021
498 releases in total, 0 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
ts-toolbelt
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true-myth
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ts-toolbelt
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true-myth
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- Need no runtime dependenciesBoth
- Need both ESM and CommonJS entry pointsNeither (ts-toolbelt: CommonJS; true-myth: ESM only)
- Need to load it with require()ts-toolbelt
- Need TypeScript types in the package itselfBoth
- Node.js version requirementts-toolbelt: none declared; true-myth: 18.* || >= 20.* (engines field in package.json)
- Need the more recent releasetrue-myth (9.4.0 on 25 May 2026 vs 9.6.0 on 10 Mar 2021)
- Higher weekly npm downloadsts-toolbelt (7.1m vs 501.2k)
- Licensets-toolbelt: Apache-2.0; true-myth: MIT
Each line is generated from the data above.
- ts-toolbelt vs type-fest10 searches/mo
- ts-toolbelt vs ts-essentialsNo search data
- ts-toolbelt vs ts-pruneNo search data
- fp-ts vs true-mythNo search data
- just-diff vs true-mythNo search data
- neverthrow vs true-mythNo search data
- type-fest vs true-mythNo search data
ts-toolbelt: ts-toolbelt npm registry, ts-toolbelt npm downloads, ts-toolbelt GitHub, ts-toolbelt 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.