Single-line file:
console.log('Hello World')
Benchmark:
hyperfine --warmup 3 'bun test.js' 'node test.js'
Benchmark 1: bun test.js
Time (mean ± σ): 8.9 ms ± 0.6 ms [User: 5.2 ms, System: 3.6 ms]
Range (min … max): 7.5 ms … 11.8 ms 258 runs
Benchmark 2: node test.js
Time (mean ± σ): 24.9 ms ± 1.1 ms [User: 19.7 ms, System: 3.6 ms]
Range (min … max): 23.6 ms … 30.0 ms 111 runs
The difference is only about 20 ms.
ESLint'ing the project with 30000 files:
find . \( -type f -name "*.js" -o -name "*.jsx" -o -name "*.ts" -o -name "*.tsx" \) | wc -l
30623
hyperfine --warmup 3 --ignore-failure 'npx eslint --ext .js,.jsx,.ts,.tsx .' 'bunx eslint --ext .js,.jsx,.ts,.tsx .'
Benchmark 1: npx eslint --ext .js,.jsx,.ts,.tsx .
Time (mean ± σ): 6.896 s ± 0.047 s [User: 15.452 s, System: 0.621 s]
Range (min … max): 6.831 s … 6.980 s 10 runs
Benchmark 2: bunx eslint --ext .js,.jsx,.ts,.tsx .
Time (mean ± σ): 6.776 s ± 0.046 s [User: 15.423 s, System: 0.578 s]
Range (min … max): 6.715 s … 6.849 s 10 runs
The difference is about 100 ms.
3 нояб. 2023 г.
25 окт. 2023 г.
How to use ESLint + Prettier + VS Code together without conflicts
- Install eslint, prettier, eslint-plugin-prettier, eslint-config-prettier
- Update eslintrc file to look like this:
extends: [
'eslint:recommended',
'plugin:react/recommended', // if react is used
'plugin:react-hooks/recommended', // if react is used
'plugin:@typescript-eslint/recommended', // if ts
'plugin:prettier/recommended'
],
plugins: ['prettier', 'react', 'react-hooks', '@typescript-eslint'],
With this setup ESLint starts to use Prettier and its rules for code style checks and autofixes.
Moreover, now you don't need two separate commands to run ESLint and Prettier, they both will run with a single command eslint --fix.
Additional steps for VS Code:
- Install the "Prettier - Code formatter" extension
- Go to Settings and set the "Editor: Default formatter" to "Prettier - Code formatter"
- Enable "Editor: Format On Save"
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