magic-string-ast

[![npm version][npm-version-src]][npm-version-href]
[![npm downloads][npm-downloads-src]][npm-downloads-href]
[![JSR][jsr-badge-src]][jsr-badge-href]
[![Unit Test][unit-test-src]][unit-test-href]

magic-string with AST shortcut.

Install

``bash


npm

npm i magic-string-ast

jsr

npx jsr add -D @sxzz/magic-string-ast
`

Usage

`ts
import { MagicStringAST } from 'magic-string-ast'

const offset = 0
const node = {
// AST node with start and end properties
start: 6,
end: 7,
// ...
}

const s = new MagicStringAST('const a = 1')
s.sliceNode(node, { offset }) // 'a'
s.removeNode(node)
s.moveNode(node, 0)
s.overwriteNode(node, 'foo')

// support source-map, inspired by muggle-string.
s.replaceRange(5, 5, '(', expression, ')') // appendLeft
s.replaceRange(5, 8, '(', expression, ')') // overwrite
s.replaceRange(5, 8) // remove
``

For more APIs, see docs and magic-string.

Sponsors

License

MIT License © 2023-PRESENT Kevin Deng

[npm-version-src]: https://img.shields.io/npm/v/magic-string-ast.svg
[npm-version-href]: https://npmjs.com/package/magic-string-ast
[npm-downloads-src]: https://img.shields.io/npm/dm/magic-string-ast
[npm-downloads-href]: https://www.npmcharts.com/compare/magic-string-ast?interval=30
[jsr-badge-src]: https://jsr.io/badges/@sxzz/magic-string-ast
[jsr-badge-href]: https://jsr.io/@sxzz/magic-string-ast
[unit-test-src]: https://github.com/sxzz/magic-string-ast/actions/workflows/unit-test.yml/badge.svg
[unit-test-href]: https://github.com/sxzz/magic-string-ast/actions/workflows/unit-test.yml