magic-string-ast

magic-string with AST shortcut.

Install

1# npm
2npm i magic-string-ast
3
4# jsr
5npx jsr add -D @sxzz/magic-string-ast

Usage

1import { MagicStringAST } from 'magic-string-ast'
2
3const offset = 0
4const node = {
5  // AST node with `start` and `end` properties
6  start: 6,
7  end: 7,
8  // ...
9}
10
11const s = new MagicStringAST('const a = 1')
12s.sliceNode(node, { offset }) // 'a'
13s.removeNode(node)
14s.moveNode(node, 0)
15s.overwriteNode(node, 'foo')
16
17// support source-map, inspired by muggle-string.
18s.replaceRange(5, 5, '(', expression, ')') // appendLeft
19s.replaceRange(5, 8, '(', expression, ')') // overwrite
20s.replaceRange(5, 8) // remove

For more APIs, see docs and magic-string.

Sponsors

License

MIT License © 2023-PRESENT 三咲智子