⚡️ Fast MagicString port driven by Rust and N-API

Hana

Last update: Nov 21, 2022

Related tags

Overview

magic-string-rs

100% API compatible (port) MagicString by Rich-Harris implementation for Node and modern browsers, also, for rust, of course.

Installation

Rust

Add it as a dependency in a Cargo project.

# Cargo.toml

[dependency]
magic_string = "x.x.x"

Node

$ npm install @napi-rs/magic-string

Benchmark

Running "toString" suite...
Progress: 100%

  MagicString:
    226 614 ops/s, ±0.08%   | slowest, 42.65% slower

  MagicStringRust:
    395 166 ops/s, ±1.83%   | fastest

Finished 2 cases!
  Fastest: MagicStringRust
  Slowest: MagicString
  
Running "generateDecodedMap" suite...
Progress: 100%

  MagicString:
    173 590 ops/s, ±0.55%   | slowest, 18.84% slower

  MagicStringRust:
    213 893 ops/s, ±0.75%   | fastest

Finished 2 cases!
  Fastest: MagicStringRust
  Slowest: MagicString
  
Running "generateMap.toString" suite...
Progress: 100%

  MagicString:
    141 658 ops/s, ±0.53%   | slowest, 31.48% slower

  MagicStringRust:
    206 744 ops/s, ±0.64%   | fastest

Finished 2 cases!
  Fastest: MagicStringRust
  Slowest: MagicString

Supported APIs

Credits

The original project magic-string is really awesome, you should check it out and we made this project even furthur for better performance.

License

MIT

Comments

Error: ENOENT: no such file or directory, open '/usr/bin/ldd'

this is on nixos linux, where there is no /usr/bin/ldd

the only FHS binaries in nixos are /usr/bin/env and /bin/sh

both files are symlinks

stat /usr/bin/env /bin/sh  | grep File

  File: /usr/bin/env -> /nix/store/xq4g38m5ppg78z7bzfxyy2s8ii693k74-coreutils-9.1/bin/env
  File: /bin/sh -> /nix/store/rcr0k2c7yl708k264k2jb9f6zdzglbz7-bash-interactive-5.1-p16/bin/sh

opened by milahu 0

Missing `Bundle` type

I tried to convert rollup to use magic-string-rs, but got the error:

Module '"@napi-rs/magic-string"' has no exported member 'Bundle'

Here's the type as provided by magic-string:

export class Bundle {
  constructor(options?: BundleOptions);
  addSource(source: MagicString | { filename?: string, content: MagicString }): Bundle;
  append(str: string, options?: BundleOptions): Bundle;
  clone(): Bundle;
  generateMap(options?: SourceMapOptions): SourceMap;
  generateDecodedMap(options?: SourceMapOptions): DecodedSourceMap;
  getIndentString(): string;
  indent(indentStr?: string): Bundle;
  indentExclusionRanges: ExclusionRange | Array<ExclusionRange>;
  prepend(str: string): Bundle;
  toString(): string;
  trimLines(): Bundle;
  trim(charType?: string): Bundle;
  trimStart(charType?: string): Bundle;
  trimEnd(charType?: string): Bundle;
  isEmpty(): boolean;
  length(): number;
}

opened by benmccann 1

`generateMap` doc clarification

The readme says:

generateMap: Note that there is a huge overhead for rust for implementing the same API in Node, for more detail please refer to this

If I follow the "this" link, I'm just taken to a type definition file. I'm not sure how it explains what overhead might exist. Is that the correct link or perhaps I'm missing something?

opened by benmccann 1
support for `.update`

I recently added this to magic-string as a safer alternative to overwrite. It's now heavily used in Vite and a couple other libraries

https://github.com/Rich-Harris/magic-string#supdate-start-end-content-options-

opened by benmccann 0
support for `.hasChanged`

I'm not sure if it's needed in this library, but .hasChanged in magic-string allows for an early return (skipping returning code and sourcemap) if nothing has changed, which is a significant performance optimisation in the vite pipelin.

see https://github.com/Rich-Harris/magic-string/pull/202

opened by danielroe 0
support for `.replace` and `.replaceAll`
These are two lovely utilities from magic-string.

https://github.com/Rich-Harris/magic-string/pull/203

https://github.com/Rich-Harris/magic-string/pull/222
opened by danielroe 0

Releases(v0.3.4)

Owner

Hana

What I cannot create, I do not understand.

GitHub

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⚡️ Fast MagicString port driven by Rust and N-API

Related tags

Overview

magic-string-rs

Installation

Rust

Node

Benchmark

Supported APIs

Credits

License

Comments

Error: ENOENT: no such file or directory, open '/usr/bin/ldd'

Missing `Bundle` type

`generateMap` doc clarification

support for `.update`

support for `.hasChanged`

support for `.replace` and `.replaceAll`

Releases(v0.3.4)

v0.3.4(Dec 26, 2021)

[email protected](Dec 26, 2021)

What's changed

v0.3.3(Dec 21, 2021)

v0.3.2(Dec 15, 2021)

v0.3.1(Dec 13, 2021)

v0.2.0(Dec 13, 2021)

v0.1.3(Dec 10, 2021)

v0.1.2(Dec 9, 2021)

v0.1.1(Dec 9, 2021)

v0.1.0(Dec 9, 2021)

Owner

Hana

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Port of the fantastic Iconoir Icon Pack to Rust embedded devices, with a focus on speed, usability, and completeness.

Repo for Monaco, a DCA engine for Solana. Built on Solend and lending protocols (Jet, Solend, Port, etc...)

A cross-platform serial port library in Rust.

A Rust port of parinfer.

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