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⚡️ Fast MagicString port driven by Rust and N-API

License: MIT License

JavaScript 7.24% Rust 56.51% TypeScript 36.25%

magic-string-rs's Introduction

magic-string-rs

MagicString port 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

Note: Web-Assembly is currently not supported, but it's on the plan.

Performance

Hardware info

Model Name:	MacBook Pro
Model Identifier:	MacBookPro17,1
Chip:	Apple M1
Total Number of Cores:	8 (4 performance and 4 efficiency)
Memory:	16 GB

Benchmark

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

  MagicString:
    238 584 ops/s, ±0.34%   | slowest, 50.7% slower

  MagicStringRust:
    483 950 ops/s, ±2.13%   | fastest

Finished 2 cases!
  Fastest: MagicStringRust
  Slowest: MagicString

Running "prepend|append" suite...
Progress: 100%

  MagicString:
    290 244 ops/s, ±1.35%   | slowest, 48.35% slower

  MagicStringRust:
    561 981 ops/s, ±6.71%   | fastest

Finished 2 cases!
  Fastest: MagicStringRust
  Slowest: MagicString

Running "add banner#toString" suite...
Progress: 100%

  MagicString:
    301 467 ops/s, ±0.29%   | slowest, 37.66% slower

  MagicStringRust:
    483 586 ops/s, ±5.50%   | fastest

Finished 2 cases!
  Fastest: MagicStringRust
  Slowest: MagicString

Running "add banner#generateDecodedMap" suite...
Progress: 100%

  MagicString:
    233 702 ops/s, ±0.76%   | fastest

  MagicStringRust:
    229 899 ops/s, ±2.68%   | slowest, 1.63% slower

Finished 2 cases!
  Fastest: MagicString
  Slowest: MagicStringRust

Running "add banner#generateMapHires" suite...
Progress: 100%

  MagicString:
    177 783 ops/s, ±1.84%   | fastest

  MagicStringRust:
    90 780 ops/s, ±1.00%    | slowest, 48.94% slower

Finished 2 cases!
  Fastest: MagicString
  Slowest: MagicStringRust

Running "add banner#generateMap" suite...
Progress: 100%

  MagicString:
    227 594 ops/s, ±0.68%   | slowest, 0.42% slow
er

  MagicStringRust:
    228 545 ops/s, ±0.82%   | fastest

Finished 2 cases!
  Fastest: MagicStringRust
  Slowest: MagicString

Running "add banner#generateMap.toString" suite...
Progress: 100%

  MagicString:
    201 272 ops/s, ±0.47%   | slowest, 21.86% slower

  MagicStringRust:
    257 577 ops/s, ±2.38%   | fastest

Finished 2 cases!
  Fastest: MagicStringRust
  Slowest: MagicString

Running "add banner#generateMapHires.toString" suite...
Progress: 100%

  MagicString:
    157 685 ops/s, ±0.18%   | fastest

  MagicStringRust:
    95 510 ops/s, ±1.00%    | slowest, 39.43% slower

Finished 2 cases!
  Fastest: MagicString
  Slowest: MagicStringRust

Running "add banner#generateMap.toUrl" suite...
Progress: 100%

  MagicString:
    182 161 ops/s, ±0.65%   | slowest, 25.04% slower

  MagicStringRust:
    243 019 ops/s, ±0.98%   | fastest

Finished 2 cases!
  Fastest: MagicStringRust
  Slowest: MagicString