Yuku is a high-performance JavaScript and TypeScript compiler toolchain written in Zig. Spec-compliant, zero dependencies, fast by design.

Try it in the playground →

Visit yuku.fyi for the full documentation, guides, and API reference.

npm install yuku-parser

import { parse } from "yuku-parser";

const { program, comments, diagnostics } = parse("const x = 1 + 2;");

Outputs an ESTree / TS-ESTree-compatible AST matching Oxc. Runs 4-16x faster than alternatives on npm.

zig fetch --save git+https://github.com/yuku-toolchain/yuku.git

var tree = try parser.parse(allocator, "const x = 5;", .{});
defer tree.deinit();

Read the parser documentation →

Yuku prioritizes correctness while delivering top-tier speed and efficiency.

• Native benchmark (Zig/Rust) - competitive with Oxc on raw parsing speed
• npm benchmark - 4-16x faster than alternatives

See CONTRIBUTING.md for setup, testing, and playground instructions.

Yuku is free and open-source software licensed under the MIT License.