tex2typst/src/index.ts

JavaScript library for converting TeX code to Typst

import { parseTex } from "./tex-parser";
import type { Tex2TypstOptions } from "./types";
import { TypstWriter, type TypstWriterOptions } from "./typst-writer";
import { convert_tex_node_to_typst, convert_typst_node_to_tex } from "./convert";
import { symbolMap } from "./map";
import { parseTypst } from "./typst-parser";
import { TexWriter } from "./tex-writer";
import { shorthandMap } from "./typst-shorthands";


export function tex2typst(tex: string, options?: Tex2TypstOptions): string {
    const opt: Tex2TypstOptions = {
        nonStrict: true,
        preferTypstIntrinsic: true,
        preferShorthands: true,
        keepSpaces: false,
        fracToSlash: true,
        inftyToOo: false,
        nonAsciiWrapper: "",
        customTexMacros: {}
    };

    if(options !== undefined) {
        for (const key in opt) {
            if (options[key] !== undefined) {
                opt[key] = options[key];
            }
        }
    }

    const texTree = parseTex(tex, opt.customTexMacros!);
    const typstTree = convert_tex_node_to_typst(texTree, opt);
    const writer = new TypstWriter(opt as TypstWriterOptions);
    writer.serialize(typstTree);
    return writer.finalize();
}

export function typst2tex(typst: string): string {
    const typstTree = parseTypst(typst);
    const texTree = convert_typst_node_to_tex(typstTree);
    const writer = new TexWriter();
    writer.append(texTree);
    return writer.finalize();
}

export { Tex2TypstOptions, symbolMap, shorthandMap };