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pikchr-typescript

v0.1.1

Published

pikchr-typescript is a simple port of [Pikchr](https://pikchr.org/) for Typescript.

Downloads

2

Readme

pikchr-typescript

pikchr-typescript is a simple port of Pikchr for Typescript.

Pikchr is a PIC-like markup language for diagrams in technical documentation written by Dwayne Richard Hipp.

The project was built with emscripten and tsdx.

Installation

npm install pikchr-typescript --save
yarn add pikchr-typescript            # Alternative with yarn

Usage

import { pikchr } from 'pikchr-typescript';

async function logSvg() {
  const result = await pikchr('box "Hello world!"');
  if (result.svg) {
    console.log(result.svg);
  } else if (result.errorAsHtml) {
    console.error(result.errorAsHtml);
  }
}

This should print:

<svg xmlns="http://www.w3.org/2000/svg" class="pikchr" viewBox="0 0 112.32 76.32">
<path d="M2,74L110,74L110,2L2,2Z" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);"></path>
<text x="56" y="38" text-anchor="middle" fill="rgb(0,0,0)" dominant-baseline="central">Hello&nbsp;world!</text>
</svg>

Links

Build

  1. Copy the file pikchr.c from the Pikchr Fossil repository.
  2. Install emscripten
  3. Run emcc -s EXPORTED_FUNCTIONS='["_pikchr"]' -s EXPORTED_RUNTIME_METHODS='["ccall", "cwrap"]' -s MODULARIZE=1 pikchr.c to generate a new a.out.js and a.out.wasm.

You can use tsdx commands like yarn start, yarn test, yarn build to build the rest of the project.