vega-typings/vega-to-dataflow.js

Typings for Vega.

#!/usr/bin/env node
// Parses a vega spec file into a dataflow runtime
// ./vega-to-dataflow path-to-vega-spec.json path-to-output.js

import { parse } from 'vega';
import { appendFileSync } from 'fs';

const specPath = process.argv[2];
const outputPath = process.argv[3];
const spec = await import(specPath, { with: { type: 'json' } });
const dataflow = parse(spec);
const dataflowStr = JSON.stringify(dataflow);

appendFileSync(outputPath, dataflowStr + ';\n');