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#!/usr/bin/env node
// Compile a Vega-Lite spec to Vega
const {createWriteStream} = require('fs');const vegaLite = require('..');const compactStringify = require('json-stringify-pretty-compact');const read = require('./read');const args = require('./args');
const arg = args('vega');
// load spec, compile vg specread(arg._[0]).then(text => compile(JSON.parse(text)));
function compile(vlSpec) {  // @ts-ignore  const vgSpec = vegaLite.compile(vlSpec).spec;  const file = arg._[1] || null;  const out = file ? createWriteStream(file) : process.stdout;  if (arg.p) {    out.write(compactStringify(vgSpec) + '\n');  } else {    out.write(JSON.stringify(vgSpec) + '\n');  }}