remap_output

#!/usr/bin/env node

const DEFAULT_KEY = "out";

function setOutput(name, val) {
  console.log(`::set-output name=${name}::${val}`);
}

function parseAndOutput(data) {
  try {
    flattenAndOutput("", JSON.parse(data));
  } catch (e) {
    console.log(e);
    // Something went wrong, just return the input
    return setOutput(DEFAULT_KEY, data);
  }
}

function flattenAndOutput(keypath, data) {
  if (data == null) return;

  if (typeof data != "object") {
    // Not an object or array, just return it
    return setOutput(keypath || DEFAULT_KEY, data);
  }

  if (Array.isArray(data)) {
    const root = keypath || DEFAULT_KEY;
    flattenAndOutput(`${root}.len`, data.length);
    for (let i = 0; i < data.length; i++) {
      flattenAndOutput(`${root}[${i}]`, data[i]);
    }
    return;
  }

  for (const key in data) {
    const kp = keypath ? `${keypath}.${key}` : key;
    flattenAndOutput(kp, data[key]);
  }
}

parseAndOutput(process.argv[2]);