@thinql/cli/dist/index.js

Parse ThinQL queries to stdout as ThinQL or JSON AST

#!/usr/bin/env node
"use strict";

require("source-map-support/register");

var _readline = require("readline");

var _util = require("util");

var _parse = _interopRequireDefault(require("@thinql/parse"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

const run = async () => {
  const [,, ...args] = process.argv;
  const formatArg = args.find(arg => arg.startsWith('--'));
  const format = formatArg ? formatArg.substr(2) : null;
  let input = args.find(arg => !arg.startsWith('--'));

  if (!input) {
    input = await (async () => {
      const rl = (0, _readline.createInterface)({
        input: process.stdin,
        output: process.stdout
      });

      const ask = () => new Promise(resolve => {
        rl.question('> ', answer => {
          rl.close();
          resolve(answer);
        });
      });

      do {
        const answer = await ask();

        if (answer.trim() !== '') {
          return answer;
        }
      } while (true);
    })();
  }

  const tree = (0, _parse.default)(input);
  console.log(input);
  console.log('---');

  switch (format) {
    case 'json':
      console.log(JSON.stringify(tree.toJSON(), null, 2));
      break;

    case 'query':
      console.log(tree.toString());
      break;

    case 'inspect':
    default:
      console.log((0, _util.inspect)(tree, {
        compact: false,
        colors: true,
        depth: null
      }));
      break;
  }
};

run().catch(err => {
  console.error(err);
  process.exit(1);
});
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