reselector/resolve.js

'use strict';

const { transformFileSync } = require('babel-core');
const { getNode, getId, getName } = require('./utils');

const { TEST_ID } = require('./const');

const getParser = () => {
  const exports = {};

  return {
    exports,
    plugin: ({ types: t }) => ({
      visitor: {
        JSXElement(p, { file }) {
          const data = getNode(t, p);

          if (!data) return;

          const { filename } = file.opts;
          const name = getName(data);
          const id = getId(filename, name);

          exports[name] = { [TEST_ID]: id };
        }
      }
    })
  };
};

const cache = {};

const resolve = path => {
  if (!cache[path]) {
    const parser = getParser();

    transformFileSync(path, {
      plugins: ['syntax-jsx', [parser.plugin]]
    });

    cache[path] = parser.exports;
  }

  return cache[path];
};

const resolveBy = resolver => path => resolve(resolver(path));

module.exports = resolve;
module.exports.default = resolve;
module.exports.resolveBy = resolveBy;