index.js

'use strict';

const { getParser } = require('codemod-cli').jscodeshift;
const { addImportStatement, writeImportStatements } = require('../utils');

module.exports = function transformer(file, api) {
  const j = getParser(api);
  const root = j(file.source);

  /**
   * Replace deprecated this.render() with render() from '@ember/test-helpers' package
   */
  function transform() {
    root
      .find(j.CallExpression, {
        callee: {
          type: 'MemberExpression',
          object: {
            type: 'ThisExpression',
          },
          property: {
            type: 'Identifier',
            name: 'render',
          },
        },
      })
      .replaceWith((path) => {
        let oldCallExpressionArguments = path.node.arguments;

        return j.callExpression(j.identifier('render'), oldCallExpressionArguments);
      });

    let newImports = ['render'];

    addImportStatement(newImports);
    writeImportStatements(j, root);
  }

  transform();

  return root.toSource({
    quote: 'single',
    trailingComma: true,
  });
};