@warp-drive/build-config/dist/babel-plugin-transform-features.cjs

Provides Build Configuration for projects using WarpDrive or EmberData

'use strict';

const babelImportUtil = require('babel-import-util');
const fs = require('fs');

var _documentCurrentScript = typeof document !== 'undefined' ? document.currentScript : null;
const pkg = JSON.parse(fs.readFileSync(new URL("../package.json", (typeof document === 'undefined' ? require('u' + 'rl').pathToFileURL(__filename).href : (_documentCurrentScript && _documentCurrentScript.tagName.toUpperCase() === 'SCRIPT' && _documentCurrentScript.src || new URL('babel-plugin-transform-features.cjs', document.baseURI).href))), 'utf-8'));
const version = pkg.version;
version.includes('alpha');
function parentIsUnary(node) {
  if (node.parent.type === 'UnaryExpression' && node.parent.operator === '!') {
    return true;
  }
  return false;
}
function babelPluginTransformFeatures (babel) {
  const {
    types: t
  } = babel;
  return {
    name: 'ast-transform',
    // not required
    visitor: {
      ImportDeclaration(path, state) {
        const importPath = path.node.source.value;
        if (state.opts.sources.includes(importPath)) {
          const specifiers = path.get('specifiers');
          specifiers.forEach(specifier => {
            let name = specifier.node.imported.name;
            if (!(name in state.opts.flags)) {
              throw new Error(`Unexpected flag ${name} imported from ${importPath}`);
            }
            let localBindingName = specifier.node.local.name;
            let binding = specifier.scope.getBinding(localBindingName);
            binding.referencePaths.forEach(p => {
              let negateStatement = false;
              let node = p;
              if (parentIsUnary(p)) {
                negateStatement = true;
                node = p.parentPath;
              }
              let getConfig = t.memberExpression(t.memberExpression(t.memberExpression(t.callExpression(state.importer.import(p, '@embroider/macros', 'getGlobalConfig'), []), t.identifier('WarpDrive')), t.identifier('features')), t.identifier(name));
              node.replaceWith(
              // if (LOG_FOO)
              // =>
              // if (macroCondition(getGlobalConfig('WarpDrive').debug.LOG_FOO))
              t.callExpression(state.importer.import(p, '@embroider/macros', 'macroCondition'), [negateStatement ? t.unaryExpression('!', getConfig) : getConfig]));
            });
            specifier.scope.removeOwnBinding(localBindingName);
            specifier.remove();
          });
          if (path.get('specifiers').length === 0) {
            path.remove();
          }
        }
      },
      Program(path, state) {
        state.importer = new babelImportUtil.ImportUtil(t, path);
      }
    }
  };
}

module.exports = babelPluginTransformFeatures;