visitMapAccess()

in lib/generator.js [2686:2731]

• 44 lines of code
• 16 McCabe index (conditional complexity)

  visitMapAccess(ast, level, env, expected) {
    assert.equal(ast.type, 'map_access');
    let mapName = _name(ast.id);
    if (ast.id.tag === Tag.VID) {
      mapName = _vid(mapName);
    }
    if (ast.propertyPath && ast.propertyPath.length) {
      var current = ast.id.inferred;
      for (var i = 0; i < ast.propertyPath.length; i++) {
        var name = _name(ast.propertyPath[i]);
        if (current.type === 'model') {
          mapName += `.${_format(name)}`;
        } else {
          mapName += `["${name}"]`;
        }
        current = ast.propertyPathTypes[i];
      }
    }

    let accessKey = ast.accessKey;
    if (!DSL.util.isBasicType(ast.accessKey.type) && !ast.accessKey.inferred) {
      ast.accessKey.inferred = {
        type: 'basic',
        name: 'string'
      };
    }

    if ((!expected || !expected.pointer) && (DSL.util.isBasicType(_name(ast.inferred)) &&
      !_isFilterType(_name(ast.inferred))) && _name(ast.inferred) !== 'model') {
      this.emit(`${_setValueFunc(_name(ast.inferred))}${mapName}[`);
      this.visitExpr(accessKey, level, env);
      this.emit(`])`);
    } else {
      this.emit(`${mapName}[`);
      if (ast.propertyPathTypes && ast.propertyPathTypes.length) {
        if (ast.propertyPathTypes[ast.propertyPathTypes.length - 1].type === 'map') {
          accessKey = {
            inferred: ast.propertyPathTypes[ast.propertyPathTypes.length - 1].keyType,
            ...accessKey
          };
        }
      }
      this.visitExpr(accessKey, level, env);
      this.emit(`]`);
    }
  }