firescript/src/fs-parser/nodes/SpreadElement.js

Firescript transpiler

const Node = require('./Node')

const ALLOWED_CHILDS = [
  'Identifier',
  'ArrayPattern',
  'ObjectPattern'
]

/**
 * SpreadElement
 *
 * @class SpreadElement
 * @extends Node
 *
 * interface SpreadElement {
 *   type: 'SpreadElement';
 *   argument: Expression;
 * }
 */
class SpreadElement extends Node {
  constructor (parser) {
    super(parser)

    if (!parser.match('punctuator "...""')) {
      this.syntaxError('Unexpected token, ... punctuator expected')
    }

    parser.skipNext()

    this.argument = parser.nextNode(this)
    this.isAllowedNode(this.argument, ALLOWED_CHILDS)
  }

  resolve (ctx) {
    return this.createJSON(ctx, {
      type: 'SpreadElement',
      argument: this.argument.resolve(ctx)
    })
  }
}

module.exports = SpreadElement