Function parseString

src/expression/parse.js:1526–1542

* Parse a single or double quoted string. * @return {Node} node * @private

(state)

   * @private
   */
  function parseString (state) {
    let node, str

    if (state.token === '"' || state.token === "'") {
      str = parseStringToken(state, state.token)

      // create constant
      node = new ConstantNode(str)

      // parse index parameters
      node = parseAccessors(state, node)

      return node
    }

    return parseMatrix(state)
  }

  /**
   * Parse a string surrounded by single or double quotes