querySelectorAll.js

module.exports = {
  name: "querySelectorAll",
  ns: "dom",
  title: "querySelectorAll",
  expose: ["window",
    "document"
  ],
  description: "[Document querySelectorAll](https://developer.mozilla.org/en-US/docs/Web/API/document.querySelectorAll)",
  phrases: {
    active: "Gathering all elements matching criteria: {{input.selector}}"
  },
  ports: {
    input: {
      element: {
        title: "Element",
        type: "HTMLElement",
        "default": null
      },
      selector: {
        title: "Selector",
        type: "string",
        required: true
      }
    },
    output: {
      element: {
        title: "Element",
        type: "HTMLElement",
        "default": null
      },
      selection: {
        type: "object"
      },
      error: {
        type: "Error",
        title: "Error"
      }
    }
  },
  fn: function querySelectorAll(input, $, output, state, done, cb, on, win, document) {
    var r = function() {
      var el;
      if ($.element) {
        el = $.element
        output = {
          element: $.get('element')
        };
      } else {
        el = document
        output = {
          element: $.create(el)
        };
      }
      var selection = el.querySelectorAll($.selector);
      if (selection) {
        output.selection = $.create(selection);
      } else {
        output.error = $.create(Error('Selector ' + $.selector + ' did not match'));
      }
    }.call(this);
    return {
      output: output,
      state: state,
      on: on,
      return: r
    };
  }
}