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Diffstat (limited to 'includes/external/matrix/node_modules/matrix-widget-api/lib/models/WidgetParser.js')
| -rw-r--r-- | includes/external/matrix/node_modules/matrix-widget-api/lib/models/WidgetParser.js | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/includes/external/matrix/node_modules/matrix-widget-api/lib/models/WidgetParser.js b/includes/external/matrix/node_modules/matrix-widget-api/lib/models/WidgetParser.js new file mode 100644 index 0000000..42c61d8 --- /dev/null +++ b/includes/external/matrix/node_modules/matrix-widget-api/lib/models/WidgetParser.js @@ -0,0 +1,150 @@ +"use strict"; + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.WidgetParser = void 0; + +var _Widget = require("./Widget"); + +var _url = require("./validation/url"); + +function _createForOfIteratorHelper(o, allowArrayLike) { var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"]; if (!it) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = it.call(o); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; } + +function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); } + +function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; } + +function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } + +function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } + +function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; } + +var WidgetParser = /*#__PURE__*/function () { + function WidgetParser() {// private constructor because this is a util class + + _classCallCheck(this, WidgetParser); + } + /** + * Parses widgets from the "m.widgets" account data event. This will always + * return an array, though may be empty if no valid widgets were found. + * @param {IAccountDataWidgets} content The content of the "m.widgets" account data. + * @returns {Widget[]} The widgets in account data, or an empty array. + */ + + + _createClass(WidgetParser, null, [{ + key: "parseAccountData", + value: function parseAccountData(content) { + if (!content) return []; + var result = []; + + for (var _i = 0, _Object$keys = Object.keys(content); _i < _Object$keys.length; _i++) { + var _widgetId = _Object$keys[_i]; + var roughWidget = content[_widgetId]; + if (!roughWidget) continue; + if (roughWidget.type !== "m.widget" && roughWidget.type !== "im.vector.modular.widgets") continue; + if (!roughWidget.sender) continue; + var probableWidgetId = roughWidget.state_key || roughWidget.id; + if (probableWidgetId !== _widgetId) continue; + var asStateEvent = { + content: roughWidget.content, + sender: roughWidget.sender, + type: "m.widget", + state_key: _widgetId, + event_id: "$example", + room_id: "!example", + origin_server_ts: 1 + }; + var widget = WidgetParser.parseRoomWidget(asStateEvent); + if (widget) result.push(widget); + } + + return result; + } + /** + * Parses all the widgets possible in the given array. This will always return + * an array, though may be empty if no widgets could be parsed. + * @param {IStateEvent[]} currentState The room state to parse. + * @returns {Widget[]} The widgets in the state, or an empty array. + */ + + }, { + key: "parseWidgetsFromRoomState", + value: function parseWidgetsFromRoomState(currentState) { + if (!currentState) return []; + var result = []; + + var _iterator = _createForOfIteratorHelper(currentState), + _step; + + try { + for (_iterator.s(); !(_step = _iterator.n()).done;) { + var state = _step.value; + var widget = WidgetParser.parseRoomWidget(state); + if (widget) result.push(widget); + } + } catch (err) { + _iterator.e(err); + } finally { + _iterator.f(); + } + + return result; + } + /** + * Parses a state event into a widget. If the state event does not represent + * a widget (wrong event type, invalid widget, etc) then null is returned. + * @param {IStateEvent} stateEvent The state event. + * @returns {Widget|null} The widget, or null if invalid + */ + + }, { + key: "parseRoomWidget", + value: function parseRoomWidget(stateEvent) { + if (!stateEvent) return null; // TODO: [Legacy] Remove legacy support + + if (stateEvent.type !== "m.widget" && stateEvent.type !== "im.vector.modular.widgets") { + return null; + } // Dev note: Throughout this function we have null safety to ensure that + // if the caller did not supply something useful that we don't error. This + // is done against the requirements of the interface because not everyone + // will have an interface to validate against. + + + var content = stateEvent.content || {}; // Form our best approximation of a widget with the information we have + + var estimatedWidget = { + id: stateEvent.state_key, + creatorUserId: content['creatorUserId'] || stateEvent.sender, + name: content['name'], + type: content['type'], + url: content['url'], + waitForIframeLoad: content['waitForIframeLoad'], + data: content['data'] + }; // Finally, process that widget + + return WidgetParser.processEstimatedWidget(estimatedWidget); + } + }, { + key: "processEstimatedWidget", + value: function processEstimatedWidget(widget) { + // Validate that the widget has the best chance of passing as a widget + if (!widget.id || !widget.creatorUserId || !widget.type) { + return null; + } + + if (!(0, _url.isValidUrl)(widget.url)) { + return null; + } // TODO: Validate data for known widget types + + + return new _Widget.Widget(widget); + } + }]); + + return WidgetParser; +}(); + +exports.WidgetParser = WidgetParser;
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