botframework-webchat-component
Version:
React component of botframework-webchat
103 lines (100 loc) • 23 kB
JavaScript
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = useActivityAccessibleName;
var _botframeworkWebchatApi = require("botframework-webchat-api");
var _react = require("react");
var _SendStatus = require("../types/internal/SendStatus");
var _activityAltText = _interopRequireDefault(require("../Utils/activityAltText"));
var _tabbableElements = _interopRequireDefault(require("../Utils/tabbableElements"));
var _useRenderMarkdownAsHTML = _interopRequireDefault(require("../hooks/useRenderMarkdownAsHTML"));
var _useValueRef = _interopRequireDefault(require("../hooks/internal/useValueRef"));
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
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$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
function _iterableToArrayLimit(arr, i) { var _i = arr == null ? null : typeof Symbol !== "undefined" && arr[Symbol.iterator] || arr["@@iterator"]; if (_i == null) return; var _arr = []; var _n = true; var _d = false; var _s, _e; try { for (_i = _i.call(arr); !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
var InteractiveType;
(function (InteractiveType) {
InteractiveType[InteractiveType["LINK"] = 0] = "LINK";
InteractiveType[InteractiveType["WIDGET"] = 1] = "WIDGET";
})(InteractiveType || (InteractiveType = {}));
var useAvatarForBot = _botframeworkWebchatApi.hooks.useAvatarForBot,
useGetKeyByActivity = _botframeworkWebchatApi.hooks.useGetKeyByActivity,
useLocalizer = _botframeworkWebchatApi.hooks.useLocalizer,
useSendStatusByActivityKey = _botframeworkWebchatApi.hooks.useSendStatusByActivityKey;
var ACTIVITY_NUM_ATTACHMENTS_ALT_IDS = {
few: 'ACTIVITY_NUM_ATTACHMENTS_FEW_ALT',
many: 'ACTIVITY_NUM_ATTACHMENTS_MANY_ALT',
one: 'ACTIVITY_NUM_ATTACHMENTS_ONE_ALT',
other: 'ACTIVITY_NUM_ATTACHMENTS_OTHER_ALT',
two: 'ACTIVITY_NUM_ATTACHMENTS_TWO_ALT'
};
/**
* Computes accessible name of an activity during transcript navigation.
*
* This text should be kept simple and short.
*
* Due to a bug in Safari, accessible name for active descendant must be a string but not a DOM element.
*/
function useActivityAccessibleName(activity, bodyRef) {
var _activity$from, _activity$attachments;
var _useAvatarForBot = useAvatarForBot(),
_useAvatarForBot2 = _slicedToArray(_useAvatarForBot, 1),
botInitials = _useAvatarForBot2[0].initials;
var _useState = (0, _react.useState)(false),
_useState2 = _slicedToArray(_useState, 2),
interactiveType = _useState2[0],
setInteractiveType = _useState2[1];
var _useSendStatusByActiv = useSendStatusByActivityKey(),
_useSendStatusByActiv2 = _slicedToArray(_useSendStatusByActiv, 1),
sendStatusByActivityKey = _useSendStatusByActiv2[0];
var fromSelf = ((_activity$from = activity.from) === null || _activity$from === void 0 ? void 0 : _activity$from.role) === 'user';
var getKeyByActivity = useGetKeyByActivity();
var localize = useLocalizer();
var localizeWithPlural = useLocalizer({
plural: true
});
var numAttachments = activity.type === 'message' ? ((_activity$attachments = activity.attachments) === null || _activity$attachments === void 0 ? void 0 : _activity$attachments.length) || 0 : 0;
var renderMarkdownAsHTML = (0, _useRenderMarkdownAsHTML.default)();
/** "Click to interact." */
var activityInteractiveFootNoteAlt = localize('ACTIVITY_INTERACTIVE_FOOTNOTE_ALT');
/** "Message is interactive." */
var activityInteractiveReasonInteractiveContentAlt = localize('ACTIVITY_INTERACTIVE_REASON_INTERACTIVE_CONTENT_ALT');
/** "One or more links in the message." */
var activityInteractiveReasonLinkAlt = localize('ACTIVITY_INTERACTIVE_REASON_LINK_ALT');
/** "Send failed." */
var activityInteractiveReasonSendFailedAlt = localize('ACTIVITY_INTERACTIVE_REASON_SEND_FAILED_ALT');
var activityKey = (0, _react.useMemo)(function () {
return getKeyByActivity(activity);
}, [activity, getKeyByActivity]);
var greetingAlt = (0, _react.useMemo)(function () {
return (fromSelf ? localize('ACTIVITY_YOU_SAID_ALT') : localize('ACTIVITY_BOT_SAID_ALT', botInitials || '')).replace(/[\t-\r \xA0\u1680\u2000-\u200A\u2028\u2029\u202F\u205F\u3000\uFEFF]{2,}/g, ' ');
}, [botInitials, fromSelf, localize]);
var interactiveTypeRef = (0, _useValueRef.default)(interactiveType);
var messageTextAlt = (0, _react.useMemo)(function () {
return (0, _activityAltText.default)(activity, renderMarkdownAsHTML);
}, [activity, renderMarkdownAsHTML]);
var numAttachmentsAlt = (0, _react.useMemo)(function () {
return numAttachments ? localizeWithPlural(ACTIVITY_NUM_ATTACHMENTS_ALT_IDS, numAttachments) : '';
}, [localizeWithPlural, numAttachments]);
var isSendFailed = (0, _react.useMemo)(function () {
return sendStatusByActivityKey.get(activityKey) === _SendStatus.SEND_FAILED;
}, [activityKey, sendStatusByActivityKey]);
var accessibleName = (0, _react.useMemo)(
// We are concatenating in a single string for Safari. If we split it up, Safari will only narrate the first section.
function () {
return [greetingAlt, messageTextAlt, numAttachmentsAlt, isSendFailed ? activityInteractiveReasonSendFailedAlt : '', interactiveType === InteractiveType.LINK ? activityInteractiveReasonLinkAlt : interactiveType === InteractiveType.WIDGET ? activityInteractiveReasonInteractiveContentAlt : '', interactiveType || isSendFailed ? activityInteractiveFootNoteAlt : ''].filter(Boolean).join(' ');
}, [activityInteractiveFootNoteAlt, activityInteractiveReasonInteractiveContentAlt, activityInteractiveReasonLinkAlt, activityInteractiveReasonSendFailedAlt, greetingAlt, interactiveType, isSendFailed, messageTextAlt, numAttachmentsAlt]);
(0, _react.useEffect)(function () {
var _bodyRef$current;
var hasLinks = !!((_bodyRef$current = bodyRef.current) !== null && _bodyRef$current !== void 0 && _bodyRef$current.querySelector('a'));
var hasWidgets = !!(0, _tabbableElements.default)(bodyRef.current).length;
interactiveTypeRef.current !== hasWidgets && setInteractiveType(hasLinks ? InteractiveType.LINK : hasWidgets ? InteractiveType.WIDGET : false);
}, [bodyRef, interactiveTypeRef, setInteractiveType]);
return [accessibleName];
}
//# sourceMappingURL=data:application/json;charset=utf-8;base64,{"version":3,"names":["_botframeworkWebchatApi","require","_react","_SendStatus","_activityAltText","_interopRequireDefault","_tabbableElements","_useRenderMarkdownAsHTML","_useValueRef","obj","__esModule","default","_slicedToArray","arr","i","_arrayWithHoles","_iterableToArrayLimit","_unsupportedIterableToArray","_nonIterableRest","TypeError","o","minLen","_arrayLikeToArray","n","Object","prototype","toString","call","slice","constructor","name","Array","from","test","len","length","arr2","_i","Symbol","iterator","_arr","_n","_d","_s","_e","next","done","push","value","err","isArray","InteractiveType","useAvatarForBot","hooks","useGetKeyByActivity","useLocalizer","useSendStatusByActivityKey","ACTIVITY_NUM_ATTACHMENTS_ALT_IDS","few","many","one","other","two","useActivityAccessibleName","activity","bodyRef","_activity$from","_activity$attachments","_useAvatarForBot","_useAvatarForBot2","botInitials","initials","_useState","useState","_useState2","interactiveType","setInteractiveType","_useSendStatusByActiv","_useSendStatusByActiv2","sendStatusByActivityKey","fromSelf","role","getKeyByActivity","localize","localizeWithPlural","plural","numAttachments","type","attachments","renderMarkdownAsHTML","useRenderMarkdownAsHTML","activityInteractiveFootNoteAlt","activityInteractiveReasonInteractiveContentAlt","activityInteractiveReasonLinkAlt","activityInteractiveReasonSendFailedAlt","activityKey","useMemo","greetingAlt","replace","interactiveTypeRef","useValueRef","messageTextAlt","activityAltText","numAttachmentsAlt","isSendFailed","get","SEND_FAILED","accessibleName","LINK","WIDGET","filter","Boolean","join","useEffect","_bodyRef$current","hasLinks","current","querySelector","hasWidgets","tabbableElements"],"sourceRoot":"component:///","sources":["../../src/Transcript/useActivityAccessibleName.ts"],"sourcesContent":["import { hooks } from 'botframework-webchat-api';\nimport { useEffect, useMemo, useState } from 'react';\nimport type { RefObject } from 'react';\nimport type { WebChatActivity } from 'botframework-webchat-core';\n\nimport { SEND_FAILED } from '../types/internal/SendStatus';\nimport activityAltText from '../Utils/activityAltText';\nimport tabbableElements from '../Utils/tabbableElements';\nimport useRenderMarkdownAsHTML from '../hooks/useRenderMarkdownAsHTML';\nimport useValueRef from '../hooks/internal/useValueRef';\n\nenum InteractiveType {\n  LINK,\n  WIDGET\n}\n\nconst { useAvatarForBot, useGetKeyByActivity, useLocalizer, useSendStatusByActivityKey } = hooks;\n\nconst ACTIVITY_NUM_ATTACHMENTS_ALT_IDS = {\n  few: 'ACTIVITY_NUM_ATTACHMENTS_FEW_ALT',\n  many: 'ACTIVITY_NUM_ATTACHMENTS_MANY_ALT',\n  one: 'ACTIVITY_NUM_ATTACHMENTS_ONE_ALT',\n  other: 'ACTIVITY_NUM_ATTACHMENTS_OTHER_ALT',\n  two: 'ACTIVITY_NUM_ATTACHMENTS_TWO_ALT'\n};\n\n/**\n * Computes accessible name of an activity during transcript navigation.\n *\n * This text should be kept simple and short.\n *\n * Due to a bug in Safari, accessible name for active descendant must be a string but not a DOM element.\n */\nexport default function useActivityAccessibleName(activity: WebChatActivity, bodyRef: RefObject<HTMLElement>) {\n  const [{ initials: botInitials }] = useAvatarForBot();\n  const [interactiveType, setInteractiveType] = useState<InteractiveType | false>(false);\n  const [sendStatusByActivityKey] = useSendStatusByActivityKey();\n  const fromSelf = activity.from?.role === 'user';\n  const getKeyByActivity = useGetKeyByActivity();\n  const localize = useLocalizer();\n  const localizeWithPlural = useLocalizer({ plural: true });\n  const numAttachments = activity.type === 'message' ? activity.attachments?.length || 0 : 0;\n  const renderMarkdownAsHTML = useRenderMarkdownAsHTML();\n\n  /** \"Click to interact.\" */\n  const activityInteractiveFootNoteAlt = localize('ACTIVITY_INTERACTIVE_FOOTNOTE_ALT');\n  /** \"Message is interactive.\" */\n  const activityInteractiveReasonInteractiveContentAlt = localize(\n    'ACTIVITY_INTERACTIVE_REASON_INTERACTIVE_CONTENT_ALT'\n  );\n  /** \"One or more links in the message.\" */\n  const activityInteractiveReasonLinkAlt = localize('ACTIVITY_INTERACTIVE_REASON_LINK_ALT');\n  /** \"Send failed.\" */\n  const activityInteractiveReasonSendFailedAlt = localize('ACTIVITY_INTERACTIVE_REASON_SEND_FAILED_ALT');\n  const activityKey = useMemo(() => getKeyByActivity(activity), [activity, getKeyByActivity]);\n  const greetingAlt = useMemo(\n    () =>\n      (fromSelf ? localize('ACTIVITY_YOU_SAID_ALT') : localize('ACTIVITY_BOT_SAID_ALT', botInitials || '')).replace(\n        /\\s{2,}/gu,\n        ' '\n      ),\n    [botInitials, fromSelf, localize]\n  );\n  const interactiveTypeRef = useValueRef(interactiveType);\n  const messageTextAlt = useMemo(\n    () => activityAltText(activity, renderMarkdownAsHTML),\n    [activity, renderMarkdownAsHTML]\n  );\n  const numAttachmentsAlt = useMemo(\n    () => (numAttachments ? localizeWithPlural(ACTIVITY_NUM_ATTACHMENTS_ALT_IDS, numAttachments) : ''),\n    [localizeWithPlural, numAttachments]\n  );\n\n  const isSendFailed = useMemo(\n    () => sendStatusByActivityKey.get(activityKey) === SEND_FAILED,\n    [activityKey, sendStatusByActivityKey]\n  );\n\n  const accessibleName = useMemo(\n    // We are concatenating in a single string for Safari. If we split it up, Safari will only narrate the first section.\n    () =>\n      [\n        greetingAlt,\n        messageTextAlt,\n        numAttachmentsAlt,\n        isSendFailed ? activityInteractiveReasonSendFailedAlt : '',\n        interactiveType === InteractiveType.LINK\n          ? activityInteractiveReasonLinkAlt\n          : interactiveType === InteractiveType.WIDGET\n            ? activityInteractiveReasonInteractiveContentAlt\n            : '',\n        interactiveType || isSendFailed ? activityInteractiveFootNoteAlt : ''\n      ]\n        .filter(Boolean)\n        .join(' '),\n    [\n      activityInteractiveFootNoteAlt,\n      activityInteractiveReasonInteractiveContentAlt,\n      activityInteractiveReasonLinkAlt,\n      activityInteractiveReasonSendFailedAlt,\n      greetingAlt,\n      interactiveType,\n      isSendFailed,\n      messageTextAlt,\n      numAttachmentsAlt\n    ]\n  );\n\n  useEffect(() => {\n    const hasLinks = !!bodyRef.current?.querySelector('a');\n    const hasWidgets = !!tabbableElements(bodyRef.current).length;\n\n    interactiveTypeRef.current !== hasWidgets &&\n      setInteractiveType(hasLinks ? InteractiveType.LINK : hasWidgets ? InteractiveType.WIDGET : false);\n  }, [bodyRef, interactiveTypeRef, setInteractiveType]);\n\n  return 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