botframework-webchat-component
Version:
React component of botframework-webchat
46 lines (42 loc) • 8.2 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = useTimer;
var _botframeworkWebchatApi = require("botframework-webchat-api");
var _react = require("react");
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$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
function _iterableToArrayLimit(arr, i) { var _i = arr == null ? null : typeof Symbol !== "undefined" && arr[Symbol.iterator] || arr["@@iterator"]; if (_i == null) return; var _arr = []; var _n = true; var _d = false; var _s, _e; try { for (_i = _i.call(arr); !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
var usePonyfill = _botframeworkWebchatApi.hooks.usePonyfill;
// TODO: [P2] Dedupe this function from "api", possibly create a new "util" package.
/**
* Calls a callback function at a specific time.
*/
function useTimer(at, fn) {
var _usePonyfill = usePonyfill(),
_usePonyfill2 = _slicedToArray(_usePonyfill, 1),
_usePonyfill2$ = _usePonyfill2[0],
clearTimeout = _usePonyfill2$.clearTimeout,
Date = _usePonyfill2$.Date,
setTimeout = _usePonyfill2$.setTimeout;
(0, _react.useEffect)(function () {
if (typeof at === 'number') {
var ms = Math.max(0, at - Date.now());
// useEffect() is running after yielding to sync code via setImmediate (IE), MessageChannel (4ms), or setTimeout.
// Thus, when calling setTimeout(..., 0), under Lolex, it will be waited for another loop.
// In other words, setTimeout(..., 0) won't fire right away. It will be fired after clock.tick(<any number>).
if (ms) {
var timeout = setTimeout(fn, ms);
return function () {
return clearTimeout(timeout);
};
}
fn();
}
}, [at, clearTimeout, Date, fn, setTimeout]);
}
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RUFBRTtRQUNOLElBQU1JLE9BQU8sR0FBR04sVUFBVSxDQUFDTixFQUFFLEVBQUVRLEVBQUUsQ0FBQztRQUVsQyxPQUFPO1VBQUEsT0FBTUosWUFBWSxDQUFDUSxPQUFPLENBQUM7UUFBQTtNQUNwQztNQUVBWixFQUFFLENBQUMsQ0FBQztJQUNOO0VBQ0YsQ0FBQyxFQUFFLENBQUNELEVBQUUsRUFBRUssWUFBWSxFQUFFQyxJQUFJLEVBQUVMLEVBQUUsRUFBRU0sVUFBVSxDQUFDLENBQUM7QUFDOUMifQ==