smarttime/dist_ts/smarttime.classes.timer.js
2020-05-25 21:45:43 +00:00

77 lines
4.5 KiB
JavaScript

"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.Timer = void 0;
const plugins = __importStar(require("./smarttime.plugins"));
const smarttime_classes_timestamp_1 = require("./smarttime.classes.timestamp");
class Timer {
constructor(timeInMillisecondsArg) {
/**
* the state of the timer
*/
this.state = 'initiated';
// a deferred triggeted when Timer has completed
this.completedDeferred = plugins.smartpromise.defer();
this.timeInMilliseconds = timeInMillisecondsArg;
this.completed = this.completedDeferred.promise;
}
get timeLeft() {
return this.timeInMilliseconds - this.pausedAt.change;
}
/**
* starts the timer
*/
start() {
if (!this.startedAt) {
this.currentTimeout = setTimeout(() => {
this.completedDeferred.resolve();
}, this.timeInMilliseconds);
this.startedAt = new smarttime_classes_timestamp_1.TimeStamp();
}
else {
throw new Error('timer has been started before. Please use resume instead');
}
}
pause() {
if (this.startedAt) {
clearTimeout(this.currentTimeout);
this.currentTimeout = null;
this.pausedAt = smarttime_classes_timestamp_1.TimeStamp.fromTimeStamp(this.startedAt);
}
}
resume() {
if (this.startedAt) {
this.currentTimeout = setTimeout(() => {
this.completedDeferred.resolve();
}, this.timeLeft);
}
else {
throw new Error('timer has NOT been started before. Please use .start() instead');
}
}
reset() {
this.pause();
this.startedAt = null;
this.pausedAt = null;
}
}
exports.Timer = Timer;
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