@singleton-i18n/angular-client
Version:
Singleton client code for Angular 10.
78 lines • 9.97 kB
JavaScript
/*
* Copyright 2019-2021 VMware, Inc.
* SPDX-License-Identifier: EPL-2.0
*/
var TimeUnit;
(function (TimeUnit) {
TimeUnit[TimeUnit["SECOND"] = 0] = "SECOND";
TimeUnit[TimeUnit["MINUTE"] = 1] = "MINUTE";
TimeUnit[TimeUnit["HOUR"] = 2] = "HOUR";
TimeUnit[TimeUnit["DAY"] = 3] = "DAY";
TimeUnit[TimeUnit["MONTH"] = 4] = "MONTH";
TimeUnit[TimeUnit["YEAR"] = 5] = "YEAR";
})(TimeUnit || (TimeUnit = {}));
var SecondsOfUnit;
(function (SecondsOfUnit) {
SecondsOfUnit[SecondsOfUnit["SECOND"] = 1] = "SECOND";
SecondsOfUnit[SecondsOfUnit["MINUTE"] = 60] = "MINUTE";
SecondsOfUnit[SecondsOfUnit["HOUR"] = 3600] = "HOUR";
SecondsOfUnit[SecondsOfUnit["DAY"] = 86400] = "DAY";
SecondsOfUnit[SecondsOfUnit["MONTH"] = 2629746] = "MONTH";
SecondsOfUnit[SecondsOfUnit["YEAR"] = 31556952] = "YEAR";
})(SecondsOfUnit || (SecondsOfUnit = {}));
var THRESHODS;
(function (THRESHODS) {
THRESHODS[THRESHODS["SECOND"] = 45] = "SECOND";
THRESHODS[THRESHODS["MINUTE"] = 45] = "MINUTE";
THRESHODS[THRESHODS["HOUR"] = 22] = "HOUR";
THRESHODS[THRESHODS["DAY"] = 26] = "DAY";
THRESHODS[THRESHODS["MONTH"] = 11] = "MONTH";
})(THRESHODS || (THRESHODS = {}));
export class RelativeTimeFormatter {
getOffset(from, to) {
const start = from.getTime();
const end = to.getTime();
const ms = end - start;
const offset = ms / 1000;
const offsetOfSeconds = Math.floor(Math.abs(offset));
const unit = this.getUnit(offsetOfSeconds);
const offsetOfUnit = this.getOffsetOfUnit(offsetOfSeconds, unit);
return {
unit: TimeUnit[unit].toLocaleLowerCase(),
offset: offset > 0 ? offsetOfUnit : -1 * offsetOfUnit
};
}
// Calculate the best time unit based on the difference and use the threshold limit range
getUnit(offset) {
let unit;
if (offset < SecondsOfUnit.MINUTE && this.isOverThreshod(offset, TimeUnit.SECOND)) {
unit = TimeUnit.SECOND;
}
else if (offset < SecondsOfUnit.HOUR && this.isOverThreshod(offset, TimeUnit.MINUTE)) {
unit = TimeUnit.MINUTE;
}
else if (offset < SecondsOfUnit.DAY && this.isOverThreshod(offset, TimeUnit.HOUR)) {
unit = TimeUnit.HOUR;
}
else if (offset < SecondsOfUnit.MONTH && this.isOverThreshod(offset, TimeUnit.DAY)) {
unit = TimeUnit.DAY;
}
else if (offset < SecondsOfUnit.YEAR && this.isOverThreshod(offset, TimeUnit.MONTH)) {
unit = TimeUnit.MONTH;
}
else {
unit = TimeUnit.YEAR;
}
return unit;
}
// Check whether the offset of 'unit' is within the threshold range
isOverThreshod(offset, unit) {
const offsetOfUnit = this.getOffsetOfUnit(offset, unit);
return offsetOfUnit < THRESHODS[TimeUnit[unit]];
}
getOffsetOfUnit(offset, unit) {
const offsetOfUnit = Math.round(offset / SecondsOfUnit[TimeUnit[unit]]);
return offsetOfUnit;
}
}
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