58 lines
2.4 KiB
JavaScript
58 lines
2.4 KiB
JavaScript
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/*
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Copyright 2020 The Matrix.org Foundation C.I.C.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import {_t} from "../languageHandler";
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/**
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* Converts a timestamp into human-readable, translated, text.
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* @param {number} timeMillis The time in millis to compare against.
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* @returns {string} The humanized time.
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*/
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export function humanizeTime(timeMillis) {
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// These are the constants we use for when to break the text
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const MILLISECONDS_RECENT = 15000;
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const MILLISECONDS_1_MIN = 75000;
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const MINUTES_UNDER_1_HOUR = 45;
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const MINUTES_1_HOUR = 75;
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const HOURS_UNDER_1_DAY = 23;
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const HOURS_1_DAY = 26;
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const now = (new Date()).getTime();
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let msAgo = now - timeMillis;
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const minutes = Math.abs(Math.ceil(msAgo / 60000));
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const hours = Math.ceil(minutes / 60);
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const days = Math.ceil(hours / 24);
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if (msAgo >= 0) { // Past
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if (msAgo <= MILLISECONDS_RECENT) return _t("a few seconds ago");
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if (msAgo <= MILLISECONDS_1_MIN) return _t("about a minute ago");
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if (minutes <= MINUTES_UNDER_1_HOUR) return _t("%(num)s minutes ago", {num: minutes});
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if (minutes <= MINUTES_1_HOUR) return _t("about an hour ago");
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if (hours <= HOURS_UNDER_1_DAY) return _t("%(num)s hours ago", {num: hours});
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if (hours <= HOURS_1_DAY) return _t("about a day ago");
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return _t("%(num)s days ago", {num: days});
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} else { // Future
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msAgo = Math.abs(msAgo);
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if (msAgo <= MILLISECONDS_RECENT) return _t("a few seconds from now");
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if (msAgo <= MILLISECONDS_1_MIN) return _t("about a minute from now");
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if (minutes <= MINUTES_UNDER_1_HOUR) return _t("%(num)s minutes from now", {num: minutes});
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if (minutes <= MINUTES_1_HOUR) return _t("about an hour from now");
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if (hours <= HOURS_UNDER_1_DAY) return _t("%(num)s hours from now", {num: hours});
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if (hours <= HOURS_1_DAY) return _t("about a day from now");
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return _t("%(num)s days from now", {num: days});
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}
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}
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