From f0fc8f287deb658a3133ee97acea26622f4d3bd1 Mon Sep 17 00:00:00 2001
From: "Phyks (Lucas Verney)" <phyks@phyks.me>
Date: Tue, 28 Aug 2018 20:36:36 +0200
Subject: [PATCH] Drop Moment.JS, use custom small lib for relative dates and
 formatting

---
 package.json                  |   1 -
 src/components/ReportCard.vue |   4 +-
 src/i18n/en.json              |   9 +++
 src/i18n/fr.json              |   9 +++
 src/i18n/index.js             |  28 ++++------
 src/i18n/moment/oc.js         |  80 --------------------------
 src/i18n/oc.json              |  19 +++++++
 src/store/actions.js          |   4 --
 src/store/mutations.js        |   3 -
 src/tools/date.js             | 102 ++++++++++++++++++++++++++++++++++
 src/tools/exportGPX.js        |   4 +-
 src/tools/index.js            |   5 +-
 src/views/About.vue           |   5 +-
 src/views/Settings.vue        |   8 ++-
 yarn.lock                     |   4 --
 15 files changed, 164 insertions(+), 121 deletions(-)
 delete mode 100644 src/i18n/moment/oc.js
 create mode 100644 src/tools/date.js

diff --git a/package.json b/package.json
index b6c31e0..79e40fc 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,6 @@
         "gps-to-gpx": "^1.4.0",
         "howler": "^2.0.15",
         "material-icons": "^0.2.3",
-        "moment": "^2.22.2",
         "nosleep.js": "^0.7.0",
         "ol": "^5.1.3",
         "roboto-fontface": "^0.9.0",
diff --git a/src/components/ReportCard.vue b/src/components/ReportCard.vue
index 7961dd0..62e43b6 100644
--- a/src/components/ReportCard.vue
+++ b/src/components/ReportCard.vue
@@ -49,10 +49,10 @@
 </template>
 
 <script>
-import moment from 'moment';
 import { Howl } from 'howler';
 
 import { REPORT_TYPES, REPORT_ALARM_VIBRATION_SEQUENCE } from '@/constants';
+import { distanceInWordsToNow } from '@/tools/date';
 import beepSound from '@/assets/beep.mp3';
 
 export default {
@@ -62,7 +62,7 @@ export default {
             if (reportID != null) {
                 const report = this.$store.state.reports.find(item => item.id === reportID);
                 return {
-                    fromNow: moment(report.attributes.datetime).fromNow(),
+                    fromNow: distanceInWordsToNow(Date.parse(report.attributes.datetime)),
                     icon: this.icons[report.attributes.type],
                     id: report.id,
                     label: this.$t(`reportLabels.${report.attributes.type}`),
diff --git a/src/i18n/en.json b/src/i18n/en.json
index b573754..4f2d9e1 100644
--- a/src/i18n/en.json
+++ b/src/i18n/en.json
@@ -69,6 +69,15 @@
         "preventSuspendDescription": "When the map is displayed, the device will be prevented from going to sleep.",
         "vibrate": "Vibrate"
     },
+    "relativeDate": {
+        "ago": "{duration} ago",
+        "second": "one second | {count} seconds",
+        "minute": "one minute | {count} minutes",
+        "hour": "one hour | {count} hours",
+        "day": "one day | {count} days",
+        "month": "one month | {count} months",
+        "year": "one year | {count} years"
+    },
     "reportCard": {
         "Reported": "Reported {fromNow}."
     },
diff --git a/src/i18n/fr.json b/src/i18n/fr.json
index 58c667b..e935cbf 100644
--- a/src/i18n/fr.json
+++ b/src/i18n/fr.json
@@ -69,6 +69,15 @@
         "preventSuspendDescription": "Quand la carte est affich\u00e9e, l'appareil ne pourra pas passer en veille automatiquement.",
         "vibrate": "Vibrer"
     },
+    "relativeDate": {
+        "ago": "il y a {duration}",
+        "day": "un jour | {count} jours",
+        "hour": "une heure | {count} heures",
+        "minute": "une minute | {count} minutes",
+        "month": "un mois | {count} mois",
+        "second": "une seconde | {count} secondes",
+        "year": "un an | {count} ans"
+    },
     "reportCard": {
         "Reported": "Signal\u00e9 {fromNow}."
     },
diff --git a/src/i18n/index.js b/src/i18n/index.js
index 5a93285..dbdf716 100644
--- a/src/i18n/index.js
+++ b/src/i18n/index.js
@@ -1,35 +1,27 @@
 import Vue from 'vue';
 import VueI18n from 'vue-i18n';
 
-// Moment locales
-import 'moment/locale/en-gb';
-import 'moment/locale/fr';
-
 // App locales
 import en from './en.json';
 import fr from './fr.json';
 import oc from './oc.json';
 
-// Local moment locales
-import './moment/oc';
-
-export const AVAILABLE_LOCALES = [
-    {
-        iso: 'en',
-        name: 'English',
+export const AVAILABLE_LOCALES = {
+    en: {
         messages: en,
+        name: 'English',
     },
-    {
+    fr: {
         iso: 'fr',
-        name: 'Français',
         messages: fr,
+        name: 'Français',
     },
-    {
+    oc: {
         iso: 'oc',
-        name: 'Occitan',
         messages: oc,
+        name: 'Occitan',
     },
-];
+};
 
 export function getBrowserLocales() {
     let langs = [];
@@ -59,8 +51,8 @@ export function getBrowserLocales() {
 Vue.use(VueI18n);
 
 export const messages = {};
-AVAILABLE_LOCALES.forEach((item) => {
-    messages[item.iso] = item.messages;
+Object.keys(AVAILABLE_LOCALES).forEach((iso) => {
+    messages[iso] = AVAILABLE_LOCALES[iso].messages;
 });
 
 export default new VueI18n({
diff --git a/src/i18n/moment/oc.js b/src/i18n/moment/oc.js
deleted file mode 100644
index 22cd3b3..0000000
--- a/src/i18n/moment/oc.js
+++ /dev/null
@@ -1,80 +0,0 @@
-//! moment.js locale configuration
-//! locale : Occitan, lengadocian dialecte [oc-lnc]
-//! author : Quentí
-/* eslint-disable */
-
-import moment from 'moment';
-
-export default moment.defineLocale('oc', {
-    months : {
-        standalone: 'genièr_febrièr_març_abril_mai_junh_julhet_agost_setembre_octòbre_novembre_decembre'.split('_'),
-        format: 'de genièr_de febrièr_de març_d\'abril_de mai_de junh_de julhet_d\'agost_de setembre_d\'octòbre_de novembre_de decembre'.split('_'),
-        isFormat: /D[oD]?(\s)+MMMM/
-    },
-    monthsShort : 'gen._febr._març._abr._mai._junh._jul._ag._set._oct._nov._dec.'.split('_'),
-    monthsParseExact : true,
-    weekdays : 'dimenge_diluns_dimars_dimècres_dijòus_divendres_dissabte'.split('_'),
-    weekdaysShort : 'dg._dl._dm._dc._dj._dv._ds.'.split('_'),
-    weekdaysMin : 'dg_dl_dm_dc_dj_dv_ds'.split('_'),
-    weekdaysParseExact : true,
-    longDateFormat : {
-        LT : 'H:mm',
-        LTS : 'H:mm:ss',
-        L : 'DD/MM/YYYY',
-        LL : 'D MMMM [de] YYYY',
-        ll : 'D MMM YYYY',
-        LLL : 'D MMMM [de] YYYY [a] H:mm',
-        lll : 'D MMM YYYY, H:mm',
-        LLLL : 'dddd D MMMM [de] YYYY [a] H:mm',
-        llll : 'ddd D MMM YYYY, H:mm'
-    },
-    calendar : {
-        sameDay : function () {
-            return '[uèi a] LT';
-        },
-        nextDay : function () {
-            return '[deman a] LT';
-        },
-        nextWeek : function () {
-            return 'dddd [a] LT';
-        },
-        lastDay : function () {
-            return '[ièr a] LT';
-        },
-        lastWeek : function () {
-            return 'dddd [passat a] LT';
-        },
-        sameElse : 'L'
-    },
-    relativeTime : {
-        future : 'd\'aquí %s',
-        past : 'fa %s',
-        s : 'unas segondas',
-        ss : '%d segondas',
-        m : 'una minuta',
-        mm : '%d minutas',
-        h : 'una ora',
-        hh : '%d oras',
-        d : 'un jorn',
-        dd : '%d jorns',
-        M : 'un mes',
-        MM : '%d meses',
-        y : 'un an',
-        yy : '%d ans'
-    },
-    dayOfMonthOrdinalParse: /\d{1,2}(r|n|t|è|a)/,
-    ordinal : function (number, period) {
-        var output = (number === 1) ? 'r' :
-            (number === 2) ? 'n' :
-            (number === 3) ? 'r' :
-            (number === 4) ? 't' : 'è';
-        if (period === 'w' || period === 'W') {
-            output = 'a';
-        }
-        return number + output;
-    },
-    week : {
-        dow : 1, // Monday is the first day of the week.
-        doy : 4  // The week that contains Jan 4th is the first week of the year.
-    }
-});
diff --git a/src/i18n/oc.json b/src/i18n/oc.json
index 721f4b0..78eaa15 100644
--- a/src/i18n/oc.json
+++ b/src/i18n/oc.json
@@ -50,6 +50,7 @@
         "About": "Ajuda",
         "Settings": "Prefer\u00e9ncias",
         "exportGPX": "Exportar en GPX",
+        "reportIssue": "Senhalar un probl\u00e8ma",
         "shareMapView": "Partejar la vista de la mapa"
     },
     "misc": {
@@ -68,6 +69,15 @@
         "preventSuspendDescription": "Quand la mapa es mostrada, lo periferic passar\u00e0 pas en velha.",
         "vibrate": "Vibracions"
     },
+    "relativeDate": {
+        "ago": "fa {duration}",
+        "day": "un jorn | {count} jorns",
+        "hour": "una ora | {count} oras",
+        "minute": "una minuta | {count} minutas",
+        "month": "un mes | {count} meses",
+        "second": "unas segondas | {count} segondas",
+        "year": "un an | {count} ans"
+    },
     "reportCard": {
         "Reported": "Senhalat {fromNow}."
     },
@@ -75,6 +85,12 @@
         "unableToSendDescription": "Una error ret empacha lo mandad\u00eds del darri\u00e8r senhalament.",
         "unableToSendTitle": "Impossible d'enviar lo darri\u00e8r senhalament"
     },
+    "reportIssueModal": {
+        "description": "Descripcion",
+        "includeGPX": "Inclure la tra\u00e7a GPS actuala\u00a0?",
+        "reportIssue": "Senhalar un probl\u00e8ma",
+        "send": "Enviar"
+    },
     "reportLabels": {
         "accident": "Accident",
         "accidentDescription": "Un accident sus la rota (automaticament suprimit apr\u00e8p una ora).",
@@ -90,9 +106,12 @@
         "potholeDescription": "Un trauc per la rota."
     },
     "settings": {
+        "autorotate": "Vira automaticament (direccion actuala amont)",
         "customTileServer": "Servidor de teulas personalizat",
         "customTileServerURL": "URL del servidor de teulas personalizat",
         "customTileServerURLHint": "Per exemple\u00a0: http://tile.thunderforest.com/cycle/{z}/{x}/{y}.png",
+        "defaultOrientationMode": "M\u00f2de orientacion per defaut",
+        "fixedNorth": "Fixada (N\u00f2rd amont)",
         "locale": "Lenga",
         "skipOnboarding": "Passar l'introduccion",
         "tileServer": "Servidor de teulas per la mapa"
diff --git a/src/store/actions.js b/src/store/actions.js
index 4e7b2cc..0e42c00 100644
--- a/src/store/actions.js
+++ b/src/store/actions.js
@@ -1,5 +1,3 @@
-import moment from 'moment';
-
 import * as api from '@/api';
 import * as constants from '@/constants';
 import i18n from '@/i18n';
@@ -87,8 +85,6 @@ export function showReportDetails({ commit }, { id, userAsked }) {
 export function setLocale({ commit }, { locale }) {
     // Set global Vue-i18n locale
     i18n.locale = locale;
-    // Set moment locale
-    moment.locale(locale);
     // Commit setting into the store
     return commit(SET_SETTING, { setting: 'locale', value: locale });
 }
diff --git a/src/store/mutations.js b/src/store/mutations.js
index c948e2a..bfcb9a0 100644
--- a/src/store/mutations.js
+++ b/src/store/mutations.js
@@ -1,4 +1,3 @@
-import moment from 'moment';
 import Vue from 'vue';
 
 import { messages, getBrowserLocales } from '@/i18n';
@@ -80,8 +79,6 @@ if (storageAvailable('localStorage')) {
             }
         }
     }
-    // Set moment locale
-    moment.locale(locale);
 }
 
 export const initialState = {
diff --git a/src/tools/date.js b/src/tools/date.js
new file mode 100644
index 0000000..c0e61a7
--- /dev/null
+++ b/src/tools/date.js
@@ -0,0 +1,102 @@
+import i18n from '@/i18n';
+
+/*
+ * Code below is dapted from
+ * https://github.com/date-fns/date-fns/blob/v1/src/format/index.js
+ * Licensed under MIT © Sasha Koss.
+ */
+export function addLeadingZeros(number, targetLength) {
+    let output = Math.abs(number).toString();
+    while (output.length < targetLength) {
+        output = `0${output}`;
+    }
+    return output;
+}
+
+const FORMATTERS = {
+    // Month: 01, 02, ..., 12
+    MM: date => addLeadingZeros(date.getMonth() + 1, 2),
+    // Day of month: 01, 02, ..., 31
+    DD: date => addLeadingZeros(date.getDate(), 2),
+    // Year: 1900, 1901, ..., 2099
+    YYYY: date => addLeadingZeros(date.getFullYear(), 4),
+    // Hour: 00, 01, ..., 23
+    HH: date => addLeadingZeros(date.getHours(), 2),
+    // Minute: 00, 01, ..., 59
+    mm: date => addLeadingZeros(date.getMinutes(), 2),
+    // Day of the week: Mon, Tue, Wed, Thu, Fri, Sat, Sun
+    ddd: date => ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'][date.getDay()],
+};
+
+export function formatDate(date, format) {
+    let output = format;
+    Object.keys(FORMATTERS).forEach((formatter) => {
+        output = output.replace(formatter, FORMATTERS[formatter](date));
+    });
+    return output;
+}
+
+/*
+ * Code below is adapted from
+ * https://github.com/yahoo/intl-relativeformat/blob/master/src/core.js
+ * Copyright (c) 2014, Yahoo! Inc. All rights reserved.
+ * Copyrights licensed under the New BSD License.
+*/
+
+const THRESHOLDS = {
+    second: 45,
+    minute: 45,
+    hour: 22,
+    day: 26,
+    month: 11,
+};
+
+function daysToYears(days) {
+    // 400 years have 146097 days (taking into account leap year rules)
+    return days * 400 / 146097;
+}
+
+export function diff(from, to) {
+    // Convert to ms timestamps.
+    const millisecond = Math.round(+to - (+from));
+    const second = Math.round(millisecond / 1000);
+    const minute = Math.round(second / 60);
+    const hour = Math.round(minute / 60);
+    const day = Math.round(hour / 24);
+    const week = Math.round(day / 7);
+
+    const rawYears = daysToYears(day);
+    const month = Math.round(rawYears * 12);
+    const year = Math.round(rawYears);
+
+    return {
+        millisecond,
+        second,
+        minute,
+        hour,
+        day,
+        week,
+        month,
+        year,
+    };
+}
+
+export function selectUnits(diffReport) {
+    const fields = Object.keys(THRESHOLDS);
+    for (let i = 0; i < fields.length; i += 1) {
+        const units = fields[i];
+        if (Math.abs(diffReport[units]) < THRESHOLDS[units]) {
+            return units;
+        }
+    }
+    return 'year';
+}
+
+export function distanceInWordsToNow(from) {
+    const diffReport = diff(from, new Date());
+    const units = selectUnits(diffReport);
+    const diffInUnits = Math.abs(diffReport[units]);
+    return i18n.t('relativeDate.ago', {
+        duration: i18n.tc(`relativeDate.${units}`, diffInUnits, { count: diffInUnits }),
+    });
+}
diff --git a/src/tools/exportGPX.js b/src/tools/exportGPX.js
index 94a4bed..5cf75d6 100644
--- a/src/tools/exportGPX.js
+++ b/src/tools/exportGPX.js
@@ -1,8 +1,8 @@
 import FileSaver from 'file-saver';
 import createGPX from 'gps-to-gpx';
-import moment from 'moment';
 
 import { VERSION } from '@/constants';
+import { formatDate } from '@/tools/date';
 
 export default function (activityName, locationGPX) {
     const courseKey = 'heading';
@@ -36,6 +36,6 @@ export default function (activityName, locationGPX) {
     });
     FileSaver.saveAs(
         new Blob([gpx], { type: 'application/gpx+xml;charset=utf-8' }),
-        `cyclassist_${moment().locale('en').format('YYYY-MM-DD_HH-mm_ddd')}.gpx`,
+        `cyclassist_${formatDate(new Date(), 'YYYY-MM-DD_HH-mm_ddd')}.gpx`,
     );
 }
diff --git a/src/tools/index.js b/src/tools/index.js
index ebcfef1..d7544dd 100644
--- a/src/tools/index.js
+++ b/src/tools/index.js
@@ -1,4 +1,3 @@
-import moment from 'moment';
 
 import {
     EARTH_RADIUS,
@@ -61,8 +60,8 @@ export function mockLocationWithGPX(index, setPosition) {
         setPosition(mockGPX[index]);
         if (mockGPX[index + 1]) {
             const delay = (
-                moment(mockGPX[index + 1].time).valueOf()
-                - moment(mockGPX[index].time).valueOf()
+                Date.parse(mockGPX[index + 1].time).getTime()
+                - Date.parse(mockGPX[index].time).getTime()
             );
             setTimeout(
                 () => mockLocationWithGPX(index + 1, setPosition),
diff --git a/src/views/About.vue b/src/views/About.vue
index f1b5901..5a1c481 100644
--- a/src/views/About.vue
+++ b/src/views/About.vue
@@ -26,9 +26,8 @@
 </template>
 
 <script>
-import moment from 'moment';
-
 import { getStats } from '@/api';
+import { distanceInWordsToNow } from '@/tools/date';
 
 import ReportsDescription from '@/components/ReportsDescription.vue';
 
@@ -49,7 +48,7 @@ export default {
             getStats().then((stats) => {
                 this.stats = stats;
                 this.stats.last_added_report_datetime = (
-                    moment(this.stats.last_added_report_datetime).fromNow()
+                    distanceInWordsToNow(Date.parse(this.stats.last_added_report_datetime))
                 );
             });
         },
diff --git a/src/views/Settings.vue b/src/views/Settings.vue
index b1c2012..8fc53f5 100644
--- a/src/views/Settings.vue
+++ b/src/views/Settings.vue
@@ -124,8 +124,14 @@ export default {
     },
     data() {
         const $t = this.$t.bind(this);
+        const i18nItems = [];
+        Object.keys(AVAILABLE_LOCALES).forEach(iso => i18nItems.push({
+            iso,
+            name: AVAILABLE_LOCALES[iso].name,
+        }));
+        i18nItems.sort((a, b) => a.iso > b.iso);
         return {
-            i18nItems: AVAILABLE_LOCALES,
+            i18nItems,
             orientationModes: [
                 {
                     text: $t('settings.fixedNorth'),
diff --git a/yarn.lock b/yarn.lock
index d5ce56a..a3fd3af 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5980,10 +5980,6 @@ mkpath@^0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/mkpath/-/mkpath-0.1.0.tgz#7554a6f8d871834cc97b5462b122c4c124d6de91"
 
-moment@^2.22.2:
-  version "2.22.2"
-  resolved "https://registry.yarnpkg.com/moment/-/moment-2.22.2.tgz#3c257f9839fc0e93ff53149632239eb90783ff66"
-
 mout@1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/mout/-/mout-1.0.0.tgz#9bdf1d4af57d66d47cb353a6335a3281098e1501"