442 lines
14 KiB
TypeScript
442 lines
14 KiB
TypeScript
import { defineComponent } from "vue";
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import { is12hFormat } from "@/units";
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import { CURRENCY } from "../types/evcc";
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const CURRENCY_SYMBOLS: Record<CURRENCY, string> = {
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AUD: "$",
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BGN: "лв",
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BRL: "R$",
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CAD: "$",
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CHF: "Fr.",
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CNY: "¥",
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EUR: "€",
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GBP: "£",
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ILS: "₪",
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NZD: "$",
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PLN: "zł",
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USD: "$",
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DKK: "kr",
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SEK: "kr",
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};
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// list of currencies where energy price should be displayed in subunits (factor 100)
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const ENERGY_PRICE_IN_SUBUNIT: Record<CURRENCY, string> = {
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AUD: "c", // Australian cent
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BGN: "st", // Bulgarian stotinka
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BRL: "¢", // Brazilian centavo
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CAD: "¢", // Canadian cent
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CHF: "rp", // Swiss Rappen
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CNY: "f", // Chinese fen
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EUR: "ct", // Euro cent
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GBP: "p", // GB pence
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ILS: "ag", // Israeli agora
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NZD: "c", // New Zealand cent
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PLN: "gr", // Polish grosz
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USD: "¢", // US cent
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DKK: "øre", // Danish øre
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SEK: "öre", // Swedish öre
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};
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export enum POWER_UNIT {
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W = "W",
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KW = "kW",
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MW = "MW",
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AUTO = "",
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}
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export default defineComponent({
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data() {
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return {
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POWER_UNIT,
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fmtLimit: 100,
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fmtDigits: 1,
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};
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},
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methods: {
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round(num: number, precision: number) {
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const base = 10 ** precision;
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return (Math.round(num * base) / base).toFixed(precision);
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},
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fmtW(watt = 0, format = POWER_UNIT.KW, withUnit = true, digits?: number) {
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let unit = format;
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let d = digits;
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if (POWER_UNIT.AUTO === unit) {
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if (watt >= 10_000_000) {
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unit = POWER_UNIT.MW;
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} else if (watt >= 1000 || 0 === watt) {
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unit = POWER_UNIT.KW;
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} else {
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unit = POWER_UNIT.W;
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}
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}
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let value = watt;
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if (POWER_UNIT.KW === unit) {
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value = watt / 1000;
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} else if (POWER_UNIT.MW === unit) {
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value = watt / 1_000_000;
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}
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if (d === undefined) {
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d =
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POWER_UNIT.KW === unit || POWER_UNIT.MW === unit || (POWER_UNIT.W !== unit && 0 === watt)
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? 1
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: 0;
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}
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return `${new Intl.NumberFormat(this.$i18n?.locale, {
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style: "decimal",
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minimumFractionDigits: d,
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maximumFractionDigits: d,
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}).format(value)}${withUnit ? ` ${unit}` : ""}`;
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},
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fmtWh(watt: number, format = POWER_UNIT.KW, withUnit = true, digits?: number) {
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return this.fmtW(watt, format, withUnit, digits) + (withUnit ? "h" : "");
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},
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fmtNumber(number: number, decimals: number, unit?: string) {
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const style = unit ? "unit" : "decimal";
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return new Intl.NumberFormat(this.$i18n?.locale, {
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style,
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unit,
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minimumFractionDigits: decimals,
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maximumFractionDigits: decimals,
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}).format(number);
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},
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fmtGrams(gramms: number, withUnit = true) {
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let unit = "gram";
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let value = gramms;
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if (gramms >= 1000) {
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unit = "kilogram";
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value = gramms / 1000;
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}
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return new Intl.NumberFormat(this.$i18n?.locale, {
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style: withUnit ? "unit" : "decimal",
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unit,
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minimumFractionDigits: 0,
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maximumFractionDigits: 0,
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}).format(value);
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},
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fmtCo2Short(gramms = 0) {
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return `${this.fmtNumber(gramms, 0)} g`;
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},
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fmtCo2Medium(gramms = 0) {
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return `${this.fmtNumber(gramms, 0)} g/kWh`;
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},
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fmtCo2Long(gramms = 0) {
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return `${this.fmtNumber(gramms, 0)} gCO₂e/kWh`;
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},
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fmtNumberToLocale(val: number, pad = 0) {
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return val.toLocaleString(this.$i18n?.locale).padStart(pad, "0");
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},
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fmtDurationToTime(date: Date) {
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const diff = date.getTime() - new Date().getTime();
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return this.fmtDuration(diff / 1000, true, "h");
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},
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fmtDurationNs(duration = 0, withUnit = true, minUnit = "s") {
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return this.fmtDuration(duration / 1e9, withUnit, minUnit);
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},
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fmtDuration(duration = 0, withUnit = true, minUnit = "s") {
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if (duration <= 0) {
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return "—";
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}
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const roundedDuration = Math.round(duration);
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const seconds = roundedDuration % 60;
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const minutes = Math.floor(roundedDuration / 60) % 60;
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const hours = Math.floor(roundedDuration / 3600);
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let result = "";
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let unit = "";
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if (hours >= 1 || minUnit === "h") {
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result = `${this.fmtNumberToLocale(hours)}:${this.fmtNumberToLocale(minutes, 2)}`;
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unit = "h";
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} else if (minutes >= 1 || minUnit === "m") {
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result = `${this.fmtNumberToLocale(minutes)}:${this.fmtNumberToLocale(seconds, 2)}`;
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unit = "m";
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} else {
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result = `${this.fmtNumberToLocale(seconds)}`;
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unit = "s";
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}
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if (withUnit) {
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result += `\u202F${unit}`;
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}
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return result;
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},
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fmtDurationLong(seconds: number) {
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// @ts-expect-error - Intl.DurationFormat is a new API not yet in TS types, see https://github.com/microsoft/TypeScript/issues/60608
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if (!Intl.DurationFormat) {
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// old browser fallback
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return this.fmtDuration(seconds);
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}
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const hours = Math.floor(seconds / 3600);
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const minutes = Math.floor((seconds % 3600) / 60);
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// @ts-expect-error - Intl.DurationFormat is a new API not yet in TS types, see https://github.com/microsoft/TypeScript/issues/60608
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const formatter = new Intl.DurationFormat(this.$i18n?.locale, { style: "long" });
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return formatter.format({ minutes, hours });
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},
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fmtDayString(date: Date) {
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const YY = `${date.getFullYear()}`;
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const MM = `${date.getMonth() + 1}`.padStart(2, "0");
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const DD = `${date.getDate()}`.padStart(2, "0");
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return `${YY}-${MM}-${DD}`;
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},
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fmtTimeString(date: Date) {
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const HH = `${date.getHours()}`.padStart(2, "0");
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const mm = `${date.getMinutes()}`.padStart(2, "0");
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return `${HH}:${mm}`;
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},
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isToday(date: Date) {
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const today = new Date();
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return today.toDateString() === date.toDateString();
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},
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isTomorrow(date: Date) {
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const tomorrow = new Date();
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tomorrow.setDate(tomorrow.getDate() + 1);
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return tomorrow.toDateString() === date.toDateString();
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},
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weekdayPrefix(date: Date) {
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if (this.isToday(date)) {
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return "";
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}
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if (this.isTomorrow(date)) {
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try {
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const rtf = new Intl.RelativeTimeFormat(this.$i18n?.locale, {
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numeric: "auto",
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});
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return rtf.formatToParts(1, "day")[0].value;
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} catch (e) {
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console.warn("weekdayPrefix: Intl.RelativeTimeFormat not supported", e);
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return "tomorrow";
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}
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}
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return new Intl.DateTimeFormat(this.$i18n?.locale, {
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weekday: "short",
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}).format(date);
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},
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hourShort(date: Date) {
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const locale = this.$i18n?.locale;
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// special: use shorter german format
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if (locale === "de") return date.getHours();
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return new Intl.DateTimeFormat(locale, {
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hour: "numeric",
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hour12: is12hFormat(),
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}).format(date);
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},
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weekdayShort(date: Date) {
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return new Intl.DateTimeFormat(this.$i18n?.locale, {
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weekday: "short",
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}).format(date);
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},
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fmtAbsoluteDate(date: Date) {
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const weekday = this.weekdayPrefix(date);
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const hour = new Intl.DateTimeFormat(this.$i18n?.locale, {
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hour: "numeric",
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minute: "numeric",
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hour12: is12hFormat(),
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}).format(date);
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return `${weekday} ${hour}`.trim();
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},
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fmtHourMinute(date: Date) {
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return new Intl.DateTimeFormat(this.$i18n?.locale, {
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hour: "numeric",
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minute: "numeric",
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hour12: is12hFormat(),
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}).format(date);
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},
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fmtFullDateTime(date: Date, short: boolean) {
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return new Intl.DateTimeFormat(this.$i18n?.locale, {
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weekday: short ? undefined : "short",
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month: short ? "numeric" : "short",
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day: "numeric",
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hour: "numeric",
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minute: "numeric",
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hour12: is12hFormat(),
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}).format(date);
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},
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fmtWeekdayTime(date: Date) {
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return new Intl.DateTimeFormat(this.$i18n?.locale, {
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weekday: "short",
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hour: "numeric",
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minute: "numeric",
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hour12: is12hFormat(),
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}).format(date);
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},
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fmtMonthYear(date: Date) {
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return new Intl.DateTimeFormat(this.$i18n?.locale, {
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month: "long",
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year: "numeric",
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}).format(date);
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},
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fmtMonth(date: Date, short: boolean) {
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return new Intl.DateTimeFormat(this.$i18n?.locale, {
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month: short ? "short" : "long",
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}).format(date);
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},
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fmtDayMonth(date: Date) {
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return new Intl.DateTimeFormat(this.$i18n?.locale, {
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weekday: "short",
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day: "numeric",
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month: "short",
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}).format(date);
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},
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fmtDurationUnit(value: number, unit = "second") {
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return new Intl.NumberFormat(this.$i18n?.locale, {
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style: "unit",
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unit,
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unitDisplay: "long",
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})
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.formatToParts(value)
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.find((part) => part.type === "unit")?.value;
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},
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fmtMoney(amout = 0, currency = CURRENCY.EUR, decimals = true, withSymbol = false) {
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const currencyDisplay = withSymbol ? "narrowSymbol" : "code";
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const digits = decimals ? undefined : 0;
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const result = new Intl.NumberFormat(this.$i18n?.locale, {
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style: "currency",
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currency,
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currencyDisplay,
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minimumFractionDigits: digits,
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maximumFractionDigits: digits,
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}).format(amout);
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return withSymbol ? result : result.replace(currency, "").trim();
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},
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fmtCurrencySymbol(currency = CURRENCY.EUR) {
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return CURRENCY_SYMBOLS[currency] || currency;
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},
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fmtPricePerKWh(amout = 0, currency = CURRENCY.EUR, short = false, withUnit = true) {
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let value = amout;
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let minimumFractionDigits = 1;
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let maximumFractionDigits = 3;
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if (ENERGY_PRICE_IN_SUBUNIT[currency]) {
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value *= 100;
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minimumFractionDigits = 1;
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maximumFractionDigits = 1;
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}
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const price = new Intl.NumberFormat(this.$i18n?.locale, {
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style: "decimal",
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minimumFractionDigits,
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maximumFractionDigits,
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}).format(value);
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if (withUnit) {
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return `${price} ${this.pricePerKWhUnit(currency, short)}`;
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}
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return price;
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},
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timezone() {
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return Intl?.DateTimeFormat?.().resolvedOptions?.().timeZone || "UTC";
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},
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pricePerKWhUnit(currency = CURRENCY.EUR, short = false) {
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const unit = ENERGY_PRICE_IN_SUBUNIT[currency] || currency;
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return `${unit}${short ? "" : "/kWh"}`;
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},
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fmtTimeAgo(elapsed: number) {
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const units = {
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day: 24 * 60 * 60 * 1000,
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hour: 60 * 60 * 1000,
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minute: 60 * 1000,
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second: 1000,
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};
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// "Math.abs" accounts for both "past" & "future" scenarios
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for (const u in units) {
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const unitKey = u as keyof typeof units;
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if (Math.abs(elapsed) > units[unitKey] || u == "second") {
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try {
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const rtf = new Intl.RelativeTimeFormat(this.$i18n?.locale, {
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numeric: "auto",
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});
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return rtf.format(Math.round(elapsed / units[unitKey]), unitKey);
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} catch (e) {
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console.warn("fmtTimeAgo: Intl.RelativeTimeFormat not supported", e);
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return `${elapsed} ${u}s ago`;
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}
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}
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}
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return "";
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},
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fmtSocOption(soc: number, rangePerSoc?: number, distanceUnit?: string, heating?: boolean) {
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let result = heating ? this.fmtTemperature(soc) : `${this.fmtPercentage(soc)}`;
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if (rangePerSoc && distanceUnit) {
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const range = soc * rangePerSoc;
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result += ` (${this.fmtNumber(range, 0)} ${distanceUnit})`;
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}
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return result;
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},
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fmtPercentage(value: number, digits = 0, forceSign = false) {
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const sign = forceSign && value > 0 ? "+" : "";
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return `${sign}${new Intl.NumberFormat(this.$i18n?.locale, {
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style: "percent",
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minimumFractionDigits: digits,
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maximumFractionDigits: digits,
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}).format(value / 100)}`;
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},
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hasLeadingPercentageSign() {
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return ["tr", "ar"].includes(this.$i18n?.locale);
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},
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fmtTemperature(value: number) {
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// TODO: handle fahrenheit
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return this.fmtNumber(value, 1, "celsius");
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},
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getWeekdaysList(
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weekdayFormat: Intl.DateTimeFormatOptions["weekday"]
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): { name: string; value: number }[] {
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const { format } = new Intl.DateTimeFormat(this.$i18n?.locale, {
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weekday: weekdayFormat,
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});
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const mondayToSaturday = [7, 8, 9, 10, 11, 12].map((day, index) => {
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return { name: format(new Date(Date.UTC(2021, 5, day))), value: index + 1 };
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});
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const sunday = { name: format(new Date(Date.UTC(2021, 5, 6))), value: 0 };
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return [...mondayToSaturday, sunday];
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},
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getShortenedWeekdaysLabel(selectedWeekdays: number[]): string {
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if (0 === selectedWeekdays.length) {
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return "–";
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}
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const weekdays = this.getWeekdaysList("short");
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let label = "";
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// the week in the input-parameter starts with 0 for sunday and ends with 6 for saturday
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// this algorithms works only if the week starts with 1 for monday and ends with 7 for sunday because
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// then we are able to count from 1 to 7 by incrementing the number
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// so we have to transform the input accordingly
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const selectedWeekdaysTransformed = selectedWeekdays.map(function (dayIndex) {
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return 0 === dayIndex ? 7 : dayIndex;
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});
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function getWeekdayName(dayIndex: number) {
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return weekdays.find((day) => day.value === (7 === dayIndex ? 0 : dayIndex))?.name;
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}
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const maxWeekday = Math.max(...selectedWeekdaysTransformed);
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for (let weekdayRangeStart = 1; weekdayRangeStart < 8; weekdayRangeStart++) {
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if (selectedWeekdaysTransformed.includes(weekdayRangeStart)) {
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label += getWeekdayName(weekdayRangeStart);
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let weekdayRangeEnd = weekdayRangeStart;
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while (selectedWeekdaysTransformed.includes(weekdayRangeEnd + 1)) {
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weekdayRangeEnd++;
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}
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if (weekdayRangeEnd - weekdayRangeStart > 1) {
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// more than 2 consecutive weekdays selected
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label += " – " + getWeekdayName(weekdayRangeEnd);
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weekdayRangeStart = weekdayRangeEnd;
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if (maxWeekday !== weekdayRangeEnd) {
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label += ", ";
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}
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} else if (weekdayRangeStart !== weekdayRangeEnd) {
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// exactly 2 consecutive weekdays selected
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label += ", ";
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} else {
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// exactly 1 single day selected
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if (maxWeekday !== weekdayRangeEnd) {
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label += ", ";
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}
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}
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}
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}
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return label;
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},
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},
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});
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