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/** |
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* Central currency symbol placement for Yatra admin + public UIs. |
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* |
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* Settings → Currency uses: left, right, left_space, right_space. |
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* Legacy stored values: before, after (mapped for backward compatibility). |
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*/ |
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|
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import { __ } from "./i18n"; |
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import { getCurrency, getCurrencySymbol } from "../data/currencies"; |
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|
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export type CurrencyPlacement = "left" | "right" | "left_space" | "right_space"; |
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|
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/** |
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* Normalize option / legacy values to one of the four placement modes. |
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*/ |
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export function normalizeCurrencyPosition( |
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raw: string | undefined | null, |
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): CurrencyPlacement { |
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const p = (raw ?? "before").toString().toLowerCase().trim(); |
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if (p === "before") { |
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return "left_space"; |
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} |
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if (p === "after") { |
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return "right_space"; |
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} |
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if ( |
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p === "right" || |
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p === "right_space" || |
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p === "left" || |
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p === "left_space" |
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) { |
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return p as CurrencyPlacement; |
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} |
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return "left_space"; |
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} |
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|
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/** |
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* Join a pre-formatted numeric string with the currency symbol per placement. |
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*/ |
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export function applyCurrencyPosition( |
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formattedAmount: string, |
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currencySymbol: string, |
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rawPosition?: string | null, |
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): string { |
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const mode = normalizeCurrencyPosition(rawPosition); |
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switch (mode) { |
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case "right": |
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return `${formattedAmount}${currencySymbol}`; |
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case "right_space": |
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return `${formattedAmount} ${currencySymbol}`; |
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case "left": |
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return `${currencySymbol}${formattedAmount}`; |
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case "left_space": |
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default: |
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return `${currencySymbol} ${formattedAmount}`; |
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} |
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} |
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|
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type AdminWindow = Window & { |
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yatraAdmin?: Record<string, unknown>; |
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yatraBookingData?: Record<string, unknown>; |
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yatraTripData?: Record<string, unknown>; |
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yatraAccountPage?: Record<string, unknown>; |
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}; |
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|
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/** |
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* Read raw currency position from localized globals (camelCase or snake_case). |
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*/ |
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export function readYatraCurrencyPositionFromWindow(): string { |
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if (typeof window === "undefined") { |
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return "before"; |
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} |
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const w = window as AdminWindow; |
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const pick = (o: Record<string, unknown> | undefined): string | undefined => { |
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if (!o) { |
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return undefined; |
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} |
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const a = o.currencyPosition; |
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const b = o.currency_position; |
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if (typeof a === "string" && a !== "") { |
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return a; |
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} |
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if (typeof b === "string" && b !== "") { |
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return b; |
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} |
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return undefined; |
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}; |
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|
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return ( |
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pick(w.yatraAdmin as Record<string, unknown> | undefined) ?? |
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pick(w.yatraBookingData as Record<string, unknown> | undefined) ?? |
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pick(w.yatraTripData as Record<string, unknown> | undefined) ?? |
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pick(w.yatraAccountPage as Record<string, unknown> | undefined) ?? |
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"before" |
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); |
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} |
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|
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function readAdminNumberFormatConfig(): { |
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decimalPlaces: number; |
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thousandSeparator: string; |
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decimalSeparator: string; |
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} { |
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if (typeof window === "undefined") { |
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return { decimalPlaces: 2, thousandSeparator: ",", decimalSeparator: "." }; |
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} |
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const a = ((window as AdminWindow).yatraAdmin || {}) as Record< |
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string, |
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unknown |
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>; |
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const decimals = Number(a.decimalPlaces ?? a.currency_decimals ?? 2) || 2; |
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return { |
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decimalPlaces: Math.max(0, Math.min(4, decimals)), |
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thousandSeparator: |
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typeof a.thousandSeparator === "string" && a.thousandSeparator !== "" |
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? (a.thousandSeparator as string) |
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: ",", |
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decimalSeparator: |
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typeof a.decimalSeparator === "string" && a.decimalSeparator !== "" |
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? (a.decimalSeparator as string) |
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: ".", |
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}; |
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} |
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|
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/** |
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* Format a numeric amount using Yatra currency + separator settings and symbol placement. |
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* |
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* @param zeroAsUnknown When true, zero/empty shows “Contact for pricing” (trip/marketing UIs). |
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*/ |
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export function formatYatraMoney( |
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amount: number, |
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currencyCode: string, |
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options?: { zeroAsUnknown?: boolean }, |
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): string { |
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const zeroAsUnknown = options?.zeroAsUnknown === true; |
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const num = Number(amount) || 0; |
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if (zeroAsUnknown && num === 0) { |
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return __("Contact for pricing", "yatra"); |
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} |
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|
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const { decimalPlaces, thousandSeparator, decimalSeparator } = |
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readAdminNumberFormatConfig(); |
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const currencyData = getCurrency(currencyCode); |
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const decimals = |
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currencyData?.decimalDigits !== undefined |
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? Math.max(0, Math.min(4, currencyData.decimalDigits)) |
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: decimalPlaces; |
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|
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const formattedCore = new Intl.NumberFormat(undefined, { |
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minimumFractionDigits: decimals, |
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maximumFractionDigits: decimals, |
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}) |
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.format(num) |
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.replace(/,/g, "TEMP_THOUSAND") |
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.replace(/\./g, "TEMP_DECIMAL") |
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.replace(/TEMP_THOUSAND/g, thousandSeparator) |
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.replace(/TEMP_DECIMAL/g, decimalSeparator); |
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|
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const symbol = getCurrencySymbol(currencyCode); |
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const position = readYatraCurrencyPositionFromWindow(); |
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|
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return applyCurrencyPosition(formattedCore, symbol, position); |
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} |
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