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/** |
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* Yatra international phone input. |
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* |
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* Enhances every `[data-yatra-phone]` control rendered by |
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* yatra_render_form_field(): a searchable country selector (flag + dial code) |
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* on the left, the national number on the right. Pasting a full international |
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* number ("+9779806015400") auto-selects the country (Nepal) and splits the |
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* number. A hidden `<field>_country` input carries the chosen ISO; the server |
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* combines dial code + national number on submit, so this script degrades |
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* gracefully (no JS → the plain number + default country still submit). |
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* |
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* Pure vanilla JS, no dependencies. Country data comes from |
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* window.yatraPhoneData.countries ([{iso,name,dial}]) + |
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* window.yatraPhoneData.priority ({dial: iso}). |
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*/ |
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(function () { |
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"use strict"; |
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|
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var DATA = window.yatraPhoneData || {}; |
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var COUNTRIES = Array.isArray(DATA.countries) ? DATA.countries : []; |
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var PRIORITY = DATA.priority || {}; |
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var I18N = DATA.i18n || {}; |
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var SEARCH_PLACEHOLDER = I18N.search || "Search country"; |
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var NO_RESULTS = I18N.noResults || "No matches"; |
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|
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if (!COUNTRIES.length) { |
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return; // nothing to build without country data |
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} |
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|
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// iso (lowercase) -> {iso,name,dial} |
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var BY_ISO = {}; |
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COUNTRIES.forEach(function (c) { |
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BY_ISO[String(c.iso).toLowerCase()] = c; |
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}); |
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|
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/** Detect country from a raw value that starts with "+". Mirrors FormatHelper::detectPhoneCountry. */ |
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function detectCountry(raw) { |
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raw = (raw || "").trim(); |
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if (!raw || raw.charAt(0) !== "+") return null; |
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var digits = raw.replace(/\D+/g, ""); |
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if (!digits) return null; |
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for (var len = Math.min(4, digits.length); len >= 1; len--) { |
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var prefix = digits.slice(0, len); |
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var matches = COUNTRIES.filter(function (c) { |
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return c.dial === prefix; |
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}); |
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if (matches.length) { |
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var iso = PRIORITY[prefix] || matches[0].iso; |
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return { iso: iso, dial: prefix, national: digits.slice(len) }; |
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} |
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} |
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return null; |
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} |
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|
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function flagUrl(base, iso) { |
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return base + String(iso).toLowerCase() + ".svg"; |
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} |
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|
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function closeAll(except) { |
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document |
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.querySelectorAll(".yatra-phone-field.is-open") |
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.forEach(function (f) { |
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if (f !== except) { |
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f.classList.remove("is-open"); |
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var btn = f.querySelector(".yatra-phone-country"); |
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if (btn) btn.setAttribute("aria-expanded", "false"); |
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} |
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}); |
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} |
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|
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function initField(field) { |
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if (!field || field.dataset.yatraPhoneReady === "1") return; |
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field.dataset.yatraPhoneReady = "1"; |
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|
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var button = field.querySelector(".yatra-phone-country"); |
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var flagImg = field.querySelector(".yatra-phone-flag"); |
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var dialSpan = field.querySelector(".yatra-phone-dial"); |
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var numberInput = field.querySelector(".yatra-phone-number"); |
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var isoInput = field.querySelector(".yatra-phone-iso"); |
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var flagBase = field.getAttribute("data-flag-base") || ""; |
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if (!button || !numberInput || !isoInput) return; |
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|
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var dropdown = null; |
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var listEl = null; |
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var searchEl = null; |
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|
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function setCountry(iso) { |
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var c = BY_ISO[String(iso).toLowerCase()]; |
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if (!c) return; |
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isoInput.value = c.iso; |
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if (dialSpan) dialSpan.textContent = "+" + c.dial; |
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if (flagImg) { |
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flagImg.setAttribute("src", flagUrl(flagBase, c.iso)); |
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flagImg.setAttribute("alt", c.name); |
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} |
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// reflect selection in an open list |
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if (listEl) { |
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listEl |
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.querySelectorAll(".yatra-phone-option.is-active") |
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.forEach(function (o) { |
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o.classList.remove("is-active"); |
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}); |
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var active = listEl.querySelector( |
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'.yatra-phone-option[data-iso="' + c.iso + '"]', |
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); |
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if (active) active.classList.add("is-active"); |
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} |
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} |
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|
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function buildDropdown() { |
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if (dropdown) return; |
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dropdown = document.createElement("div"); |
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dropdown.className = "yatra-phone-dropdown"; |
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|
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var searchWrap = document.createElement("div"); |
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searchWrap.className = "yatra-phone-search-wrap"; |
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searchEl = document.createElement("input"); |
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searchEl.type = "text"; |
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searchEl.className = "yatra-phone-search"; |
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searchEl.setAttribute("placeholder", SEARCH_PLACEHOLDER); |
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searchEl.setAttribute("autocomplete", "off"); |
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searchEl.setAttribute("aria-label", SEARCH_PLACEHOLDER); |
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searchWrap.appendChild(searchEl); |
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|
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listEl = document.createElement("ul"); |
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listEl.className = "yatra-phone-list"; |
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listEl.setAttribute("role", "listbox"); |
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|
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COUNTRIES.forEach(function (c) { |
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var li = document.createElement("li"); |
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li.className = "yatra-phone-option"; |
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li.setAttribute("role", "option"); |
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li.setAttribute("data-iso", c.iso); |
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li.setAttribute( |
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"data-search", |
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(c.name + " " + c.dial + " " + c.iso).toLowerCase(), |
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); |
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li.innerHTML = |
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'<img class="yatra-phone-flag" loading="lazy" width="22" height="16" alt="" src="' + |
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flagUrl(flagBase, c.iso) + |
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'">' + |
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'<span class="yatra-phone-option-name"></span>' + |
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'<span class="yatra-phone-option-dial">+' + |
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c.dial + |
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"</span>"; |
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li.querySelector(".yatra-phone-option-name").textContent = c.name; |
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li.addEventListener("click", function () { |
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setCountry(c.iso); |
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close(); |
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numberInput.focus(); |
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}); |
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listEl.appendChild(li); |
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}); |
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|
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dropdown.appendChild(searchWrap); |
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dropdown.appendChild(listEl); |
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field.appendChild(dropdown); |
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|
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searchEl.addEventListener("input", function () { |
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var q = searchEl.value.trim().toLowerCase(); |
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var anyVisible = false; |
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listEl.querySelectorAll(".yatra-phone-option").forEach(function (o) { |
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var match = !q || o.getAttribute("data-search").indexOf(q) !== -1; |
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o.style.display = match ? "" : "none"; |
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if (match) anyVisible = true; |
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}); |
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var empty = listEl.querySelector(".yatra-phone-empty"); |
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if (!anyVisible) { |
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if (!empty) { |
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empty = document.createElement("li"); |
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empty.className = "yatra-phone-empty"; |
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empty.textContent = NO_RESULTS; |
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listEl.appendChild(empty); |
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} |
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empty.style.display = ""; |
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} else if (empty) { |
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empty.style.display = "none"; |
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} |
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}); |
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|
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searchEl.addEventListener("keydown", function (e) { |
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if (e.key === "Escape") { |
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close(); |
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button.focus(); |
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} |
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}); |
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} |
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|
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function open() { |
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buildDropdown(); |
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closeAll(field); |
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field.classList.add("is-open"); |
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button.setAttribute("aria-expanded", "true"); |
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setCountry(isoInput.value); // highlight current |
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if (searchEl) { |
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searchEl.value = ""; |
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searchEl.dispatchEvent(new Event("input")); |
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searchEl.focus(); |
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} |
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// ensure active option is visible |
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if (listEl) { |
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var active = listEl.querySelector(".yatra-phone-option.is-active"); |
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if (active) active.scrollIntoView({ block: "nearest" }); |
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} |
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} |
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|
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function close() { |
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field.classList.remove("is-open"); |
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button.setAttribute("aria-expanded", "false"); |
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} |
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|
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button.addEventListener("click", function (e) { |
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e.preventDefault(); |
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if (field.classList.contains("is-open")) { |
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close(); |
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} else { |
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open(); |
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} |
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}); |
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|
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// Live flag feedback while typing an international number; final split on |
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// blur/paste so digits don't jump around mid-keystroke. |
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numberInput.addEventListener("input", function () { |
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var v = numberInput.value; |
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if (v.charAt(0) === "+") { |
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var d = detectCountry(v); |
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if (d) setCountry(d.iso); |
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} |
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}); |
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|
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function splitIfInternational() { |
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var v = numberInput.value.trim(); |
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if (v.charAt(0) !== "+") return; |
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var d = detectCountry(v); |
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if (d) { |
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setCountry(d.iso); |
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numberInput.value = d.national; |
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} |
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} |
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numberInput.addEventListener("blur", splitIfInternational); |
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numberInput.addEventListener("paste", function () { |
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setTimeout(splitIfInternational, 0); |
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}); |
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} |
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|
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function initAll(root) { |
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(root || document) |
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.querySelectorAll("[data-yatra-phone]") |
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.forEach(initField); |
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} |
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|
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// Close on outside click / Escape. |
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document.addEventListener("click", function (e) { |
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if (!e.target.closest(".yatra-phone-field")) closeAll(null); |
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}); |
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document.addEventListener("keydown", function (e) { |
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if (e.key === "Escape") closeAll(null); |
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}); |
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|
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// Initial + dynamically-added traveler rows (booking.js clones them). |
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if (document.readyState === "loading") { |
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document.addEventListener("DOMContentLoaded", function () { |
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initAll(document); |
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}); |
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} else { |
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initAll(document); |
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} |
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if (typeof MutationObserver !== "undefined") { |
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var mo = new MutationObserver(function (muts) { |
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muts.forEach(function (m) { |
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m.addedNodes && |
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m.addedNodes.forEach(function (n) { |
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if (n.nodeType !== 1) return; |
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if (n.matches && n.matches("[data-yatra-phone]")) initField(n); |
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initAll(n); |
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}); |
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}); |
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}); |
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mo.observe(document.body, { childList: true, subtree: true }); |
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} |
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|
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// Expose for explicit re-init if a theme/integration needs it. |
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window.yatraInitPhoneInputs = initAll; |
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})(); |
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|
