File size: 4,960 Bytes
eafbe80 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 | (function () {
"use strict";
var STORAGE_KEY = "echo-memory-lang";
var NAV_MAP = {
hero: "nav.home",
overview: "nav.overview",
design: "nav.design",
checkpoints: "nav.checkpoints",
evaluation: "nav.eval",
evidence: "nav.evidence",
findings: "nav.findings",
updates: "nav.updates",
bibtex: "nav.bibtex"
};
function detectDefaultLang() {
var saved = localStorage.getItem(STORAGE_KEY);
if (saved === "en" || saved === "zh") return saved;
return "en";
}
function dict(lang) {
return (window.ECHO_I18N && window.ECHO_I18N[lang]) || {};
}
function t(lang, key) {
var d = dict(lang);
return Object.prototype.hasOwnProperty.call(d, key) ? d[key] : "";
}
function applyLang(lang) {
var d = dict(lang);
if (!Object.keys(d).length) return;
document.documentElement.lang = lang === "zh" ? "zh-CN" : "en";
var descMeta = document.querySelector('meta[name="description"]');
var pageTitleKey = document.body.getAttribute("data-title-key");
if (pageTitleKey && d[pageTitleKey]) {
document.title = d[pageTitleKey];
} else if (d["meta.title"]) {
document.title = d["meta.title"];
}
if (descMeta) {
if (pageTitleKey === "dev.meta.title" && d["dev.meta.description"]) {
descMeta.setAttribute("content", d["dev.meta.description"]);
} else if (d["meta.description"]) {
descMeta.setAttribute("content", d["meta.description"]);
}
}
document.querySelectorAll("[data-i18n]").forEach(function (el) {
var key = el.getAttribute("data-i18n");
if (!key || !(key in d)) return;
el.textContent = d[key];
});
document.querySelectorAll("[data-i18n-html]").forEach(function (el) {
var key = el.getAttribute("data-i18n-html");
if (!key || !(key in d)) return;
el.innerHTML = d[key];
});
document.querySelectorAll("[data-i18n-attr]").forEach(function (el) {
el.getAttribute("data-i18n-attr").split(";").forEach(function (pair) {
var parts = pair.split(":");
if (parts.length !== 2) return;
var attr = parts[0].trim();
var key = parts[1].trim();
if (key in d) el.setAttribute(attr, d[key]);
});
});
document.querySelectorAll("[data-nav]").forEach(function (el) {
var navKey = NAV_MAP[el.getAttribute("data-nav")];
if (navKey && d[navKey]) el.textContent = d[navKey];
});
document.querySelectorAll(".slide-dots button[data-slide]").forEach(function (btn) {
var navKey = NAV_MAP[btn.getAttribute("data-slide")];
if (navKey && d[navKey]) {
btn.setAttribute("data-label", d[navKey]);
btn.setAttribute("aria-label", d[navKey]);
}
});
document.querySelectorAll(".qual-chip").forEach(function (chip, idx) {
var keys = ["evidence.chip1", "evidence.chip2", "evidence.chip3"];
if (keys[idx] && d[keys[idx]]) chip.textContent = d[keys[idx]];
});
var activeQual = document.querySelector(".qual-chip.is-active");
var qualCaption = document.querySelector("[data-qual-caption]");
if (activeQual && qualCaption && activeQual.dataset.captionKey && d[activeQual.dataset.captionKey]) {
qualCaption.innerHTML = d[activeQual.dataset.captionKey] + ' <span class="zoom-hint">' + (d["zoom.hint"] || "Click to expand") + "</span>";
} else if (qualCaption && d["evidence.cap1"] && document.querySelector(".qual-chip.is-active") === document.querySelector(".qual-chip")) {
qualCaption.innerHTML = d["evidence.cap1"];
}
var langCurrent = document.querySelector("[data-lang-current]");
var langAlt = document.querySelector("[data-lang-alt]");
if (langCurrent && d["lang.current"]) langCurrent.textContent = d["lang.current"];
if (langAlt && d["lang.toggle"]) langAlt.textContent = d["lang.toggle"];
var toggle = document.getElementById("lang-toggle");
if (toggle && d["lang.switch"]) toggle.setAttribute("aria-label", d["lang.switch"]);
document.querySelectorAll("[data-copy-target]").forEach(function (btn) {
if (!btn.classList.contains("is-copied") && d["bibtex.copy"]) {
btn.textContent = d["bibtex.copy"];
}
});
localStorage.setItem(STORAGE_KEY, lang);
document.dispatchEvent(new CustomEvent("echo-lang-change", { detail: { lang: lang } }));
}
window.EchoI18n = {
getLang: function () {
return localStorage.getItem(STORAGE_KEY) || detectDefaultLang();
},
setLang: applyLang,
t: function (key) {
return t(window.EchoI18n.getLang(), key);
}
};
document.addEventListener("DOMContentLoaded", function () {
var lang = detectDefaultLang();
applyLang(lang);
var toggle = document.getElementById("lang-toggle");
if (toggle) {
toggle.addEventListener("click", function () {
var next = window.EchoI18n.getLang() === "zh" ? "en" : "zh";
applyLang(next);
});
}
});
})();
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