feat(theme): add style switcher and centralize diff logic

Extract duplicated diff rendering logic into shared/diff-page.js
Implement theme switcher component across all templates
This commit is contained in:
2026-04-08 14:39:39 +08:00
parent 90792b276e
commit e9fcd411a7
9 changed files with 642 additions and 1271 deletions

View File

@@ -72,6 +72,26 @@
.view-option.active {
@apply border-t-win-borderDark border-l-win-borderDark border-b-win-borderLight border-r-win-borderLight pt-[5px] pb-[3px] pl-[17px] pr-[15px] bg-[url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAYAAABytg0kAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAABZJREFUeNpi2rVrdz8DAwMDMwIGAAgwAEYQAWtO1y8gAAAAAElFTkSuQmCC')] /* 经典棋盘格背景 */;
}
.style-switcher {
@apply flex items-center gap-2;
}
.style-switcher-label {
@apply text-lg;
}
.style-switcher-select {
background: #ffffff;
border: 2px solid;
border-top-color: #000000;
border-left-color: #000000;
border-bottom-color: #ffffff;
border-right-color: #ffffff;
color: #000000;
cursor: pointer;
font-family: "VT323", monospace;
font-size: 1.125rem;
outline: none;
padding: 0.125rem 0.5rem;
}
/* JS 动态插入的空状态提示 */
.empty-message {
@apply p-8 text-center font-retro text-xl text-gray-600 bg-white;
@@ -269,6 +289,8 @@ function hello() {
UNIFIED
</button>
</div>
<div data-style-switcher></div>
</div>
<!-- 操作按钮 -->
@@ -312,196 +334,38 @@ function hello() {
<script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/highlight.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/diff2html@3.4.47/bundles/js/diff2html.min.js"></script>
<!-- 核心逻辑 (保持不变,仅修改了统计信息的输出格式以符合复古风格) -->
<script src="../shared/diff-page.js"></script>
<script>
(function () {
"use strict";
const leftTextarea = document.getElementById("leftTextarea");
const rightTextarea = document.getElementById("rightTextarea");
const compareBtn = document.getElementById("compareBtn");
const swapBtn = document.getElementById("swapBtn");
const exampleBtn = document.getElementById("exampleBtn");
const clearLeftBtn = document.getElementById("clearLeftBtn");
const clearRightBtn = document.getElementById("clearRightBtn");
const languageSelect = document.getElementById("languageSelect");
const diffOutput = document.getElementById("diff-output");
const diffStats = document.getElementById("diffStats");
const viewOptions = document.querySelectorAll(".view-option");
let currentView = "side-by-side";
function getSelectedLanguage() {
return languageSelect.value;
}
function getHighlightConfig() {
const lang = getSelectedLanguage();
if (lang === "plaintext") return false;
return { enabled: true, language: lang };
}
function generateUnifiedDiff(original, modified) {
return Diff.createTwoFilesPatch(
"ORIGINAL",
"MODIFIED",
original || "",
modified || "",
"",
"",
{ context: 4 },
);
}
function renderDiff() {
const leftText = leftTextarea.value;
const rightText = rightTextarea.value;
let diffString;
try {
diffString = generateUnifiedDiff(leftText, rightText);
} catch (e) {
diffOutput.innerHTML = `<div class="empty-message" style="color:red;">ERROR: ${e.message}</div>`;
diffStats.textContent = "ERR";
return;
window.initDiffPage({
themeId: "exe",
currentThemePath: "exe/index.html",
switcherLabel: "SKIN:",
switcherAriaLabel: "Switch retro EXE skin",
fileLabels: {
left: "ORIGINAL",
right: "MODIFIED",
},
example: {
left: `function hello() {\n console.log("Hello World");\n return "Hi";\n}`,
right: `function hello() {\n console.log("Hello, Diff Checker!");\n return "Hey there";\n}`,
language: "javascript",
},
messages: {
generateError: (error) =>
`<div class="empty-message" style="color:red;">ERROR: ${error.message}</div>`,
renderError: () => '<div class="empty-message">RENDER FAILED.</div>',
blankResult: '<div class="empty-message">FILES ARE IDENTICAL.</div>',
blankStats: "NO_CHANGES",
generateErrorStats: "ERR",
renderErrorStats: "ERR",
},
formatStats: ({ added, deleted, identical }) => {
if (identical) {
return "NO_CHANGES_DETECTED";
}
const configuration = {
drawFileList: false,
matching: "lines",
outputFormat: currentView,
highlight: getHighlightConfig(),
renderNothingWhenEmpty: false,
};
let diffHtml = "";
try {
diffHtml = Diff2Html.html(diffString, configuration);
} catch (e) {
console.warn(e);
diffOutput.innerHTML = `<div class="empty-message">RENDER FAILED.</div>`;
diffStats.textContent = "ERR";
return;
}
diffOutput.innerHTML = diffHtml;
const selectedLang = getSelectedLanguage();
if (selectedLang !== "plaintext") {
const codeBlocks = diffOutput.querySelectorAll("code");
if (codeBlocks.length > 0 && window.hljs) {
codeBlocks.forEach((block) => {
block.classList.forEach((cls) => {
if (cls.startsWith("language-")) block.classList.remove(cls);
});
block.classList.add(`language-${selectedLang}`);
if (block.dataset.highlighted) {
delete block.dataset.highlighted;
}
try {
hljs.highlightElement(block);
} catch (e) {}
});
}
}
const addedLines = diffOutput.querySelectorAll(".d2h-ins").length;
const deletedLines = diffOutput.querySelectorAll(".d2h-del").length;
if (addedLines === 0 && deletedLines === 0) {
diffStats.innerHTML = "NO_CHANGES_DETECTED";
} else {
// 复古终端风格的统计输出
diffStats.innerHTML = `[ +${addedLines} INS | -${deletedLines} DEL ]`;
}
if (!diffHtml.trim() || diffOutput.innerText.trim() === "") {
diffOutput.innerHTML =
'<div class="empty-message">FILES ARE IDENTICAL.</div>';
diffStats.innerHTML = "NO_CHANGES";
}
}
function setActiveView(view) {
currentView = view;
viewOptions.forEach((btn) => {
const val = btn.getAttribute("data-view");
if (val === view) {
btn.classList.add("active");
} else {
btn.classList.remove("active");
}
});
if (
diffOutput.querySelector(".d2h-wrapper") ||
diffOutput.children.length > 0
) {
renderDiff();
}
}
function loadExample() {
leftTextarea.value = `function hello() {\n console.log("Hello World");\n return "Hi";\n}`;
rightTextarea.value = `function hello() {\n console.log("Hello, Diff Checker!");\n return "Hey there";\n}`;
languageSelect.value = "javascript";
renderDiff();
}
function swapTexts() {
const temp = leftTextarea.value;
leftTextarea.value = rightTextarea.value;
rightTextarea.value = temp;
renderDiff();
}
function clearLeft() {
leftTextarea.value = "";
renderDiff();
}
function clearRight() {
rightTextarea.value = "";
renderDiff();
}
compareBtn.addEventListener("click", renderDiff);
swapBtn.addEventListener("click", swapTexts);
exampleBtn.addEventListener("click", loadExample);
clearLeftBtn.addEventListener("click", clearLeft);
clearRightBtn.addEventListener("click", clearRight);
languageSelect.addEventListener("change", () => {
if (
diffOutput.querySelector(".d2h-wrapper") ||
diffOutput.children.length > 0
) {
renderDiff();
}
});
viewOptions.forEach((btn) => {
btn.addEventListener("click", (e) => {
const view = e.currentTarget.getAttribute("data-view");
setActiveView(view);
});
});
document.addEventListener("keydown", (e) => {
if ((e.ctrlKey || e.metaKey) && e.key === "Enter") {
e.preventDefault();
renderDiff();
}
});
window.addEventListener("DOMContentLoaded", () => {
renderDiff();
});
if (
document.readyState === "complete" ||
document.readyState === "interactive"
) {
setTimeout(renderDiff, 10);
}
})();
return `[ +${added} INS | -${deleted} DEL ]`;
},
});
</script>
</body>
</html>