feat: 实现网页实时预览

2026-07-25 21:52:45 +08:00
parent 7224dfdf60
commit fa07472428
16 changed files with 2860 additions and 218 deletions
@@ -0,0 +1,78 @@
+import { cp, mkdir, readFile, writeFile } from "node:fs/promises";
+import { constants } from "node:fs";
+import { access } from "node:fs/promises";
+import { dirname, join, resolve } from "node:path";
+import { fileURLToPath } from "node:url";
+
+const projectRoot = resolve(dirname(fileURLToPath(import.meta.url)), "..");
+const sourceRoot =
+  process.env.TYPORA_THEME_DIR ??
+  join(process.env.APPDATA ?? "", "Typora", "themes");
+const sourceCss = join(sourceRoot, "github.css");
+const sourceAssets = join(sourceRoot, "github");
+const targetRoot = join(projectRoot, ".local", "themes", "typora-github");
+
+async function assertReadable(path, label) {
+  try {
+    await access(path, constants.R_OK);
+  } catch {
+    throw new Error(`${label}不存在或不可读取：${path}`);
+  }
+}
+
+await assertReadable(sourceCss, "Typora GitHub 主题");
+await assertReadable(sourceAssets, "Typora GitHub 主题资源目录");
+
+try {
+  await access(targetRoot, constants.F_OK);
+  throw new Error(
+    `目标目录已存在：${targetRoot}\n请先人工确认并移走旧目录，再重新导入。`
+  );
+} catch (error) {
+  if (error instanceof Error && error.message.startsWith("目标目录已存在")) {
+    throw error;
+  }
+}
+
+await mkdir(targetRoot, { recursive: true });
+await cp(sourceAssets, join(targetRoot, "github"), {
+  recursive: true,
+  errorOnExist: true,
+  force: false
+});
+await writeFile(
+  join(targetRoot, "github.css"),
+  await readFile(sourceCss, "utf8"),
+  "utf8"
+);
+
+const manifest = {
+  manifestVersion: 1,
+  id: "typora-github",
+  name: "Typora 默认（GitHub，本地）",
+  version: "local",
+  description:
+    "从本机 Typora 安装导入，仅供当前设备个人使用，不进入 Git、容器或发布包。",
+  author: "Typora",
+  license: "本地个人使用，未随项目分发",
+  entry: "github.css",
+  domPreset: "typora",
+  defaultFontSize: "16px",
+  supportedFeatures: [
+    "code",
+    "table",
+    "task-list",
+    "footnote",
+    "katex",
+    "mermaid"
+  ],
+  bundled: false
+};
+
+await writeFile(
+  join(targetRoot, "theme.json"),
+  `${JSON.stringify(manifest, null, 2)}\n`,
+  "utf8"
+);
+
+console.log(`已导入本地 Typora 主题：${targetRoot}`);