初始化

2026-09-07 18:24:55 +08:00
1 parent 34474bd5fc
commit b638b541d0
@@ -0,0 +1,119 @@
+import fs from "node:fs";
+import path from "node:path";
+import postcss from "postcss";
+
+const unsupportedColor = /(?:color-mix|oklch|oklab|lab|lch)\(/i;
+const assetsDir = path.resolve("dist/assets");
+
+if (!fs.existsSync(assetsDir)) {
+  throw new Error("dist/assets 不存在，请先运行 pnpm build");
+}
+
+const cssFiles = fs
+  .readdirSync(assetsDir)
+  .filter((file) => file.endsWith(".css"));
+
+if (cssFiles.length === 0) {
+  throw new Error("dist/assets 中没有 CSS 构建产物");
+}
+
+const failures = [];
+let modernDeclarations = 0;
+
+const requiredLegacyFallbacks = [
+  {
+    file: "src/components/ui/textarea.tsx",
+    pattern: /rows=\{rows\s*\?\?\s*3\}/,
+    description: "Textarea needs a native rows fallback",
+  },
+  {
+    file: "src/components/ai-elements/prompt-input.tsx",
+    pattern: /<InputGroup className="h-auto min-h-16">/,
+    description: "Prompt textarea must not rely on :has() for its parent height",
+  },
+  {
+    file: "src/core/utils/mermaid.ts",
+    pattern: /htmlLabels:\s*false[\s\S]*secure:\s*\[[\s\S]*"htmlLabels"/,
+    description: "Sandbox flowcharts must use native SVG labels in legacy browsers",
+  },
+  {
+    file: "src/core/utils/legacy-html-preview.ts",
+    pattern: /export function downlevelModernColors[\s\S]*function injectLegacyChartShim/,
+    description: "Generated HTML charts must downlevel modern CSS colors for Chrome 109",
+  },
+];
+
+for (const file of cssFiles) {
+  const root = postcss.parse(
+    fs.readFileSync(path.join(assetsDir, file), "utf8"),
+    { from: file },
+  );
+
+  root.walkDecls((declaration) => {
+    if (!unsupportedColor.test(declaration.value)) return;
+    modernDeclarations += 1;
+
+    let ancestor = declaration.parent;
+    while (ancestor) {
+      if (
+        ancestor.type === "atrule" &&
+        ancestor.name === "supports" &&
+        unsupportedColor.test(ancestor.params)
+      ) {
+        return;
+      }
+      ancestor = ancestor.parent;
+    }
+
+    let previous = declaration.prev();
+    while (previous?.type === "comment") previous = previous.prev();
+    const hasSafeFallback =
+      !declaration.prop.startsWith("--") &&
+      previous?.type === "decl" &&
+      previous.prop === declaration.prop &&
+      !unsupportedColor.test(previous.value);
+
+    if (!hasSafeFallback) {
+      failures.push(
+        `${file}:${declaration.source?.start?.line ?? "?"} ${declaration.prop}: ${declaration.value}`,
+      );
+    }
+  });
+}
+
+function walk(directory) {
+  return fs.readdirSync(directory, { withFileTypes: true }).flatMap((entry) => {
+    const fullPath = path.join(directory, entry.name);
+    return entry.isDirectory() ? walk(fullPath) : [fullPath];
+  });
+}
+
+for (const file of walk(path.resolve("src"))) {
+  if (!/\.[jt]sx?$/.test(file)) continue;
+  const source = fs.readFileSync(file, "utf8");
+  if (unsupportedColor.test(source)) {
+    failures.push(
+      `${path.relative(process.cwd(), file)} contains a runtime-only modern color function`,
+    );
+  }
+}
+
+for (const fallback of requiredLegacyFallbacks) {
+  const source = fs.readFileSync(path.resolve(fallback.file), "utf8");
+  if (!fallback.pattern.test(source)) {
+    failures.push(`${fallback.file}: ${fallback.description}`);
+  }
+}
+
+if (failures.length > 0) {
+  console.error("Legacy Chrome CSS compatibility check failed:\n");
+  console.error(failures.slice(0, 50).join("\n"));
+  if (failures.length > 50) {
+    console.error(`... and ${failures.length - 50} more`);
+  }
+  process.exit(1);
+}
+
+console.log(
+  `Legacy Chrome (100+) CSS compatibility check passed (${modernDeclarations} guarded modern declarations).`,
+);