wangdequan
9a9fb5d4c1
结论：已将 INI 面板的 OPFS 文本文件读写抽为 host-side file-service，并新增 Node mock 验证，确认 OPFS 边界不进入 WASM core 且可覆盖保存、读取、缺失路径和非法路径行为。
53 lines
1.6 KiB
JavaScript
53 lines
1.6 KiB
JavaScript
function splitPath(path) {
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if (typeof path !== "string" || path.length === 0) {
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throw new Error("OPFS path must be a non-empty relative path.");
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}
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if (path.startsWith("/") || path.includes("//")) {
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throw new Error(`Invalid OPFS path: ${path}`);
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}
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const parts = path.split("/");
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if (parts.some((part) => part === "." || part === ".." || part === "")) {
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throw new Error(`Invalid OPFS path: ${path}`);
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}
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return parts;
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}
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export async function getOpfsRoot(storage = globalThis.navigator?.storage) {
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if (!storage?.getDirectory) {
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throw new Error("OPFS is not available in this browser.");
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}
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return storage.getDirectory();
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}
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export async function ensureParentDir(root, path) {
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const parts = splitPath(path);
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let current = root;
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for (const part of parts.slice(0, -1)) {
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current = await current.getDirectoryHandle(part, { create: true });
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}
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return current;
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}
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export async function saveTextFile(path, text, storage) {
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const root = await getOpfsRoot(storage);
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const dir = await ensureParentDir(root, path);
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const filename = splitPath(path).at(-1);
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const fileHandle = await dir.getFileHandle(filename, { create: true });
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const writable = await fileHandle.createWritable();
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await writable.write(text);
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await writable.close();
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}
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export async function loadTextFile(path, storage) {
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const root = await getOpfsRoot(storage);
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const parts = splitPath(path);
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let current = root;
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for (const part of parts.slice(0, -1)) {
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current = await current.getDirectoryHandle(part);
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}
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const fileHandle = await current.getFileHandle(parts.at(-1));
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const file = await fileHandle.getFile();
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return file.text();
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}
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