initial commit

node_modules/fs-memo/dist/index.d.ts

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+interface MemoOptions {
+    dir: string;
+    name: string;
+    file: string;
+}
+declare function getMemo(config: Partial<MemoOptions>): Promise<any>;
+declare function setMemo(memo: object, config: Partial<MemoOptions>): Promise<void>;
+
+export { getMemo, setMemo };

node_modules/fs-memo/dist/index.js

@@ -0,0 +1,56 @@
+'use strict';
+
+Object.defineProperty(exports, '__esModule', { value: true });
+
+const fs = require('fs');
+const path = require('path');
+
+const _memo = {
+  _pid: process.pid
+};
+async function getMemo(config) {
+  const options = getOptions(config);
+  try {
+    const memo = JSON.parse(await fs.promises.readFile(options.file, "utf-8")) || {};
+    if (!memo._pid) {
+      throw new Error("Memo lacks _pid");
+    }
+    if (memo._pid === _memo._pid || !isAlive(memo.pid)) {
+      Object.assign(_memo, memo);
+      _memo._pid = process.pid;
+    }
+  } catch (e) {
+  }
+  return _memo;
+}
+async function setMemo(memo, config) {
+  const options = getOptions(config);
+  Object.assign(_memo, memo);
+  _memo._pid = process.pid;
+  try {
+    await fs.promises.mkdir(options.dir);
+  } catch (e) {
+  }
+  try {
+    await fs.promises.writeFile(options.file, JSON.stringify(_memo), "utf-8");
+  } catch (e) {
+  }
+}
+function getOptions(config) {
+  const options = {...config};
+  options.name = options.name || "default";
+  options.dir = options.dir || path.resolve(process.cwd(), "node_modules/.cache/fs-memo");
+  options.file = options.file || path.resolve(options.dir, options.name + ".json");
+  return options;
+}
+function isAlive(pid) {
+  try {
+    process.kill(pid, 0);
+    return true;
+  } catch (e) {
+    return e.code === "EPERM";
+  }
+}
+
+exports.getMemo = getMemo;
+exports.setMemo = setMemo;