Halfway done

node_modules/flat-cache/src/utils.js

@@ -0,0 +1,42 @@
+const fs = require('fs');
+const path = require('path');
+const flatted = require('flatted');
+
+function tryParse(filePath, defaultValue) {
+  let result;
+  try {
+    result = readJSON(filePath);
+  } catch (ex) {
+    result = defaultValue;
+  }
+  return result;
+}
+
+/**
+ * Read json file synchronously using flatted
+ *
+ * @param  {String} filePath Json filepath
+ * @returns {*} parse result
+ */
+function readJSON(filePath) {
+  return flatted.parse(
+    fs.readFileSync(filePath, {
+      encoding: 'utf8',
+    })
+  );
+}
+
+/**
+ * Write json file synchronously using circular-json
+ *
+ * @param  {String} filePath Json filepath
+ * @param  {*} data Object to serialize
+ */
+function writeJSON(filePath, data) {
+  fs.mkdirSync(path.dirname(filePath), {
+    recursive: true,
+  });
+  fs.writeFileSync(filePath, flatted.stringify(data));
+}
+
+module.exports = { tryParse, readJSON, writeJSON };