fatsify核心功能示例测试!!!

node_modules/fast-querystring/lib/stringify.js

@@ -0,0 +1,69 @@
+"use strict";
+
+const { encodeString } = require("./internals/querystring");
+
+function getAsPrimitive(value) {
+  const type = typeof value;
+
+  if (type === "string") {
+    // Length check is handled inside encodeString function
+    return encodeString(value);
+  } else if (type === "bigint") {
+    return value.toString();
+  } else if (type === "boolean") {
+    return value ? "true" : "false";
+  } else if (type === "number" && Number.isFinite(value)) {
+    return value < 1e21 ? "" + value : encodeString("" + value);
+  }
+
+  return "";
+}
+
+/**
+ * @param {Record<string, string | number | boolean
+ * | ReadonlyArray<string | number | boolean> | null>} input
+ * @returns {string}
+ */
+function stringify(input) {
+  let result = "";
+
+  if (input === null || typeof input !== "object") {
+    return result;
+  }
+
+  const separator = "&";
+  const keys = Object.keys(input);
+  const keyLength = keys.length;
+  let valueLength = 0;
+
+  for (let i = 0; i < keyLength; i++) {
+    const key = keys[i];
+    const value = input[key];
+    const encodedKey = encodeString(key) + "=";
+
+    if (i) {
+      result += separator;
+    }
+
+    if (Array.isArray(value)) {
+      valueLength = value.length;
+      for (let j = 0; j < valueLength; j++) {
+        if (j) {
+          result += separator;
+        }
+
+        // Optimization: Dividing into multiple lines improves the performance.
+        // Since v8 does not need to care about the '+' character if it was one-liner.
+        result += encodedKey;
+        result += getAsPrimitive(value[j]);
+      }
+    } else {
+      result += encodedKey;
+      result += getAsPrimitive(value);
+    }
+  }
+
+  return result;
+}
+
+module.exports = stringify;