follow-redirects - npm Package Compare versions

Comparing version 1.9.1 to 1.10.0

index.js

@@ -17,2 +17,20 @@ var url = require("url");
 
+// Error types with codes
+var RedirectionError = createErrorType(
+  "ERR_FR_REDIRECTION_FAILURE",
+  ""
+);
+var TooManyRedirectsError = createErrorType(
+  "ERR_FR_TOO_MANY_REDIRECTS",
+  "Maximum number of redirects exceeded"
+);
+var MaxBodyLengthExceededError = createErrorType(
+  "ERR_FR_MAX_BODY_LENGTH_EXCEEDED",
+  "Request body larger than maxBodyLength limit"
+);
+var WriteAfterEndError = createErrorType(
+  "ERR_STREAM_WRITE_AFTER_END",
+  "write after end"
+);
+
 // An HTTP(S) request that can be redirected
@@ -51,3 +69,3 @@ function RedirectableRequest(options, responseCallback) {
   if (this._ending) {
-    throw new Error("write after end");
+    throw new WriteAfterEndError();
   }
@@ -57,3 +75,3 @@
   if (!(typeof data === "string" || typeof data === "object" && ("length" in data))) {
-    throw new Error("data should be a string, Buffer or Uint8Array");
+    throw new TypeError("data should be a string, Buffer or Uint8Array");
   }
@@ -81,3 +99,3 @@ if (typeof encoding === "function") {
   else {
-    this.emit("error", new Error("Request body larger than maxBodyLength limit"));
+    this.emit("error", new MaxBodyLengthExceededError());
     this.abort();
@@ -214,3 +232,3 @@ }
   if (!nativeProtocol) {
-    this.emit("error", new Error("Unsupported protocol " + protocol));
+    this.emit("error", new TypeError("Unsupported protocol " + protocol));
     return;
@@ -304,3 +322,3 @@ }
     if (++this._redirectCount > this._options.maxRedirects) {
-      this.emit("error", new Error("Max redirects exceeded."));
+      this.emit("error", new TooManyRedirectsError());
       return;
@@ -353,3 +371,3 @@ }
     catch (cause) {
-      var error = new Error("Cannot redirect: " + cause.message);
+      var error = new RedirectionError("Redirected request failed: " + cause.message);
       error.cause = cause;
@@ -464,4 +482,16 @@ this.emit("error", error);
 
+function createErrorType(code, defaultMessage) {
+  function CustomError(message) {
+    Error.captureStackTrace(this, this.constructor);
+    this.message = message || defaultMessage;
+  }
+  CustomError.prototype = new Error();
+  CustomError.prototype.constructor = CustomError;
+  CustomError.prototype.name = "Error [" + code + "]";
+  CustomError.prototype.code = code;
+  return CustomError;
+}
+
 // Exports
 module.exports = wrap({ http: http, https: https });
 module.exports.wrap = wrap;

package.json

 {
   "name": "follow-redirects",
-  "version": "1.9.1",
+  "version": "1.10.0",
   "description": "HTTP and HTTPS modules that follow redirects.",
@@ -5,0 +5,0 @@ "license": "MIT",

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Improved metrics

Total package byte prevSize

23170

increased by3.8%

Lines of code

441

increased by6.78%

No dependency changes