http-errors - npm Package Compare versions

Comparing version 1.7.3 to 1.8.0

HISTORY.md

@@ -0,1 +1,7 @@
[phone] / 1.8.0
+==================
+
+  * Add `isHttpError` export to determine if value is an HTTP error
+  * deps: setprototypeof@1.2.0
+
 2019-06-24 / 1.7.3
@@ -2,0 +8,0 @@ ==================

index.js

@@ -28,2 +28,3 @@ /*!
 module.exports.HttpError = createHttpErrorConstructor()
+module.exports.isHttpError = createIsHttpErrorFunction(module.exports.HttpError)
 
@@ -134,3 +135,3 @@ // Populate exports for all constructors
 function createClientErrorConstructor (HttpError, name, code) {
-  var className = name.match(/Error$/) ? name : name + 'Error'
+  var className = toClassName(name)
 
@@ -178,2 +179,23 @@ function ClientError (message) {
 /**
+ * Create function to test is a value is a HttpError.
+ * @private
+ */
+
+function createIsHttpErrorFunction (HttpError) {
+  return function isHttpError (val) {
+    if (!val || typeof val !== 'object') {
+      return false
+    }
+
+    if (val instanceof HttpError) {
+      return true
+    }
+
+    return val instanceof Error &&
+      typeof val.expose === 'boolean' &&
+      typeof val.statusCode === 'number' && val.status === val.statusCode
+  }
+}
+
+/**
  * Create a constructor for a server error.
@@ -184,3 +206,3 @@ * @private
 function createServerErrorConstructor (HttpError, name, code) {
-  var className = name.match(/Error$/) ? name : name + 'Error'
+  var className = toClassName(name)
 
@@ -271,1 +293,12 @@ function ServerError (message) {
 }
+
+/**
+ * Get a class name from a name identifier.
+ * @private
+ */
+
+function toClassName (name) {
+  return name.substr(-5) !== 'Error'
+    ? name + 'Error'
+    : name
+}

package.json

 {
   "name": "http-errors",
   "description": "Create HTTP error objects",
-  "version": "1.7.3",
+  "version": "1.8.0",
   "author": "Jonathan Ong <[e-mail]> (http://jongleberry.com)",
@@ -15,3 +15,3 @@ "contributors": [
     "inherits": "2.0.4",
-    "setprototypeof": "1.1.1",
+    "setprototypeof": "1.2.0",
     "statuses": ">= 1.5.0 < 2",
@@ -21,11 +21,11 @@ "toidentifier": "1.0.0"
   "devDependencies": {
-    "eslint": "5.16.0",
-    "eslint-config-standard": "12.0.0",
-    "eslint-plugin-import": "2.18.0",
-    "eslint-plugin-markdown": "1.0.0",
-    "eslint-plugin-node": "8.0.1",
-    "eslint-plugin-promise": "4.1.1",
-    "eslint-plugin-standard": "4.0.0",
-    "istanbul": "0.4.5",
-    "mocha": "6.1.4"
+    "eslint": "6.8.0",
+    "eslint-config-standard": "14.1.1",
+    "eslint-plugin-import": "2.22.0",
+    "eslint-plugin-markdown": "1.0.2",
+    "eslint-plugin-node": "11.1.0",
+    "eslint-plugin-promise": "4.2.1",
+    "eslint-plugin-standard": "4.0.1",
+    "mocha": "8.0.1",
+    "nyc": "15.1.0"
   },
@@ -38,4 +38,4 @@ "engines": {
     "test": "mocha --reporter spec --bail",
-    "test-cov": "istanbul cover node_modules/mocha/bin/_mocha -- --reporter dot",
-    "test-travis": "istanbul cover node_modules/mocha/bin/_mocha --report lcovonly -- --reporter dot"
+    "test-ci": "nyc --reporter=text npm test",
+    "test-cov": "nyc --reporter=html --reporter=text npm test"
   },
@@ -42,0 +42,0 @@ "keywords": [

README.md

@@ -91,2 +91,10 @@ # http-errors
 
+### createError.isHttpError(val)
+
+Determine if the provided `val` is an `HttpError`. This will return `true`
+if the error inherits from the `HttpError` constructor of this module or
+matches the "duck type" for an error this module creates. All outputs from
+the `createError` factory will return `true` for this function, including
+if an non-`HttpError` was passed into the factory.
+
 ### new createError\[code || name\](\[msg]\))
@@ -93,0 +101,0 @@

No alert changes

Improved metrics

Total package byte prevSize

18238

increased by6.34%

Lines of code

242

increased by12.56%

Number of lines in readme file

172

increased by4.88%

Dependency changes

• + Addedsetprototypeof@1.2.0(transitive)

• - Removedsetprototypeof@1.1.1(transitive)

• Updatedsetprototypeof@1.2.0