new-error - npm Package Compare versions

Comparing version 1.0.12 to 1.0.13

build/error-types/BaseError.d.ts

@@ -15,4 +15,11 @@ import ExtendableError from 'es6-error';
     protected _metadata: Record<string, any>;
+    protected _logLevel: string | number;
     constructor(message: string);
     /**
+     * Assign a log level to the error. Useful if you want to
+     * determine which log level to use when logging the error.
+     * @param {string|number} logLevel
+     */
+    withLogLevel(logLevel: string | number): this;
+    /**
      * Set an error id used to link back to the specific error
@@ -38,2 +45,6 @@ * @param errId
     /**
+     * Gets the log level assigned to the error
+     */
+    getLogLevel(): string | number;
+    /**
      * Get the instance-specific error id
@@ -40,0 +51,0 @@ */

build/error-types/BaseError.js

@@ -19,2 +19,11 @@ "use strict";
     /**
+     * Assign a log level to the error. Useful if you want to
+     * determine which log level to use when logging the error.
+     * @param {string|number} logLevel
+     */
+    withLogLevel(logLevel) {
+        this._logLevel = logLevel;
+        return this;
+    }
+    /**
      * Set an error id used to link back to the specific error
@@ -52,2 +61,8 @@ * @param errId
     /**
+     * Gets the log level assigned to the error
+     */
+    getLogLevel() {
+        return this._logLevel;
+    }
+    /**
      * Get the instance-specific error id
@@ -54,0 +69,0 @@ */

build/error-types/BaseRegistryError.js

@@ -15,2 +15,5 @@ "use strict";
         }
+        if (highLevelErrorDef.logLevel) {
+            this.withLogLevel(highLevelErrorDef.logLevel);
+        }
         if (lowLevelErrorDef.statusCode) {
@@ -25,2 +28,5 @@ this.withStatusCode(lowLevelErrorDef.statusCode);
         }
+        if (lowLevelErrorDef.logLevel) {
+            this.withLogLevel(lowLevelErrorDef.logLevel);
+        }
     }
@@ -27,0 +33,0 @@ }

build/interfaces.d.ts

@@ -15,2 +15,9 @@ /**
     statusCode?: string | number;
+    /**
+     * A log level to associate with this error type since not all errors
+     * may be considered an 'error' log level type when combined with
+     * a logger. Used as the default if a Low Level Error log level
+     * is not defined.
+     */
+    logLevel?: string | number;
 }
@@ -45,2 +52,8 @@ /**
     statusCode?: string | number;
+    /**
+     * A log level to associate with this error type since not all errors
+     * may be considered an 'error' log level type when combined with
+     * a logger.
+     */
+    logLevel?: string | number;
 }
@@ -75,2 +88,7 @@ /**
     /**
+     * Gets the log level assigned to the error. If a low level code
+     * has a log level defined, it will be used over the high level one.
+     */
+    getLogLevel(): string | number;
+    /**
      * Returns the high level error code
@@ -147,2 +165,8 @@ */
     /**
+     * Assign a log level to the error. Useful if you want to
+     * determine which log level to use when logging the error.
+     * @param {string|number} logLevel
+     */
+    withLogLevel(logLevel: string | number): this;
+    /**
      * Returns a json representation of the error. Assume the data
@@ -149,0 +173,0 @@ * contained is for internal purposes only as it contains the stack trace.

CHANGELOG.md

@@ -0,1 +1,9 @@
+## 1.0.13 - Sat Jun 20 2020 03:22:14
+
+**Contributor:** Theo Gravity
+
+- Update README.md [skip ci]
+
+Add another example for log level.
+
 ## 1.0.12 - Wed Jun 03 2020 03:54:55
@@ -2,0 +10,0 @@

package.json

 {
   "name": "new-error",
-  "version": "1.0.12",
+  "version": "1.0.13",
   "description": "A production-grade error creation and serialization library designed for Typescript",
@@ -5,0 +5,0 @@ "main": "build/index.js",

README.md

@@ -32,2 +32,3 @@ # new-error
 - [Example Express Integration](#example-express-integration)
+- [Working with log levels](#working-with-log-levels)
 - [Error Registry API](#error-registry-api)
@@ -109,5 +110,12 @@ - [Creating errors](#creating-errors)
     * (optional) Protocol-specific status code, such as an HTTP status code. Used as the
-    * default if a Low Level Error status code is not specified or defined.
+    * default if a Low Level Error status code is not defined.
     */
-    statusCode: 500
+    statusCode: 500,
+    /**
+     * (optional) Log level string / number to associate with this error.
+     * Useful if you want to use your logging system to log the error but
+     * assign a different log level for it. Used as the default if a
+     * Low Level log level is not defined.
+     */
+    logLevel: 'error'
   }
@@ -135,3 +143,9 @@ }
      */
-    statusCode: 500
+    statusCode: 500,
+    /**
+     * (optional) Log level string / number to associate with this error.
+     * Useful if you want to use your logging system to log the error but
+     * assign a different log level for it.
+     */
+    logLevel: 'error'
   }
@@ -206,3 +220,4 @@ }
   subCode: 'DB_0001',
-  statusCode: 500
+  statusCode: 500,
+  logLevel: 'error'
 })
@@ -230,2 +245,3 @@
   .withStatusCode(500)
+  .withLogLevel('error')
 
@@ -320,3 +336,42 @@ console.log(err.formatMessage('SQL_1234').toJSON())
 
+# Working with log levels
 
+You might want to use a different log level when logging common errors, such as validation errors.
+
+```typescript
+import { ErrorRegistry } from 'new-error'
+
+const errors = {
+  VALIDATION_ERROR: {
+    className: 'ValidationError',
+    code: 'VALIDATION_ERROR',
+    statusCode: 400,
+    // probably don't want to log every validation error
+    // in production since these errors tend to happen frequently
+    // and would pollute the logs
+    logLevel: 'debug'
+  }
+}
+
+const errorCodes = {
+  MISSING_FORM_FIELDS: {
+    message: 'Form submission data is missing fields',
+    subCode: 'MISSING_FORM_FIELDS',
+    statusCode: 400
+  }
+}
+
+const errRegistry = new ErrorRegistry(errors, errorCodes)
+
+// some part of the application throws the error
+const err = errRegistry.newError('VALIDATION_ERROR', 'MISSING_FORM_FIELDS')
+
+// another part of the application catches the error
+if (err.getLogLevel() === 'debug') {
+  console.debug(JSON.stringify(err.toJSON(), null, 2))
+} else {
+  console.error(JSON.stringify(err.toJSON(), null, 2))
+}
+```
+
 # Error Registry API
@@ -404,2 +459,3 @@
 - `BaseError#getSafeMetadata()`
+- `BaseError#getLogLevel()`
 
@@ -414,2 +470,3 @@ ## Basic setters
 - `BaseError#withErrorSubCode(code: string | number): this`
+- `BaseError#withLogLevel(level: string | number): this`
 
@@ -416,0 +473,0 @@ ## Set an error id

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Improved metrics

Total package byte prevSize

57074

increased by7.83%

Lines of code

778

increased by7.76%

Number of lines in readme file

647

increased by9.66%

No dependency changes