browser-bunyan - npm Package Compare versions

Comparing version 0.4.0 to 1.0.0-pre

CHANGES.md

 # bunyan Changelog
 
+## 1.0.0
+- Internals reworked. Better modularization, some ES6 features. Packaged with Rollup
+- ES Modules interface.
+
 ## 0.4.0
@@ -4,0 +8,0 @@

dist/browser-bunyan.min.js

@@ -1,6 +0,1 @@
-/**
- * browser-bunyan - 0.4.0
- * A fork of Bunyan specifically for the browser
- * MIT
- */
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e){if(t=this.streams[e],void 0===t)throw new Error("invalid stream index: "+e)}else{for(var s=this.streams.length,i=0;i<s;i++){var n=this.streams[i];if(n.name===e){t=n;break}}if(!t)throw new Error(w('no stream with name "%s"',e))}if(void 0===r)return t.level;var o=f(r);t.level=o,o<this._level&&(this._level=o)},u.prototype._applySerializers=function(e,r){var t=this;Object.keys(this.serializers).forEach(function(s){if(!(void 0===e[s]||r&&r[s]))try{e[s]=t.serializers[s](e[s])}catch(i){o(w('bunyan: ERROR: Exception thrown from the "%s" Bunyan serializer. 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+!function(e,r){"object"==typeof exports&&"undefined"!=typeof module?r(exports):"function"==typeof define&&define.amd?define(["exports"],r):r(e.bunyan={})}(this,function(e){"use strict";function r(e){return"string"==typeof e?h[e.toLowerCase()]:e}function t(e){return void 0===e||null===e?e:Array.isArray(e)?e.slice():"object"===(void 0===e?"undefined":d(e))?Object.assign({},e):e}function i(e){return void 0===e?"undefined":null===e?"null":Array.isArray(e)?"[ "+e.map(function(e){return i(e)}).join(", ")+" ]":"object"===(void 0===e?"undefined":d(e))?JSON.stringify(e):"function"==typeof e?"[Function: "+e.name+"]":"boolean"==typeof e||"number"==typeof e?e:"'"+e.toString()+"'"}function s(e){if("string"!=typeof e){for(var r=new Array(arguments.length),t=0;t<arguments.length;t++)r[t]=i(arguments[t]);return r.join(" ")}for(var s=1,n=arguments,o=n.length,l=String(e).replace(/%[sdj%]/g,function(e){if("%%"===e)return"%";if(s>=o)return e;switch(e){case"%s":return String(n[s++]);case"%d":return 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new(Function.prototype.bind.apply(k,[null].concat(r)))}var h={trace:10,debug:20,info:30,warn:40,error:50,fatal:60},y={};Object.keys(h).forEach(function(e){y[h[e]]=e});var d="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},m=function(e,r){if(!(e instanceof r))throw new TypeError("Cannot call a class as a function")},p=function(){function e(e,r){for(var t=0;t<r.length;t++){var i=r[t];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}return function(r,t,i){return t&&e(r.prototype,t),i&&e(r,i),r}}(),g="call-stack-error",b={},w=function(){function e(){m(this,e)}return 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0;if("number"==typeof e){if(void 0===(i=this.streams[e]))throw new Error("invalid stream index: "+e)}else{for(var n=this.streams.length,o=0;o<n;o++){var l=this.streams[o];if(l.name===e){i=l;break}}if(!i)throw new Error(s('no stream with name "%s"',e))}if(void 0===t)return i.level;var a=r(t);i.level=a,a<this._level&&(this._level=a)}},{key:"_applySerializers",value:function(e,r){var t=this;Object.keys(this.serializers).forEach(function(i){if(!(void 0===e[i]||r&&r[i]))try{e[i]=t.serializers[i](e[i])}catch(r){l(s('bunyan: ERROR: Exception thrown from the "%s" Bunyan serializer. This should never happen. This is a bugin that serializer function.\n%s',i,r.stack||r)),e[i]=s('(Error in Bunyan log "%s" serializer broke field. See stderr for details.)',i)}})}},{key:"_emit",value:function(e,r){var t=void 0;if(void 0===this.haveNonRawStreams)for(this.haveNonRawStreams=!1,t=0;t<this.streams.length;t++)if(!this.streams[t].raw){this.haveNonRawStreams=!0;break}var i=void 0;if(r||this.haveNonRawStreams)try{i=JSON.stringify(e,c())+"\n"}catch(r){var n=r.stack.split(/\n/g,2).join("\n");l('bunyan: ERROR: Exception in `JSON.stringify(rec)`. You can install the "safe-json-stringify" module to have Bunyan fallback to safer stringification. Record:\n'+o(s("%s\n%s",e,r.stack)),n),i=s("(Exception in JSON.stringify(rec): %j. See stderr for details.)\n",r.message)}if(r)return i;var a=e.level;for(t=0;t<this.streams.length;t++){var u=this.streams[t];u.level<=a&&u.stream.write(e)}return i}}]),e}();k.prototype.trace=u(10),k.prototype.debug=u(20),k.prototype.info=u(30),k.prototype.warn=u(40),k.prototype.error=u(50),k.prototype.fatal=u(60);var S={err:function(e){return e&&e.stack?{message:e.message,name:e.name,stack:f(e),code:e.code,signal:e.signal}:e}},z=function(){function e(){var r=(arguments.length>0&&void 0!==arguments[0]?arguments[0]:{}).logByLevel,t=void 0!==r&&r;m(this,e),this.logByLevel=!!t}return p(e,[{key:"write",value:function(e){var r=void 0,t=void 0,i=e.childName?e.name+"/"+e.childName:e.name,s=y[e.level],n=(Array(6-s.length).join(" ")+s).toUpperCase();this.logByLevel?(10===e.level?s="debug":60===e.level&&(s="error"),t="function"==typeof console[s]?console[s]:console.log):t=console.log,r=e.level<20?"color: DeepPink":e.level<30?"color: GoldenRod":e.level<40?"color: DarkTurquoise":e.level<50?"color: Purple":e.level<60?"color: Crimson":"color: Black";var o=function(e,r){return Array(r+1-(e+"").length).join("0")+e},l=[];l.push("[%s:%s:%s:%s] %c%s%c: %s: %c%s %c%s"),l.push(o(e.time.getHours(),2)),l.push(o(e.time.getMinutes(),2)),l.push(o(e.time.getSeconds(),2)),l.push(o(e.time.getMilliseconds(),4)),l.push(r),l.push(n),l.push("color: DimGray"),l.push(i),l.push("color: SteelBlue"),l.push(e.msg),e.src&&(l.push("color: DimGray; font-style: italic; font-size: 0.9em"),l.push(e.src)),t.apply(console,l),e.err&&e.err.stack&&t.call(console,"%c%s,",r,e.err.stack),e.obj&&t.call(console,e.obj)}}]),e}();e.TRACE=10,e.DEBUG=20,e.INFO=30,e.WARN=40,e.ERROR=50,e.FATAL=60,e.resolveLevel=r,e.levelFromName=h,e.nameFromLevel=y,e.stdSerializers=S,e.Logger=k,e.createLogger=v,e.safeCycles=c,e.ConsoleFormattedStream=z,e.ConsoleRawStream=w,Object.defineProperty(e,"__esModule",{value:!0})});

package.json

 {
   "name": "browser-bunyan",
-  "version": "0.4.0",
-  "description": "A fork of Bunyan specifically for the browser",
+  "version": "1.0.0-pre",
+  "description": "Bunyan logging specifically for the browser",
   "author": "Phil Mander <[e-mail]>",
-  "main": "./lib/bunyan.js",
+  "main": "./lib/index.js",
   "repository": {
@@ -18,16 +18,26 @@ "type": "git",
   ],
-  "scripts" : {
-    "test" : "node_modules/nodeunit/bin/nodeunit test/*.test.js"
+  "scripts": {
+    "lint": "eslint src",
+    "prepublish": "npm run lint && npm test && npm run build",
+    "build": "babel src --out-dir lib && rollup -c",
+    "test": "babel-tap test/*.test.js"
   },
   "devDependencies": {
-    "browserify": "^9.0.4",
-    "del": "^1.1.1",
-    "gulp": "^3.8.11",
-    "gulp-insert": "^0.5.0",
-    "gulp-jshint": "^1.10.0",
-    "gulp-rename": "^1.2.2",
-    "gulp-uglify": "^1.1.0",
-    "nodeunit": "^0.10.2",
-    "verror": "^1.8.1",
-    "vinyl-source-stream": "^1.1.0"
+    "babel-cli": "^6.26.0",
+    "babel-core": "^6.25.0",
+    "babel-eslint": "^7.2.3",
+    "babel-loader": "^6.4.1",
+    "babel-plugin-external-helpers": "^6.22.0",
+    "babel-plugin-module-resolver": "^2.7.1",
+    "babel-plugin-transform-decorators-legacy": "^1.3.4",
+    "babel-plugin-transform-react-jsx": "^6.24.1",
+    "babel-preset-env": "^1.5.2",
+    "babel-tap": "^5.0.0",
+    "eslint": "^4.5.0",
+    "rollup": "^0.52.0",
+    "rollup-plugin-babel": "^3.0.2",
+    "rollup-plugin-commonjs": "^8.2.6",
+    "rollup-plugin-node-resolve": "^3.0.0",
+    "rollup-plugin-uglify": "^2.0.1",
+    "rollup-plugin-uglify-es": "0.0.1"
   },
@@ -37,5 +47,10 @@ "licenses": [
       "type": "MIT",
-      "url": "https://github.com/philmander/browser-bunyan/blob/master/LICENSE.txt"
+      "url": "https://github.com/philmander/browser-bunyan/blob/master/LICENSE"
     }
-  ]
+  ],
+  "babel": {
+    "presets": [
+      "env"
+    ]
+  }
 }

README.md

 [![Build Status](https://travis-ci.org/philmander/browser-bunyan.svg?branch=master)](https://travis-ci.org/philmander/browser-bunyan)
 
-I created this project because I wanted a version of, the awesome logging framework, Bunyan specifically for the 
-browser. Although Bunyan does support being browserified, it is still a bit bloated with 
-features which aren't relevant in a browser environment.
+This package is an adaptation of, the Node logging library, [Bunyan](https://github.com/trentm/node-bunyan) but specifically for the browser.
 
+Although Bunyan does support being [Browserified](https://github.com/trentm/node-bunyan#browserify), it is still a bit bloated with
+features which aren't relevant in a browser environment.  You can expect a Browserified and Gzipped `node-bunyan` to
+be around **27kb** whereas `browser-bunyan` is < **4kb**, including its built-in log streams. With ES Modules and
+tree-shaking this can be reduced further.
+
 ## Install
 
-Install with NPM or Bower respectively:
-
-`
+```
 npm install browser-bunyan --save
-`
+```
 
-`
-bower install browser-bunyan --save
-`
-
 or just copy the script from this repository's `/dist` directory.
@@ -23,16 +20,32 @@
 
-To use as a **global**, include as a standard script tag:
+### Import
 
-`<script src=node_modules/browser-bunyan/dist/browser-bunyan.min.js></script>`
+You can access Browser Bunyan's API using:
 
-now `bunyan` will be available on the `window` object
+#### ES modules:
 
-Or, to use with **Browserify** or **Webpack**:
+```javascript
+import { createLogger } from 'browser-bunyan';
+```
 
-`
-var bunyan = require('browser-bunyan');
-`
+#### CommonJS
 
-Naturally, Browser Bunyan can also be *imported* using ES6 module syntax or used with an AMD loader.
+```javascript
+const { createLogger } = require('browser-bunyan');
+```
 
+#### Browser global
+
+To use as a **global**, include as a standard script tag:
+
+```html
+<script src=node_modules/browser-bunyan/dist/browser-bunyan.min.js></script>
+```
+
+now `bunyan` will be available as a global.
+
+```javascript
+const log = bunyan.createLogger(...);
+```
+
 ### Built-in Log Streams
@@ -45,11 +58,13 @@
 ```javascript
-var log = bunyan.createLogger({
+import { createLogger, ConsoleFormattedStream, INFO, stdSerializers } from 'browser-bunyan';
+
+const log = createLogger({
     name: 'myLogger',
     streams: [
         {
-            level: 'info',
-            stream: new bunyan.ConsoleFormattedStream()
+            level: INFO, // or use the string 'info'
+            stream: new ConsoleFormattedStream()
         }
     ],
-    serializers: bunyan.stdSerializers,
+    serializers: stdSerializers,
     src: true
@@ -71,7 +86,9 @@ });
 ```javascript
-var log = bunyan.createLogger({
+import { createLogger, ConsoleRawStream, INFO } from 'browser-bunyan';
+
+const log = createLogger({
     name: 'myLogger',
     stream: {
-        level: 'info',
-        stream: new bunyan.ConsoleRawStream()
+        level: INFO,
+        stream: new ConsoleRawStream()
     }
@@ -81,2 +98,34 @@ });
 
+### Conditional logging
+
+If a stream's log level is set to `info` then `debug` and `trace` messages will not be
+logged. So this is fine:
+
+```
+logger.debug('Sent fetch request');
+```
+
+However, if you need to do some computation which is passed to your logger statement
+in `debug`, then this is inefficient if the log level is higher than 'debug'.
+Therefore you should conditionally execute the logger statement:
+
+```javascript
+import { DEBUG, createLogger, ConsoleRawStream } from 'browser-bunyan';
+const log = createLogger({
+    name: 'myLogger',
+    stream: {
+        level,
+        stream: new ConsoleRawStream()
+    }
+});
+
+// do some stuff
+const req = fetchStuff();
+
+if(log.level() <= DEBUG) {
+    log.debug('Make fetch request');
+    log.debug(JSON.stringify(req));
+}
+```
+
 #### Custom log streams
@@ -86,3 +135,3 @@
 
-### Angular integration:
+### Angular 1.x integration:
 
@@ -649,4 +698,2 @@ Integrate with Angular's log provider:
 
-
-
 # Versioning
@@ -653,0 +700,0 @@

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