Add prettier

Author: ctavan

README.md

@@ -96,12 +96,11 @@ Return a list of environment variables based on a `spec`:
 
 ```javascript
 var config = getenv.multi({
-  foo: "FOO", // throws if FOO doesn't exist
-  bar: ["BAR", "defaultval"], // set a default value
-  baz: ["BAZ", "defaultval", "string"], // parse into type
-  quux: ["QUUX", undefined, "int"] // parse & throw
+  foo: 'FOO', // throws if FOO doesn't exist
+  bar: ['BAR', 'defaultval'], // set a default value
+  baz: ['BAZ', 'defaultval', 'string'], // parse into type
+  quux: ['QUUX', undefined, 'int'], // parse & throw
 });
-
 ```
 
 ### env.url(name, [fallback])
@@ -130,7 +129,7 @@ if (process.env.NODE_ENV === 'production') {
 
 ```javascript
 getenv.disableErrors();
-console.log(getenv("RANDOM"));
+console.log(getenv('RANDOM'));
 // undefined
 ```
 
@@ -140,32 +139,38 @@ Revert the effect of `disableErrors()`.
 
 ```javascript
 getenv.disableErrors();
-console.log(getenv("RANDOM"));
+console.log(getenv('RANDOM'));
 // undefined
 
 getenv.enableErrors();
-console.log(getenv("RANDOM"));
+console.log(getenv('RANDOM'));
 // Error: GetEnv.Nonexistent: RANDOM does not exist and no fallback value provided.
 ```
 
 ## Changelog
 
 ### v0.6.0
+
 - Added getenv.boolish() support.
 
 ### v0.5.0
+
 - Add getenv.url() support.
 
 ### v0.4.0
+
 - Add getenv.disableFallbacks() support.
 
 ### v0.3.0
+
 - Add getenv.multi() support.
 
 ### v0.2.0
+
 - Rename git repository
 
 ### v0.1.0
+
 - Initial release
 
 ## Authors

index.js

@@ -1,5 +1,5 @@
-var util = require("util");
-var url = require("url");
+var util = require('util');
+var url = require('url');
 
 var fallbacksDisabled = false;
 var throwError = true;
@@ -11,12 +11,17 @@ function _value(varName, fallback) {
       return value;
     }
     if (fallback === undefined) {
-      throw new Error('GetEnv.Nonexistent: ' + varName + ' does not exist ' +
-                      'and no fallback value provided.');
+      throw new Error(
+        'GetEnv.Nonexistent: ' + varName + ' does not exist ' + 'and no fallback value provided.'
+      );
     }
     if (fallbacksDisabled) {
-      throw new Error('GetEnv.DisabledFallbacks: ' + varName + ' relying on fallback ' +
-                      'when fallbacks have been disabled');
+      throw new Error(
+        'GetEnv.DisabledFallbacks: ' +
+          varName +
+          ' relying on fallback ' +
+          'when fallbacks have been disabled'
+      );
     }
     return '' + fallback;
   }
@@ -36,7 +41,7 @@ var convert = {
     return +value;
   },
   float: function(value) {
-    var isInfinity = (+value === Infinity || +value === -Infinity);
+    var isInfinity = +value === Infinity || +value === -Infinity;
     if (isInfinity) {
       throw new Error('GetEnv.Infinity: ' + value + ' is set to +/-Infinity.');
     }
@@ -49,39 +54,40 @@ var convert = {
     return +value;
   },
   bool: function(value) {
-    var isBool = (value === 'true' || value === 'false');
+    var isBool = value === 'true' || value === 'false';
     if (!isBool) {
       throw new Error('GetEnv.NoBoolean: ' + value + ' is not a boolean.');
     }
 
-    return (value === 'true')
+    return value === 'true';
   },
   boolish: function(value) {
     try {
-      return convert.bool(value)
-    }
-    catch(err) {
-      var isBool = (value === '1' || value === '0');
+      return convert.bool(value);
+    } catch (err) {
+      var isBool = value === '1' || value === '0';
       if (!isBool) {
         throw new Error('GetEnv.NoBoolean: ' + value + ' is not a boolean.');
       }
 
-      return (value === '1');
+      return value === '1';
     }
   },
-  url: url.parse
+  url: url.parse,
 };
 
 function converter(type) {
   return function(varName, fallback) {
-    if(typeof varName == 'string') { // default
+    if (typeof varName == 'string') {
+      // default
       var value = _value(varName, fallback);
       return convert[type](value);
-    } else { // multibert!
+    } else {
+      // multibert!
       return getenv.multi(varName);
     }
   };
-};
+}
 
 var getenv = converter('string');
 
@@ -101,22 +107,25 @@ getenv.array = function array(varName, type, fallback) {
 getenv.multi = function multi(spec) {
   var key, value;
   var result = {};
-  for(var key in spec) {
+  for (var key in spec) {
     var value = spec[key];
-    if(util.isArray(value)) { // default value & typecast
-      switch(value.length) {
+    if (util.isArray(value)) {
+      // default value & typecast
+      switch (value.length) {
         case 1: // no default value
         case 2: // no type casting
           result[key] = getenv(value[0], value[1]); // dirty, when case 1: value[1] is undefined
-        break;
+          break;
         case 3: // with typecast
           result[key] = getenv[value[2]](value[0], value[1]);
           break;
-        default: // wtf?
-          throw('getenv.multi(): invalid spec');
+        default:
+          // wtf?
+          throw 'getenv.multi(): invalid spec';
           break;
       }
-    } else { // value or throw
+    } else {
+      // value or throw
       result[key] = getenv(value);
     }
   }

package.json

@@ -17,13 +17,16 @@
   },
   "main": "index.js",
   "scripts": {
+    "prettier": "prettier --write *.{js,md} **/*.js",
     "test": "make test"
   },
   "engines": {
     "node": ">=6"
   },
   "dependencies": {},
-  "devDependencies": {},
+  "devDependencies": {
+    "prettier": "^1.18.2"
+  },
   "keywords": [
     "env",
     "environment",

prettier.config.js

@@ -0,0 +1,6 @@
+module.exports = {
+  arrowParens: 'always',
+  printWidth: 100,
+  singleQuote: true,
+  trailingComma: 'es5',
+};

test/disableErrors.js

@@ -10,13 +10,13 @@ tests['getenv.disableErrors() should disable any errors'] = function() {
   assert(getenv.string('url'), undefined);
 };
 
-tests['getenv.enableErrors() should enable errors'] = function () {
+tests['getenv.enableErrors() should enable errors'] = function() {
   getenv.enableErrors();
   assert.throws(function() {
     getenv.string('url');
   });
   assert.strictEqual(getenv.string('url', 'http://localhost'), 'http://localhost');
-}
+};
 
 Object.keys(tests).forEach(function(key) {
   console.log('Test: %s', key);

test/fallbacks.js

@@ -13,7 +13,6 @@ tests['getenv.disableFallbacks() makes relying on fallbacks an error'] = functio
   getenv.enableFallbacks();
 };
 
-
 Object.keys(tests).forEach(function(key) {
   console.log('Test: %s', key);
   tests[key]();