style: remove "use strict" directive from modules and tidy comments

Removing "use strict" directive since ES6 modules will always be
in strict mode.

Also, webpack and other build tools will automatically add the
directive during compilation.

Remove and tidy some comments and fix broken links.

Author: remarkablemark

index.js

@@ -1,8 +1,3 @@
-'use strict';
-
-/**
- * Module dependencies.
- */
 var domToReact = require('./lib/dom-to-react');
 var htmlToDOM = require('html-dom-parser');
 

lib/attributes-to-props.js

@@ -1,19 +1,14 @@
-'use strict';
-
-/**
- * Module dependencies.
- */
-var utilities = require('./utilities');
+var DOMProperty = require('react-dom-core/lib/DOMProperty');
 var propertyConfig = require('./property-config');
 var styleToObject = require('style-to-object');
+var utilities = require('./utilities');
+
 var config = propertyConfig.config;
 var isCustomAttribute = propertyConfig.HTMLDOMPropertyConfig.isCustomAttribute;
-
-var DOMProperty = require('react-dom-core/lib/DOMProperty');
 DOMProperty.injection.injectDOMPropertyConfig(propertyConfig.HTMLDOMPropertyConfig);
 
 /**
- * Make attributes compatible with React props.
+ * Makes attributes compatible with React props.
  *
  * @param  {Object} attributes - The attributes.
  * @return {Object}            - The props.
@@ -56,21 +51,19 @@ function attributesToProps(attributes) {
     if (attributes.style != null) {
         props.style = cssToJs(attributes.style);
     }
-
     return props;
 }
 
 /**
- * Convert CSS style string to JS style object.
+ * Converts CSS style string to JS style object.
  *
  * @param  {String} style - The CSS style.
  * @return {Object}       - The JS style object.
  */
 function cssToJs(style) {
     if (typeof style !== 'string') {
-        throw new Error('`cssToJs`: first argument must be a string. ');
+        throw new TypeError('First argument must be a string.');
     }
-
     var styleObj = {};
 
     styleToObject(style, function(propName, propValue) {
@@ -79,11 +72,7 @@ function cssToJs(style) {
             styleObj[utilities.camelCase(propName)] = propValue;
         }
     });
-
     return styleObj;
 }
 
-/**
- * Export attributes to props helper.
- */
 module.exports = attributesToProps;

lib/dom-to-react.js

@@ -1,13 +1,8 @@
-'use strict';
-
-/**
- * Module dependencies.
- */
 var React = require('react');
 var attributesToProps = require('./attributes-to-props');
 
 /**
- * Convert DOM nodes to React elements.
+ * Converts DOM nodes to React elements.
  *
  * @param  {Array}    nodes             - The DOM nodes.
  * @param  {Object}   [options]         - The additional options.
@@ -63,7 +58,7 @@ function domToReact(nodes, options) {
 
         } else if (node.type === 'tag') {
             // setting textarea value in children is an antipattern in React
-            // https://facebook.github.io/react/docs/forms.html#why-textarea-value
+            // https://reactjs.org/docs/forms.html#the-textarea-tag
             if (node.name === 'textarea' && node.children[0]) {
                 props.defaultValue = node.children[0].data;
 
@@ -88,14 +83,7 @@ function domToReact(nodes, options) {
         );
     }
 
-    if (result.length === 1) {
-        return result[0];
-    } else {
-        return result;
-    }
+    return result.length === 1 ? result[0] : result;
 }
 
-/**
- * Export DOM to React parser.
- */
 module.exports = domToReact;

lib/property-config.js

@@ -1,13 +1,6 @@
-'use strict';
-
-/**
- * Module dependencies.
- */
-var utilities = require('./utilities');
-
-// HTML and SVG DOM Property Configs
 var HTMLDOMPropertyConfig = require('react-dom-core/lib/HTMLDOMPropertyConfig');
 var SVGDOMPropertyConfig = require('react-dom-core/lib/SVGDOMPropertyConfig');
+var utilities = require('./utilities');
 
 var config = {
     html: {},
@@ -18,7 +11,8 @@ var propertyName;
 
 /**
  * HTML DOM property config.
- * https://github.com/facebook/react/blob/master/src/renderers/dom/shared/HTMLDOMPropertyConfig.js
+ *
+ * https://github.com/facebook/react/blob/15-stable/src/renderers/dom/shared/HTMLDOMPropertyConfig.js
  */
 
 // first map out the HTML attribute names
@@ -36,7 +30,8 @@ for (propertyName in HTMLDOMPropertyConfig.Properties) {
 
 /**
  * SVG DOM property config.
- * https://github.com/facebook/react/blob/master/src/renderers/dom/shared/SVGDOMPropertyConfig.js
+ *
+ * https://github.com/facebook/react/blob/15-stable/src/renderers/dom/shared/SVGDOMPropertyConfig.js
  */
 
 // first map out the SVG attribute names
@@ -52,9 +47,6 @@ for (propertyName in SVGDOMPropertyConfig.Properties) {
     config.html[propertyName] = propertyName;
 }
 
-/**
- * Export property configs.
- */
 module.exports = {
     config: config,
     HTMLDOMPropertyConfig: HTMLDOMPropertyConfig,

lib/utilities.js

@@ -1,21 +1,23 @@
-'use strict';
-
-var _hyphenPattern = /-(.)/g;
+var hyphenPatternRegex = /-([a-z])/g;
 
 /**
- * Convert a string to camel case.
+ * Converts a string to camelCase.
  *
  * @param  {String} string - The string.
  * @return {String}
  */
 function camelCase(string) {
-    if (typeof string !== 'string') { // null is an object
+    if (typeof string !== 'string') {
         throw new TypeError('First argument must be a string');
     }
-    if(string.indexOf('-') < 0) {
+
+    // no hyphen found
+    if (string.indexOf('-') === -1) {
         return string;
     }
-    return string.toLowerCase().replace(_hyphenPattern, function(_, character) {
+
+    // convert to camelCase
+    return string.toLowerCase().replace(hyphenPatternRegex, function(_, character) {
         return character.toUpperCase();
     });
 }
@@ -28,7 +30,7 @@ function camelCase(string) {
  * @return {Object}              - The inverted object.
  */
 function invertObject(obj, override) {
-    if (typeof obj !== 'object' || !obj) { // null is an object
+    if (!obj || typeof obj !== 'object') {
         throw new TypeError('First argument must be an object');
     }
 
@@ -57,9 +59,6 @@ function invertObject(obj, override) {
     return result;
 }
 
-/**
- * Export utilties.
- */
 module.exports = {
     camelCase: camelCase,
     invertObject: invertObject