Added "alwaysUseNoneOverZero" formatting option

edge/createFormattingOptions.js

@@ -255,8 +255,20 @@ const schema = {
 			`
 		}
 	},
+	alwaysUseNoneOverZero: {
+		description: 'Replace <code>0</code> (regardless of its unit) with <code>none</code> for <code>border</code> and <code>outline</code> properties, or do nothing.',
+		type: 'boolean',
+		default: false,
+		example: {
+			values: [true, false],
+			code: `
+			.class1
+				border 0px
+			`
+		}
+	},
 	alwaysUseZeroWithoutUnit: {
-		description: 'Replace <code>0px</code>, <code>0%</code>, <code>0em</code> and so on with <code>0</code> without units, or do nothing.',
+		description: 'Replace <code>0</code> (regardless of its unit) with <code>0</code> (without units), or do nothing.',
 		type: 'boolean',
 		default: false,
 		example: {
@@ -268,7 +280,7 @@ const schema = {
 		}
 	},
 	reduceMarginAndPaddingValues: {
-		description: 'Reduce <code>margin</code> and <code>padding</code> duplicate values by converting <code>margin x x x x</code> to <code>margin x</code>, <code>margin x y x y</code> to <code>margin x y</code>, and <code>margin x y y y</code> to <code>margin x y y</code> where <code>x</code>, <code>y</code> is a property value.',
+		description: 'Reduce <code>margin</code> and <code>padding</code> duplicate values by converting <code>margin x x x x</code> to <code>margin x</code>, <code>margin x y x y</code> to <code>margin x y</code>, and <code>margin x y y y</code> to <code>margin x y y</code> where <code>x</code>, <code>y</code> is a unique property value.',
 		type: 'boolean',
 		default: false,
 		example: {

edge/createFormattingOptionsFromStylint.js

@@ -12,6 +12,7 @@ const stylintOptionMap = {
 	'extendPref': value => ['alwaysUseExtends', value === '@extends'],
 	'indentPref': value => value > 0 ? ['tabStopChar', _.repeat(' ', value)] : [],
 	'leadingZero': createAdapterForAlwaysNeverFalse('insertLeadingZeroBeforeFraction'),
+	'none': createAdapterForAlwaysNeverFalse('alwaysUseNoneOverZero'),
 	'parenSpace': createAdapterForAlwaysNeverFalse('insertSpaceInsideParenthesis'),
 	'quotePref': value => value === 'single' && ['quoteChar', '\''] || value === 'double' && ['quoteChar', '"'], // the values "single" and "double" will be converted to "'" and "\"" respectively.
 	'semicolons': createAdapterForAlwaysNeverFalse('insertSemicolons'),

edge/format.js

@@ -326,6 +326,10 @@ function format(content, options = {}) {
 					} else if (propertyValues.length === 4 && propertyValues[0] !== propertyValues[2] && propertyValues[1] === propertyValues[3]) {
 						propertyValues = [propertyValues[0], propertyValues[1], propertyValues[2]]
 					}
+				} else if (propertyName === 'border' || propertyName === 'outline') {
+					if (options.alwaysUseNoneOverZero && propertyValues.length === 1 && /^0(\.0*)?(\w+|\%)?/.test(propertyValues[0])) {
+						propertyValues = ['none']
+					}
 				}
 
 				// Insert the property value(s) without the last portion of comments

spec/createFormattingOptionsFromStylint.js

@@ -14,6 +14,7 @@ describe('createFormattingOptionsFromStylint', () => {
 			insertLeadingZeroBeforeFraction: false,
 			insertSemicolons: false,
 			sortProperties: 'alphabetical',
+			alwaysUseNoneOverZero: false,
 			alwaysUseZeroWithoutUnit: true,
 		}
 

spec/option-always-use-none-over-zero-false/formattingOptions.json

@@ -0,0 +1,4 @@
+{
+	"alwaysUseNoneOverZero": false,
+	"newLineChar": "\r\n"
+}

spec/option-always-use-none-over-zero-false/input.styl

@@ -0,0 +1,6 @@
+body
+  border 0
+  border 0px
+  border none
+  outline 0%
+  outline none

spec/option-always-use-none-over-zero-false/output.styl

@@ -0,0 +1,7 @@
+body {
+	border: 0;
+	border: 0px;
+	border: none;
+	outline: 0%;
+	outline: none;
+}

spec/option-always-use-none-over-zero-true/formattingOptions.json

@@ -0,0 +1,4 @@
+{
+	"alwaysUseNoneOverZero": true,
+	"newLineChar": "\r\n"
+}

spec/option-always-use-none-over-zero-true/input.styl

@@ -0,0 +1,6 @@
+body
+  border 0
+  border 0px
+  border none
+  outline 0%
+  outline none

spec/option-always-use-none-over-zero-true/output.styl

@@ -0,0 +1,7 @@
+body {
+	border: none;
+	border: none;
+	border: none;
+	outline: none;
+	outline: none;
+}