Commit fdbc44737963f598a4c4f70f72ab9b6c11df04f4

Michael Schmidt 2020-05-19T01:52:38

CSS Extras: Optimized `class` and `id` patterns (#2359)

diff --git a/components/prism-css-extras.js b/components/prism-css-extras.js
index f62c47b..cb71eb4 100644
--- a/components/prism-css-extras.js
+++ b/components/prism-css-extras.js
@@ -8,8 +8,8 @@
 		inside: selectorInside = {
 			'pseudo-element': /:(?:after|before|first-letter|first-line|selection)|::[-\w]+/,
 			'pseudo-class': /:[-\w]+/,
-			'class': /\.[-:.\w]+/,
-			'id': /#[-:.\w]+/,
+			'class': /\.[-\w]+/,
+			'id': /#[-\w]+/,
 			'attribute': {
 				pattern: RegExp('\\[(?:[^[\\]"\']|' + string.source + ')*\\]'),
 				greedy: true,
diff --git a/components/prism-css-extras.min.js b/components/prism-css-extras.min.js
index 81ee713..dd8a5d6 100644
--- a/components/prism-css-extras.min.js
+++ b/components/prism-css-extras.min.js
@@ -1 +1 @@
-!function(e){var a,n=/("|')(?:\\(?:\r\n|[\s\S])|(?!\1)[^\\\r\n])*\1/;e.languages.css.selector={pattern:e.languages.css.selector,inside:a={"pseudo-element":/:(?:after|before|first-letter|first-line|selection)|::[-\w]+/,"pseudo-class":/:[-\w]+/,class:/\.[-:.\w]+/,id:/#[-:.\w]+/,attribute:{pattern:RegExp("\\[(?:[^[\\]\"']|"+n.source+")*\\]"),greedy:!0,inside:{punctuation:/^\[|\]$/,"case-sensitivity":{pattern:/(\s)[si]$/i,lookbehind:!0,alias:"keyword"},namespace:{pattern:/^(\s*)[-*\w\xA0-\uFFFF]*\|(?!=)/,lookbehind:!0,inside:{punctuation:/\|$/}},"attr-name":{pattern:/^(\s*)[-\w\xA0-\uFFFF]+/,lookbehind:!0},"attr-value":[n,{pattern:/(=\s*)[-\w\xA0-\uFFFF]+(?=\s*$)/,lookbehind:!0}],operator:/[|~*^$]?=/}},"n-th":[{pattern:/(\(\s*)[+-]?\d*[\dn](?:\s*[+-]\s*\d+)?(?=\s*\))/,lookbehind:!0,inside:{number:/[\dn]+/,operator:/[+-]/}},{pattern:/(\(\s*)(?:even|odd)(?=\s*\))/i,lookbehind:!0}],combinator:/>|\+|~|\|\|/,punctuation:/[(),]/}},e.languages.css.atrule.inside["selector-function-argument"].inside=a,e.languages.insertBefore("css","property",{variable:{pattern:/(^|[^-\w\xA0-\uFFFF])--[-_a-z\xA0-\uFFFF][-\w\xA0-\uFFFF]*/i,lookbehind:!0}});var r={pattern:/(\d)(?:%|[a-z]+)/,lookbehind:!0},i={pattern:/(^|[^\w.-])-?\d*\.?\d+/,lookbehind:!0};e.languages.insertBefore("css","function",{operator:{pattern:/(\s)[+\-*\/](?=\s)/,lookbehind:!0},hexcode:{pattern:/\B#(?:[\da-f]{1,2}){3,4}\b/i,alias:"color"},color:[/\b(?:AliceBlue|AntiqueWhite|Aqua|Aquamarine|Azure|Beige|Bisque|Black|BlanchedAlmond|Blue|BlueViolet|Brown|BurlyWood|CadetBlue|Chartreuse|Chocolate|Coral|CornflowerBlue|Cornsilk|Crimson|Cyan|DarkBlue|DarkCyan|DarkGoldenRod|DarkGr[ae]y|DarkGreen|DarkKhaki|DarkMagenta|DarkOliveGreen|DarkOrange|DarkOrchid|DarkRed|DarkSalmon|DarkSeaGreen|DarkSlateBlue|DarkSlateGr[ae]y|DarkTurquoise|DarkViolet|DeepPink|DeepSkyBlue|DimGr[ae]y|DodgerBlue|FireBrick|FloralWhite|ForestGreen|Fuchsia|Gainsboro|GhostWhite|Gold|GoldenRod|Gr[ae]y|Green|GreenYellow|HoneyDew|HotPink|IndianRed|Indigo|Ivory|Khaki|Lavender|LavenderBlush|LawnGreen|LemonChiffon|LightBlue|LightCoral|LightCyan|LightGoldenRodYellow|LightGr[ae]y|LightGreen|LightPink|LightSalmon|LightSeaGreen|LightSkyBlue|LightSlateGr[ae]y|LightSteelBlue|LightYellow|Lime|LimeGreen|Linen|Magenta|Maroon|MediumAquaMarine|MediumBlue|MediumOrchid|MediumPurple|MediumSeaGreen|MediumSlateBlue|MediumSpringGreen|MediumTurquoise|MediumVioletRed|MidnightBlue|MintCream|MistyRose|Moccasin|NavajoWhite|Navy|OldLace|Olive|OliveDrab|Orange|OrangeRed|Orchid|PaleGoldenRod|PaleGreen|PaleTurquoise|PaleVioletRed|PapayaWhip|PeachPuff|Peru|Pink|Plum|PowderBlue|Purple|Red|RosyBrown|RoyalBlue|SaddleBrown|Salmon|SandyBrown|SeaGreen|SeaShell|Sienna|Silver|SkyBlue|SlateBlue|SlateGr[ae]y|Snow|SpringGreen|SteelBlue|Tan|Teal|Thistle|Tomato|Transparent|Turquoise|Violet|Wheat|White|WhiteSmoke|Yellow|YellowGreen)\b/i,{pattern:/\b(?:rgb|hsl)\(\s*\d{1,3}\s*,\s*\d{1,3}%?\s*,\s*\d{1,3}%?\s*\)\B|\b(?:rgb|hsl)a\(\s*\d{1,3}\s*,\s*\d{1,3}%?\s*,\s*\d{1,3}%?\s*,\s*(?:0|0?\.\d+|1)\s*\)\B/i,inside:{unit:r,number:i,function:/[\w-]+(?=\()/,punctuation:/[(),]/}}],entity:/\\[\da-f]{1,8}/i,unit:r,number:i})}(Prism);
\ No newline at end of file
+!function(e){var a,n=/("|')(?:\\(?:\r\n|[\s\S])|(?!\1)[^\\\r\n])*\1/;e.languages.css.selector={pattern:e.languages.css.selector,inside:a={"pseudo-element":/:(?:after|before|first-letter|first-line|selection)|::[-\w]+/,"pseudo-class":/:[-\w]+/,class:/\.[-\w]+/,id:/#[-\w]+/,attribute:{pattern:RegExp("\\[(?:[^[\\]\"']|"+n.source+")*\\]"),greedy:!0,inside:{punctuation:/^\[|\]$/,"case-sensitivity":{pattern:/(\s)[si]$/i,lookbehind:!0,alias:"keyword"},namespace:{pattern:/^(\s*)[-*\w\xA0-\uFFFF]*\|(?!=)/,lookbehind:!0,inside:{punctuation:/\|$/}},"attr-name":{pattern:/^(\s*)[-\w\xA0-\uFFFF]+/,lookbehind:!0},"attr-value":[n,{pattern:/(=\s*)[-\w\xA0-\uFFFF]+(?=\s*$)/,lookbehind:!0}],operator:/[|~*^$]?=/}},"n-th":[{pattern:/(\(\s*)[+-]?\d*[\dn](?:\s*[+-]\s*\d+)?(?=\s*\))/,lookbehind:!0,inside:{number:/[\dn]+/,operator:/[+-]/}},{pattern:/(\(\s*)(?:even|odd)(?=\s*\))/i,lookbehind:!0}],combinator:/>|\+|~|\|\|/,punctuation:/[(),]/}},e.languages.css.atrule.inside["selector-function-argument"].inside=a,e.languages.insertBefore("css","property",{variable:{pattern:/(^|[^-\w\xA0-\uFFFF])--[-_a-z\xA0-\uFFFF][-\w\xA0-\uFFFF]*/i,lookbehind:!0}});var r={pattern:/(\d)(?:%|[a-z]+)/,lookbehind:!0},i={pattern:/(^|[^\w.-])-?\d*\.?\d+/,lookbehind:!0};e.languages.insertBefore("css","function",{operator:{pattern:/(\s)[+\-*\/](?=\s)/,lookbehind:!0},hexcode:{pattern:/\B#(?:[\da-f]{1,2}){3,4}\b/i,alias:"color"},color:[/\b(?:AliceBlue|AntiqueWhite|Aqua|Aquamarine|Azure|Beige|Bisque|Black|BlanchedAlmond|Blue|BlueViolet|Brown|BurlyWood|CadetBlue|Chartreuse|Chocolate|Coral|CornflowerBlue|Cornsilk|Crimson|Cyan|DarkBlue|DarkCyan|DarkGoldenRod|DarkGr[ae]y|DarkGreen|DarkKhaki|DarkMagenta|DarkOliveGreen|DarkOrange|DarkOrchid|DarkRed|DarkSalmon|DarkSeaGreen|DarkSlateBlue|DarkSlateGr[ae]y|DarkTurquoise|DarkViolet|DeepPink|DeepSkyBlue|DimGr[ae]y|DodgerBlue|FireBrick|FloralWhite|ForestGreen|Fuchsia|Gainsboro|GhostWhite|Gold|GoldenRod|Gr[ae]y|Green|GreenYellow|HoneyDew|HotPink|IndianRed|Indigo|Ivory|Khaki|Lavender|LavenderBlush|LawnGreen|LemonChiffon|LightBlue|LightCoral|LightCyan|LightGoldenRodYellow|LightGr[ae]y|LightGreen|LightPink|LightSalmon|LightSeaGreen|LightSkyBlue|LightSlateGr[ae]y|LightSteelBlue|LightYellow|Lime|LimeGreen|Linen|Magenta|Maroon|MediumAquaMarine|MediumBlue|MediumOrchid|MediumPurple|MediumSeaGreen|MediumSlateBlue|MediumSpringGreen|MediumTurquoise|MediumVioletRed|MidnightBlue|MintCream|MistyRose|Moccasin|NavajoWhite|Navy|OldLace|Olive|OliveDrab|Orange|OrangeRed|Orchid|PaleGoldenRod|PaleGreen|PaleTurquoise|PaleVioletRed|PapayaWhip|PeachPuff|Peru|Pink|Plum|PowderBlue|Purple|Red|RosyBrown|RoyalBlue|SaddleBrown|Salmon|SandyBrown|SeaGreen|SeaShell|Sienna|Silver|SkyBlue|SlateBlue|SlateGr[ae]y|Snow|SpringGreen|SteelBlue|Tan|Teal|Thistle|Tomato|Transparent|Turquoise|Violet|Wheat|White|WhiteSmoke|Yellow|YellowGreen)\b/i,{pattern:/\b(?:rgb|hsl)\(\s*\d{1,3}\s*,\s*\d{1,3}%?\s*,\s*\d{1,3}%?\s*\)\B|\b(?:rgb|hsl)a\(\s*\d{1,3}\s*,\s*\d{1,3}%?\s*,\s*\d{1,3}%?\s*,\s*(?:0|0?\.\d+|1)\s*\)\B/i,inside:{unit:r,number:i,function:/[\w-]+(?=\()/,punctuation:/[(),]/}}],entity:/\\[\da-f]{1,8}/i,unit:r,number:i})}(Prism);
\ No newline at end of file
diff --git a/tests/languages/css!+css-extras/selector_feature.test b/tests/languages/css!+css-extras/selector_feature.test
index ddd6961..6521dc4 100644
--- a/tests/languages/css!+css-extras/selector_feature.test
+++ b/tests/languages/css!+css-extras/selector_feature.test
@@ -1,20 +1,12 @@
 foo:after {
 foo::first-letter {
 
-foo.bar {
+foo.bar.baz {
 
-foo#bar {
+foo#bar.baz {
 
 #foo > .bar:hover:after {
 
-span,
-div {
-
-div > p,
-.css-li ~ .css-li,
-.previous-selector + .selector,
-.selected || td {
-
 ----------------------------------------------------
 
 [
@@ -30,12 +22,14 @@ div > p,
 
 	["selector", [
 		"foo",
-		["class", ".bar"]
+		["class", ".bar"],
+		["class", ".baz"]
 	]], ["punctuation", "{"],
 
 	["selector", [
 		"foo",
-		["id", "#bar"]
+		["id", "#bar"],
+		["class", ".baz"]
 	]], ["punctuation", "{"],
 
 	["selector", [
@@ -44,30 +38,6 @@ div > p,
 		["class", ".bar"],
 		["pseudo-class", ":hover"],
 		["pseudo-element", ":after"]
-	]], ["punctuation", "{"],
-
-	["selector", [
-		"span",
-		["punctuation", ","],
-		"\r\ndiv"
-	]], ["punctuation", "{"],
-
-	["selector", [
-		"div ",
-		["combinator", ">"],
-		" p",
-		["punctuation", ","],
-		["class", ".css-li"],
-		["combinator", "~"],
-		["class", ".css-li"],
-		["punctuation", ","],
-		["class", ".previous-selector"],
-		["combinator", "+"],
-		["class", ".selector"],
-		["punctuation", ","],
-		["class", ".selected"],
-		["combinator", "||"],
-		" td"
 	]], ["punctuation", "{"]
 ]