From a98b5ea6fe8e8cc98a55e0fd793e6e8660ea31c1 Mon Sep 17 00:00:00 2001
From: Armand Philippot <git@armandphilippot.com>
Date: Thu, 30 Dec 2021 19:47:21 +0100
Subject: chore: add prismjs for syntax highlighting

---
 public/prism/prism-css-extras.js | 123 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 123 insertions(+)
 create mode 100644 public/prism/prism-css-extras.js

(limited to 'public/prism/prism-css-extras.js')

diff --git a/public/prism/prism-css-extras.js b/public/prism/prism-css-extras.js
new file mode 100644
index 0000000..08482cf
--- /dev/null
+++ b/public/prism/prism-css-extras.js
@@ -0,0 +1,123 @@
+(function (Prism) {
+  var string = /("|')(?:\\(?:\r\n|[\s\S])|(?!\1)[^\\\r\n])*\1/;
+  var selectorInside;
+
+  Prism.languages.css.selector = {
+    pattern: Prism.languages.css.selector.pattern,
+    lookbehind: true,
+    inside: (selectorInside = {
+      'pseudo-element':
+        /:(?:after|before|first-letter|first-line|selection)|::[-\w]+/,
+      'pseudo-class': /:[-\w]+/,
+      class: /\.[-\w]+/,
+      id: /#[-\w]+/,
+      attribute: {
+        pattern: RegExp('\\[(?:[^[\\]"\']|' + string.source + ')*\\]'),
+        greedy: true,
+        inside: {
+          punctuation: /^\[|\]$/,
+          'case-sensitivity': {
+            pattern: /(\s)[si]$/i,
+            lookbehind: true,
+            alias: 'keyword',
+          },
+          namespace: {
+            pattern: /^(\s*)(?:(?!\s)[-*\w\xA0-\uFFFF])*\|(?!=)/,
+            lookbehind: true,
+            inside: {
+              punctuation: /\|$/,
+            },
+          },
+          'attr-name': {
+            pattern: /^(\s*)(?:(?!\s)[-\w\xA0-\uFFFF])+/,
+            lookbehind: true,
+          },
+          'attr-value': [
+            string,
+            {
+              pattern: /(=\s*)(?:(?!\s)[-\w\xA0-\uFFFF])+(?=\s*$)/,
+              lookbehind: true,
+            },
+          ],
+          operator: /[|~*^$]?=/,
+        },
+      },
+      'n-th': [
+        {
+          pattern: /(\(\s*)[+-]?\d*[\dn](?:\s*[+-]\s*\d+)?(?=\s*\))/,
+          lookbehind: true,
+          inside: {
+            number: /[\dn]+/,
+            operator: /[+-]/,
+          },
+        },
+        {
+          pattern: /(\(\s*)(?:even|odd)(?=\s*\))/i,
+          lookbehind: true,
+        },
+      ],
+      combinator: />|\+|~|\|\|/,
+
+      // the `tag` token has been existed and removed.
+      // because we can't find a perfect tokenize to match it.
+      // if you want to add it, please read https://github.com/PrismJS/prism/pull/2373 first.
+
+      punctuation: /[(),]/,
+    }),
+  };
+
+  Prism.languages.css['atrule'].inside['selector-function-argument'].inside =
+    selectorInside;
+
+  Prism.languages.insertBefore('css', 'property', {
+    variable: {
+      pattern:
+        /(^|[^-\w\xA0-\uFFFF])--(?!\s)[-_a-z\xA0-\uFFFF](?:(?!\s)[-\w\xA0-\uFFFF])*/i,
+      lookbehind: true,
+    },
+  });
+
+  var unit = {
+    pattern: /(\b\d+)(?:%|[a-z]+(?![\w-]))/,
+    lookbehind: true,
+  };
+  // 123 -123 .123 -.123 12.3 -12.3
+  var number = {
+    pattern: /(^|[^\w.-])-?(?:\d+(?:\.\d+)?|\.\d+)/,
+    lookbehind: true,
+  };
+
+  Prism.languages.insertBefore('css', 'function', {
+    operator: {
+      pattern: /(\s)[+\-*\/](?=\s)/,
+      lookbehind: true,
+    },
+    // CAREFUL!
+    // Previewers and Inline color use hexcode and color.
+    hexcode: {
+      pattern: /\B#[\da-f]{3,8}\b/i,
+      alias: 'color',
+    },
+    color: [
+      {
+        pattern:
+          /(^|[^\w-])(?: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)(?![\w-])/i,
+        lookbehind: true,
+      },
+      {
+        pattern:
+          /\b(?:hsl|rgb)\(\s*\d{1,3}\s*,\s*\d{1,3}%?\s*,\s*\d{1,3}%?\s*\)\B|\b(?:hsl|rgb)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: unit,
+          number: number,
+          function: /[\w-]+(?=\()/,
+          punctuation: /[(),]/,
+        },
+      },
+    ],
+    // it's important that there is no boundary assertion after the hex digits
+    entity: /\\[\da-f]{1,8}/i,
+    unit: unit,
+    number: number,
+  });
+})(Prism);
-- 
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