chore: add prismjs for syntax highlighting

1 files changed, 91 insertions, 0 deletions

diff --git a/public/prism/prism-kotlin.js b/public/prism/prism-kotlin.js
new file mode 100644
index 0000000..b865bb4
--- /dev/null
+++ b/public/prism/prism-kotlin.js
@@ -0,0 +1,91 @@
+(function (Prism) {
+  Prism.languages.kotlin = Prism.languages.extend('clike', {
+    keyword: {
+      // The lookbehind prevents wrong highlighting of e.g. kotlin.properties.get
+      pattern:
+        /(^|[^.])\b(?:abstract|actual|annotation|as|break|by|catch|class|companion|const|constructor|continue|crossinline|data|do|dynamic|else|enum|expect|external|final|finally|for|fun|get|if|import|in|infix|init|inline|inner|interface|internal|is|lateinit|noinline|null|object|open|operator|out|override|package|private|protected|public|reified|return|sealed|set|super|suspend|tailrec|this|throw|to|try|typealias|val|var|vararg|when|where|while)\b/,
+      lookbehind: true,
+    },
+    function: [
+      {
+        pattern: /(?:`[^\r\n`]+`|\b\w+)(?=\s*\()/,
+        greedy: true,
+      },
+      {
+        pattern: /(\.)(?:`[^\r\n`]+`|\w+)(?=\s*\{)/,
+        lookbehind: true,
+        greedy: true,
+      },
+    ],
+    number:
+      /\b(?:0[xX][\da-fA-F]+(?:_[\da-fA-F]+)*|0[bB][01]+(?:_[01]+)*|\d+(?:_\d+)*(?:\.\d+(?:_\d+)*)?(?:[eE][+-]?\d+(?:_\d+)*)?[fFL]?)\b/,
+    operator:
+      /\+[+=]?|-[-=>]?|==?=?|!(?:!|==?)?|[\/*%<>]=?|[?:]:?|\.\.|&&|\|\||\b(?:and|inv|or|shl|shr|ushr|xor)\b/,
+  });
+
+  delete Prism.languages.kotlin['class-name'];
+
+  var interpolationInside = {
+    'interpolation-punctuation': {
+      pattern: /^\$\{?|\}$/,
+      alias: 'punctuation',
+    },
+    expression: {
+      pattern: /[\s\S]+/,
+      inside: Prism.languages.kotlin,
+    },
+  };
+
+  Prism.languages.insertBefore('kotlin', 'string', {
+    // https://kotlinlang.org/spec/expressions.html#string-interpolation-expressions
+    'string-literal': [
+      {
+        pattern: /"""(?:[^$]|\$(?:(?!\{)|\{[^{}]*\}))*?"""/,
+        alias: 'multiline',
+        inside: {
+          interpolation: {
+            pattern: /\$(?:[a-z_]\w*|\{[^{}]*\})/i,
+            inside: interpolationInside,
+          },
+          string: /[\s\S]+/,
+        },
+      },
+      {
+        pattern: /"(?:[^"\\\r\n$]|\\.|\$(?:(?!\{)|\{[^{}]*\}))*"/,
+        alias: 'singleline',
+        inside: {
+          interpolation: {
+            pattern: /((?:^|[^\\])(?:\\{2})*)\$(?:[a-z_]\w*|\{[^{}]*\})/i,
+            lookbehind: true,
+            inside: interpolationInside,
+          },
+          string: /[\s\S]+/,
+        },
+      },
+    ],
+    char: {
+      // https://kotlinlang.org/spec/expressions.html#character-literals
+      pattern: /'(?:[^'\\\r\n]|\\(?:.|u[a-fA-F0-9]{0,4}))'/,
+      greedy: true,
+    },
+  });
+
+  delete Prism.languages.kotlin['string'];
+
+  Prism.languages.insertBefore('kotlin', 'keyword', {
+    annotation: {
+      pattern: /\B@(?:\w+:)?(?:[A-Z]\w*|\[[^\]]+\])/,
+      alias: 'builtin',
+    },
+  });
+
+  Prism.languages.insertBefore('kotlin', 'function', {
+    label: {
+      pattern: /\b\w+@|@\w+\b/,
+      alias: 'symbol',
+    },
+  });
+
+  Prism.languages.kt = Prism.languages.kotlin;
+  Prism.languages.kts = Prism.languages.kotlin;
+})(Prism);