1 files changed, 140 insertions, 0 deletions
diff --git a/public/prism/prism-cooklang.js b/public/prism/prism-cooklang.js
new file mode 100644
index 0000000..445d856
--- /dev/null
+++ b/public/prism/prism-cooklang.js
@@ -0,0 +1,140 @@
+(function (Prism) {
+  // see https://github.com/cooklang/spec/blob/main/EBNF.md
+
+  var single_token_suffix = /(?:(?!\s)[\d$+<=a-zA-Z\x80-\uFFFF])+/.source;
+  var multi_token_infix = /[^{}@#]+/.source;
+  var multi_token_suffix = /\{[^}#@]*\}/.source;
+
+  var multi_token = multi_token_infix + multi_token_suffix;
+
+  var timer_units = /(?:h|hours|hrs|m|min|minutes)/.source;
+
+  var amount_group_impl = {
+    pattern: /\{[^{}]*\}/,
+    inside: {
+      amount: {
+        pattern: /([\{|])[^{}|*%]+/,
+        lookbehind: true,
+        alias: 'number',
+      },
+      unit: {
+        pattern: /(%)[^}]+/,
+        lookbehind: true,
+        alias: 'symbol',
+      },
+      'servings-scaler': {
+        pattern: /\*/,
+        alias: 'operator',
+      },
+      'servings-alternative-separator': {
+        pattern: /\|/,
+        alias: 'operator',
+      },
+      'unit-separator': {
+        pattern: /(?:%|(\*)%)/,
+        lookbehind: true,
+        alias: 'operator',
+      },
+      punctuation: /[{}]/,
+    },
+  };
+
+  Prism.languages.cooklang = {
+    comment: {
+      // [- comment -]
+      // -- comment
+      pattern: /\[-[\s\S]*?-\]|--.*/,
+      greedy: true,
+    },
+    meta: {
+      // >> key: value
+      pattern: />>.*:.*/,
+      inside: {
+        property: {
+          // key:
+          pattern: /(>>\s*)[^\s:](?:[^:]*[^\s:])?/,
+          lookbehind: true,
+        },
+      },
+    },
+    'cookware-group': {
+      // #...{...}, #...
+      pattern: new RegExp(
+        '#(?:' + multi_token + '|' + single_token_suffix + ')'
+      ),
+      inside: {
+        cookware: {
+          pattern: new RegExp('(^#)(?:' + multi_token_infix + ')'),
+          lookbehind: true,
+          alias: 'variable',
+        },
+        'cookware-keyword': {
+          pattern: /^#/,
+          alias: 'keyword',
+        },
+        'quantity-group': {
+          pattern: new RegExp(/\{[^{}@#]*\}/),
+          inside: {
+            quantity: {
+              pattern: new RegExp(/(^\{)/.source + multi_token_infix),
+              lookbehind: true,
+              alias: 'number',
+            },
+            punctuation: /[{}]/,
+          },
+        },
+      },
+    },
+    'ingredient-group': {
+      // @...{...}, @...
+      pattern: new RegExp(
+        '@(?:' + multi_token + '|' + single_token_suffix + ')'
+      ),
+      inside: {
+        ingredient: {
+          pattern: new RegExp('(^@)(?:' + multi_token_infix + ')'),
+          lookbehind: true,
+          alias: 'variable',
+        },
+        'ingredient-keyword': {
+          pattern: /^@/,
+          alias: 'keyword',
+        },
+        'amount-group': amount_group_impl,
+      },
+    },
+    'timer-group': {
+      // ~timer{...}
+      // eslint-disable-next-line regexp/sort-alternatives
+      pattern: /~(?!\s)[^@#~{}]*\{[^{}]*\}/,
+      inside: {
+        timer: {
+          pattern: /(^~)[^{]+/,
+          lookbehind: true,
+          alias: 'variable',
+        },
+        'duration-group': {
+          // {...}
+          pattern: /\{[^{}]*\}/,
+          inside: {
+            punctuation: /[{}]/,
+            unit: {
+              pattern: new RegExp(/(%\s*)/.source + timer_units + /\b/.source),
+              lookbehind: true,
+              alias: 'symbol',
+            },
+            operator: /%/,
+            duration: {
+              pattern: /\d+/,
+              alias: 'number',
+            },
+          },
+        },
+        'timer-keyword': {
+          pattern: /^~/,
+          alias: 'keyword',
+        },
+      },
+    },
+  };
+})(Prism);