added dotenv highlight support for prismjs

2026-09-06 07:56:11 +02:00 · 2020-10-24 09:39:30 +01:00
parent d9445cfa21
commit e618b22ab4
2 changed files with 35 additions and 0 deletions
@@ -0,0 +1,34 @@
+import Prism from "prismjs"
+
+if (supportsLookBehind()) {
+    Prism.languages.env = {
+        property: {
+            pattern: /(.*.)(?==)/,
+        },
+        string: {
+            pattern: /(?<==)(.*.)/g,
+            global: true,
+        },
+        operator: {
+            pattern: /=/
+        }
+    }   
+} else {
+    Prism.languages.env = {
+        property: {
+            pattern: /(.*.)(?==)/,
+        },
+        operator: {
+            pattern: /=/
+        }
+    }
+}
+
+
+function supportsLookBehind() {
+    try {
+        return /(?<==)(.*)/.test("=hello")
+    } catch(e) {
+        return false;
+    }
+}