feature: embedded rescript & reason highlighting support (#290)

Author: jfrolich

grammars/graphql.re.json

@@ -0,0 +1,35 @@
+{
+  "fileTypes": ["re", "ml"],
+  "injectionSelector": "L:source -string -comment",
+  "patterns": [
+    {
+      "contentName": "meta.embedded.block.graphql",
+      "begin": "({)(gql)(\\|)",
+      "end": "(\\|)(\\2)(})",
+      "patterns": [
+        {
+          "include": "source.graphql"
+        }
+      ]
+    },
+    {
+      "contentName": "meta.embedded.block.graphql",
+      "begin": "(\\[%graphql)s*$",
+      "end": "(?<=])",
+      "patterns": [
+        {
+          "begin": "^\\s*({\\|)$",
+          "end": "^\\s*(\\|})",
+          "patterns": [{ "include": "source.graphql" }]
+        }
+      ]
+    },
+    {
+      "contentName": "meta.embedded.block.graphql",
+      "begin": "(\\[%graphql {\\|)",
+      "end": "(\\|}( )?])",
+      "patterns": [{ "include": "source.graphql" }]
+    }
+  ],
+  "scopeName": "inline.graphql.re"
+}

grammars/graphql.rescript.json

@@ -0,0 +1,25 @@
+{
+  "fileTypes": ["res", "resi"],
+  "injectionSelector": "L:source -string -comment",
+  "patterns": [
+    {
+      "contentName": "meta.embedded.block.graphql",
+      "begin": "(%graphql\\()\\s*$",
+      "end": "(?<=\\))",
+      "patterns": [
+        {
+          "begin": "^\\s*(`)$",
+          "end": "^\\s*(`)",
+          "patterns": [{ "include": "source.graphql" }]
+        }
+      ]
+    },
+    {
+      "contentName": "meta.embedded.block.graphql",
+      "begin": "(%graphql\\(`)",
+      "end": "(\\`( )?\\))",
+      "patterns": [{ "include": "source.graphql" }]
+    }
+  ],
+  "scopeName": "inline.graphql.res"
+}

package.json

@@ -77,6 +77,27 @@
           "meta.embedded.block.graphql": "graphql"
         }
       },
+      {
+        "injectTo": [
+          "source.reason",
+          "source.ocaml"
+        ],
+        "scopeName": "inline.graphql.re",
+        "path": "./grammars/graphql.re.json",
+        "embeddedLanguages": {
+          "meta.embedded.block.graphql": "graphql"
+        }
+      },
+      {
+        "injectTo": [
+          "source.rescript"
+        ],
+        "scopeName": "inline.graphql.res",
+        "path": "./grammars/graphql.rescript.json",
+        "embeddedLanguages": {
+          "meta.embedded.block.graphql": "graphql"
+        }
+      },
       {
         "injectTo": [
           "text.html.markdown"