Add support for Apollo Connectors Mapping Syntax

package.json

@@ -167,6 +167,13 @@
         "scopeName": "source.graphql",
         "path": "./syntaxes/graphql.json"
       },
+      {
+        "injectTo": [
+          "source.graphql"
+        ],
+        "scopeName": "inline.connectors.graphql",
+        "path": "./syntaxes/graphql.connectors.json"
+      },
       {
         "injectTo": [
           "source.js",

syntaxes/graphql.connectors.json

@@ -0,0 +1,105 @@
+{
+  "scopeName": "inline.connectors.graphql",
+  "injectionSelector": "L:meta.embedded.block.directive.graphql -string -comment",
+  "patterns": [{ "include": "#connect-directive" }],
+  "repository": {
+    "connect-directive": {
+      "begin": "((@)\\s*(connect))",
+      "end": "(?=.)",
+      "applyEndPatternLast": 1,
+      "beginCaptures": {
+        "1": {
+          "name": "entity.name.function.directive.connect.graphql"
+        }
+      },
+      "patterns": [
+        { "include": "#connect-arguments" },
+        { "include": "source.graphql#graphql-comment" },
+        { "include": "source.graphql#literal-quasi-embedded" },
+        { "include": "source.graphql#graphql-skip-newlines" }
+      ]
+    },
+    "connect-arguments": {
+      "name": "meta.arguments.connect.graphql",
+      "begin": "\\s*(\\()",
+      "end": "\\s*(\\))",
+      "beginCaptures": {
+        "1": { "name": "meta.brace.round.directive.graphql" }
+      },
+      "endCaptures": {
+        "1": { "name": "meta.brace.round.directive.graphql" }
+      },
+      "patterns": [
+        { "include": "source.graphql#graphql-comment" },
+        { "include": "#connect-selection-argument" },
+        { "include": "#connect-body-argument" },
+        { "include": "source.graphql#graphql-argument" },
+        { "include": "source.graphql#literal-quasi-embedded" }
+      ]
+    },
+    "connect-selection-argument": {
+      "begin": "\\s*(selection)(?:\\s*(:))",
+      "end": "(?=\\s*(?:(?:([_A-Za-z][_0-9A-Za-z]*)\\s*(:))|\\)))|\\s*(,)",
+      "beginCaptures": {
+        "1": { "name": "variable.parameter.graphql" },
+        "2": { "name": "punctuation.colon.graphql" }
+      },
+      "endCaptures": {
+        "3": { "name": "punctuation.comma.graphql" }
+      },
+      "patterns": [
+        {
+          "begin": "\\s*+((\"))",
+          "end": "\\s*+(?:((\"))|(\n))",
+          "beginCaptures": {
+            "1": { "name": "string.quoted.double.graphql" },
+            "2": { "name": "punctuation.definition.string.begin.graphql" }
+          },
+          "endCaptures": {
+            "1": { "name": "string.quoted.double.graphql" },
+            "2": { "name": "punctuation.definition.string.end.graphql" },
+            "3": { "name": "invalid.illegal.newline.graphql" }
+          },
+          "patterns": [
+            { "include": "source.graphql#graphql-field" },
+            { "include": "source.graphql#graphql-comma" }
+          ]
+        },
+        { "include": "source.graphql#graphql-comment" },
+        { "include": "source.graphql#graphql-skip-newlines" }
+      ]
+    },
+    "connect-body-argument": {
+      "begin": "\\s*(selection)(?:\\s*(:))",
+      "end": "(?=\\s*(?:(?:([_A-Za-z][_0-9A-Za-z]*)\\s*(:))|\\)))|\\s*(,)",
+      "beginCaptures": {
+        "1": { "name": "variable.parameter.graphql" },
+        "2": { "name": "punctuation.colon.graphql" }
+      },
+      "endCaptures": {
+        "3": { "name": "punctuation.comma.graphql" }
+      },
+      "patterns": [
+        {
+          "begin": "\\s*+((\"))",
+          "end": "\\s*+(?:((\"))|(\n))",
+          "beginCaptures": {
+            "1": { "name": "string.quoted.double.graphql" },
+            "2": { "name": "punctuation.definition.string.begin.graphql" }
+          },
+          "endCaptures": {
+            "1": { "name": "string.quoted.double.graphql" },
+            "2": { "name": "punctuation.definition.string.end.graphql" },
+            "3": { "name": "invalid.illegal.newline.graphql" }
+          },
+          "patterns": [
+            { "include": "source.graphql#graphql-field" },
+            { "include": "source.graphql#graphql-comma" }
+          ]
+        },
+        { "include": "source.graphql#graphql-comment" },
+        { "include": "source.graphql#graphql-skip-newlines" }
+      ]
+    }
+  }
+}

syntaxes/graphql.json

@@ -342,7 +342,14 @@
       }
     },
     "graphql-directive": {
-      "begin": "\\s*((@)\\s*([_A-Za-z][_0-9A-Za-z]*))",
+      "contentName": "meta.embedded.block.directive.graphql",
+      "begin": "\\s*(?=@)",
+      "end": "(?=.)",
+      "applyEndPatternLast": 1,
+      "patterns": [{ "include": "#graphql-directive-body" }]
+    },
+    "graphql-directive-body": {
+      "begin": "((@)\\s*([_A-Za-z][_0-9A-Za-z]*))",
       "end": "(?=.)",
       "applyEndPatternLast": 1,
       "beginCaptures": {
@@ -442,25 +449,26 @@
       },
       "patterns": [
         { "include": "#graphql-comment" },
-        {
-          "begin": "\\s*([_A-Za-z][_0-9A-Za-z]*)(?:\\s*(:))",
-          "end": "(?=\\s*(?:(?:([_A-Za-z][_0-9A-Za-z]*)\\s*(:))|\\)))|\\s*(,)",
-          "beginCaptures": {
-            "1": { "name": "variable.parameter.graphql" },
-            "2": { "name": "punctuation.colon.graphql" }
-          },
-          "endCaptures": {
-            "3": { "name": "punctuation.comma.graphql" }
-          },
-          "patterns": [
-            { "include": "#graphql-value" },
-            { "include": "#graphql-comment" },
-            { "include": "#graphql-skip-newlines" }
-          ]
-        },
+        { "include": "#graphql-argument" },
         { "include": "#literal-quasi-embedded" }
       ]
     },
+    "graphql-argument": {
+      "begin": "\\s*([_A-Za-z][_0-9A-Za-z]*)(?:\\s*(:))",
+      "end": "(?=\\s*(?:(?:([_A-Za-z][_0-9A-Za-z]*)\\s*(:))|\\)))|\\s*(,)",
+      "beginCaptures": {
+        "1": { "name": "variable.parameter.graphql" },
+        "2": { "name": "punctuation.colon.graphql" }
+      },
+      "endCaptures": {
+        "3": { "name": "punctuation.comma.graphql" }
+      },
+      "patterns": [
+        { "include": "#graphql-value" },
+        { "include": "#graphql-comment" },
+        { "include": "#graphql-skip-newlines" }
+      ]
+    },
     "graphql-variable-name": {
       "match": "\\s*(\\$[_A-Za-z][_0-9A-Za-z]*)",
       "captures": {