feat: add php syntax highlighting for strings

custom-words.txt

@@ -19,6 +19,7 @@ dotansimha
 gillam
 goldshtein
 goncharov
+graphi
 harshith
 heyenbrock
 hurrell
@@ -31,6 +32,7 @@ leebyron
 lostplan
 nauroze
 nishchit
+nowdoc
 orta
 pabbati
 pratap
@@ -198,4 +200,3 @@ typeahead
 typeaheads
 unparsable
 randomthing
-

packages/vscode-graphql/grammars/graphql.php.json

@@ -0,0 +1,131 @@
+{
+  "fileTypes": ["php"],
+  "injectionSelector": "L:source -string -comment",
+  "patterns": [
+    {
+      "contentName": "meta.embedded.block.graphql",
+      "begin": "(<<<)\\s*(\"?)(GRAPHQL|GQL)(\\2)(\\s*)$",
+      "beginCaptures": {
+        "0": {
+          "name": "punctuation.section.embedded.begin.php"
+        },
+        "1": {
+          "name": "punctuation.definition.string.php"
+        },
+        "3": {
+          "name": "keyword.operator.heredoc.php"
+        },
+        "5": {
+          "name": "invalid.illegal.trailing-whitespace.php"
+        }
+      },
+      "end": "^\\s*(\\3)(?![A-Za-z0-9_\\x{7f}-\\x{10ffff}])",
+      "endCaptures": {
+        "0": {
+          "name": "punctuation.section.embedded.end.php"
+        },
+        "1": {
+          "name": "keyword.operator.heredoc.php"
+        }
+      },
+      "patterns": [
+        {
+          "include": "source.graphql"
+        }
+      ]
+    },
+    {
+      "begin": "(<<<)\\s*'(GRAPHQL|GQL)'(\\s*)$",
+      "beginCaptures": {
+        "0": {
+          "name": "punctuation.section.embedded.begin.php"
+        },
+        "1": {
+          "name": "punctuation.definition.string.php"
+        },
+        "2": {
+          "name": "keyword.operator.nowdoc.php"
+        },
+        "3": {
+          "name": "invalid.illegal.trailing-whitespace.php"
+        }
+      },
+      "contentName": "source.graphql",
+      "end": "^\\s*(\\2)(?![A-Za-z0-9_\\x{7f}-\\x{10ffff}])",
+      "endCaptures": {
+        "0": {
+          "name": "punctuation.section.embedded.end.php"
+        },
+        "1": {
+          "name": "keyword.operator.nowdoc.php"
+        }
+      },
+      "name": "meta.embedded.graphql",
+      "patterns": [
+        {
+          "include": "source.graphql"
+        }
+      ]
+    },
+    {
+      "begin": "(/\\*\\*\\s*(@lang\\s*GraphQL|Graphi?QL|graphql)\\s*\\*/)\\s*(')",
+      "beginCaptures": {
+        "1": {
+          "name": "punctuation.definition.comment.php"
+        },
+        "3": {
+          "name": "punctuation.definition.string.begin.php"
+        }
+      },
+      "contentName": "source.graphql",
+      "end": "'",
+      "endCaptures": {
+        "0": {
+          "name": "punctuation.definition.string.end.php"
+        }
+      },
+      "name": "meta.embedded.graphql",
+      "patterns": [
+        {
+          "include": "source.graphql"
+        }
+      ]
+    },
+    {
+      "begin": "((/\\*\\*|//)\\s*(@lang\\s*GraphQL|Graphi?QL|graphql)\\s*(\\*/)?)(\\s*)$",
+      "beginCaptures": {
+        "1": {
+          "name": "punctuation.definition.comment.php"
+        },
+        "5": {
+          "name": "invalid.illegal.trailing-whitespace.php"
+        }
+      },
+      "end": "(?<=')",
+      "patterns": [
+        {
+          "begin": "'",
+          "beginCaptures": {
+            "0": {
+              "name": "punctuation.definition.string.begin.php"
+            }
+          },
+          "contentName": "source.graphql",
+          "end": "'",
+          "endCaptures": {
+            "0": {
+              "name": "punctuation.definition.string.end.php"
+            }
+          },
+          "name": "meta.embedded.graphql",
+          "patterns": [
+            {
+              "include": "source.graphql"
+            }
+          ]
+        }
+      ]
+    }
+  ],
+  "scopeName": "inline.graphql.php"
+}

packages/vscode-graphql/package.json

@@ -119,6 +119,16 @@
         "embeddedLanguages": {
           "meta.embedded.block.graphql": "graphql"
         }
+      },
+      {
+        "injectTo": [
+          "text.html.php"
+        ],
+        "scopeName": "inline.graphql.php",
+        "path": "./grammars/graphql.php.json",
+        "embeddedLanguages": {
+          "meta.embedded.block.graphql": "graphql"
+        }
       }
     ],
     "snippets": [