[vscode] Add support for Ruby documents

Author: alloy

CHANGELOG.md

@@ -24,7 +24,7 @@
 - `apollo-tools`
   - <First `apollo-tools` related entry goes here>
 - `vscode-apollo`
-  - <First `vscode-apollo` related entry goes here>
+  - Add support for Ruby source files using `<<-GRAPHQL...GRAPHQL` heredoc. [#1304](https://github.com/apollographql/apollo-tooling/pull/1304)
 
 ## `apollo@2.12.4`, `apollo-language-server@1.9.0`, `vscode-apollo@1.7.0`
 

packages/vscode-apollo/package.json

@@ -100,6 +100,16 @@
         "embeddedLanguages": {
           "meta.embedded.block.graphql": "graphql"
         }
+      },
+      {
+        "injectTo": [
+          "source.ruby"
+        ],
+        "scopeName": "inline.graphql.ruby",
+        "path": "./syntaxes/graphql.rb.json",
+        "embeddedLanguages": {
+          "meta.embedded.block.graphql": "graphql"
+        }
       }
     ],
     "commands": [

packages/vscode-apollo/src/languageServerClient.ts

@@ -47,12 +47,15 @@ export function getLanguageServerClient(
       "javascriptreact",
       "typescriptreact",
       "vue",
-      "python"
+      "python",
+      "ruby"
     ],
     synchronize: {
       fileEvents: [
         workspace.createFileSystemWatcher("**/.env"),
-        workspace.createFileSystemWatcher("**/*.{graphql,js,ts,jsx,tsx,vue,py}")
+        workspace.createFileSystemWatcher(
+          "**/*.{graphql,js,ts,jsx,tsx,vue,py,rb}"
+        )
       ]
     },
     outputChannel

packages/vscode-apollo/syntaxes/graphql.rb.json

@@ -0,0 +1,23 @@
+{
+  "fileTypes": ["rb"],
+  "injectionSelector": "L:source -string -comment",
+  "patterns": [
+    {
+      "contentName": "meta.embedded.block.graphql",
+      "begin": "(?=(?><<[-~](['\"]?)((?:[_\\w]+_|)GRAPHQL)\\b\\1))",
+      "beginCaptures": {
+        "0": {
+          "name": "punctuation.definition.string.begin.ruby"
+        }
+      },
+      "end": "\\s*\\2$\\n?",
+      "endCaptures": {
+        "0": {
+          "name": "punctuation.definition.string.end.ruby"
+        }
+      },
+      "patterns": [{ "include": "source.graphql" }]
+    }
+  ],
+  "scopeName": "inline.graphql.ruby"
+}