Provide links to open actions on GitHub

actions-languageserver/src/connection.ts

@@ -1,10 +1,11 @@
-import {hover} from "@github/actions-languageservice/hover";
+import {documentLinks, hover, validate, ValidationConfig} from "@github/actions-languageservice";
 import {registerLogger, setLogLevel} from "@github/actions-languageservice/log";
-import {validate, ValidationConfig} from "@github/actions-languageservice/validate";
 import {Octokit} from "@octokit/rest";
 import {
   CompletionItem,
   Connection,
+  DocumentLink,
+  DocumentLinkParams,
   Hover,
   HoverParams,
   InitializeParams,
@@ -61,7 +62,10 @@ export function initConnection(connection: Connection) {
           resolveProvider: false,
           triggerCharacters: [":", "."]
         },
-        hoverProvider: true
+        hoverProvider: true,
+        documentLinkProvider: {
+          resolveProvider: false
+        }
       }
     };
 
@@ -103,7 +107,6 @@ export function initConnection(connection: Connection) {
     connection.sendDiagnostics({uri: textDocument.uri, diagnostics: result});
   }
 
-  // This handler provides the initial list of the completion items.
   connection.onCompletion(async ({position, textDocument}: TextDocumentPositionParams): Promise<CompletionItem[]> => {
     return await onCompletion(
       position,
@@ -118,6 +121,10 @@ export function initConnection(connection: Connection) {
     return hover(documents.get(textDocument.uri)!, position);
   });
 
+  connection.onDocumentLinks(async ({textDocument}: DocumentLinkParams): Promise<DocumentLink[] | null> => {
+    return documentLinks(documents.get(textDocument.uri)!);
+  });
+
   // Make the text document manager listen on the connection
   // for open, change and close text document events
   documents.listen(connection);

actions-languageserver/src/context-providers.ts

@@ -1,5 +1,5 @@
 import {data} from "@github/actions-expressions";
-import {ContextProviderConfig} from "@github/actions-languageservice/.";
+import {ContextProviderConfig} from "@github/actions-languageservice";
 import {WorkflowContext} from "@github/actions-languageservice/context/workflow-context";
 import {Octokit} from "@octokit/rest";
 import {getSecrets} from "./context-providers/secrets";

actions-languageservice/src/document-links.test.ts

@@ -0,0 +1,80 @@
+import {documentLinks} from "./document-links";
+import {createDocument} from "./test-utils/document";
+
+describe("documentLinks", () => {
+  it("no links without actions", async () => {
+    const input = `on: push
+jobs:
+  build:
+    runs-on: [self-hosted]
+    steps:
+    - run: echo "Hello World"`;
+    const result = await documentLinks(createDocument("test.yaml", input));
+    expect(result).toHaveLength(0);
+  });
+
+  it("no links for invalid workflow", async () => {
+    const input = `onFOO: push
+jobs:
+  build:
+    runs-on: [self-hosted]`;
+    const result = await documentLinks(createDocument("test.yaml", input));
+    expect(result).toHaveLength(0);
+  });
+
+  it("links for actions in workflow", async () => {
+    const input = `on: push
+jobs:
+  build:
+    runs-on: [self-hosted]
+    steps:
+    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
+    - uses: github/codeql-action/init@v2`;
+    const result = await documentLinks(createDocument("test.yaml", input));
+    expect(result).toEqual([
+      {
+        range: {
+          end: {
+            character: 31,
+            line: 5
+          },
+          start: {
+            character: 12,
+            line: 5
+          }
+        },
+        target: "https://www.github.com/actions/checkout/tree/v2/",
+        tooltip: "Open action on GitHub"
+      },
+      {
+        range: {
+          end: {
+            character: 31,
+            line: 6
+          },
+          start: {
+            character: 12,
+            line: 6
+          }
+        },
+        target: "https://www.github.com/actions/checkout/tree/v3/",
+        tooltip: "Open action on GitHub"
+      },
+      {
+        range: {
+          end: {
+            character: 40,
+            line: 7
+          },
+          start: {
+            character: 12,
+            line: 7
+          }
+        },
+        target: "https://www.github.com/github/codeql-action/tree/v2/init",
+        tooltip: "Open action on GitHub"
+      }
+    ]);
+  });
+});

actions-languageservice/src/document-links.ts

@@ -0,0 +1,51 @@
+import {convertWorkflowTemplate, parseWorkflow} from "@github/actions-workflow-parser";
+import {ErrorPolicy} from "@github/actions-workflow-parser/model/convert";
+import {File} from "@github/actions-workflow-parser/workflows/file";
+import {TextDocument} from "vscode-languageserver-textdocument";
+import {DocumentLink} from "vscode-languageserver-types";
+import {parseActionReference} from "./action";
+import {nullTrace} from "./nulltrace";
+import {mapRange} from "./utils/range";
+
+export async function documentLinks(document: TextDocument): Promise<DocumentLink[] | null> {
+  const file: File = {
+    name: document.uri,
+    content: document.getText()
+  };
+
+  const result = parseWorkflow(file.name, [file], nullTrace);
+  if (!result.value) {
+    return [];
+  }
+
+  const template = convertWorkflowTemplate(result.context, result.value!, ErrorPolicy.TryConversion);
+
+  // Add links to referenced actions
+  const actionLinks: DocumentLink[] = [];
+
+  // TODO: Support base uri for GHES
+  const gitHubBaseUri = "https://www.github.com/";
+
+  for (const job of template?.jobs || []) {
+    for (const step of job?.steps || []) {
+      if ("uses" in step) {
+        const actionRef = parseActionReference(step.uses.value);
+        if (!actionRef) {
+          continue;
+        }
+
+        const url = `${gitHubBaseUri}${actionRef.owner}/${actionRef.name}/tree/${actionRef.ref}/${
+          actionRef.path || ""
+        }`;
+
+        actionLinks.push({
+          range: mapRange(step.uses.range),
+          target: url,
+          tooltip: `Open action on GitHub`
+        });
+      }
+    }
+  }
+
+  return [...actionLinks];
+}

actions-languageservice/src/index.ts

@@ -1,6 +1,7 @@
 export {complete} from "./complete";
 export {ContextProviderConfig} from "./context-providers/config";
+export {documentLinks} from "./document-links";
 export {hover} from "./hover";
 export {Logger, LogLevel, registerLogger, setLogLevel} from "./log";
-export {validate} from "./validate";
+export {validate, ValidationConfig} from "./validate";
 export {ValueProviderConfig, ValueProviderKind} from "./value-providers/config";

actions-languageservice/src/utils/find-token.test.ts

@@ -1,4 +1,4 @@
-import {isScalar, parseWorkflow} from "@github/actions-workflow-parser/.";
+import {isScalar, parseWorkflow} from "@github/actions-workflow-parser";
 import {TemplateToken} from "@github/actions-workflow-parser/templates/tokens/template-token";
 import {TokenType} from "@github/actions-workflow-parser/templates/tokens/types";
 import {nullTrace} from "../nulltrace";