ts-plugin. Works in VS Code, haven't managed to configure Emacs to work with it yet.

packages/ts-plugin/examples/typescript/src/box.ts

@@ -2,13 +2,17 @@
 /// SPDX-FileCopyrightText: Copyright © 2016-2021 Tony Garnock-Jones <tonyg@leastfixedpoint.com>
 
 import { BoxState, SetBox, N } from './protocol.js';
+import { Ref } from '@syndicate-lang/core';
 
-boot {
+export function boot(ds: Ref) {
     spawn named 'box' {
-        field value: number = 0;
+        field boxValue: number = 0;
-        assert BoxState(this.value);
+        at ds {
-        stop on (this.value === N)
+            assert BoxState(boxValue.value);
+            on message SetBox($v: number) => boxValue.value = v;
+        }
+        stop on (boxValue.value === N) {
             console.log('terminated box root facet');
-        on message SetBox($v: number) => this.value = v;
+        }
     }
 }

packages/ts-plugin/examples/typescript/src/client.ts

@@ -2,10 +2,16 @@
 /// SPDX-FileCopyrightText: Copyright © 2016-2021 Tony Garnock-Jones <tonyg@leastfixedpoint.com>
 
 import { BoxState, SetBox } from './protocol.js';
+import { Ref } from '@syndicate-lang/core';
 
-boot {
+export function boot(ds: Ref, doneCallback: () => void) {
     spawn named 'client' {
-        on asserted BoxState($v: number) => send message SetBox(v + 1);
+        at ds {
-        on retracted BoxState(_) => console.log('box gone');
+            on asserted BoxState($v: number) => send message SetBox(v + 1);
+            on retracted BoxState(_) => {
+                console.log('box gone');
+                doneCallback();
+            }
+        }
     }
 }

packages/ts-plugin/examples/typescript/src/index.ts

@@ -2,11 +2,14 @@
 /// SPDX-FileCopyrightText: Copyright © 2016-2021 Tony Garnock-Jones <tonyg@leastfixedpoint.com>
 
 import { N } from './protocol.js';
-activate import './box.js';
+import * as Box from './box.js';
-activate import './client.js';
+import * as Client from './client.js';
+import { Actor, Dataspace, Turn } from '@syndicate-lang/core';
 
 console.time('box-and-client-' + N.toString());
-boot {
+Actor.boot(() => {
-    thisFacet.actor.dataspace.ground().addStopHandler(() =>
+    Turn.activeFacet.preventInertCheck();
-        console.timeEnd('box-and-client-' + N.toString()));
+    const ds = create new Dataspace();
-}
+    Box.boot(ds);
+    Client.boot(ds, () => console.timeEnd('box-and-client-' + N.toString()));
+});

packages/ts-plugin/examples/typescript/src/protocol.ts

@@ -1,7 +1,7 @@
 /// SPDX-License-Identifier: GPL-3.0-or-later
 /// SPDX-FileCopyrightText: Copyright © 2016-2021 Tony Garnock-Jones <tonyg@leastfixedpoint.com>
 
-export assertion type BoxState(value);
+export assertion type BoxState(value: number);
-export message type SetBox(newValue);
+export message type SetBox(newValue: number);
 
 export const N = 100000;

packages/ts-plugin/package.json

@@ -21,9 +21,9 @@
     "@syndicate-lang/core": "^0.6.0"
   },
   "devDependencies": {
-    "typescript": "^4.1.3"
+    "typescript": "^4.5"
   },
   "peerDependencies": {
-    "typescript": "^4.1.3"
+    "typescript": "^4.5"
   }
 }

packages/ts-plugin/src/index.ts

@@ -173,7 +173,7 @@ const boot: tslib.server.PluginModuleFactory = ({ typescript: ts }) => {
                         return sf;
                     } catch (e) {
                         console.error(e);
-                        onError?.(e.message);
+                        onError?.((e as any).message ?? '<no error message available>');
                         return undefined;
                     }
                 } else {
@@ -223,6 +223,10 @@ const boot: tslib.server.PluginModuleFactory = ({ typescript: ts }) => {
             this.inner = inner;
         }
 
+        provideInlayHints(fileName: string, span: ts.TextSpan, preferences: ts.UserPreferences | undefined): ts.InlayHint[] {
+            throw new Error('Method not implemented.');
+        }
+
         getFileReferences(fileName: string): tslib.ReferenceEntry[] {
             throw new Error('Method not implemented.');
         }
@@ -330,13 +334,19 @@ const boot: tslib.server.PluginModuleFactory = ({ typescript: ts }) => {
                 });
         }
 
-        getCompletionEntryDetails(fileName: string, position: number, entryName: string, formatOptions: ts.FormatCodeOptions | ts.FormatCodeSettings | undefined, source: string | undefined, preferences: ts.UserPreferences | undefined): ts.CompletionEntryDetails | undefined {
+        getCompletionEntryDetails(fileName: string,
+                                  position: number,
+                                  entryName: string,
+                                  formatOptions: ts.FormatCodeOptions | ts.FormatCodeSettings | undefined,
+                                  source: string | undefined,
+                                  preferences: ts.UserPreferences | undefined,
+                                  data: ts.CompletionEntryData | undefined): ts.CompletionEntryDetails | undefined {
             return withPosition(
                 fileName, position,
-                () => this.inner.getCompletionEntryDetails(fileName, position, entryName, formatOptions, source, preferences),
+                () => this.inner.getCompletionEntryDetails(fileName, position, entryName, formatOptions, source, preferences, data),
                 () => void 0,
                 (fixup) => {
-                    const d = this.inner.getCompletionEntryDetails(fileName, fixup.targetStart, entryName, formatOptions, source, preferences);
+                    const d = this.inner.getCompletionEntryDetails(fileName, fixup.targetStart, entryName, formatOptions, source, preferences, data);
                     if (d !== void 0) {
                         d.codeActions?.forEach(a =>
                             a.changes.forEach(c =>

packages/tsc/package.json

@@ -25,9 +25,9 @@
   },
   "devDependencies": {
     "@types/yargs": "^15.0.12",
-    "typescript": "^4.1.3"
+    "typescript": "^4.5"
   },
   "peerDependencies": {
-    "typescript": "^4.1.3"
+    "typescript": "^4.5"
   }
 }