Upgrade dependencies and remove deprecated prettier syntax

.github/workflows/nodejs.yml

@@ -16,7 +16,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [12.x]
+        node-version: [18.x]
 
     steps:
     - uses: actions/checkout@v2

package.json

@@ -23,15 +23,15 @@
   "author": "",
   "license": "ISC",
   "dependencies": {
-    "@fluent/syntax": "^0.16.0",
-    "@types/prettier": "^2.1.0",
-    "typescript": "3.7.5"
+    "@fluent/syntax": "^0.19.0",
+    "@types/prettier": "^3",
+    "typescript": "^5.3.3"
   },
   "devDependencies": {
-    "@types/mocha": "^7.0.2",
-    "@types/node": "^14.0.1",
-    "mocha": "^7.1.2",
+    "@types/mocha": "^10",
+    "@types/node": "^18",
+    "mocha": "^10.0.0",
     "npm-run-all": "^4.1.5",
-    "prettier": "^2.0.5"
+    "prettier": "^3.x"
   }
 }

src/index.test.ts

@@ -1,8 +1,9 @@
 import * as prettier from 'prettier';
 import * as assert from 'assert';
+import * as prettierPluginFluent from './index';
 
 describe('prettier-plugin-fluent', () => {
-  it('alphabetizes entries', () => {
+  it('alphabetizes entries', async () => {
     const code = `
 b = Beluga
 bad syntax stays with subsequent entry
@@ -11,9 +12,9 @@ a = Abe {$x}
 bad syntax at end is preserved
 `;
 
-    const pretty = prettier.format(code, {
+    const pretty = await prettier.format(code, {
       parser: 'fluent-parse' as any,
-      plugins: ['.'],
+      plugins: [prettierPluginFluent],
     });
 
     assert.equal(
@@ -24,7 +25,7 @@ bad syntax stays with subsequent entry
 a = Abe { $x }
 b = Beluga
 bad syntax at end is preserved
-`.trim()
+`.trim(),
     );
   });
 });

src/index.ts

@@ -2,7 +2,6 @@ import * as prettier from 'prettier';
 import * as FTL from '@fluent/syntax';
 
 // A prettier plugin that alphabetizes the entries in an Fluent file
-
 const plugin: prettier.Plugin = {
   languages: [
     {
@@ -36,11 +35,11 @@ const plugin: prettier.Plugin = {
   printers: {
     'fluent-ast': {
       print(
-        path: prettier.FastPath,
+        path: prettier.AstPath,
         _options: prettier.ParserOptions,
-        _print: (path: prettier.FastPath) => prettier.Doc
+        _print: (path: prettier.AstPath) => prettier.Doc,
       ): prettier.Doc {
-        const node: FTL.Resource = path.getValue();
+        const node: FTL.Resource = path.node;
 
         const entries: {
           id: string;