Merge pull request #252 from ts-graphviz/update-jest26

update to jest@26

Author: kamiazya

.github/workflows/node-ci.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        node-version: [8.x, 10.x, 12.x]
+        node-version: [10.x, 12.x, 14.x]
         os: [ubuntu-latest, macos-latest]
 
     steps:

package.json

@@ -18,25 +18,26 @@
   "module": "dist/index.mjs",
   "types": "dist/index.d.ts",
   "peerDependencies": {
-    "jest-snapshot": ">=24"
+    "jest": ">=26"
   },
   "dependencies": {
-    "@types/jest": "^24.0.22",
-    "jest": "^24.9.0"
+    "jest-snapshot": "^26.6.2",
+    "tslib": "^2.1.0"
   },
   "devDependencies": {
-    "@kamiazya/jest-dynamic": "^0.0.1",
-    "@rollup/plugin-node-resolve": "^7.0.0",
-    "@types/node": "^13.1.6",
-    "jest-snapshot": "^25.4.0",
+    "@kamiazya/jest-dynamic": "^0.1.0",
+    "@rollup/plugin-node-resolve": "^11.0.1",
+    "@types/jest": "^26.0.20",
+    "@types/node": "^14.14.20",
+    "jest": "^26.6.3",
     "prettier": "^1.19.1",
-    "rollup": "^1.29.0",
+    "rollup": "^2.36.1",
     "rollup-plugin-node-builtins": "^2.1.2",
-    "rollup-plugin-typescript2": "^0.25.3",
-    "ts-jest": "^24.1.0",
+    "rollup-plugin-typescript2": "^0.29.0",
+    "ts-jest": "^26.4.4",
     "tslint": "^5.20.1",
     "tslint-config-prettier": "^1.18.0",
     "tslint-plugin-prettier": "^2.0.1",
-    "typescript": "^3.7.2"
+    "typescript": "^4.1.3"
   }
 }

src/serializer.ts

@@ -8,7 +8,7 @@ function test(something: any): something is IWrapper {
   return something && typeof something[raw] === 'string';
 }
 
-function print(wrapper: IWrapper): string {
+function serialize(wrapper: IWrapper): string {
   return wrapper[raw];
 }
 
@@ -18,7 +18,7 @@ export function wrap(value: string): IWrapper {
 
 export const SnapshotSerializer: jest.SnapshotSerializerPlugin = {
   test,
-  print,
+  serialize,
 };
 
 expect.addSnapshotSerializer(SnapshotSerializer);