[CONFIG] [Github Actions]: JSON format/check in verbose mode

.github/workflows/docker-image.yml

@@ -105,6 +105,16 @@ jobs:
         run: >
           make compose/lint/yaml
 
+  run-lint-json:
+    name: "Run in docker: JSON LINT"
+    runs-on: ubuntu-26.04
+    steps:
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
+
+      - name: Run JSON lint
+        run: >
+          make compose/lint/json
+
   run-lint:
     name: "Run in docker: LINT"
     runs-on: ubuntu-26.04

.github/workflows/prettier-json.yml

@@ -0,0 +1,34 @@
+---
+name: Prettier JSON Lint
+
+on: # yamllint disable-line rule:truthy
+  push:
+    branches: ["main"]
+  pull_request:
+    # The branches below must be a subset of the branches above
+    branches: ["main"]
+  workflow_dispatch:
+
+jobs:
+  json-lint:
+    name: "Prettier JSON Lint"
+    runs-on: ["ubuntu-26.04"]
+    steps:
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v7
+        with:
+          node-version: 26.x
+
+      - name: Install Prettier
+        run: |
+          npm install -g --ignore-scripts prettier@3.9.8
+
+      - name: Tool check
+        run: |
+          prettier --version
+
+      - name: Prettier LINT / Style JSON
+        run: >
+          prettier --check ./**/*.json

.prettierignore

@@ -0,0 +1 @@
+/*.json

.prettierrc.yaml

@@ -0,0 +1,7 @@
+---
+singleQuote: true
+quoteProps: preserve
+useTabs: false
+printWidth: 80
+tabWidth: 2
+trailingComma: none

Makefile

@@ -84,10 +84,13 @@ lint/markdown:
 lint/yaml:
 	yamllint --strict . && echo '✔  Your code looks good.'
 
+lint/json:
+	prettier --check ./src/**/*.json
+
 lint: test/styling test/static
 lint-no-deps: test/styling test/static-no-deps
 
-lint/all: lint/markdown lint/yaml test/styling test/static
+lint/all: lint/markdown lint/yaml lint/json test/styling test/static
 
 test/static-no-deps:
 	cppcheck \
@@ -107,9 +110,14 @@ test/static: prebuild test/static-no-deps
 test/styling:
 	clang-format --dry-run --Werror $(FILES)
 
-format:
+format/sources:
 	clang-format -i --verbose $(FILES)
 
+format/json:
+	prettier --write ./src/**/*.json
+
+format: format/sources format/json
+
 test: env dependencies build clean/test
 	cd build && make test
 
@@ -152,14 +160,20 @@ compose/lint/markdown:
     markdownlint --config /workspace/.markdownlint.json '/workspace/**/*.md' \
 		&& echo '✔  Your code looks good.'
 
-
 compose/lint/yaml:
 	${DOCKER_COMPOSE} --profile lint run --rm \
     --workdir /workspace \
     -v "$$(pwd):/workspace" \
     yamllint --strict /workspace \
 		&& echo '✔  Your code looks good.'
 
+compose/lint/json:
+	${DOCKER_COMPOSE} --profile lint run --rm \
+    --workdir /workspace \
+    -v "$$(pwd):/workspace" \
+    prettier --check /workspace/**/*.json \
+		&& echo '✔  Your code looks good.'
+
 compose/test/styling: compose/build
 	${DOCKER_COMPOSE} --profile lint run --rm algorithm-exercises-c-lint make test/styling
 

compose.yaml

@@ -10,7 +10,7 @@ services:
       BRUTEFORCE: ${BRUTEFORCE:-false} ## (1) ## true | false
     volumes:
       - ./coverage:/app/coverage
-    profiles: ["testing"]
+    profiles: ['testing']
 
   algorithm-exercises-cpp-lint:
     image: algorithm-exercises-cpp:lint
@@ -21,21 +21,28 @@ services:
       - ./.clang-format:/app/.clang-format
       - ./Makefile:/app/Makefile
       - ./src:/app/src
-    profiles: ["lint"]
+    profiles: ['lint']
 
   markdownlint:
     image: goncl/markdownlint-cli:latest
     working_dir: /workspace
     volumes:
       - ./:/workspace
-    profiles: ["lint"]
+    profiles: ['lint']
 
   yamllint:
     image: goncl/yamllint:latest
     working_dir: /workspace
     volumes:
       - ./:/workspace
-    profiles: ["lint"]
+    profiles: ['lint']
+
+  prettier:
+    image: goncl/prettier:3.9.8
+    working_dir: /workspace
+    volumes:
+      - ./:/workspace
+    profiles: ['lint']
 
   algorithm-exercises-cpp-dev:
     image: algorithm-exercises-cpp:dev
@@ -47,7 +54,7 @@ services:
       BRUTEFORCE: ${BRUTEFORCE:-false} ## (1) ## true | false
     volumes:
       - ./:/app
-    profiles: ["development"]
+    profiles: ['development']
 
   algorithm-exercises-cpp:
     image: algorithm-exercises-cpp:latest
@@ -56,7 +63,7 @@ services:
       target: production
     # volumes:
     #   - ./:/app
-    profiles: ["production"]
+    profiles: ['production']
 
 ## REFERENCES:
 ## (1) Passing Environment variable with fallback value:

src/tests/unit/lib/hackerrank/warmup/birthday_cake_candles.testcases.json

@@ -1,4 +1,4 @@
 [
-  {"input": [3, 2, 1, 3], "expected": 2},
-  {"input": [1, 2, 3, 3], "expected": 2}
+  { "input": [3, 2, 1, 3], "expected": 2 },
+  { "input": [1, 2, 3, 3], "expected": 2 }
 ]

src/tests/unit/lib/hackerrank/warmup/diagonal_difference.testcases.json

@@ -1,6 +1,6 @@
 [
-  { "matrix":
-    [
+  {
+    "matrix": [
       [11, 2, 4],
       [4, 5, 6],
       [10, 8, -12]