Added eslint validation

3 files changed, 63 insertions, 9 deletions

diff --git a/.eslintrc.js b/.eslintrc.js
new file mode 100644
index 0000000..d1074ab
--- /dev/null
+++ b/.eslintrc.js
@@ -0,0 +1,36 @@
+module.exports = {
+	"env": {
+		"browser": true,
+		"es2021": true
+	},
+	"extends": "eslint:recommended",
+	"overrides": [
+		{
+			"files": ["**/*.js"],
+			"globals": {
+				"CWDATA": "writable",
+			},
+		},
+	],
+	"parserOptions": {
+		"ecmaVersion": "latest"
+	},
+	"rules": {
+		"indent": [
+			"error",
+			"tab"
+		],
+		"linebreak-style": [
+			"error",
+			"unix"
+		],
+		"quotes": [
+			"error",
+			"double"
+		],
+		"semi": [
+			"error",
+			"always"
+		]
+	}
+};
diff --git a/GNUmakefile b/GNUmakefile
new file mode 100644
index 0000000..bb10536
--- /dev/null
+++ b/GNUmakefile
@@ -0,0 +1,18 @@
+SHELL:=bash
+
+.PHONY: check
+check: ## make check  # Check syntax of eventline jobs
+	eslint index.js
+
+.PHONY: init
+init: ## make init  # initialize project dependencies
+	npm install eslint
+
+.PHONY: serve
+serve: ## make serve  # run a python web server
+	python -m http.server 8000
+
+help:
+	@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-20s\033[0m %s\n", $$1, $$2}'
+
+.DEFAULT_GOAL := help
diff --git a/index.js b/index.js
index a997839..ef244ae 100644
--- a/index.js
+++ b/index.js
@@ -1,4 +1,4 @@
-'use strict';
+"use strict";
 
 var CW = function(){
 	//   0 point : blanches × 2.
@@ -30,7 +30,7 @@ var CW = function(){
 		"H", "H",
 		"V", "V",
 		"J", "Q", "K", "W", "X", "Y", "Z"
-	]
+	];
 	const points = {
 		" ": 0,
 		E:1, A:1, I:1, N:1, O:1, R:1, S:1, T:1, U:1, L:1,
@@ -166,10 +166,10 @@ var CW = function(){
 				const line = CWDATA.board[y];
 				for(x=0; x<line.length; x++) {
 					letter = line[x];
-					elt = document.getElementById(['s', y, '_', x].join(''));
+					elt = document.getElementById(["s", y, "_", x].join(""));
 					if (letter !== "") {
 						elt.className = "letter";
-						elt.innerHTML = [letter, '<div class="points">', points[letter], "</div>"].join("");
+						elt.innerHTML = [letter, "<div class=\"points\">", points[letter], "</div>"].join("");
 						// we also remove the letter from the pool
 						idx = letters.findIndex(function(elt) { return elt === letter; });
 						if (idx != -1) {
@@ -210,9 +210,9 @@ var CW = function(){
 						prev = "JOKER";
 					}
 					if (y > 1) {
-						letters_left = letters_left.concat(prev, 'x', y, ', ');
+						letters_left = letters_left.concat(prev, "x", y, ", ");
 					} else {
-						letters_left = letters_left.concat(prev, ', ');
+						letters_left = letters_left.concat(prev, ", ");
 					}
 					prev = letter;
 					y = 1;
@@ -223,12 +223,12 @@ var CW = function(){
 					prev = "blanc";
 				}
 				if (y > 1) {
-					letters_left = letters_left.concat(prev, 'x', y, '.');
+					letters_left = letters_left.concat(prev, "x", y, ".");
 				} else {
-					letters_left = letters_left.concat(prev, '.');
+					letters_left = letters_left.concat(prev, ".");
 				}
 			}
-			document.getElementById('letters_left').innerHTML = letters_left.join('');
+			document.getElementById("letters_left").innerHTML = letters_left.join("");
 		}
 	};
 }();