Eslint (#169)

* Add eslint

* Fix linter errors

.eslintignore

@@ -0,0 +1 @@
+/node_modules

.eslintrc.json

@@ -0,0 +1,9 @@
+{
+  "extends": "@darkskyapp",
+  "rules": {
+    "global-require": "off",
+    "max-len": "off",
+    "multiline-comment-style": ["error", "separate-lines"],
+    "no-unused-vars": ["error", {"args": "none"}]
+  }
+}

.gitignore

@@ -1,7 +1,8 @@
-*.swp
-.idea/
 *.lock
 *.log
-node_modules
+*.swp
+.DS_Store
+.idea/
+/package-lock.json
 build
-.DS_Store
+node_modules

index.js

@@ -4,9 +4,11 @@ const path = require("path");
 const Translation = require("./lib/translation");
 
 for(const pathname of fs.readdirSync(path.join(__dirname, "lib/lang"))) {
-  const match = /^([^\.].*)\.js$/.exec(pathname);
+  const match = /^([^.].*)\.js$/.exec(pathname);
 
   if(match) {
-    exports[match[1]] = new Translation(Object.freeze(require("./lib/lang/" + pathname)));
+    const template = require("./lib/lang/" + pathname);
+    Object.freeze(template);
+    exports[match[1]] = new Translation(template);
   }
 }

lib/lang/ar.js

@@ -1,15 +1,15 @@
 "use strict";
 
 function join(a, b, joiner) {
-	return (a.slice(0, 4) === "يوم " && b.slice(0, 4) === "يوم " && joiner === " و ")
-			? "يومي " + a.slice(4) + joiner + b.slice(4)
-			: a + joiner + b;
+  return (a.slice(0, 4) === "يوم " && b.slice(0, 4) === "يوم " && joiner === " و ")
+    ? "يومي " + a.slice(4) + joiner + b.slice(4)
+    : a + joiner + b;
 }
 
 function strip_prefix(period) {
-  return period.slice(0, 10) === "خلال الليل" ? period.slice(5) : 
-         period.slice(0, 3) ===   "في " ? period.slice(3) :
-                                              period;
+  return period.slice(0, 10) === "خلال الليل" ? period.slice(5) :
+    period.slice(0, 3) === "في " ? period.slice(3) :
+      period;
 }
 
 module.exports = {
@@ -98,7 +98,7 @@ module.exports = {
   "with": "$1 مع $2",
   "range": "$1\u2013$2",
   "parenthetical": function(a, b) {
-    return a + " (" + b + (a === "هطول أمطار وثلوج" ? " من الثلج)" : ")" );//a + " (" + b + ")";
+    return a + " (" + b + (a === "هطول أمطار وثلوج" ? " من الثلج)" : ")" );// a + " (" + b + ")";
   },
   "for-hour": "$1 لهذه الساعة",
   "starting-in": "$1 تبدأ خلال $2",

lib/lang/az.js

@@ -97,12 +97,12 @@ module.exports = {
   "temperatures-rising": "$2 temperatur $1-yə qalxacaq",
   "temperatures-valleying": "$2 hava kəskin soyuyacaq və temperatur $1-yə düşəcək",
   "temperatures-falling": "$2 temperatur $1-yə düşəcək",
-  
-  /* Capitalize the first letter of every word, except if that word is
-   * "and". (This is a very crude bastardization of proper English titling
-   * rules, but it is adequate for the purposes of this module.) */
+
+  // Capitalize the first letter of every word, except if that word is
+  // "and". (This is a very crude bastardization of proper English titling
+  // rules, but it is adequate for the purposes of this module.)
   "title": str => str.replace(
-    /([a-zA-ZÇ窺IıƏəÖöĞğÜü.]+)/g, 
+    /([a-zA-ZÇ窺IıƏəÖöĞğÜü.]+)/g,
     txt => (txt === "və" || txt === "düym" || txt === "sm.")?
       txt:
       txt.charAt(0).toUpperCase() + txt.substr(1).toLowerCase()

lib/lang/be.js

@@ -1,16 +1,14 @@
 "use strict";
 
 function join_with_shared_prefix(a, b, joiner) {
-  var m = a,
-      i = 0,
-      j;
+  let i = 0;
 
-  while(i !== m.length &&
+  while(i !== a.length &&
         i !== b.length &&
-        m.charCodeAt(i) === b.charCodeAt(i))
+        a.charCodeAt(i) === b.charCodeAt(i))
     ++i;
 
-  while(i && m.charCodeAt(i - 1) !== 32)
+  while(i && a.charCodeAt(i - 1) !== 32)
     --i;
 
   return a + joiner + b.slice(i);
@@ -172,14 +170,14 @@ module.exports = {
         word.charAt(0).toUpperCase() + word.slice(1);
     });
   },
-  /* Replace u with short u after vowels in the begnning of the words, 
-   * capitalize the first word of the sentence and end with a period. */
+  // Replace u with short u after vowels in the begnning of the words,
+  // capitalize the first word of the sentence and end with a period.
   "sentence": function(str) {
     /* Replace u with short u after vowels in the begnning of the words */
     str = str.replace(/[аеёіоуыэюя]\sу/gi, function(word) {
       return word.slice(0, -1) + "ў";
     });
-    
+
     /* Capitalize. */
     str = str.charAt(0).toUpperCase() + str.slice(1);
 

lib/lang/bg.js

@@ -1,16 +1,14 @@
 "use strict";
 
 function join_with_shared_prefix(a, b, joiner) {
-  var m = a,
-      i = 0,
-      j;
+  let i = 0;
 
-  while(i !== m.length &&
+  while(i !== a.length &&
         i !== b.length &&
-        m.charCodeAt(i) === b.charCodeAt(i))
+        a.charCodeAt(i) === b.charCodeAt(i))
     ++i;
 
-  while(i && m.charCodeAt(i - 1) !== 32)
+  while(i && a.charCodeAt(i - 1) !== 32)
     --i;
 
   return a + joiner + b.slice(i);
@@ -114,7 +112,7 @@ module.exports = {
     );
   },
   "through": function(a, b) {
-    //return join_with_shared_prefix(a, time2(b), " до ");
+    // return join_with_shared_prefix(a, time2(b), " до ");
     return "от " + a + " до " + time2(b);
   },
   "with": "$1, с $2",
@@ -128,16 +126,16 @@ module.exports = {
   "for-day": "$1 през целият ден",
   "starting": "$1 започва $2",
   "until": function(condition, time) {
-    //return condition + " до " + time2(time);
+    // return condition + " до " + time2(time);
     return condition + " " + time;
   },
   "until-starting-again": function(condition, timeUntil, timeAgain){
-    //timeUntil = time2(timeUntil);
+    // timeUntil = time2(timeUntil);
     return condition + " до " + timeUntil + ", започва отново " + timeAgain;
   },
   "starting-continuing-until": function(condition, timeFrom, timeTo) {
-    //timeFrom = time2(timeFrom);
-    //timeTo = time2(timeTo);
+    // timeFrom = time2(timeFrom);
+    // timeTo = time2(timeTo);
     return condition + ", започва от " + timeFrom + ", до " + timeTo;
   },
   "during": function(condition, time) {

lib/lang/bs.js

@@ -1,16 +1,14 @@
 "use strict";
 
 function join_with_shared_prefix(a, b, joiner) {
-  var m = a,
-      i = 0,
-      j;
+  let i = 0;
 
-  while(i !== m.length &&
+  while(i !== a.length &&
         i !== b.length &&
-        m.charCodeAt(i) === b.charCodeAt(i))
+        a.charCodeAt(i) === b.charCodeAt(i))
     ++i;
 
-  while(i && m.charCodeAt(i - 1) !== 32)
+  while(i && a.charCodeAt(i - 1) !== 32)
     --i;
 
   return a + joiner + b.slice(i);
@@ -121,9 +119,9 @@ module.exports = {
   "temperatures-rising": "temperaturom raste do $1 $2",
   "temperatures-valleying": "temperaturom najniže do $1 $2",
   "temperatures-falling": "temperaturom pada do $1 $2",
-  /* Capitalize the first letter of every word, except if that word is
-   * "and". (This is a very crude bastardization of proper English titling
-   * rules, but it is adequate for the purposes of this module.) */
+  // Capitalize the first letter of every word, except if that word is
+  // "and". (This is a very crude bastardization of proper English titling
+  // rules, but it is adequate for the purposes of this module.)
   "title": function(str) {
     return str.charAt(0).toUpperCase() + str.slice(1);
   },

lib/lang/ca.js

@@ -1,16 +1,14 @@
 "use strict";
 
 function join_with_shared_prefix(a, b, joiner) {
-  var m = a,
-      i = 0,
-      j;
+  let i = 0;
 
-  while(i !== m.length &&
+  while(i !== a.length &&
         i !== b.length &&
-        m.charCodeAt(i) === b.charCodeAt(i))
+        a.charCodeAt(i) === b.charCodeAt(i))
     ++i;
 
-  while(i && m.charCodeAt(i - 1) !== 32)
+  while(i && a.charCodeAt(i - 1) !== 32)
     --i;
 
   return a + joiner + b.slice(i);