add new translation check to find duplicates

and move all translation scripts into a dedicated folder

package.json

@@ -45,8 +45,8 @@
     "lint:js": "jshint --config .jshintrc --exclude-path .jshintignore .",
     "lint:server": "jshint --config .jshintrc lib",
     "lint:less": "./node_modules/lesshint/bin/lesshint -c ./.lesshintrc ./customize.dist/src/less2/",
-    "lint:translations": "node ./scripts/lint-translations.js",
-    "unused-translations": "node ./scripts/unused-translations.js",
+    "lint:translations": "node ./scripts/translations/lint-translations.js",
+    "unused-translations": "node ./scripts/translations/unused-translations.js",
     "test": "node scripts/TestSelenium.js",
     "test-rpc": "cd scripts/tests && node test-rpc",
     "template": "cd customize.dist/src && for page in ../index.html ../privacy.html ../terms.html ../contact.html ../what-is-cryptpad.html ../features.html ../../www/login/index.html ../../www/register/index.html ../../www/user/index.html;do echo $page; cp template.html $page; done;",

scripts/translations/find-duplicate-translations.js

@@ -0,0 +1,55 @@
+var Util = require("../lib/common-util");
+var EN = Util.clone(require("../www/common/translations/messages.json"));
+var FR = Util.clone(require("../www/common/translations/messages.fr.json"));
+var DE = Util.clone(require("../www/common/translations/messages.de.json"));
+var JP = Util.clone(require("../www/common/translations/messages.ja.json"));
+
+var keys = Object.keys(EN);
+
+var duplicates = {};
+var addIfAbsent = function (A, e) {
+    if (A.includes(e)) { return; }
+    A.push(e);
+};
+var markDuplicate = function  (value, key1, key2) {
+    //console.log("[%s] === [%s] (%s)", key1, key2, value);
+    if (!Array.isArray(duplicates[value])) {
+        duplicates[value] = [];
+    }
+    addIfAbsent(duplicates[value], key1);
+    addIfAbsent(duplicates[value], key2);
+};
+
+keys.forEach(function (key) {
+    var value = EN[key];
+
+    //var duplicates = [];
+    keys.forEach(function (key2) {
+        if (key === key2) { return; }
+        var value2 = EN[key2];
+        if (value === value2) {
+            markDuplicate(value, key, key2);
+        }
+    });
+});
+
+// indicate which strings are duplicated and could potentially be changed to use one key
+Object.keys(duplicates).forEach(function (val) {
+    console.log('\"%s\" => %s', val, JSON.stringify(duplicates[val]));
+});
+
+// TODO iterate over all languages and
+
+// 1) check whether the same mapping exists across languages
+// ie. English has "Open" (verb) and "Open" (adjective)
+// while French has "Ouvrir" and "Ouvert(s)"
+// such keys should not be simplified/deduplicated
+
+
+
+// find instances where
+// one of the duplicated keys is not translated
+// perhaps we could automatically use the translated one everywhere
+// and improve the completeness of translations
+
+