restructure code, internalize devices

src/kiri/lang.js

@@ -0,0 +1,58 @@
+/** Copyright Stewart Allen <sa@grid.space> -- All Rights Reserved */
+
+"use strict";
+
+(function() {
+
+    if (self.kiri.lang) return;
+
+    const KIRI = self.kiri, LANG = self.kiri.lang = { current: {} };
+
+    let lset = navigator.language.toLocaleLowerCase();
+
+    LANG.get = function() {
+        return lset;
+    };
+
+    LANG.set = function() {
+        let map, key, keys = [...arguments];
+        // provide default if none given
+        if (keys.length === 0) {
+            keys = [lset, lset.split('-')[0], 'en'];
+        }
+        for (let i=0; i<keys.length; i++)
+        {
+            key = keys[i]
+            if (!(map = LANG[key])) {
+                continue;
+            }
+            lset = key;
+            let missing = [];
+            let invalid = [];
+            // default to EN values when missing
+            Object.keys(LANG.en).forEach(key => {
+                if (!map[key]) {
+                    map[key] = LANG.en[key];
+                    missing.push(key);
+                }
+            });
+            // update current map from chosen map
+            Object.keys(map).forEach(key => {
+                if (LANG.en[key]) {
+                    LANG.current[key] = map[key];
+                } else {
+                    invalid.push(key);
+                }
+            });
+            if (missing.length) {
+                console.log(`language map "${key}" missing keys [${missing.length}]: ${missing.join(', ')}`);
+            }
+            if (invalid.length) {
+                console.log(`language map "${key}" invalid keys [${invalid.length}]: ${invalid.join(', ')}`);
+            }
+            return key;
+        }
+        return undefined;
+    }
+
+})();