step-1: import main search implementations into node

1 files changed, 25 insertions, 0 deletions

diff --git a/pieces/kbutils.js b/pieces/kbutils.js
new file mode 100644
index 0000000..b8ae0ad
--- /dev/null
+++ b/pieces/kbutils.js
@@ -0,0 +1,25 @@
+/** keyboardize
+ * -------------------------------------------------------------------------
+ * translates string to keyboard-latin keys
+ * (the ones that used whan typing each letter of the word)
+ * 
+ * @param str (string): original string (utf8 of latin or greek subgroups)
+ * @return (string): latin/ascii equivalent string
+ */
+
+_kbu = {
+    ORiGiNal:'ςερτυθιοπασδφγηξκλζχψωβνμΕΡΤΥΘΙΟΠΑΣΔΦΓΗΞΚΛΖΧΨΩΒΝΜάέήίόύώϊΐϋΆΈΉΊΌΎΏΪΫQWERTYUIOPASDFGHJKLZXCVBNMqwertyuiopasdfghjklzxcvbnm0123456789- '.split(''),
+    kbKeyZed: 'sertyuiopasdfghjklzxcvbnmertyuiopasdfghjklzxcvbnmaehioyviiyaehioyviyqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnm0123456789- '.split(''),
+    map: new Map()
+}
+for (var i=0; i<_kbu.ORiGiNal.length; i++) _kbu.map.set(_kbu.ORiGiNal[i], _kbu.kbKeyZed[i]);
+
+_kbu.keyboardize = (str) => {
+    str = str.replace('\'','');
+    var out = '';
+    // [map]'s implementation is 40x faster than [for]'s
+    for (var i=0 ; i< str.length; i++)  out += _kbu.map.get(str[i]);
+    return out;
+}
+
+exports.keybutil = _kbu;
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