added utils folder; added several suplamentary modules

1 files changed, 0 insertions, 84 deletions

diff --git a/pieces/kb-util.js b/pieces/kb-util.js
deleted file mode 100644
index 5441861..0000000
--- a/pieces/kb-util.js
+++ /dev/null
@@ -1,84 +0,0 @@
-// suplamentary arrays (mostly for cache)
-// --- -- -- - - -
-
-var ORiGiNal = 'ςερτυθιοπασδφγηξκλζχψωβνμΕΡΤΥΘΙΟΠΑΣΔΦΓΗΞΚΛΖΧΨΩΒΝΜάέήίόύώϊΐϋΆΈΉΊΌΎΏΪΫQWERTYUIOPASDFGHJKLZXCVBNMqwertyuiopasdfghjklzxcvbnm0123456789- '.split('');
-
-var kbKeyZed = 'sertyuiopasdfghjklzxcvbnmertyuiopasdfghjklzxcvbnmaehioyviiyaehioyviyqwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnm0123456789- '.split('');
-
-var map = new Map();
-for (var i=0; i<ORiGiNal.length; i++) map.set(ORiGiNal[i], kbKeyZed[i]);
-
-
-// cache (=create a global array)
-// of accended to non-accended vowels mapping
-// --- -- -- - - -
-accented_vowels = [];   
-[
-    'ά α', 'έ ε', 'ή η', 'ί ι', 'ϊ ι', 'ΐ ι', 'ό ο', 'ύ υ', 'ϋ υ', 'ώ ω',
-    'Ά Α', 'Έ Ε', 'Ή Η', 'Ί Ι', 'Ϊ Ι', 'Ό Ο', 'Ύ Υ', 'Ϋ Υ', 'Ώ Ω'
-].forEach( pair => {
-    ap = pair.split(' ');
-    accented_vowels.push({
-        a: ap[0],   // accented
-        p: ap[1]    // pure = non accended
-    });
-});
-
-
-// translates string to keyboard-latin keys
-// (the ones that used whan typing each letter of the word)
-const 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 += map.get(str[i]);
-    return out;
-}
-
-// keyboardize an array of strings
-const keyb_array = (arr) => {
-    kb_arr = [];
-    arr.forEach( w => {
-        kb_arr.push(keyboardize(w));
-    });
-    return kb_arr;
-}
-
-
-// transforms to lowercase; handles sigma-teliko
-const sanitizeGR = (str) => {
-    str = str.toLowerCase();
-
-    // replace accended vowels with pure ones
-    accented_vowels.forEach( v => {
-        str = str.replaceAll(v.a, v.p);
-    });
-
-    // replace sigma on the end of words
-    str = str + ' ';
-    str = str.replaceAll('σ-', 'ς-');
-    str = str.replaceAll('σ ', 'ς ');
-    
-    return str;
-}
-
-// removes non keyword characters [+ . , !] and internal multiple-spaces
-// @param txt (string): product description
-const clean = (txt) => {
-    return txt.replace('+',' ').replace('.',' ').replace(',',' ')   // change to space
-        .replace('!','').replace('\"', '')                  // remove character
-        .replace('   ',' ').replace('  ',' ');          // remove multiple spaces
-}
-
-
-// exports
-// --- -- -- - - -
-
-module.exports = {
-    map,
-    accented_vowels,
-    keyboardize,
-    keyb_array,
-    sanitizeGR,
-    clean
-};
\ No newline at end of file