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Make translateTo faster and aware of line breaks 

Speed improvement is due to using a function regex instead of multiple
find/replace calls.
This commit is contained in:
toby 2017-02-03 18:34:46 -05:00
parent 9bf0d66b88
commit b9f1cf968f
1 changed files with 28 additions and 16 deletions
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44
src/js/operations/MorseCode.js
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@ -96,27 +96,39 @@ var MorseCode = {
var letter_delim = MorseCode.OPTION_TABLE[args[1]];
var word_delim = MorseCode.OPTION_TABLE[args[2]];
var words = input.split(/ +/);
words = Array.prototype.map.call(words, function(word) {
var letters = Array.prototype.map.call(word, function(character) {
var letter = character.toUpperCase();
if(typeof MorseCode.MORSE_TABLE[letter] == "undefined") {
return "";
}
input = input.split(/\r?\n/);
input = Array.prototype.map.call(input, function(line) {
var words = line.split(/ +/);
words = Array.prototype.map.call(words, function(word) {
var letters = Array.prototype.map.call(word, function(character) {
var letter = character.toUpperCase();
if(typeof MorseCode.MORSE_TABLE[letter] == "undefined") {
return "";
}
return MorseCode.MORSE_TABLE[letter];
return MorseCode.MORSE_TABLE[letter];
});
return letters.join("<ld>");
});
return letters.join("<ld>");
line = words.join("<wd>");
return line;
});
input = input.join("\n");
var morse = words.join("<wd>");
morse = morse.replace(/<dash>/g, dash);
morse = morse.replace(/<dot>/g, dot);
morse = morse.replace(/<ld>/g, letter_delim);
morse = morse.replace(/<wd>/g, word_delim);
input = input.replace(
/<dash>|<dot>|<ld>|<wd>/g,
function(match) {
switch(match) {
case "<dash>": return dash;
case "<dot>": return dot;
case "<ld>": return letter_delim;
case "<wd>": return word_delim;
}
}
);
return morse;
return input;
},