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Use prompt.str to get the current prompt input #49

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Use prompt.str to get the current prompt input #49

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4 changes: 4 additions & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -71,6 +71,10 @@ is in the third position, this property will *not* overwrite the `value` paramet
Convenience method for creating a standard hidden password prompt,
this is the same as `prompt(ask, {echo: ''})`

## `prompt.str`

The value of the current string being edited, really only useful for grabbing the input that was ^C'd out of, if `sigint` is `true`.


# LINE EDITING
Line editing is enabled in the non-hidden mode. (use up/down arrows for history and backspace and left/right arrows for editing)
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47 changes: 24 additions & 23 deletions index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -70,7 +70,8 @@ function create(config) {
if (!wasRaw) { process.stdin.setRawMode && process.stdin.setRawMode(true); }

var buf = Buffer.alloc(3);
var str = '', character, read;
var character, read;
prompt.str = '';

savedstr = '';

Expand All @@ -91,27 +92,27 @@ function create(config) {
if (history.atStart()) break;

if (history.atEnd()) {
savedstr = str;
savedstr = prompt.str;
savedinsert = insert;
}
str = history.prev();
insert = str.length;
process.stdout.write('\u001b[2K\u001b[0G' + ask + str);
prompt.str = history.prev();
insert = prompt.str.length;
process.stdout.write('\u001b[2K\u001b[0G' + ask + prompt.str);
break;
case '\u001b[B': //down arrow
if (masked) break;
if (!history) break;
if (history.pastEnd()) break;

if (history.atPenultimate()) {
str = savedstr;
prompt.str = savedstr;
insert = savedinsert;
history.next();
} else {
str = history.next();
insert = str.length;
prompt.str = history.next();
insert = prompt.str.length;
}
process.stdout.write('\u001b[2K\u001b[0G'+ ask + str + '\u001b['+(insert+ask.length+1)+'G');
process.stdout.write('\u001b[2K\u001b[0G'+ ask + prompt.str + '\u001b['+(insert+ask.length+1)+'G');
break;
case '\u001b[D': //left arrow
if (masked) break;
Expand All @@ -122,15 +123,15 @@ function create(config) {
break;
case '\u001b[C': //right arrow
if (masked) break;
insert = (++insert > str.length) ? str.length : insert;
insert = (++insert > prompt.str.length) ? prompt.str.length : insert;
process.stdout.write('\u001b[' + (insert+ask.length+1) + 'G');
break;
default:
if (buf.toString()) {
str = str + buf.toString();
str = str.replace(/\0/g, '');
insert = str.length;
promptPrint(masked, ask, echo, str, insert);
prompt.str = prompt.str + buf.toString();
prompt.str = prompt.str.replace(/\0/g, '');
insert = prompt.str.length;
promptPrint(masked, ask, echo, prompt.str, insert);
process.stdout.write('\u001b[' + (insert+ask.length+1) + 'G');
buf = Buffer.alloc(3);
}
Expand All @@ -155,7 +156,7 @@ function create(config) {

// catch a ^D and exit
if (character == 4) {
if (str.length == 0 && eot) {
if (prompt.str.length == 0 && eot) {
process.stdout.write('exit\n');
process.exit(0);
}
Expand All @@ -165,16 +166,16 @@ function create(config) {
if (character == term) {
fs.closeSync(fd);
if (!history) break;
if (!masked && str.length) history.push(str);
if (!masked && prompt.str.length) history.push(prompt.str);
history.reset();
break;
}

// catch a TAB and implement autocomplete
if (character == 9) { // TAB
res = autocomplete(str);
res = autocomplete(prompt.str);

if (str == res[0]) {
if (prompt.str == res[0]) {
res = autocomplete('');
} else {
prevComplete = res.length;
Expand All @@ -189,32 +190,32 @@ function create(config) {

if (item) {
process.stdout.write('\r\u001b[K' + ask + item);
str = item;
prompt.str = item;
insert = item.length;
}
}

if (character == 127 || (process.platform == 'win32' && character == 8)) { //backspace
if (!insert) continue;
str = str.slice(0, insert-1) + str.slice(insert);
prompt.str = prompt.str.slice(0, insert-1) + prompt.str.slice(insert);
insert--;
process.stdout.write('\u001b[2D');
} else {
if ((character < 32 ) || (character > 126))
continue;
str = str.slice(0, insert) + String.fromCharCode(character) + str.slice(insert);
prompt.str = prompt.str.slice(0, insert) + String.fromCharCode(character) + prompt.str.slice(insert);
insert++;
};

promptPrint(masked, ask, echo, str, insert);
promptPrint(masked, ask, echo, prompt.str, insert);

}

process.stdout.write('\n')

process.stdin.setRawMode && process.stdin.setRawMode(wasRaw);

return str || value || '';
return prompt.str || value || '';
};


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