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Update index.js

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BLUELOVETH 2023-04-04 21:10:02 +08:00 committed by GitHub
parent 2fd9879eec
commit f884351c4e
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1 changed files with 8 additions and 12 deletions
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web/index.js
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@ -143,18 +143,14 @@ function term_init() {
term.write(need_more_lines ? "... " : ">>> ");
break;
case '\u007F': // Backspace (DEL)
// Do not delete the prompt
if (term._core.buffer.x > 4) { // '>>> ' or '... '
var re=/[^\u4E00-\u9FA5]/;
if (re.test(command.charAt(command.length-1))){//判断前一个字符是否为中文
term.write('\b \b');//false
}else{
term.write('\b\b \b');//中文占两个字节，ascii字符占一个字节
}
if (command.length > 0) {
command = command.substr(0, command.length - 1);
}
}
var cnt = term._core.buffer.x-4;
if(cnt<=0 || command.length==0) break;
// delete the last unicode char
command = command.replace(/.$/u, "");
// clear the whole line
term.write('\b \b'.repeat(cnt));
// re-write the command
term.write(command);
break;
default: // Print all other characters for demo
if (e >= String.fromCharCode(0x20) && e <= String.fromCharCode(0x7E) || e >= '\u00a0') {