A collection of common library
npm install @ntlab/ntlibjavascript
const { Beautify } = require('@ntlab/ntlib');
console.log(Beautify.beautify('this is the message')); // This Is The Message
Beautify.exceptions.add('is');
console.log(Beautify.beautify('THIS IS THE MESSAGE')); // This is The Message
`
Character Sequence (charseq.js)
Class to handle string as a sequence of character.
`javascript
const { CharSequence } = require('@ntlab/ntlib');
let charseq = new CharSequence('This is a string');
while (!charseq.eof()) {
console.log(charseq.read(1));
}
`
Command Line Argument Parser (cmd.js)
Provide functions to work with Command Line arguments.
`javascript
const path = require('path');
const { Cmd } = require('@ntlab/ntlib');
Cmd.addBool('help', 'h', 'Show program usage').setAccessible(false);
Cmd.addVar('something', 's', 'Something description', 'some-argument');
if (!Cmd.parse() || (Cmd.get('help') && usage())) {
process.exit();
}
/ do something here /
function usage() {
console.log('Usage:');
console.log(' node %s [options]', path.basename(process.argv[1]));
console.log('');
console.log('Options:');
console.log(Cmd.dump());
console.log('');
return true;
}
`
CLI or HTTP Executor (command.js, httpcmd.js)
Execute a Command Line Interface (CLI) or HTTP command.
`javascript
const { CommandExecutor } = require('@ntlab/ntlib');
const cmd = {
bin: 'php',
cli: 'path/to/php.file.to.execute.php',
args: [
'-f',
'%CLI%',
'--',
'%DATA%'
]
}
const p = CommandExecutor(cmd).exec({DATA: 'some-data'});
p.on('exit', (code) => {
/ do something on exit /
});
p.stdout.on('data', (line) => {
/ do something on stdout data /
});
p.stderr.on('data', (line) => {
/ do something on stderr data /
});
`
A Simple Logger (logger.js)
Provide a simple logger class.
`javascript
const { Logger } = require('@ntlab/ntlib');
const log = new Logger('/path/to/logfile');
log.log('Somthing to log');
`
Stringify (stringify.js)
Convert javascript object to string.
`javascript
const { Stringify } = require('@ntlab/ntlib');
console.log(Stringify.from({
message: 'message',
raw: Stringify.raw('string'),
})); // {message: 'message', raw: string}
`
Token Processing (token.js)
Provide an utility to parse string into tokens.
`javascript
const { Token } = require('@ntlab/ntlib');
console.log(Token.split('1, 2, (1, "ABC")')); // [1, 2, [1, "ABC"]]
`
App Utility (util.js)
Internally used by CLI/HTTP Executor, also provide a small set of common functions.
`javascript
const { AppUtil } = require('@ntlab/ntlib');
console.log(AppUtil.trans('Translate %ME%', {ME: '123'})); // Translate 123
``