tracer for multiple handles for use
- Apr 1st 2019 Release 1.2.0 to fixup the console.error on get_stacks on Array.forEach nothing
- Nov 28th 2017 Release 1.1.2 to fixup bug when call the output format of line and files
import * as jstracer from '../../lib';
const trace_exit = function(ec) {
jstracer.finish(err => {
if (err) {
return;
}
process.exit(ec);
});
};
process.on('uncaughtException', err => {
'use struct';
jstracer.error('error (%s) stack(%s)', err, err.stack);
trace_exit(3);
});
process.on('SIGINT', () => {
trace_exit(0);
});
const args = {
verbose: 1,
log_files: [],
log_appends: [],
log_console: true,
log_format: '<{{title}}> {{message}}\n',
};
const value = 'code';
const lvalue = 32;
jstracer.set_args(args);
jstracer.error('value %s lvalue %s', value, lvalue);
jstracer.warn('value %s lvalue %s', value, lvalue);
jstracer.info('value %s lvalue %s', value, lvalue);
jstracer.debug('value %s lvalue %s', value, lvalue);
jstracer.trace('value %s lvalue %s', value, lvalue);output
<error> [Z:\\jstracer\\libexample\\console\\console2.js:Object.<anonymous>:42] value code lvalue 32
<warn> [Z:\\jstracer\\libexample\\console\\console2.js:Object.<anonymous>:43] value code lvalue 32to get the special case for special name
import * as jstracer from '../../lib';
import * as extargsparse from 'extargsparse';
const commandline = `{
"logname|n" : null,
"$" : "+"
}`;
const trace_exit = function(ec) {
jstracer.finish(err => {
if (err) {
return;
}
process.exit(ec);
});
};
process.on('uncaughtException', err => {
'use struct';
jstracer.error('error (%s) stack(%s)', err, err.stack);
trace_exit(3);
});
process.on('SIGINT', () => {
trace_exit(0);
});
let parser = extargsparse.ExtArgsParse({
help_func(ec, s) {
let fp;
if (ec === 0) {
fp = process.stdout;
} else {
fp = process.stderr;
}
fp.write(s);
trace_exit(ec);
},
});
parser.load_command_line_string(commandline);
parser = jstracer.init_args(parser);
const args = parser.parse_command_line();
const logger = jstracer.set_args(args,args.logname);
args.args.forEach(l => {
logger.error('%s', l);
logger.warn('%s', l);
logger.info('%s', l);
logger.debug('%s', l);
logger.trace('%s', l);
});shell call
node example2.js -n logger1 -vvvv "hello world"output
<error> [Z:\\jstracer\\libexample\\console\\logname.js::53] hello world
<warn> [Z:\\jstracer\\libexample\\console\\logname.js::54] hello world
<info> [Z:\\jstracer\\libexample\\console\\logname.js::55] hello world
<debug> [Z:\\jstracer\\libexample\\console\\logname.js::56] hello world
<trace> [Z:\\jstracer\\libexample\\console\\logname.js::57] hello world- verbose is the verbose mode default 0 for just error output
1 for warn output
2 for info output
3 for debug output
4 for trace output
- log_files to log into the file default none ,not to the file
- log_appends : almost as log_files ,but append log to the end of the file
- log_console : default true for stderr if false ,no logout to stdout
- log_format : default '<{{title}}> {{message}}\n' will give the vivid
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