msg2id

Return a two-character error identifier corresponding to a provided error message.

Usage

var msg2id = require( '@stdlib/error/tools/msg2id' );

msg2id( msg )

Returns a two-character error identifier corresponding to a provided error message.

var v = msg2id( 'invalid value. `%s` must be a number. Value: `%s`.' );
// e.g., returns '6d'

If provided an unrecognized error message, the function returns null.

var v = msg2id( 'beep boop baz' );
// returns null

Examples

var msg2id = require( '@stdlib/error/tools/msg2id' );

var list;
var v;
var i;

list = [
    'invalid argument. First argument must be a number and not `NaN`. Value: `%s`.',
    'invalid argument. First argument must be a positive integer. Value: `%s`.'
];

for ( i = 0; i < list.length; i++ ) {
    v = list[ i ];
    console.log( 'msg: "%s". id: "%s".', v, msg2id( v ) );
}

CLI

Usage

Usage: stdlib-msg2id [options] <msg>

Options:

  -h,    --help                Print this message.
  -V,    --version             Print the package version.

Examples

$ stdlib-msg2id 'invalid value. `%s` must be a number. Value: `%s`.'
6d