JuanCanham/HackMyResume
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Code Issues Releases Wiki Activity

Refactor error handling.

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Work towards better debug/log/stack trace options for error cases.
This commit is contained in:
hacksalot
2016-01-07 15:54:10 -05:00
parent 43419c27cf
commit cb3488276d
4 changed files with 183 additions and 135 deletions
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174
src/core/error-handler.js
View File

@ -28,102 +28,122 @@ Error-handling routines for HackMyResume.
err: function( ex, shouldExit ) {
var msg = '', exitCode;
var msg = '', exitCode, log = console.log, showStack = false;
// If the exception has been handled elsewhere and shouldExit is true,
// let's get out of here, otherwise silently return.
if( ex.handled ) {
if( shouldExit )
process.exit( exitCode );
return;
}
// Get an error message -- either a HackMyResume error message or the
// exception's associated error message
if( ex.fluenterror ){
switch( ex.fluenterror ) {
case HACKMYSTATUS.themeNotFound:
msg = "The specified theme couldn't be found: " + ex.data;
break;
case HACKMYSTATUS.copyCSS:
msg = "Couldn't copy CSS file to destination folder";
break;
case HACKMYSTATUS.resumeNotFound:
msg = chalk.yellow('Please ') + chalk.yellow.bold('feed me a resume') +
chalk.yellow(' in FRESH or JSON Resume format.');
break;
case HACKMYSTATUS.missingCommand:
msg = chalk.yellow("Please ") + chalk.yellow.bold("give me a command") +
chalk.yellow(" (");
msg += Object.keys( FCMD.verbs ).map( function(v, idx, ar) {
return (idx === ar.length - 1 ? chalk.yellow('or ') : '') +
chalk.yellow.bold(v.toUpperCase());
}).join( chalk.yellow(', ')) + chalk.yellow(").\n\n");
msg += chalk.gray(FS.readFileSync( PATH.resolve(__dirname, '../use.txt'), 'utf8' ));
break;
case HACKMYSTATUS.invalidCommand:
msg = chalk.yellow('Invalid command: "') + chalk.yellow.bold(ex.attempted) + chalk.yellow('"');
break;
case HACKMYSTATUS.resumeNotFoundAlt:
msg = chalk.yellow('Please ') + chalk.yellow.bold('feed me a resume') +
chalk.yellow(' in either FRESH or JSON Resume format.');
break;
case HACKMYSTATUS.inputOutputParity:
msg = chalk.yellow('Please ') + chalk.yellow.bold('specify an output file name') +
chalk.yellow(' for every input file you wish to convert.');
break;
case HACKMYSTATUS.createNameMissing:
msg = chalk.yellow('Please ') + chalk.yellow.bold('specify the filename of the resume') +
chalk.yellow(' to create.');
break;
case HACKMYSTATUS.wkhtmltopdf:
msg = chalk.red.bold('ERROR: PDF generation failed. ') + chalk.red('Make sure wkhtmltopdf is ' +
'installed and accessible from your path.');
if( ex.inner ) msg += chalk.red('\n' + ex.inner);
break;
case HACKMYSTATUS.invalid:
msg = chalk.red.bold('ERROR: Validation failed and the --assert option was specified.');
break;
}
var errInfo = get_error_msg( ex );
msg = errInfo.msg;
exitCode = ex.fluenterror;
showStack = errInfo.showStack;
}
else {
msg = ex.toString();
exitCode = 4;
exitCode = -1;
// Deal with pesky 'Error:' prefix.
var idx = msg.indexOf('Error: ');
msg = idx === -1 ? msg : msg.substring( idx + 7 );
}
// Deal with pesky 'Error:' prefix.
var idx = msg.indexOf('Error: ');
var trimmed = idx === -1 ? msg : msg.substring( idx + 7 );
// Log non-HackMyResume-handled errors in red with ERROR prefix. Log HMR
// errors as-is.
ex.fluenterror ?
log( msg.toString() ) :
log( chalk.red.bold('ERROR: ' + msg.toString()) );
// If this is an unhandled error, or a specific class of handled error,
// output the error message and stack.
if( !ex.fluenterror || ex.fluenterror < 3 ) { // TODO: magic #s
console.log( chalk.red.bold('ERROR: ' + trimmed.toString()) );
if( ex.code !== 'ENOENT' ) // Don't emit stack for common stuff
console.log( chalk.gray(ex.stack) );
}
else {
console.log( trimmed.toString() );
}
// Usually emit the stack
( showStack && ex.code !== 'ENOENT' ) && log( chalk.gray(ex.stack) );
// Let the error code be the process's return code.
if( shouldExit || ex.shouldExit )
process.exit( exitCode );
( shouldExit || ex.shouldExit ) && process.exit( exitCode );
}
};
function get_error_msg( ex ) {
var msg = '', withStack = false;
switch( ex.fluenterror ) {
case HACKMYSTATUS.themeNotFound:
msg = "The specified theme couldn't be found: " + ex.data;
break;
case HACKMYSTATUS.copyCSS:
msg = "Couldn't copy CSS file to destination folder";
break;
case HACKMYSTATUS.resumeNotFound:
msg = chalk.yellow('Please ') + chalk.yellow.bold('feed me a resume') +
chalk.yellow(' in FRESH or JSON Resume format.');
break;
case HACKMYSTATUS.missingCommand:
msg = chalk.yellow("Please ") + chalk.yellow.bold("give me a command") +
chalk.yellow(" (");
msg += Object.keys( FCMD.verbs ).map( function(v, idx, ar) {
return (idx === ar.length - 1 ? chalk.yellow('or ') : '') +
chalk.yellow.bold(v.toUpperCase());
}).join( chalk.yellow(', ')) + chalk.yellow(").\n\n");
msg += chalk.gray(FS.readFileSync( PATH.resolve(__dirname, '../use.txt'), 'utf8' ));
break;
case HACKMYSTATUS.invalidCommand:
msg = chalk.yellow('Invalid command: "') + chalk.yellow.bold(ex.attempted) + chalk.yellow('"');
break;
case HACKMYSTATUS.resumeNotFoundAlt:
msg = chalk.yellow('Please ') + chalk.yellow.bold('feed me a resume') +
chalk.yellow(' in either FRESH or JSON Resume format.');
break;
case HACKMYSTATUS.inputOutputParity:
msg = chalk.yellow('Please ') + chalk.yellow.bold('specify an output file name') +
chalk.yellow(' for every input file you wish to convert.');
break;
case HACKMYSTATUS.createNameMissing:
msg = chalk.yellow('Please ') + chalk.yellow.bold('specify the filename of the resume') +
chalk.yellow(' to create.');
break;
case HACKMYSTATUS.wkhtmltopdf:
msg = chalk.red.bold('ERROR: PDF generation failed. ') + chalk.red('Make sure wkhtmltopdf is ' +
'installed and accessible from your path.');
if( ex.inner ) msg += chalk.red('\n' + ex.inner);
withStack = true;
break;
case HACKMYSTATUS.invalid:
msg = chalk.red.bold('ERROR: Validation failed and the --assert option was specified.');
break;
case HACKMYSTATUS.invalidTarget:
ex.data.forEach(function(d){
msg += chalk.red.bold('The ' + ex.theme.name + " theme doesn't support the " + d.format + " format.\n");
});
break;
}
return {
msg: msg,
withStack: withStack
};
}
}());

3
src/core/status-codes.js
View File

@ -18,7 +18,8 @@ Status codes for HackMyResume.
createNameMissing: 8,
wkhtmltopdf: 9,
missingPackageJSON: 10,
invalid: 11
invalid: 11,
invalidTarget: 12
};
}());