JuanCanham/HackMyResume
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Code Issues Releases Wiki Activity

Improve error handling.

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Better support for spawn errors encountered during generation (for ex,
PDFs through wkhtml) + general refactoring.
This commit is contained in:
hacksalot 2015-12-29 06:35:55 -05:00
parent 13430bcad5
commit 02ef2b2241
6 changed files with 169 additions and 112 deletions
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93
src/core/error-handler.js Normal file
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@ -0,0 +1,93 @@
/**
@module error-handler.js
*/
(function() {
var HACKMYSTATUS = require('./status-codes')
, PKG = require('../../package.json')
, title = ('\n*** HackMyResume v' + PKG.version + ' ***').bold.white;
var ErrorHandler = module.exports = {
err: function( ex, shouldExit ) {
var msg = '', exitCode;
if( ex.fluenterror ){
switch( ex.fluenterror ) { // TODO: Remove magic numbers
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 = 'Please '.guide + 'specify a valid input resume'.guide.bold +
' in FRESH or JSON Resume format.'.guide;
break;
case HACKMYSTATUS.missingCommand:
msg = title + "\nPlease ".guide + "specify a command".guide.bold + " (".guide +
Object.keys( FCMD.verbs ).map( function(v, idx, ar) {
return (idx === ar.length - 1 ? 'or '.guide : '') +
v.toUpperCase().guide;
}).join(', '.guide) + ").\n\n".guide +
FS.readFileSync( PATH.join(__dirname, 'use.txt'), 'utf8' ).info.bold;
break;
case HACKMYSTATUS.invalidCommand:
msg = 'Please '.guide + 'specify the output resume file'.guide.bold +
' that should be created.'.guide;
break;
case HACKMYSTATUS.resumeNotFoundAlt:
msg = 'Please '.guide + 'specify a valid input resume'.guide.bold +
' in either FRESH or JSON Resume format.'.guide;
break;
case HACKMYSTATUS.inputOutputParity:
msg = 'Please '.guide + 'specify an output file name'.guide.bold +
' for every input file you wish to convert.'.guide;
break;
case HACKMYSTATUS.createNameMissing:
msg = 'Please '.guide + 'specify the filename of the resume'.guide.bold +
' to create.'.guide;
break;
case HACKMYSTATUS.wkhtmltopdf:
msg = 'ERROR: PDF generation failed. '.red.bold + ('Make sure wkhtmltopdf is ' +
'installed and accessible from your path.').red;
break;
}
exitCode = ex.fluenterror;
}
else {
msg = ex.toString();
exitCode = 4;
}
var idx = msg.indexOf('Error: ');
var trimmed = idx === -1 ? msg : msg.substring( idx + 7 );
if( !ex.fluenterror || ex.fluenterror < 3 ) { // TODO: magic #s
console.log( ('ERROR: ' + trimmed.toString()).red.bold );
console.log( ex.stack.gray);
}
else {
console.log( trimmed.toString() );
}
if( shouldExit )
process.exit( exitCode );
}
};
}());

22
src/core/spawn-watch.js Normal file
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@ -0,0 +1,22 @@
/**
@module spawn-watch.js
*/
(function() {
// Catch various out-of-band child process errors such as ENOENT for PDFs
// http://stackoverflow.com/q/27688804
var SpawnWatcher = module.exports = function() {
var childProcess = require("child_process");
var oldSpawn = childProcess.spawn;
childProcess.spawn = function() {
return oldSpawn.apply(this, arguments)
.on('error', function(err) {
require('./error-handler').err( err, false );
});
};
}();
//SpawnWatcher();
}());

76
src/gen/html-pdf-generator.js
View File

@ -1,6 +1,5 @@
/**
Definition of the HtmlPdfGenerator class.
@license MIT. Copyright (c) 2015 James Devlin / FluentDesk.
@module html-pdf-generator.js
*/
@ -23,7 +22,7 @@ Definition of the HtmlPdfGenerator class.
Generate the binary PDF.
*/
onBeforeSave: function( info ) {
pdf( info.mk, info.outputFile );
pdf.call( this, info.mk, info.outputFile );
return null; // halt further processing
}
@ -34,39 +33,50 @@ Definition of the HtmlPdfGenerator class.
*/
function pdf( markup, fOut ) {
var pdfCount = 0;
if( false ) { //( _opts.pdf === 'phantom' || _opts.pdf == 'all' ) {
pdfCount++;
require('phantom').create( function( ph ) {
ph.createPage( function( page ) {
page.setContent( markup );
page.set('paperSize', {
format: 'A4',
orientation: 'portrait',
margin: '1cm'
});
page.set("viewportSize", {
width: 1024, // TODO: option-ify
height: 768 // TODO: Use "A" sizes
});
page.set('onLoadFinished', function(success) {
page.render( fOut );
pdfCount++;
ph.exit();
});
},
{ dnodeOpts: { weak: false } } );
});
pdf_wkhtmltopdf.call( this, markup, fOut );
}
/**
Generate a PDF from HTML using wkhtmltopdf.
*/
function pdf_wkhtmltopdf( markup, fOut ) {
var wk;
try {
wk = require('wkhtmltopdf');
wk( markup, { pageSize: 'letter' } )
.pipe( FS.createWriteStream( fOut ) );
}
if( true ) { // _opts.pdf === 'wkhtmltopdf' || _opts.pdf == 'all' ) {
var fOut2 = fOut;
if( pdfCount == 1 ) {
fOut2 = fOut2.replace(/\.pdf$/g, '.b.pdf');
}
require('wkhtmltopdf')( markup, { pageSize: 'letter' } )
.pipe( FS.createWriteStream( fOut2 ) );
pdfCount++;
catch(ex) {
// { [Error: write EPIPE] code: 'EPIPE', errno: 'EPIPE', syscall: 'write' }
// { [Error: ENOENT] }
throw { fluenterror: this.codes.wkhtmltopdf };
}
}
// function pdf_phantom() {
// pdfCount++;
// require('phantom').create( function( ph ) {
// ph.createPage( function( page ) {
// page.setContent( markup );
// page.set('paperSize', {
// format: 'A4',
// orientation: 'portrait',
// margin: '1cm'
// });
// page.set("viewportSize", {
// width: 1024, // TODO: option-ify
// height: 768 // TODO: Use "A" sizes
// });
// page.set('onLoadFinished', function(success) {
// page.render( fOut );
// pdfCount++;
// ph.exit();
// });
// },
// { dnodeOpts: { weak: false } } );
// });
// }
}());

2
src/gen/template-generator.js
View File

@ -156,7 +156,7 @@ Definition of the TemplateGenerator class.
{ outputFile: fileName, mk: file.data } );
}
catch(ex) {
console.log(ex);
require('../core/error-handler').err(ex, false);
}
}
else if( file.info.action === null/* && theme.explicit*/ ) {

83
src/index.js
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@ -2,11 +2,14 @@
/**
Command-line interface (CLI) for HackMyResume.
@license MIT. Copyright (c) 2015 James M. Devlin / FluentDesk.
@license MIT. Copyright (c) 2015 hacksalot (https://github.com/hacksalot)
@module index.js
*/
var ARGS = require( 'minimist' )
var SPAWNW = require('./core/spawn-watch')
, ARGS = require( 'minimist' )
, FCMD = require( './hackmycmd')
, PKG = require('../package.json')
, COLORS = require('colors')
@ -19,11 +22,12 @@ var ARGS = require( 'minimist' )
try {
main();
}
catch( ex ) {
handleError( ex );
require('./core/error-handler').err( ex, true );
}
@ -91,76 +95,3 @@ function getOpts( args ) {
silent: args.s || args.silent
};
}
// TODO: refactor
function handleError( ex ) {
var msg = '', exitCode;
if( ex.fluenterror ){
switch( ex.fluenterror ) { // TODO: Remove magic numbers
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 = 'Please '.guide + 'specify a valid input resume'.guide.bold +
' in FRESH or JSON Resume format.'.guide;
break;
case HACKMYSTATUS.missingCommand:
msg = title + "\nPlease ".guide + "specify a command".guide.bold + " (".guide +
Object.keys( FCMD.verbs ).map( function(v, idx, ar) {
return (idx === ar.length - 1 ? 'or '.guide : '') +
v.toUpperCase().guide;
}).join(', '.guide) + ").\n\n".guide +
FS.readFileSync( PATH.join(__dirname, 'use.txt'), 'utf8' ).info.bold;
break;
case HACKMYSTATUS.invalidCommand:
msg = 'Please '.guide + 'specify the output resume file'.guide.bold +
' that should be created.'.guide;
break;
case HACKMYSTATUS.resumeNotFoundAlt:
msg = 'Please '.guide + 'specify a valid input resume'.guide.bold +
' in either FRESH or JSON Resume format.'.guide;
break;
case HACKMYSTATUS.inputOutputParity:
msg = 'Please '.guide + 'specify an output file name'.guide.bold +
' for every input file you wish to convert.'.guide;
break;
case HACKMYSTATUS.createNameMissing:
msg = 'Please '.guide + 'specify the filename of the resume'.guide.bold +
' to create.'.guide;
break;
}
exitCode = ex.fluenterror;
}
else {
msg = ex.toString();
exitCode = 4;
}
var idx = msg.indexOf('Error: ');
var trimmed = idx === -1 ? msg : msg.substring( idx + 7 );
if( !ex.fluenterror || ex.fluenterror < 3 ) { // TODO: magic #s
console.log( ('ERROR: ' + trimmed.toString()).red.bold );
console.log( ex.stack.gray);
}
else
console.log( trimmed.toString() );
process.exit( exitCode );
}

3
test/test-themes.js
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@ -1,5 +1,6 @@
var chai = require('chai')
var SPAWNWATCHER = require('../src/core/spawn-watch')
, chai = require('chai')
, expect = chai.expect
, should = chai.should()
, path = require('path')