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mirror of https://github.com/JuanCanham/HackMyResume.git synced 2025-04-19 14:20:25 +01:00
HackMyResume/src/cli/main.js
2016-01-21 05:21:49 -05:00

331 lines
10 KiB
JavaScript

/**
Definition of the `main` function.
@module cli/main
@license MIT. See LICENSE.md for details.
*/
(function(){
var HMR = require( '../hackmyapi')
, PKG = require('../../package.json')
, FS = require('fs')
, EXTEND = require('extend')
, chalk = require('chalk')
, PATH = require('path')
, HMSTATUS = require('../core/status-codes')
, HME = require('../core/event-codes')
, safeLoadJSON = require('../utils/safe-json-loader')
, StringUtils = require('../utils/string.js')
, _ = require('underscore')
, OUTPUT = require('./out')
, PAD = require('string-padding')
, Command = require('commander').Command;
var _opts = { };
var _title = chalk.white.bold('\n*** HackMyResume v' +PKG.version+ ' ***');
var _out = new OUTPUT( _opts );
/**
A callable implementation of the HackMyResume CLI. Encapsulates the command
line interface as a single method accepting a parameter array.
@alias module:cli/main.main
@param rawArgs {Array} An array of command-line parameters. Will either be
process.argv (in production) or custom parameters (in test).
*/
var main = module.exports = function( rawArgs ) {
var initInfo = initialize( rawArgs );
var args = initInfo.args;
// Create the top-level (application) command...
var program = new Command('hackmyresume')
.version(PKG.version)
.description(chalk.yellow.bold('*** HackMyResume ***'))
.option('-s --silent', 'Run in silent mode')
.option('--no-color', 'Disable colors')
.option('--color', 'Enable colors')
.option('-d --debug', 'Enable diagnostics', false)
.option('-a --assert', 'Treat warnings as errors', false)
.option('-v --version', 'Show the version')
.allowUnknownOption();
program.jsonArgs = initInfo.options;
// Create the NEW command
program
.command('new')
.arguments('<sources...>')
.option('-f --format <fmt>', 'FRESH or JRS format', 'FRESH')
.alias('create')
.description('Create resume(s) in FRESH or JSON RESUME format.')
.action(function( sources ) {
execute.call( this, sources, [], this.opts(), logMsg);
});
// Create the VALIDATE command
program
.command('validate')
.arguments('<sources...>')
.description('Validate a resume in FRESH or JSON RESUME format.')
.action(function(sources) {
execute.call( this, sources, [], this.opts(), logMsg);
});
// Create the CONVERT command
program
.command('convert')
.description('Convert a resume to/from FRESH or JSON RESUME format.')
.action(function() {
var x = splitSrcDest.call( this );
execute.call( this, x.src, x.dst, this.opts(), logMsg);
});
// Create the ANALYZE command
program
.command('analyze')
.arguments('<sources...>')
.description('Analyze one or more resumes.')
.action(function( sources ) {
execute.call( this, sources, [], this.opts(), logMsg);
});
// Create the PEEK command
program
.command('peek')
.arguments('<sources...>')
.description('Peek at a resume field or section')
.action(function( sources, sectionOrField ) {
var dst = (sources && sources.length > 1) ? [sources.pop()] : [];
execute.call( this, sources, dst, this.opts(), logMsg);
});
// Create the BUILD command
program
.command('build')
.alias('generate')
.option('-t --theme <theme>', 'Theme name or path')
.option('-n --no-prettify', 'Disable HTML prettification', true)
.option('-c --css <option>', 'CSS linking / embedding')
.option('-p --pdf <engine>', 'PDF generation engine')
.option('--no-sort', 'Sort resume sections by date', false)
.option('--no-tips', 'Disable theme tips and warnings.', false)
.description('Generate resume to multiple formats')
.action(function( sources, targets, options ) {
var x = splitSrcDest.call( this );
execute.call( this, x.src, x.dst, this.opts(), logMsg);
});
program.parse( args );
if (!program.args.length) { throw { fluenterror: 4 }; }
};
/** Massage command-line args and setup Commander.js. */
function initialize( ar ) {
var o = initOptions( ar );
o.silent || logMsg( _title );
// Emit debug prelude if --debug was specified
if( o.debug ) {
_out.log(chalk.cyan('The -d or --debug switch was specified. DEBUG mode engaged.'));
_out.log('');
_out.log(chalk.cyan(PAD(' Platform:',25, null, PAD.RIGHT)) + chalk.cyan.bold( process.platform === 'win32' ? 'windows' : process.platform ));
_out.log(chalk.cyan(PAD(' Node.js:',25, null, PAD.RIGHT)) + chalk.cyan.bold( process.version ));
_out.log(chalk.cyan(PAD(' HackMyResume:',25, null, PAD.RIGHT)) + chalk.cyan.bold('v' + PKG.version ));
_out.log(chalk.cyan(PAD(' FRESCA:',25, null, PAD.RIGHT)) + chalk.cyan.bold( PKG.dependencies.fresca ));
_out.log(chalk.cyan(PAD(' fresh-themes:',25, null, PAD.RIGHT)) + chalk.cyan.bold( PKG.dependencies['fresh-themes'] ));
_out.log(chalk.cyan(PAD(' fresh-jrs-converter:',25, null, PAD.RIGHT)) + chalk.cyan.bold( PKG.dependencies['fresh-jrs-converter'] ));
_out.log('');
}
// Handle invalid verbs here (a bit easier here than in commander.js)...
if( o.verb && !HMR.verbs[ o.verb ] && !HMR.alias[ o.verb ] ) {
throw { fluenterror: HMSTATUS.invalidCommand, quit: true,
attempted: o.orgVerb };
}
// Override the .missingArgument behavior
Command.prototype.missingArgument = function(name) {
if( this.name() !== 'new' ) {
throw { fluenterror: HMSTATUS.resumeNotFound, quit: true };
}
};
// Override the .helpInformation behavior
Command.prototype.helpInformation = function() {
var manPage = FS.readFileSync(
PATH.join(__dirname, 'use.txt'), 'utf8' );
return chalk.green.bold(manPage);
};
return {
args: o.args,
options: o.json
};
}
/** Init options prior to setting up command infrastructure. */
function initOptions( ar ) {
var oVerb, verb = '', args = ar.slice(), cleanArgs = args.slice(2), oJSON;
if( cleanArgs.length ) {
// Support case-insensitive sub-commands (build, generate, validate, etc)
var vidx = _.findIndex( cleanArgs, function(v){ return v[0] !== '-'; });
if( vidx !== -1 ) {
oVerb = cleanArgs[ vidx ];
verb = args[ vidx + 2 ] = oVerb.trim().toLowerCase();
}
// Remove --options --opts -o and process separately
var optsIdx = _.findIndex( cleanArgs, function(v){
return v === '-o' || v === '--options' || v === '--opts';
});
if(optsIdx !== -1) {
var optStr = cleanArgs[ optsIdx + 1];
args.splice( optsIdx + 2, 2 );
if( optStr && (optStr = optStr.trim()) ) {
//var myJSON = JSON.parse(optStr);
if( optStr[0] === '{')
oJSON = eval('(' + optStr + ')'); // jshint ignore:line
else {
var inf = safeLoadJSON( optStr );
if( !inf.ex )
oJSON = inf.json;
// TODO: Error handling
}
}
}
}
// Grab the --debug flag
var isDebug = _.some( args, function(v) {
return v === '-d' || v === '--debug';
});
// Grab the --silent flag
var isSilent = _.some( args, function(v) {
return v === '-s' || v === '--silent';
});
return {
debug: isDebug,
silent: isSilent,
orgVerb: oVerb,
verb: verb,
json: oJSON,
args: args
};
}
/** Invoke a HackMyResume verb. */
function execute( src, dst, opts, log ) {
loadOptions.call( this, opts, this.parent.jsonArgs );
var hand = require( './error' );
hand.init( _opts.debug, _opts.assert, _opts.silent );
var v = new HMR.verbs[ this.name() ]();
_out.init( _opts );
v.on( 'hmr:status', function() { _out.do.apply( _out, arguments ); });
v.on( 'hmr:error', function() {
hand.err.apply( hand, arguments );
});
v.invoke.call( v, src, dst, _opts, log );
if( v.errorCode )
process.exit(v.errorCode);
}
/**
Initialize HackMyResume options.
TODO: Options loading is a little hacky, for two reasons:
- Commander.js idiosyncracies
- Need to accept JSON inputs from the command line.
*/
function loadOptions( o, cmdO ) {
// o and this.opts() seem to be the same (command-specific options)
// Load the specified options file (if any) and apply options
if( cmdO )
o = EXTEND(true, o, cmdO);
// Merge in command-line options
o = EXTEND( true, o, this.opts() );
// Kludge parent-level options until piping issue is resolved
if( this.parent.silent !== undefined && this.parent.silent !== null)
o.silent = this.parent.silent;
if( this.parent.debug !== undefined && this.parent.debug !== null)
o.debug = this.parent.debug;
if( this.parent.assert !== undefined && this.parent.assert !== null)
o.assert = this.parent.assert;
if( o.debug ) {
logMsg(chalk.cyan('OPTIONS:') + '\n');
_.each(o, function(val, key) {
logMsg(chalk.cyan(' %s') + chalk.cyan.bold(' %s'),
PAD(key,22,null,PAD.RIGHT), val);
});
logMsg('');
}
// Cache
EXTEND(true, _opts, o);
}
/** Split multiple command-line filenames by the 'TO' keyword */
function splitSrcDest() {
var params = this.parent.args.filter(function(j) { return String.is(j); });
if( params.length === 0 )
throw { fluenterror: HMSTATUS.resumeNotFound, quit: true };
// Find the TO keyword, if any
var splitAt = _.findIndex( params, function(p) {
return p.toLowerCase() === 'to';
});
// TO can't be the last keyword
if( splitAt === params.length - 1 && splitAt !== -1 ) {
logMsg(chalk.yellow('Please ') +
chalk.yellow.bold('specify an output file') +
chalk.yellow(' for this operation or ') +
chalk.yellow.bold('omit the TO keyword') +
chalk.yellow('.') );
return;
}
return {
src: params.slice(0, splitAt === -1 ? undefined : splitAt ),
dst: splitAt === -1 ? [] : params.slice( splitAt + 1 )
};
}
/** Simple logging placeholder. */
function logMsg() {
_opts.silent || console.log.apply( console.log, arguments );
}
}());