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index.js
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index.js
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#!/usr/bin/env node
require('./src/ImageSequencer');
sequencer = ImageSequencer({ ui: false });
var fs = require('fs');
var program = require('commander');
var utils = require('./src/CliUtils');
var saveSequence = require('./src/cli/saveSequence.js');
var installModule = require('./src/cli/installModule.js');
var sequencerSteps = require('./src/cli/sequencerSteps.js');
function exit(message) {
console.error(message);
process.exit(1);
}
program
.version('0.1.0')
.option('-i, --image [PATH/URL]', 'Input image URL')
.option('-s, --step [step-name]', 'Name of the step to be added.')
.option('-o, --output [PATH]', 'Directory where output will be stored.')
.option('-b, --basic', 'Basic mode outputs only final image')
.option('-c, --config [Object]', 'Options for the step')
.option('--save-sequence [string]', 'Name space separated with Stringified sequence')
.option('--install-module [string]', 'Module name space seaprated npm package name')
.parse(process.argv);
if (program.saveSequence) saveSequence(program, sequencer);
else if (program.installModule) installModule(program, sequencer);
else {
// Parse step into an array to allow for multiple steps.
if (!program.step) exit('No steps passed');
program.step = program.step.split(' ');
// User must input an image.
if (!program.image) exit('Can\'t read file.');
// User must input an image.
fs.access(program.image, function(err) {
if (err) exit('Can\'t read file.');
});
// User must input a step. If steps exist, check that every step is a valid step.
if (!program.step || !(utils.validateSteps(program.step, sequencer)))
exit('Please ensure all steps are valid.');
// If there's no user defined output directory, select a default directory.
program.output = program.output || './output/';
// Set sequencer to log module outputs, if any.
sequencer.setUI({
onComplete: function(step) {
// Get information of outputs.
step.info = sequencer.modulesInfo(step.name);
for (var output in step.info.outputs) {
console.log('[' + program.step + ']: ' + output + ' = ' + step[output]);
}
},
notify: function(msg) {
console.log('\x1b[36m%s\x1b[0m','🌟 '+msg);
}
});
// Finally, if everything is alright, load the image, add the steps and run the sequencer.
sequencer.loadImages(program.image, function() {
console.warn(
'\x1b[33m%s\x1b[0m',
'Please wait \n output directory generated will be empty until the execution is complete'
);
//Generate the Output Directory
var outputFilename = program.output.split('/').slice(-1)[0];
if (outputFilename.includes('.')) {
// user did give an output filename we have to remove it from dir
program.output = program.output.split('/').slice(0, -1).join('/');
}
else {
outputFilename = null;
}
sequencerSteps(program, sequencer, outputFilename);
});
}