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cli.js
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cli.js
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#!/usr/bin/env node
'use strict';
var conventionalChangelogWriter = require('./');
var forEach = require('lodash').forEach;
var fs = require('fs');
var meow = require('meow');
var path = require('path');
var split = require('split');
var cli = meow({
help: [
'Usage',
' conventional-changelog-writer <path> [<path> ...]',
' cat <path> | conventional-changelog-writer',
'',
'Example',
' conventional-changelog-writer commits.ldjson',
' cat commits.ldjson | conventional-changelog-writer',
'',
'Options',
' -c, --context A filepath of a json that is used to define template variables',
' -o, --options A filepath of a javascript object that is used to define options'
]
}, {
alias: {
c: 'context',
o: 'options'
}
});
var filePaths = [];
var flags = cli.flags;
forEach(cli.input, function(input) {
filePaths.push(input);
});
var length = filePaths.length;
var templateContext;
var contextPath = flags.context;
if (contextPath) {
try {
templateContext = require(path.resolve(process.cwd(), contextPath));
} catch (err) {
console.error('Failed to get context from file ' + contextPath + '\n' + err);
process.exit(1);
}
}
var options;
var optionsPath = flags.options;
if (optionsPath) {
try {
options = require(path.resolve(process.cwd(), optionsPath));
} catch (err) {
console.error('Failed to get options from file ' + optionsPath + '\n' + err);
process.exit(1);
}
}
try {
var stream = conventionalChangelogWriter(templateContext, options);
} catch (err) {
console.error(err.toString());
process.exit(1);
}
function processFile(fileIndex) {
var filePath = filePaths[fileIndex];
fs.createReadStream(filePath)
.on('error', function(err) {
console.warn('Failed to read file ' + filePath + '\n' + err);
if (++fileIndex < length) {
processFile(fileIndex);
}
})
.pipe(split(JSON.parse))
.on('error', function(err) {
console.warn('Failed to split commits in file ' + filePath + '\n' + err);
})
.pipe(stream)
.on('error', function(err) {
console.warn('Failed to process file ' + filePath + '\n' + err);
if (++fileIndex < length) {
processFile(fileIndex);
}
})
.on('end', function() {
if (++fileIndex < length) {
processFile(fileIndex);
}
})
.pipe(process.stdout);
}
if (!process.stdin.isTTY) {
process.stdin
.pipe(split(JSON.parse))
.on('error', function(err) {
console.error('Failed to split commits\n' + err);
process.exit(1);
})
.pipe(stream)
.on('error', function(err) {
console.error('Failed to process file\n' + err);
process.exit(1);
})
.pipe(process.stdout);
} else if (length === 0) {
console.error('You must specify at least one line delimited json file');
process.exit(1);
} else {
processFile(0);
}