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