47 lines
1.6 KiB
JavaScript
47 lines
1.6 KiB
JavaScript
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'use strict'
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const path = require('path')
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const makeDir = require('make-dir')
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const fs = require('../fs-promises')
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const { cliWrapper, setupOptions } = require('./helpers.js')
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const NYC = require('../../index.js')
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exports.command = 'merge <input-directory> [output-file]'
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exports.describe = 'merge istanbul format coverage output in a given folder'
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exports.builder = function (yargs) {
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yargs
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.demandCommand(0, 0)
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.example('$0 merge ./out coverage.json', 'merge together reports in ./out and output as coverage.json')
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.positional('input-directory', {
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describe: 'directory containing multiple istanbul coverage files',
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type: 'text',
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default: './.nyc_output'
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})
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.positional('output-file', {
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describe: 'file to output combined istanbul format coverage to',
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type: 'text',
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default: 'coverage.json'
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})
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setupOptions(yargs, 'merge')
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yargs.default('exclude-after-remap', false)
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}
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exports.handler = cliWrapper(async argv => {
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process.env.NYC_CWD = process.cwd()
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const nyc = new NYC(argv)
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const inputStat = await fs.stat(argv.inputDirectory).catch(error => {
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throw new Error(`failed access input directory ${argv.inputDirectory} with error:\n\n${error.message}`)
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})
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if (!inputStat.isDirectory()) {
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throw new Error(`${argv.inputDirectory} was not a directory`)
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}
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await makeDir(path.dirname(argv.outputFile))
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const map = await nyc.getCoverageMapFromAllCoverageFiles(argv.inputDirectory)
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await fs.writeFile(argv.outputFile, JSON.stringify(map, null, 2), 'utf8')
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console.info(`coverage files in ${argv.inputDirectory} merged into ${argv.outputFile}`)
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})
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