/
index.js
108 lines (96 loc) · 3.14 KB
/
index.js
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'use strict'
const dedent = require('dedent')
const cosmiconfig = require('cosmiconfig')
const stringifyObject = require('stringify-object')
const printErrors = require('./printErrors')
const runAll = require('./runAll')
const validateConfig = require('./validateConfig')
const debug = require('debug')('lint-staged')
const errConfigNotFound = new Error('Config could not be found')
function resolveConfig(configPath) {
try {
return require.resolve(configPath)
} catch (ignore) {
return configPath
}
}
function loadConfig(configPath) {
const explorer = cosmiconfig('lint-staged', {
searchPlaces: [
'package.json',
'.lintstagedrc',
'.lintstagedrc.json',
'.lintstagedrc.yaml',
'.lintstagedrc.yml',
'.lintstagedrc.js',
'lint-staged.config.js'
]
})
return configPath ? explorer.load(resolveConfig(configPath)) : explorer.search()
}
/**
* @typedef {(...any) => void} LogFunction
* @typedef {{ error: LogFunction, log: LogFunction }} Logger
*
* Root lint-staged function that is called from `bin/lint-staged`.
*
* @param {Logger} logger
* @param {String} configPath
* @param {Boolean} shellMode Use execa’s shell mode to execute linter commands
* @param {Boolean} quietMode Use Listr’s silent renderer
* @param {Boolean} debugMode Enable debug mode
* @returns {Promise<number>} Promise containing the exit code to use
*/
module.exports = function lintStaged(
logger = console,
configPath,
shellMode = false,
quietMode = false,
debugMode = false
) {
debug('Loading config using `cosmiconfig`')
return loadConfig(configPath)
.then(result => {
if (result == null) throw errConfigNotFound
debug('Successfully loaded config from `%s`:\n%O', result.filepath, result.config)
// result.config is the parsed configuration object
// result.filepath is the path to the config file that was found
const config = validateConfig(result.config)
if (debugMode) {
// Log using logger to be able to test through `consolemock`.
logger.log('Running lint-staged with the following config:')
logger.log(stringifyObject(config, { indent: ' ' }))
} else {
// We might not be in debug mode but `DEBUG=lint-staged*` could have
// been set.
debug('Normalized config:\n%O', config)
}
return runAll(config, shellMode, quietMode, debugMode)
.then(() => {
debug('linters were executed successfully!')
return Promise.resolve(0)
})
.catch(error => {
printErrors(error, logger)
return Promise.resolve(1)
})
})
.catch(err => {
if (err === errConfigNotFound) {
logger.error(`${err.message}.`)
} else {
// It was probably a parsing error
logger.error(dedent`
Could not parse lint-staged config.
${err}
`)
}
logger.error() // empty line
// Print helpful message for all errors
logger.error(dedent`
Please make sure you have created it correctly.
See https://github.com/okonet/lint-staged#configuration.
`)
return Promise.resolve(1)
})
}