108 lines
2.2 KiB
JavaScript
108 lines
2.2 KiB
JavaScript
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import chalk from 'chalk'
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import { ensureFileSync, existsSync, outputFileSync, readFileSync } from 'fs-extra'
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import { findKey, mapValues, trimStart } from 'lodash'
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import emoji from './emoji'
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/**
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* Gets CLI parameters.
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*
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* @param {string[]} args CLI arguments
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* @return {string[]}
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*/
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export function parseCliParams(args) {
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const firstOptionIndex = args.findIndex(arg => arg.startsWith('-'))
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return firstOptionIndex > -1 ? args.slice(0, firstOptionIndex) : args
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}
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/**
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* Gets mapped CLI options.
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*
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* @param {string[]} args CLI arguments
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* @param {object} [optionMap]
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* @return {object}
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*/
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export function parseCliOptions(args, optionMap = {}) {
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let options = {}
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let currentOption = []
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args.forEach(arg => {
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const option = arg.startsWith('-') && trimStart(arg, '-').toLowerCase()
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const resolvedOption = findKey(optionMap, aliases => aliases.includes(option))
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if (resolvedOption) {
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currentOption = options[resolvedOption] || (options[resolvedOption] = [])
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} else if (option) {
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currentOption = []
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} else {
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currentOption.push(arg)
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}
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})
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return { ...mapValues(optionMap, () => undefined), ...options }
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}
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/**
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* Prints messages to console.
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*
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* @param {...string} msgs
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*/
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export function log(...msgs) {
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console.log(' ', ...msgs)
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}
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/**
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* Prints error messages to console.
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*
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* @param {...string} msgs
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*/
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export function error(...msgs) {
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log()
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console.error(' ', emoji.no, chalk.bold.red(msgs.join(' ')))
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}
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/**
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* Kills the process. Optionally prints error messages to console.
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*
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* @param {...string} [msgs]
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*/
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export function die(...msgs) {
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msgs.length && error(...msgs)
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log()
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process.exit(1) // eslint-disable-line
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}
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/**
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* Checks if path exists.
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*
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* @param {string} path
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* @return {boolean}
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*/
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export function exists(path) {
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return existsSync(path)
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}
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/**
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* Gets file content.
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*
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* @param {string} path
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* @return {string}
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*/
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export function readFile(path) {
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return readFileSync(path, 'utf-8')
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}
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/**
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* Writes content to file.
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*
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* @param {string} path
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* @param {string} content
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* @return {string}
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*/
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export function writeFile(path, content) {
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ensureFileSync(path)
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return outputFileSync(path, content)
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}
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