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63 lines
1.7 KiB
63 lines
1.7 KiB
const { chalk } = require('@vue/cli-shared-utils')
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const getPadLength = require('../util/getPadLength')
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module.exports = (api, options) => {
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api.registerCommand('help', args => {
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const commandName = args._[0]
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if (!commandName) {
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logMainHelp()
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} else {
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logHelpForCommand(commandName, api.service.commands[commandName])
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}
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})
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function logMainHelp () {
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console.log(
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`\n Usage: vue-cli-service <command> [options]\n` +
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`\n Commands:\n`
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)
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const commands = api.service.commands
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const padLength = getPadLength(commands)
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for (const name in commands) {
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if (name !== 'help') {
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const opts = commands[name].opts || {}
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console.log(` ${
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chalk.blue(name.padEnd(padLength))
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}${
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opts.description || ''
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}`)
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}
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}
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console.log(`\n run ${
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chalk.green(`vue-cli-service help [command]`)
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} for usage of a specific command.\n`)
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}
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function logHelpForCommand (name, command) {
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if (!command) {
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console.log(chalk.red(`\n command "${name}" does not exist.`))
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} else {
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const opts = command.opts || {}
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if (opts.usage) {
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console.log(`\n Usage: ${opts.usage}`)
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}
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if (opts.options) {
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console.log(`\n Options:\n`)
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const padLength = getPadLength(opts.options)
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for (const [flags, description] of Object.entries(opts.options)) {
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console.log(` ${
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chalk.blue(flags.padEnd(padLength))
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}${
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description
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}`)
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}
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}
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if (opts.details) {
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console.log()
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console.log(opts.details.split('\n').map(line => ` ${line}`).join('\n'))
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}
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console.log()
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}
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}
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}
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