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Edit File : base-command.js \| Size : 3.86 KB
// Base class for npm commands const { relative } = require('path') const ConfigDefinitions = require('./utils/config/definitions.js') const getWorkspaces = require('./workspaces/get-workspaces.js') const cmdAliases = require('./utils/cmd-list').aliases class BaseCommand { static workspaces = false static ignoreImplicitWorkspace = true constructor (npm) { this.wrapWidth = 80 this.npm = npm const { config } = this.npm if (!this.constructor.skipConfigValidation) { config.validate() } if (config.get('workspaces') === false && config.get('workspace').length) { throw new Error('Can not use --no-workspaces and --workspace at the same time') } } get name () { return this.constructor.name } get description () { return this.constructor.description } get params () { return this.constructor.params } get usage () { const usage = [ `${this.description}`, '', 'Usage:', ] if (!this.constructor.usage) { usage.push(`npm ${this.name}`) } else { usage.push(...this.constructor.usage.map(u => `npm ${this.name} ${u}`)) } if (this.params) { usage.push('') usage.push('Options:') usage.push(this.wrappedParams) } const aliases = Object.keys(cmdAliases).reduce((p, c) => { if (cmdAliases[c] === this.name) { p.push(c) } return p }, []) if (aliases.length === 1) { usage.push('') usage.push(`alias: ${aliases.join(', ')}`) } else if (aliases.length > 1) { usage.push('') usage.push(`aliases: ${aliases.join(', ')}`) } usage.push('') usage.push(`Run "npm help ${this.name}" for more info`) return usage.join('\n') } get wrappedParams () { let results = '' let line = '' for (const param of this.params) { const usage = `[${ConfigDefinitions[param].usage}]` if (line.length && line.length + usage.length > this.wrapWidth) { results = [results, line].filter(Boolean).join('\n') line = '' } line = [line, usage].filter(Boolean).join(' ') } results = [results, line].filter(Boolean).join('\n') return results } usageError (prefix = '') { if (prefix) { prefix += '\n\n' } return Object.assign(new Error(`\n${prefix}${this.usage}`), { code: 'EUSAGE', }) } async cmdExec (args) { const { config } = this.npm if (config.get('usage')) { return this.npm.output(this.usage) } const hasWsConfig = config.get('workspaces') \|\| config.get('workspace').length // if cwd is a workspace, the default is set to [that workspace] const implicitWs = config.get('workspace', 'default').length // (-ws \|\| -w foo) && (cwd is not a workspace \|\| command is not ignoring implicit workspaces) if (hasWsConfig && (!implicitWs \|\| !this.constructor.ignoreImplicitWorkspace)) { if (this.npm.global) { throw new Error('Workspaces not supported for global packages') } if (!this.constructor.workspaces) { throw Object.assign(new Error('This command does not support workspaces.'), { code: 'ENOWORKSPACES', }) } return this.execWorkspaces(args) } return this.exec(args) } async setWorkspaces () { const includeWorkspaceRoot = this.isArboristCmd ? false : this.npm.config.get('include-workspace-root') const prefixInsideCwd = relative(this.npm.localPrefix, process.cwd()).startsWith('..') const relativeFrom = prefixInsideCwd ? this.npm.localPrefix : process.cwd() const filters = this.npm.config.get('workspace') const ws = await getWorkspaces(filters, { path: this.npm.localPrefix, includeWorkspaceRoot, relativeFrom, }) this.workspaces = ws this.workspaceNames = [...ws.keys()] this.workspacePaths = [...ws.values()] } } module.exports = BaseCommand Back

Edit File : base-command.js | Size : 3.86 KB

// Base class for npm commands

const { relative } = require('path')

const ConfigDefinitions = require('./utils/config/definitions.js')
const getWorkspaces = require('./workspaces/get-workspaces.js')

const cmdAliases = require('./utils/cmd-list').aliases

class BaseCommand {
  static workspaces = false
  static ignoreImplicitWorkspace = true

constructor (npm) {
    this.wrapWidth = 80
    this.npm = npm

const { config } = this.npm

if (!this.constructor.skipConfigValidation) {
      config.validate()
    }

if (config.get('workspaces') === false && config.get('workspace').length) {
      throw new Error('Can not use --no-workspaces and --workspace at the same time')
    }
  }

get name () {
    return this.constructor.name
  }

get description () {
    return this.constructor.description
  }

get params () {
    return this.constructor.params
  }

get usage () {
    const usage = [
      `${this.description}`,
      '',
      'Usage:',
    ]

if (!this.constructor.usage) {
      usage.push(`npm ${this.name}`)
    } else {
      usage.push(...this.constructor.usage.map(u => `npm ${this.name} ${u}`))
    }

if (this.params) {
      usage.push('')
      usage.push('Options:')
      usage.push(this.wrappedParams)
    }

const aliases = Object.keys(cmdAliases).reduce((p, c) => {
      if (cmdAliases[c] === this.name) {
        p.push(c)
      }
      return p
    }, [])

if (aliases.length === 1) {
      usage.push('')
      usage.push(`alias: ${aliases.join(', ')}`)
    } else if (aliases.length > 1) {
      usage.push('')
      usage.push(`aliases: ${aliases.join(', ')}`)
    }

usage.push('')
    usage.push(`Run "npm help ${this.name}" for more info`)

return usage.join('\n')
  }

get wrappedParams () {
    let results = ''
    let line = ''

for (const param of this.params) {
      const usage = `[${ConfigDefinitions[param].usage}]`
      if (line.length && line.length + usage.length > this.wrapWidth) {
        results = [results, line].filter(Boolean).join('\n')
        line = ''
      }
      line = [line, usage].filter(Boolean).join(' ')
    }
    results = [results, line].filter(Boolean).join('\n')
    return results
  }

usageError (prefix = '') {
    if (prefix) {
      prefix += '\n\n'
    }
    return Object.assign(new Error(`\n${prefix}${this.usage}`), {
      code: 'EUSAGE',
    })
  }

async cmdExec (args) {
    const { config } = this.npm

if (config.get('usage')) {
      return this.npm.output(this.usage)
    }

const hasWsConfig = config.get('workspaces') || config.get('workspace').length
    // if cwd is a workspace, the default is set to [that workspace]
    const implicitWs = config.get('workspace', 'default').length

// (-ws || -w foo) && (cwd is not a workspace || command is not ignoring implicit workspaces)
    if (hasWsConfig && (!implicitWs || !this.constructor.ignoreImplicitWorkspace)) {
      if (this.npm.global) {
        throw new Error('Workspaces not supported for global packages')
      }
      if (!this.constructor.workspaces) {
        throw Object.assign(new Error('This command does not support workspaces.'), {
          code: 'ENOWORKSPACES',
        })
      }
      return this.execWorkspaces(args)
    }

return this.exec(args)
  }

async setWorkspaces () {
    const includeWorkspaceRoot = this.isArboristCmd
      ? false
      : this.npm.config.get('include-workspace-root')

const prefixInsideCwd = relative(this.npm.localPrefix, process.cwd()).startsWith('..')
    const relativeFrom = prefixInsideCwd ? this.npm.localPrefix : process.cwd()

const filters = this.npm.config.get('workspace')
    const ws = await getWorkspaces(filters, {
      path: this.npm.localPrefix,
      includeWorkspaceRoot,
      relativeFrom,
    })

this.workspaces = ws
    this.workspaceNames = [...ws.keys()]
    this.workspacePaths = [...ws.values()]
  }
}
module.exports = BaseCommand

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