Acme.BookStore.HttpApi.Host/node_modules/yargs/lib/validation.js

这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。

微信扫码关注公众号，代码整理好后第一时间通知你。

const objFilter = require('./obj-filter')

// validation-type-stuff, missing params,
// bad implications, custom checks.
module.exports = function (yargs, usage, y18n) {
  const __ = y18n.__
  const __n = y18n.__n
  const self = {}

  // validate appropriate # of non-option
  // arguments were provided, i.e., '_'.
  self.nonOptionCount = function (argv) {
    const demandedCommands = yargs.getDemandedCommands()
    // don't count currently executing commands
    const _s = argv._.length - yargs.getContext().commands.length

    if (demandedCommands._ && (_s < demandedCommands._.min || _s > demandedCommands._.max)) {
      if (_s < demandedCommands._.min) {
        if (demandedCommands._.minMsg !== undefined) {
          usage.fail(
            // replace $0 with observed, $1 with expected.
            demandedCommands._.minMsg ? demandedCommands._.minMsg.replace(/\$0/g, _s).replace(/\$1/, demandedCommands._.min) : null
          )
        } else {
          usage.fail(
            __('Not enough non-option arguments: got %s, need at least %s', _s, demandedCommands._.min)
          )
        }
      } else if (_s > demandedCommands._.max) {
        if (demandedCommands._.maxMsg !== undefined) {
          usage.fail(
            // replace $0 with observed, $1 with expected.
            demandedCommands._.maxMsg ? demandedCommands._.maxMsg.replace(/\$0/g, _s).replace(/\$1/, demandedCommands._.max) : null
          )
        } else {
          usage.fail(
          __('Too many non-option arguments: got %s, maximum of %s', _s, demandedCommands._.max)
          )
        }
      }
    }
  }

  // validate the appropriate # of <required>
  // positional arguments were provided:
  self.positionalCount = function (required, observed) {
    if (observed < required) {
      usage.fail(
        __('Not enough non-option arguments: got %s, need at least %s', observed, required)
      )
    }
  }

  // make sure that any args that require an
  // value (--foo=bar), have a value.
  self.missingArgumentValue = function (argv) {
    const defaultValues = [true, false, '']
    const options = yargs.getOptions()

    if (options.requiresArg.length > 0) {