chain-able/dist/deps/encase/encase.js

interfaces that describe their intentions.

'use strict'

var tryCatch = require('./tryCatch')

/**
 * @since 4.0.0
 * @param  {Function} call
 * @param  {Function | undefined} [encaser=tryCatch]
 * @return {Function} -> FunctionObject{onInvalid, onValid, rethrow, call}
 */
module.exports = function (call, encaser) {
  var encased = encaser ? encaser(call) : tryCatch(call)

  // left, right, rethrow
  var onInvalid
  var onValid

  var config = function (a, b, c) { return encased(onValid, onInvalid)(a, b, c); }

  config.then = config.onInvalid = function (fn) {
    onInvalid = fn
    return config
  }
  config.catch = config.onValid = function (fn) {
    onValid = fn
    return config
  }

  return config
}

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