pretty-format/build/plugins/immutable.js

Stringify any JavaScript value.

'use strict';Object.defineProperty(exports, "__esModule", { value: true });exports.test = exports.serialize = undefined;










var _collections = require('../collections');

// SENTINEL constants are from https://github.com/facebook/immutable-js
/**
 * Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
 *
 * This source code is licensed under the BSD-style license found in the
 * LICENSE file in the root directory of this source tree. An additional grant
 * of patent rights can be found in the PATENTS file in the same directory.
 *
 * 
 */const IS_ITERABLE_SENTINEL = '@@__IMMUTABLE_ITERABLE__@@';const IS_RECORD_SENTINEL = '@@__IMMUTABLE_RECORD__@@'; // v4 or later
const IS_LIST_SENTINEL = '@@__IMMUTABLE_LIST__@@';const IS_MAP_SENTINEL = '@@__IMMUTABLE_MAP__@@';const IS_SEQ_SENTINEL = '@@__IMMUTABLE_SEQ__@@';const IS_SET_SENTINEL = '@@__IMMUTABLE_SET__@@';const IS_STACK_SENTINEL = '@@__IMMUTABLE_STACK__@@';const IS_ORDERED_SENTINEL = '@@__IMMUTABLE_ORDERED__@@';const getImmutableName = name => 'Immutable.' + name;
const SPACE = ' ';

const printImmutableEntries = (
val,
config,
indentation,
depth,
refs,
printer,
type) =>

++depth > config.maxDepth ?
'[' + getImmutableName(type) + ']' :
getImmutableName(type) +
SPACE +
'{' + (
val.size !== 0 ?
(0, _collections.printIteratorEntries)(
val.entries(),
config,
indentation,
depth,
refs,
printer) :

config.spacingOuter + indentation) +
'}';

// Return an iterator for Immutable Record in v4 or later.
const getRecordEntries = val => {
  let i = 0;
  return {
    next() {
      if (i < val._keys.length) {
        const key = val._keys[i++];
        return { done: false, value: [key, val.get(key)] };
      }
      return { done: true };
    } };

};

const printImmutableRecord = (
val,
config,
indentation,
depth,
refs,
printer) =>
{
  // _name property is defined only for an Immutable Record instance
  // which was constructed with a second optional descriptive name arg
  const name = getImmutableName(val._name || 'Record');
  const size = Array.isArray(val._keys) ? val._keys.length : val.size;
  const entries = typeof Array.isArray(val._keys) ?
  getRecordEntries(val) // v4 or later
  : val.entries(); // v3 or earlier
  return ++depth > config.maxDepth ?
  '[' + name + ']' :
  name +
  SPACE +
  '{' + (
  size !== 0 ?
  (0, _collections.printIteratorEntries)(
  entries,
  config,
  indentation,
  depth,
  refs,
  printer) :

  config.spacingOuter + indentation) +
  '}';
};

const printImmutableValues = (
val,
config,
indentation,
depth,
refs,
printer,
type) =>

++depth > config.maxDepth ?
'[' + getImmutableName(type) + ']' :
getImmutableName(type) +
SPACE +
'[' + (
val.size !== 0 ?
(0, _collections.printIteratorValues)(
val.values(),
config,
indentation,
depth,
refs,
printer) :

config.spacingOuter + indentation) +
']';

const serialize = exports.serialize = (
val,
config,
indentation,
depth,
refs,
printer) =>
{
  if (val[IS_MAP_SENTINEL]) {
    return printImmutableEntries(
    val,
    config,
    indentation,
    depth,
    refs,
    printer,
    val[IS_ORDERED_SENTINEL] ? 'OrderedMap' : 'Map');

  }

  if (val[IS_LIST_SENTINEL]) {
    return printImmutableValues(
    val,
    config,
    indentation,
    depth,
    refs,
    printer,
    'List');

  }
  if (val[IS_SET_SENTINEL]) {
    return printImmutableValues(
    val,
    config,
    indentation,
    depth,
    refs,
    printer,
    val[IS_ORDERED_SENTINEL] ? 'OrderedSet' : 'Set');

  }
  if (val[IS_STACK_SENTINEL]) {
    return printImmutableValues(
    val,
    config,
    indentation,
    depth,
    refs,
    printer,
    'Stack');

  }

  if (val[IS_SEQ_SENTINEL]) {
    return '[' + getImmutableName('Seq') + ']';
  }

  // For compatibility with immutable v3 and v4, let record be the default.
  return printImmutableRecord(val, config, indentation, depth, refs, printer);
};

const test = exports.test = val =>
val && (val[IS_ITERABLE_SENTINEL] || val[IS_RECORD_SENTINEL]);exports.default =

{ serialize, test };