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108 lines
4.6 KiB
JavaScript
108 lines
4.6 KiB
JavaScript
'use strict';
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.test = exports.serialize = undefined;
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var _collections = require('../collections');
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// SENTINEL constants are from https://github.com/facebook/immutable-js
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/**
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* Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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*
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*/
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const IS_ITERABLE_SENTINEL = '@@__IMMUTABLE_ITERABLE__@@';
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const IS_LIST_SENTINEL = '@@__IMMUTABLE_LIST__@@';
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const IS_KEYED_SENTINEL = '@@__IMMUTABLE_KEYED__@@';
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const IS_MAP_SENTINEL = '@@__IMMUTABLE_MAP__@@';
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const IS_ORDERED_SENTINEL = '@@__IMMUTABLE_ORDERED__@@';
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const IS_RECORD_SENTINEL = '@@__IMMUTABLE_RECORD__@@'; // immutable v4
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const IS_SEQ_SENTINEL = '@@__IMMUTABLE_SEQ__@@';
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const IS_SET_SENTINEL = '@@__IMMUTABLE_SET__@@';
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const IS_STACK_SENTINEL = '@@__IMMUTABLE_STACK__@@';
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const getImmutableName = name => 'Immutable.' + name;
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const printAsLeaf = name => '[' + name + ']';
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const SPACE = ' ';
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const LAZY = '…'; // Seq is lazy if it calls a method like filter
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const printImmutableEntries = (val, config, indentation, depth, refs, printer, type) => ++depth > config.maxDepth ? printAsLeaf(getImmutableName(type)) : getImmutableName(type) + SPACE + '{' + (0, _collections.printIteratorEntries)(val.entries(), config, indentation, depth, refs, printer) + '}';
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// Record has an entries method because it is a collection in immutable v3.
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// Return an iterator for Immutable Record from version v3 or v4.
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const getRecordEntries = val => {
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let i = 0;
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return {
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next() {
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if (i < val._keys.length) {
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const key = val._keys[i++];
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return { done: false, value: [key, val.get(key)] };
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}
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return { done: true };
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}
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};
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};
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const printImmutableRecord = (val, config, indentation, depth, refs, printer) => {
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// _name property is defined only for an Immutable Record instance
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// which was constructed with a second optional descriptive name arg
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const name = getImmutableName(val._name || 'Record');
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return ++depth > config.maxDepth ? printAsLeaf(name) : name + SPACE + '{' + (0, _collections.printIteratorEntries)(getRecordEntries(val), config, indentation, depth, refs, printer) + '}';
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};
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const printImmutableSeq = (val, config, indentation, depth, refs, printer) => {
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const name = getImmutableName('Seq');
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if (++depth > config.maxDepth) {
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return printAsLeaf(name);
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}
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if (val[IS_KEYED_SENTINEL]) {
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return name + SPACE + '{' + (
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// from Immutable collection of entries or from ECMAScript object
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val._iter || val._object ? (0, _collections.printIteratorEntries)(val.entries(), config, indentation, depth, refs, printer) : LAZY) + '}';
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}
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return name + SPACE + '[' + (val._iter || // from Immutable collection of values
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val._array || // from ECMAScript array
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val._collection || // from ECMAScript collection in immutable v4
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val._iterable // from ECMAScript collection in immutable v3
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? (0, _collections.printIteratorValues)(val.values(), config, indentation, depth, refs, printer) : LAZY) + ']';
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};
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const printImmutableValues = (val, config, indentation, depth, refs, printer, type) => ++depth > config.maxDepth ? printAsLeaf(getImmutableName(type)) : getImmutableName(type) + SPACE + '[' + (0, _collections.printIteratorValues)(val.values(), config, indentation, depth, refs, printer) + ']';
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const serialize = exports.serialize = (val, config, indentation, depth, refs, printer) => {
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if (val[IS_MAP_SENTINEL]) {
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return printImmutableEntries(val, config, indentation, depth, refs, printer, val[IS_ORDERED_SENTINEL] ? 'OrderedMap' : 'Map');
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}
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if (val[IS_LIST_SENTINEL]) {
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return printImmutableValues(val, config, indentation, depth, refs, printer, 'List');
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}
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if (val[IS_SET_SENTINEL]) {
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return printImmutableValues(val, config, indentation, depth, refs, printer, val[IS_ORDERED_SENTINEL] ? 'OrderedSet' : 'Set');
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}
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if (val[IS_STACK_SENTINEL]) {
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return printImmutableValues(val, config, indentation, depth, refs, printer, 'Stack');
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}
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if (val[IS_SEQ_SENTINEL]) {
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return printImmutableSeq(val, config, indentation, depth, refs, printer);
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}
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// For compatibility with immutable v3 and v4, let record be the default.
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return printImmutableRecord(val, config, indentation, depth, refs, printer);
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};
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// Explicitly comparing sentinel properties to true avoids false positive
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// when mock identity-obj-proxy returns the key as the value for any key.
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const test = exports.test = val => val && (val[IS_ITERABLE_SENTINEL] === true || val[IS_RECORD_SENTINEL] === true);
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exports.default = { serialize, test }; |