aoc/node_modules/pretty-format/build/plugins/Immutable.js

218 lines
5.3 KiB
JavaScript

'use strict';
Object.defineProperty(exports, '__esModule', {
value: true
});
exports.test = exports.serialize = exports.default = void 0;
var _collections = require('../collections');
/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
// SENTINEL constants are from https://github.com/facebook/immutable-js
const IS_ITERABLE_SENTINEL = '@@__IMMUTABLE_ITERABLE__@@';
const IS_LIST_SENTINEL = '@@__IMMUTABLE_LIST__@@';
const IS_KEYED_SENTINEL = '@@__IMMUTABLE_KEYED__@@';
const IS_MAP_SENTINEL = '@@__IMMUTABLE_MAP__@@';
const IS_ORDERED_SENTINEL = '@@__IMMUTABLE_ORDERED__@@';
const IS_RECORD_SENTINEL = '@@__IMMUTABLE_RECORD__@@'; // immutable v4
const IS_SEQ_SENTINEL = '@@__IMMUTABLE_SEQ__@@';
const IS_SET_SENTINEL = '@@__IMMUTABLE_SET__@@';
const IS_STACK_SENTINEL = '@@__IMMUTABLE_STACK__@@';
const getImmutableName = name => `Immutable.${name}`;
const printAsLeaf = name => `[${name}]`;
const SPACE = ' ';
const LAZY = '…'; // Seq is lazy if it calls a method like filter
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
)}}`;
// Record has an entries method because it is a collection in immutable v3.
// Return an iterator for Immutable Record from version v3 or v4.
function 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,
value: undefined
};
}
};
}
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');
return ++depth > config.maxDepth
? printAsLeaf(name)
: `${name + SPACE}{${(0, _collections.printIteratorEntries)(
getRecordEntries(val),
config,
indentation,
depth,
refs,
printer
)}}`;
};
const printImmutableSeq = (val, config, indentation, depth, refs, printer) => {
const name = getImmutableName('Seq');
if (++depth > config.maxDepth) {
return printAsLeaf(name);
}
if (val[IS_KEYED_SENTINEL]) {
return `${name + SPACE}{${
// from Immutable collection of entries or from ECMAScript object
val._iter || val._object
? (0, _collections.printIteratorEntries)(
val.entries(),
config,
indentation,
depth,
refs,
printer
)
: LAZY
}}`;
}
return `${name + SPACE}[${
val._iter ||
// from Immutable collection of values
val._array ||
// from ECMAScript array
val._collection ||
// from ECMAScript collection in immutable v4
val._iterable // from ECMAScript collection in immutable v3
? (0, _collections.printIteratorValues)(
val.values(),
config,
indentation,
depth,
refs,
printer
)
: LAZY
}]`;
};
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
)}]`;
const 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 printImmutableSeq(val, config, indentation, depth, refs, printer);
}
// For compatibility with immutable v3 and v4, let record be the default.
return printImmutableRecord(val, config, indentation, depth, refs, printer);
};
// Explicitly comparing sentinel properties to true avoids false positive
// when mock identity-obj-proxy returns the key as the value for any key.
exports.serialize = serialize;
const test = val =>
val &&
(val[IS_ITERABLE_SENTINEL] === true || val[IS_RECORD_SENTINEL] === true);
exports.test = test;
const plugin = {
serialize,
test
};
var _default = plugin;
exports.default = _default;