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node_modules/jest-serializer/LICENSE generated vendored
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MIT License
For Jest software
Copyright (c) 2014-present, Facebook, Inc.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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# jest-serializer
Module for serializing and deserializing object into memory and disk. By default, the `v8` implementations are used, but if not present, it defaults to `JSON` implementation. Both serializers have the advantage of being able to serialize `Map`, `Set`, `undefined`, `NaN`, etc, although the JSON one does it through a replacer/reviver.
## Install
```sh
$ yarn add jest-serializer
```
## API
Three kinds of API groups are exposed:
### In-memory serialization: `serialize` and `deserialize`
This set of functions take or return a `Buffer`. All the process happens in memory. This is useful when willing to transfer over HTTP, TCP or via UNIX pipes.
```javascript
import {serialize, deserialize} from 'jest-serializer';
const myObject = {
foo: 'bar',
baz: [0, true, '2', [], {}],
};
const buffer = serialize(myObject);
const myCopyObject = deserialize(buffer);
```
### Synchronous persistent filesystem: `readFileSync` and `writeFileSync`
This set of functions allow to send to disk a serialization result and retrieve it back, in a synchronous way. It mimics the `fs` API so it looks familiar.
```javascript
import {readFileSync, writeFileSync} from 'jest-serializer';
const myObject = {
foo: 'bar',
baz: [0, true, '2', [], {}],
};
const myFile = '/tmp/obj';
writeFileSync(myFile, myObject);
const myCopyObject = readFileSync(myFile);
```

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/**
* 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.
*/
/// <reference path="../v8.d.ts" />
/// <reference types="node" />
declare type Path = string;
export declare function deserialize(buffer: Buffer): any;
export declare function serialize(content: unknown): Buffer;
export declare function readFileSync(filePath: Path): any;
export declare function writeFileSync(filePath: Path, content: any): void;
declare const _default: {
deserialize: typeof deserialize;
readFileSync: typeof readFileSync;
serialize: typeof serialize;
writeFileSync: typeof writeFileSync;
};
export default _default;
//# sourceMappingURL=index.d.ts.map

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{"version":3,"file":"index.d.ts","sourceRoot":"","sources":["../src/index.ts"],"names":[],"mappings":"AAAA;;;;;GAKG;;;AAOH,aAAK,IAAI,GAAG,MAAM,CAAC;AAuGnB,wBAAgB,WAAW,CAAC,MAAM,EAAE,MAAM,GAAG,GAAG,CAI/C;AAED,wBAAgB,SAAS,CAAC,OAAO,EAAE,OAAO,GAAG,MAAM,CAIlD;AAID,wBAAgB,YAAY,CAAC,QAAQ,EAAE,IAAI,GAAG,GAAG,CAIhD;AAED,wBAAgB,aAAa,CAAC,QAAQ,EAAE,IAAI,EAAE,OAAO,EAAE,GAAG,QAIzD;;;;;;;AAED,wBAKE"}

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'use strict';
Object.defineProperty(exports, '__esModule', {
value: true
});
exports.deserialize = deserialize;
exports.serialize = serialize;
exports.readFileSync = readFileSync;
exports.writeFileSync = writeFileSync;
exports.default = void 0;
function _fs() {
const data = _interopRequireDefault(require('fs'));
_fs = function _fs() {
return data;
};
return data;
}
function _v() {
const data = _interopRequireDefault(require('v8'));
_v = function _v() {
return data;
};
return data;
}
function _interopRequireDefault(obj) {
return obj && obj.__esModule ? obj : {default: obj};
}
/**
* 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.
*/
// TODO: Remove this
/// <reference path="../v8.d.ts" />
// JSON and V8 serializers are both stable when it comes to compatibility. The
// current JSON specification is well defined in RFC 8259, and V8 ensures that
// the versions are compatible by encoding the serialization version in the own
// generated buffer.
const JS_TYPE = '__$t__';
const JS_VALUE = '__$v__';
const JS_VF = '__$f__';
function replacer(_key, value) {
// NaN cannot be in a switch statement, because NaN !== NaN.
if (Number.isNaN(value)) {
return {
[JS_TYPE]: 'n'
};
}
switch (value) {
case undefined:
return {
[JS_TYPE]: 'u'
};
case +Infinity:
return {
[JS_TYPE]: '+'
};
case -Infinity:
return {
[JS_TYPE]: '-'
};
}
switch (value && value.constructor) {
case Date:
return {
[JS_TYPE]: 'd',
[JS_VALUE]: value.getTime()
};
case RegExp:
return {
[JS_TYPE]: 'r',
[JS_VALUE]: value.source,
[JS_VF]: value.flags
};
case Set:
return {
[JS_TYPE]: 's',
[JS_VALUE]: Array.from(value)
};
case Map:
return {
[JS_TYPE]: 'm',
[JS_VALUE]: Array.from(value)
};
case Buffer:
return {
[JS_TYPE]: 'b',
[JS_VALUE]: value.toString('latin1')
};
}
return value;
}
function reviver(_key, value) {
if (!value || (typeof value !== 'object' && !value.hasOwnProperty(JS_TYPE))) {
return value;
}
switch (value[JS_TYPE]) {
case 'u':
return undefined;
case 'n':
return NaN;
case '+':
return +Infinity;
case '-':
return -Infinity;
case 'd':
return new Date(value[JS_VALUE]);
case 'r':
return new RegExp(value[JS_VALUE], value[JS_VF]);
case 's':
return new Set(value[JS_VALUE]);
case 'm':
return new Map(value[JS_VALUE]);
case 'b':
return Buffer.from(value[JS_VALUE], 'latin1');
}
return value;
}
function jsonStringify(content) {
// Not pretty, but the ES JSON spec says that "toJSON" will be called before
// getting into your replacer, so we have to remove them beforehand. See
// https://www.ecma-international.org/ecma-262/#sec-serializejsonproperty
// section 2.b for more information.
const dateToJSON = Date.prototype.toJSON;
const bufferToJSON = Buffer.prototype.toJSON;
/* eslint-disable no-extend-native */
try {
// @ts-ignore intentional removal of "toJSON" property.
Date.prototype.toJSON = undefined; // @ts-ignore intentional removal of "toJSON" property.
Buffer.prototype.toJSON = undefined;
return JSON.stringify(content, replacer);
} finally {
Date.prototype.toJSON = dateToJSON;
Buffer.prototype.toJSON = bufferToJSON;
}
/* eslint-enable no-extend-native */
}
function jsonParse(content) {
return JSON.parse(content, reviver);
} // In memory functions.
function deserialize(buffer) {
return _v().default.deserialize
? _v().default.deserialize(buffer)
: jsonParse(buffer.toString('utf8'));
}
function serialize(content) {
return _v().default.serialize
? _v().default.serialize(content)
: Buffer.from(jsonStringify(content));
} // Synchronous filesystem functions.
function readFileSync(filePath) {
return _v().default.deserialize
? _v().default.deserialize(_fs().default.readFileSync(filePath))
: jsonParse(_fs().default.readFileSync(filePath, 'utf8'));
}
function writeFileSync(filePath, content) {
return _v().default.serialize
? _fs().default.writeFileSync(filePath, _v().default.serialize(content))
: _fs().default.writeFileSync(filePath, jsonStringify(content), 'utf8');
}
var _default = {
deserialize,
readFileSync,
serialize,
writeFileSync
};
exports.default = _default;

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{
"name": "jest-serializer",
"version": "24.4.0",
"repository": {
"type": "git",
"url": "https://github.com/facebook/jest.git",
"directory": "packages/jest-serializer"
},
"engines": {
"node": ">= 6"
},
"license": "MIT",
"main": "build/index.js",
"types": "build/index.d.ts",
"publishConfig": {
"access": "public"
},
"gitHead": "a018000fc162db3cfd0ebf9f23fdb734f05821a6"
,"_resolved": "https://registry.npmjs.org/jest-serializer/-/jest-serializer-24.4.0.tgz"
,"_integrity": "sha512-k//0DtglVstc1fv+GY/VHDIjrtNjdYvYjMlbLUed4kxrE92sIUewOi5Hj3vrpB8CXfkJntRPDRjCrCvUhBdL8Q=="
,"_from": "jest-serializer@24.4.0"
}

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{
"extends": "../../tsconfig.json",
"compilerOptions": {
"rootDir": "src",
"outDir": "build"
}
}

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/**
* 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.
*/
declare module 'v8' {
function serialize(value: unknown): Buffer;
function deserialize(value: Buffer): unknown;
}