challenge-algorithms-v2.0-s.../node_modules/jest-snapshot/build/SnapshotResolver.js

154 lines
4.9 KiB
JavaScript

'use strict';
Object.defineProperty(exports, '__esModule', {
value: true
});
exports.isSnapshotPath =
exports.buildSnapshotResolver =
exports.EXTENSION =
exports.DOT_EXTENSION =
void 0;
var path = _interopRequireWildcard(require('path'));
var _chalk = _interopRequireDefault(require('chalk'));
var _transform = require('@jest/transform');
var _jestUtil = require('jest-util');
function _interopRequireDefault(obj) {
return obj && obj.__esModule ? obj : {default: obj};
}
function _getRequireWildcardCache(nodeInterop) {
if (typeof WeakMap !== 'function') return null;
var cacheBabelInterop = new WeakMap();
var cacheNodeInterop = new WeakMap();
return (_getRequireWildcardCache = function (nodeInterop) {
return nodeInterop ? cacheNodeInterop : cacheBabelInterop;
})(nodeInterop);
}
function _interopRequireWildcard(obj, nodeInterop) {
if (!nodeInterop && obj && obj.__esModule) {
return obj;
}
if (obj === null || (typeof obj !== 'object' && typeof obj !== 'function')) {
return {default: obj};
}
var cache = _getRequireWildcardCache(nodeInterop);
if (cache && cache.has(obj)) {
return cache.get(obj);
}
var newObj = {};
var hasPropertyDescriptor =
Object.defineProperty && Object.getOwnPropertyDescriptor;
for (var key in obj) {
if (key !== 'default' && Object.prototype.hasOwnProperty.call(obj, key)) {
var desc = hasPropertyDescriptor
? Object.getOwnPropertyDescriptor(obj, key)
: null;
if (desc && (desc.get || desc.set)) {
Object.defineProperty(newObj, key, desc);
} else {
newObj[key] = obj[key];
}
}
}
newObj.default = obj;
if (cache) {
cache.set(obj, newObj);
}
return newObj;
}
/**
* 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.
*/
const EXTENSION = 'snap';
exports.EXTENSION = EXTENSION;
const DOT_EXTENSION = `.${EXTENSION}`;
exports.DOT_EXTENSION = DOT_EXTENSION;
const isSnapshotPath = path => path.endsWith(DOT_EXTENSION);
exports.isSnapshotPath = isSnapshotPath;
const cache = new Map();
const buildSnapshotResolver = async (
config,
localRequire = (0, _transform.createTranspilingRequire)(config)
) => {
const key = config.rootDir;
const resolver =
cache.get(key) ??
(await createSnapshotResolver(await localRequire, config.snapshotResolver));
cache.set(key, resolver);
return resolver;
};
exports.buildSnapshotResolver = buildSnapshotResolver;
async function createSnapshotResolver(localRequire, snapshotResolverPath) {
return typeof snapshotResolverPath === 'string'
? createCustomSnapshotResolver(snapshotResolverPath, localRequire)
: createDefaultSnapshotResolver();
}
function createDefaultSnapshotResolver() {
return {
resolveSnapshotPath: testPath =>
path.join(
path.join(path.dirname(testPath), '__snapshots__'),
path.basename(testPath) + DOT_EXTENSION
),
resolveTestPath: snapshotPath =>
path.resolve(
path.dirname(snapshotPath),
'..',
path.basename(snapshotPath, DOT_EXTENSION)
),
testPathForConsistencyCheck: path.posix.join(
'consistency_check',
'__tests__',
'example.test.js'
)
};
}
async function createCustomSnapshotResolver(
snapshotResolverPath,
localRequire
) {
const custom = (0, _jestUtil.interopRequireDefault)(
await localRequire(snapshotResolverPath)
).default;
const keys = [
['resolveSnapshotPath', 'function'],
['resolveTestPath', 'function'],
['testPathForConsistencyCheck', 'string']
];
keys.forEach(([propName, requiredType]) => {
if (typeof custom[propName] !== requiredType) {
throw new TypeError(mustImplement(propName, requiredType));
}
});
const customResolver = {
resolveSnapshotPath: testPath =>
custom.resolveSnapshotPath(testPath, DOT_EXTENSION),
resolveTestPath: snapshotPath =>
custom.resolveTestPath(snapshotPath, DOT_EXTENSION),
testPathForConsistencyCheck: custom.testPathForConsistencyCheck
};
verifyConsistentTransformations(customResolver);
return customResolver;
}
function mustImplement(propName, requiredType) {
return `${_chalk.default.bold(
`Custom snapshot resolver must implement a \`${propName}\` as a ${requiredType}.`
)}\nDocumentation: https://jestjs.io/docs/configuration#snapshotresolver-string`;
}
function verifyConsistentTransformations(custom) {
const resolvedSnapshotPath = custom.resolveSnapshotPath(
custom.testPathForConsistencyCheck
);
const resolvedTestPath = custom.resolveTestPath(resolvedSnapshotPath);
if (resolvedTestPath !== custom.testPathForConsistencyCheck) {
throw new Error(
_chalk.default.bold(
`Custom snapshot resolver functions must transform paths consistently, i.e. expects resolveTestPath(resolveSnapshotPath('${custom.testPathForConsistencyCheck}')) === ${resolvedTestPath}`
)
);
}
}