challenge-algorithms-v2.0-D.../node_modules/expect/build/jestMatchersObject.js

100 lines
3.2 KiB
JavaScript

'use strict';
Object.defineProperty(exports, '__esModule', {
value: true
});
exports.setState =
exports.setMatchers =
exports.getState =
exports.getMatchers =
exports.INTERNAL_MATCHER_FLAG =
void 0;
var _jestGetType = require('jest-get-type');
var _asymmetricMatchers = require('./asymmetricMatchers');
var Symbol = globalThis['jest-symbol-do-not-touch'] || globalThis.Symbol;
// Global matchers object holds the list of available matchers and
// the state, that can hold matcher specific values that change over time.
const JEST_MATCHERS_OBJECT = Symbol.for('$$jest-matchers-object');
// Notes a built-in/internal Jest matcher.
// Jest may override the stack trace of Errors thrown by internal matchers.
const INTERNAL_MATCHER_FLAG = Symbol.for('$$jest-internal-matcher');
exports.INTERNAL_MATCHER_FLAG = INTERNAL_MATCHER_FLAG;
if (!Object.prototype.hasOwnProperty.call(globalThis, JEST_MATCHERS_OBJECT)) {
const defaultState = {
assertionCalls: 0,
expectedAssertionsNumber: null,
isExpectingAssertions: false,
suppressedErrors: [] // errors that are not thrown immediately.
};
Object.defineProperty(globalThis, JEST_MATCHERS_OBJECT, {
value: {
matchers: Object.create(null),
state: defaultState
}
});
}
const getState = () => globalThis[JEST_MATCHERS_OBJECT].state;
exports.getState = getState;
const setState = state => {
Object.assign(globalThis[JEST_MATCHERS_OBJECT].state, state);
};
exports.setState = setState;
const getMatchers = () => globalThis[JEST_MATCHERS_OBJECT].matchers;
exports.getMatchers = getMatchers;
const setMatchers = (matchers, isInternal, expect) => {
Object.keys(matchers).forEach(key => {
const matcher = matchers[key];
if (typeof matcher !== 'function') {
throw new TypeError(
`expect.extend: \`${key}\` is not a valid matcher. Must be a function, is "${(0,
_jestGetType.getType)(matcher)}"`
);
}
Object.defineProperty(matcher, INTERNAL_MATCHER_FLAG, {
value: isInternal
});
if (!isInternal) {
// expect is defined
class CustomMatcher extends _asymmetricMatchers.AsymmetricMatcher {
constructor(inverse = false, ...sample) {
super(sample, inverse);
}
asymmetricMatch(other) {
const {pass} = matcher.call(
this.getMatcherContext(),
other,
...this.sample
);
return this.inverse ? !pass : pass;
}
toString() {
return `${this.inverse ? 'not.' : ''}${key}`;
}
getExpectedType() {
return 'any';
}
toAsymmetricMatcher() {
return `${this.toString()}<${this.sample.map(String).join(', ')}>`;
}
}
Object.defineProperty(expect, key, {
configurable: true,
enumerable: true,
value: (...sample) => new CustomMatcher(false, ...sample),
writable: true
});
Object.defineProperty(expect.not, key, {
configurable: true,
enumerable: true,
value: (...sample) => new CustomMatcher(true, ...sample),
writable: true
});
}
});
Object.assign(globalThis[JEST_MATCHERS_OBJECT].matchers, matchers);
};
exports.setMatchers = setMatchers;