GoScrobble/web/node_modules/@testing-library/jest-dom/dist/to-have-class.js

71 lines
2.2 KiB
JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.toHaveClass = toHaveClass;
var _utils = require("./utils");
function getExpectedClassNamesAndOptions(params) {
const lastParam = params.pop();
let expectedClassNames, options;
if (typeof lastParam === 'object') {
expectedClassNames = params;
options = lastParam;
} else {
expectedClassNames = params.concat(lastParam);
options = {
exact: false
};
}
return {
expectedClassNames,
options
};
}
function splitClassNames(str) {
if (!str) {
return [];
}
return str.split(/\s+/).filter(s => s.length > 0);
}
function isSubset(subset, superset) {
return subset.every(item => superset.includes(item));
}
function toHaveClass(htmlElement, ...params) {
(0, _utils.checkHtmlElement)(htmlElement, toHaveClass, this);
const {
expectedClassNames,
options
} = getExpectedClassNamesAndOptions(params);
const received = splitClassNames(htmlElement.getAttribute('class'));
const expected = expectedClassNames.reduce((acc, className) => acc.concat(splitClassNames(className)), []);
if (options.exact) {
return {
pass: isSubset(expected, received) && expected.length === received.length,
message: () => {
const to = this.isNot ? 'not to' : 'to';
return (0, _utils.getMessage)(this, `Expected the element ${to} have EXACTLY defined classes`, expected.join(' '), 'Received', received.join(' '));
}
};
}
return expected.length > 0 ? {
pass: isSubset(expected, received),
message: () => {
const to = this.isNot ? 'not to' : 'to';
return (0, _utils.getMessage)(this, this.utils.matcherHint(`${this.isNot ? '.not' : ''}.toHaveClass`, 'element', this.utils.printExpected(expected.join(' '))), `Expected the element ${to} have class`, expected.join(' '), 'Received', received.join(' '));
}
} : {
pass: this.isNot ? received.length > 0 : false,
message: () => this.isNot ? (0, _utils.getMessage)(this, this.utils.matcherHint('.not.toHaveClass', 'element', ''), 'Expected the element to have classes', '(none)', 'Received', received.join(' ')) : [this.utils.matcherHint(`.toHaveClass`, 'element'), 'At least one expected class must be provided.'].join('\n')
};
}