* chore: make aware eslint that we use jest By setting up the jest environment, we no longer need to declare the 'test' global in the configuration. * chore: don't need to import expect, it's a jest environment global * chore: don't need to import expect when creating undefined test
14 lines
534 B
JavaScript
14 lines
534 B
JavaScript
const {elementIsVisibleInViewport} = require('./_30s.js');
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test('elementIsVisibleInViewport is a Function', () => {
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expect(elementIsVisibleInViewport).toBeInstanceOf(Function);
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});
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test('elementIsVisibleInViewport returns a boolean', () => {
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let el = document.createElement('div');
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expect(typeof elementIsVisibleInViewport(el)).toBe('boolean');
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});
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test('elementIsVisibleInViewport returns a boolean', () => {
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let el = document.createElement('div');
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expect(typeof elementIsVisibleInViewport(el, true)).toBe('boolean');
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});
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