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minifier.spec.js
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import { test, expect } from '@jest/globals';
import { minify } from '../src/htmlminifier';
test('`minifiy` exists', () => {
expect(minify).toBeDefined();
});
test('parsing non-trivial markup', async () => {
let input, output;
expect(await minify('</td>')).toBe('');
expect(await minify('</p>')).toBe('<p></p>');
expect(await minify('</br>')).toBe('<br>');
expect(await minify('<br>x</br>')).toBe('<br>x<br>');
expect(await minify('<p title="</p>">x</p>')).toBe('<p title="</p>">x</p>');
expect(await minify('<p title=" <!-- hello world --> ">x</p>')).toBe('<p title=" <!-- hello world --> ">x</p>');
expect(await minify('<p title=" <![CDATA[ \n\n foobar baz ]]> ">x</p>')).toBe('<p title=" <![CDATA[ \n\n foobar baz ]]> ">x</p>');
expect(await minify('<p foo-bar=baz>xxx</p>')).toBe('<p foo-bar="baz">xxx</p>');
expect(await minify('<p foo:bar=baz>xxx</p>')).toBe('<p foo:bar="baz">xxx</p>');
expect(await minify('<p foo.bar=baz>xxx</p>')).toBe('<p foo.bar="baz">xxx</p>');
input = '<div><div><div><div><div><div><div><div><div><div>' +
'i\'m 10 levels deep' +
'</div></div></div></div></div></div></div></div></div></div>';
expect(await minify(input)).toBe(input);
expect(await minify('<script>alert(\'<!--\')</script>')).toBe('<script>alert(\'<!--\')</script>');
expect(await minify('<script>alert(\'<!-- foo -->\')</script>')).toBe('<script>alert(\'<!-- foo -->\')</script>');
expect(await minify('<script>alert(\'-->\')</script>')).toBe('<script>alert(\'-->\')</script>');
expect(await minify('<a title="x"href=" ">foo</a>')).toBe('<a title="x" href="">foo</a>');
expect(await minify('<p id=""class=""title="">x')).toBe('<p id="" class="" title="">x</p>');
expect(await minify('<p x="x\'"">x</p>')).toBe('<p x="x\'">x</p>', 'trailing quote should be ignored');
expect(await minify('<a href="#"><p>Click me</p></a>')).toBe('<a href="#"><p>Click me</p></a>');
expect(await minify('<span><button>Hit me</button></span>')).toBe('<span><button>Hit me</button></span>');
expect(await minify('<object type="image/svg+xml" data="image.svg"><div>[fallback image]</div></object>')).toBe(
'<object type="image/svg+xml" data="image.svg"><div>[fallback image]</div></object>'
);
expect(await minify('<ng-include src="x"></ng-include>')).toBe('<ng-include src="x"></ng-include>');
expect(await minify('<ng:include src="x"></ng:include>')).toBe('<ng:include src="x"></ng:include>');
expect(await minify('<ng-include src="\'views/partial-notification.html\'"></ng-include><div ng-view=""></div>')).toBe(
'<ng-include src="\'views/partial-notification.html\'"></ng-include><div ng-view=""></div>'
);
// will cause test to time-out if fail
input = '<p>For more information, read <a href=https://stackoverflow.com/questions/17408815/fieldset-resizes-wrong-appears-to-have-unremovable-min-width-min-content/17863685#17863685>this Stack Overflow answer</a>.</p>';
output = '<p>For more information, read <a href="https://stackoverflow.com/questions/17408815/fieldset-resizes-wrong-appears-to-have-unremovable-min-width-min-content/17863685#17863685">this Stack Overflow answer</a>.</p>';
expect(await minify(input)).toBe(output);
input = '<html ⚡></html>';
expect(await minify(input)).toBe(input);
input = '<h:ællæ></h:ællæ>';
expect(await minify(input)).toBe(input);
input = '<$unicorn>';
expect(minify(input)).rejects.toBeInstanceOf(Error, 'Invalid tag name');
expect(await minify(input, {
continueOnParseError: true
})).toBe(input);
input = '<begriffs.pagination ng-init="perPage=20" collection="logs" url="\'/api/logs?user=-1\'" per-page="perPage" per-page-presets="[10,20,50,100]" template-url="/assets/paginate-anything.html"></begriffs.pagination>';
expect(await minify(input)).toBe(input);
// https://github.com/kangax/html-minifier/issues/41
expect(await minify('<some-tag-1></some-tag-1><some-tag-2></some-tag-2>')).toBe(
'<some-tag-1></some-tag-1><some-tag-2></some-tag-2>'
);
// https://github.com/kangax/html-minifier/issues/40
expect(await minify('[\']["]')).toBe('[\']["]');
// https://github.com/kangax/html-minifier/issues/21
expect(await minify('<a href="test.html"><div>hey</div></a>')).toBe('<a href="test.html"><div>hey</div></a>');
// https://github.com/kangax/html-minifier/issues/17
expect(await minify(':) <a href="http://example.com">link</a>')).toBe(':) <a href="http://example.com">link</a>');
// https://github.com/kangax/html-minifier/issues/169
expect(await minify('<a href>ok</a>')).toBe('<a href>ok</a>');
expect(await minify('<a onclick></a>')).toBe('<a onclick></a>');
// https://github.com/kangax/html-minifier/issues/229
expect(await minify('<CUSTOM-TAG></CUSTOM-TAG><div>Hello :)</div>')).toBe('<custom-tag></custom-tag><div>Hello :)</div>');
// https://github.com/kangax/html-minifier/issues/507
input = '<tag v-ref:vm_pv :imgs=" objpicsurl_ "></tag>';
expect(await minify(input)).toBe(input);
input = '<tag v-ref:vm_pv :imgs=" objpicsurl_ " ss"123>';
expect(minify(input)).rejects.toBeInstanceOf(Error, 'invalid attribute name');
expect(await minify(input, {
continueOnParseError: true
})).toBe(input);
// https://github.com/kangax/html-minifier/issues/512
input = '<input class="form-control" type="text" style="" id="{{vm.formInputName}}" name="{{vm.formInputName}}"' +
' placeholder="YYYY-MM-DD"' +
' date-range-picker' +
' data-ng-model="vm.value"' +
' data-ng-model-options="{ debounce: 1000 }"' +
' data-ng-pattern="vm.options.format"' +
' data-options="vm.datepickerOptions">';
expect(await minify(input)).toBe(input);
input = '<input class="form-control" type="text" style="" id="{{vm.formInputName}}" name="{{vm.formInputName}}"' +
' <!--FIXME hardcoded placeholder - dates may not be used for service required fields yet. -->' +
' placeholder="YYYY-MM-DD"' +
' date-range-picker' +
' data-ng-model="vm.value"' +
' data-ng-model-options="{ debounce: 1000 }"' +
' data-ng-pattern="vm.options.format"' +
' data-options="vm.datepickerOptions">';
expect(minify(input)).rejects.toBeInstanceOf(Error, 'HTML comment inside tag');
expect(await minify(input, {
continueOnParseError: true
})).toBe(input);
// // https://github.com/kangax/html-minifier/issues/974
input = '<!–– Failing New York Times Comment -->';
expect(minify(input)).rejects.toBeInstanceOf(Error, 'invalid HTML comment');
expect(await minify(input, {
continueOnParseError: true
})).toBe(input);
input = '<br a=\u00A0 b=" " c="\u00A0">';
output = '<br a="\u00A0" b=" " c="\u00A0">';
expect(await minify(input)).toBe(output);
output = '<br a="\u00A0"b="\u00A0"c="\u00A0">';
expect(await minify(input, {
decodeEntities: true,
removeTagWhitespace: true
})).toBe(output);
output = '<br a=\u00A0 b=\u00A0 c=\u00A0>';
expect(await minify(input, {
decodeEntities: true,
removeAttributeQuotes: true
})).toBe(output);
expect(await minify(input, {
decodeEntities: true,
removeAttributeQuotes: true,
removeTagWhitespace: true
})).toBe(output);
});
test('options', async () => {
const input = '<p>blah<span>blah 2<span>blah 3</span></span></p>';
expect(await minify(input)).toBe(input);
expect(await minify(input, {})).toBe(input);
});
test('case normalization', async () => {
expect(await minify('<P>foo</p>')).toBe('<p>foo</p>');
expect(await minify('<DIV>boo</DIV>')).toBe('<div>boo</div>');
expect(await minify('<DIV title="moo">boo</DiV>')).toBe('<div title="moo">boo</div>');
expect(await minify('<DIV TITLE="blah">boo</DIV>')).toBe('<div title="blah">boo</div>');
expect(await minify('<DIV tItLe="blah">boo</DIV>')).toBe('<div title="blah">boo</div>');
expect(await minify('<DiV tItLe="blah">boo</DIV>')).toBe('<div title="blah">boo</div>');
});
test('space normalization between attributes', async () => {
expect(await minify('<p title="bar">foo</p>')).toBe('<p title="bar">foo</p>');
expect(await minify('<img src="test"/>')).toBe('<img src="test">');
expect(await minify('<p title = "bar">foo</p>')).toBe('<p title="bar">foo</p>');
expect(await minify('<p title\n\n\t =\n "bar">foo</p>')).toBe('<p title="bar">foo</p>');
expect(await minify('<img src="test" \n\t />')).toBe('<img src="test">');
expect(await minify('<input title="bar" id="boo" value="hello world">')).toBe('<input title="bar" id="boo" value="hello world">');
});
test('space normalization around text', async () => {
let input, output;
input = ' <p>blah</p>\n\n\n ';
expect(await minify(input)).toBe(input);
output = '<p>blah</p>';
expect(await minify(input, { collapseWhitespace: true })).toBe(output);
output = ' <p>blah</p> ';
expect(await minify(input, {
collapseWhitespace: true,
conservativeCollapse: true
})).toBe(output);
output = '<p>blah</p>\n';
expect(await minify(input, {
collapseWhitespace: true,
preserveLineBreaks: true
})).toBe(output);
output = ' <p>blah</p>\n';
expect(await minify(input, {
collapseWhitespace: true,
conservativeCollapse: true,
preserveLineBreaks: true
})).toBe(output);
await Promise.all([
'a', 'abbr', 'acronym', 'b', 'big', 'del', 'em', 'font', 'i', 'ins', 'kbd',
'mark', 's', 'samp', 'small', 'span', 'strike', 'strong', 'sub', 'sup',
'time', 'tt', 'u', 'var'
].map(async function (el) {
expect(await minify('foo <' + el + '>baz</' + el + '> bar', { collapseWhitespace: true })).toBe('foo <' + el + '>baz</' + el + '> bar');
expect(await minify('foo<' + el + '>baz</' + el + '>bar', { collapseWhitespace: true })).toBe('foo<' + el + '>baz</' + el + '>bar');
expect(await minify('foo <' + el + '>baz</' + el + '>bar', { collapseWhitespace: true })).toBe('foo <' + el + '>baz</' + el + '>bar');
expect(await minify('foo<' + el + '>baz</' + el + '> bar', { collapseWhitespace: true })).toBe('foo<' + el + '>baz</' + el + '> bar');
expect(await minify('foo <' + el + '> baz </' + el + '> bar', { collapseWhitespace: true })).toBe('foo <' + el + '>baz </' + el + '>bar');
expect(await minify('foo<' + el + '> baz </' + el + '>bar', { collapseWhitespace: true })).toBe('foo<' + el + '> baz </' + el + '>bar');
expect(await minify('foo <' + el + '> baz </' + el + '>bar', { collapseWhitespace: true })).toBe('foo <' + el + '>baz </' + el + '>bar');
expect(await minify('foo<' + el + '> baz </' + el + '> bar', { collapseWhitespace: true })).toBe('foo<' + el + '> baz </' + el + '>bar');
expect(await minify('<div>foo <' + el + '>baz</' + el + '> bar</div>', { collapseWhitespace: true })).toBe('<div>foo <' + el + '>baz</' + el + '> bar</div>');
expect(await minify('<div>foo<' + el + '>baz</' + el + '>bar</div>', { collapseWhitespace: true })).toBe('<div>foo<' + el + '>baz</' + el + '>bar</div>');
expect(await minify('<div>foo <' + el + '>baz</' + el + '>bar</div>', { collapseWhitespace: true })).toBe('<div>foo <' + el + '>baz</' + el + '>bar</div>');
expect(await minify('<div>foo<' + el + '>baz</' + el + '> bar</div>', { collapseWhitespace: true })).toBe('<div>foo<' + el + '>baz</' + el + '> bar</div>');
expect(await minify('<div>foo <' + el + '> baz </' + el + '> bar</div>', { collapseWhitespace: true })).toBe('<div>foo <' + el + '>baz </' + el + '>bar</div>');
expect(await minify('<div>foo<' + el + '> baz </' + el + '>bar</div>', { collapseWhitespace: true })).toBe('<div>foo<' + el + '> baz </' + el + '>bar</div>');
expect(await minify('<div>foo <' + el + '> baz </' + el + '>bar</div>', { collapseWhitespace: true })).toBe('<div>foo <' + el + '>baz </' + el + '>bar</div>');
expect(await minify('<div>foo<' + el + '> baz </' + el + '> bar</div>', { collapseWhitespace: true })).toBe('<div>foo<' + el + '> baz </' + el + '>bar</div>');
}));
// Don't trim whitespace around element, but do trim within
await Promise.all([
'bdi', 'bdo', 'button', 'cite', 'code', 'dfn', 'math', 'q', 'rt', 'rtc', 'ruby', 'svg'
].map(async function (el) {
expect(await minify('foo <' + el + '>baz</' + el + '> bar', { collapseWhitespace: true })).toBe('foo <' + el + '>baz</' + el + '> bar');
expect(await minify('foo<' + el + '>baz</' + el + '>bar', { collapseWhitespace: true })).toBe('foo<' + el + '>baz</' + el + '>bar');
expect(await minify('foo <' + el + '>baz</' + el + '>bar', { collapseWhitespace: true })).toBe('foo <' + el + '>baz</' + el + '>bar');
expect(await minify('foo<' + el + '>baz</' + el + '> bar', { collapseWhitespace: true })).toBe('foo<' + el + '>baz</' + el + '> bar');
expect(await minify('foo <' + el + '> baz </' + el + '> bar', { collapseWhitespace: true })).toBe('foo <' + el + '>baz</' + el + '> bar');
expect(await minify('foo<' + el + '> baz </' + el + '>bar', { collapseWhitespace: true })).toBe('foo<' + el + '>baz</' + el + '>bar');
expect(await minify('foo <' + el + '> baz </' + el + '>bar', { collapseWhitespace: true })).toBe('foo <' + el + '>baz</' + el + '>bar');
expect(await minify('foo<' + el + '> baz </' + el + '> bar', { collapseWhitespace: true })).toBe('foo<' + el + '>baz</' + el + '> bar');
expect(await minify('<div>foo <' + el + '>baz</' + el + '> bar</div>', { collapseWhitespace: true })).toBe('<div>foo <' + el + '>baz</' + el + '> bar</div>');
expect(await minify('<div>foo<' + el + '>baz</' + el + '>bar</div>', { collapseWhitespace: true })).toBe('<div>foo<' + el + '>baz</' + el + '>bar</div>');
expect(await minify('<div>foo <' + el + '>baz</' + el + '>bar</div>', { collapseWhitespace: true })).toBe('<div>foo <' + el + '>baz</' + el + '>bar</div>');
expect(await minify('<div>foo<' + el + '>baz</' + el + '> bar</div>', { collapseWhitespace: true })).toBe('<div>foo<' + el + '>baz</' + el + '> bar</div>');
expect(await minify('<div>foo <' + el + '> baz </' + el + '> bar</div>', { collapseWhitespace: true })).toBe('<div>foo <' + el + '>baz</' + el + '> bar</div>');
expect(await minify('<div>foo<' + el + '> baz </' + el + '>bar</div>', { collapseWhitespace: true })).toBe('<div>foo<' + el + '>baz</' + el + '>bar</div>');
expect(await minify('<div>foo <' + el + '> baz </' + el + '>bar</div>', { collapseWhitespace: true })).toBe('<div>foo <' + el + '>baz</' + el + '>bar</div>');
expect(await minify('<div>foo<' + el + '> baz </' + el + '> bar</div>', { collapseWhitespace: true })).toBe('<div>foo<' + el + '>baz</' + el + '> bar</div>');
}));
await Promise.all([
['<span> foo </span>', '<span>foo</span>'],
[' <span> foo </span> ', '<span>foo</span>'],
['<nobr>a</nobr>', '<nobr>a</nobr>'],
['<nobr>a </nobr>', '<nobr>a</nobr>'],
['<nobr> a</nobr>', '<nobr>a</nobr>'],
['<nobr> a </nobr>', '<nobr>a</nobr>'],
['a<nobr>b</nobr>c', 'a<nobr>b</nobr>c'],
['a<nobr>b </nobr>c', 'a<nobr>b </nobr>c'],
['a<nobr> b</nobr>c', 'a<nobr> b</nobr>c'],
['a<nobr> b </nobr>c', 'a<nobr> b </nobr>c'],
['a<nobr>b</nobr> c', 'a<nobr>b</nobr> c'],
['a<nobr>b </nobr> c', 'a<nobr>b</nobr> c'],
['a<nobr> b</nobr> c', 'a<nobr> b</nobr> c'],
['a<nobr> b </nobr> c', 'a<nobr> b</nobr> c'],
['a <nobr>b</nobr>c', 'a <nobr>b</nobr>c'],
['a <nobr>b </nobr>c', 'a <nobr>b </nobr>c'],
['a <nobr> b</nobr>c', 'a <nobr>b</nobr>c'],
['a <nobr> b </nobr>c', 'a <nobr>b </nobr>c'],
['a <nobr>b</nobr> c', 'a <nobr>b</nobr> c'],
['a <nobr>b </nobr> c', 'a <nobr>b</nobr> c'],
['a <nobr> b</nobr> c', 'a <nobr>b</nobr> c'],
['a <nobr> b </nobr> c', 'a <nobr>b</nobr> c']
].map(async function (inputs) {
expect(await minify(inputs[0], {
collapseWhitespace: true,
conservativeCollapse: true
})).toBe(inputs[0], inputs[0]);
expect(await minify(inputs[0], { collapseWhitespace: true })).toBe(inputs[1], inputs[0]);
const input = '<div>' + inputs[0] + '</div>';
expect(await minify(input, {
collapseWhitespace: true,
conservativeCollapse: true
})).toBe(input, input);
const output = '<div>' + inputs[1] + '</div>';
expect(await minify(input, { collapseWhitespace: true })).toBe(output, input);
}));
expect(await minify('<p>foo <img> bar</p>', { collapseWhitespace: true })).toBe('<p>foo <img> bar</p>');
expect(await minify('<p>foo<img>bar</p>', { collapseWhitespace: true })).toBe('<p>foo<img>bar</p>');
expect(await minify('<p>foo <img>bar</p>', { collapseWhitespace: true })).toBe('<p>foo <img>bar</p>');
expect(await minify('<p>foo<img> bar</p>', { collapseWhitespace: true })).toBe('<p>foo<img> bar</p>');
expect(await minify('<p>foo <wbr> bar</p>', { collapseWhitespace: true })).toBe('<p>foo<wbr> bar</p>');
expect(await minify('<p>foo<wbr>bar</p>', { collapseWhitespace: true })).toBe('<p>foo<wbr>bar</p>');
expect(await minify('<p>foo <wbr>bar</p>', { collapseWhitespace: true })).toBe('<p>foo <wbr>bar</p>');
expect(await minify('<p>foo<wbr> bar</p>', { collapseWhitespace: true })).toBe('<p>foo<wbr> bar</p>');
expect(await minify('<p>foo <wbr baz moo=""> bar</p>', { collapseWhitespace: true })).toBe('<p>foo<wbr baz moo=""> bar</p>');
expect(await minify('<p>foo<wbr baz moo="">bar</p>', { collapseWhitespace: true })).toBe('<p>foo<wbr baz moo="">bar</p>');
expect(await minify('<p>foo <wbr baz moo="">bar</p>', { collapseWhitespace: true })).toBe('<p>foo <wbr baz moo="">bar</p>');
expect(await minify('<p>foo<wbr baz moo=""> bar</p>', { collapseWhitespace: true })).toBe('<p>foo<wbr baz moo=""> bar</p>');
expect(await minify('<p> <a href="#"> <code>foo</code></a> bar</p>', { collapseWhitespace: true })).toBe('<p><a href="#"><code>foo</code></a> bar</p>');
expect(await minify('<p><a href="#"><code>foo </code></a> bar</p>', { collapseWhitespace: true })).toBe('<p><a href="#"><code>foo</code></a> bar</p>');
expect(await minify('<p> <a href="#"> <code> foo</code></a> bar </p>', { collapseWhitespace: true })).toBe('<p><a href="#"><code>foo</code></a> bar</p>');
expect(await minify('<div> Empty <!-- or --> not </div>', { collapseWhitespace: true })).toBe('<div>Empty<!-- or --> not</div>');
expect(await minify('<div> a <input><!-- b --> c </div>', {
collapseWhitespace: true,
removeComments: true
})).toBe('<div>a <input> c</div>');
await Promise.all([
' a <? b ?> c ',
'<!-- d --> a <? b ?> c ',
' <!-- d -->a <? b ?> c ',
' a<!-- d --> <? b ?> c ',
' a <!-- d --><? b ?> c ',
' a <? b ?><!-- d --> c ',
' a <? b ?> <!-- d -->c ',
' a <? b ?> c<!-- d --> ',
' a <? b ?> c <!-- d -->'
].map(async function (input) {
expect(await minify(input, {
collapseWhitespace: true,
conservativeCollapse: true
})).toBe(input, input);
expect(await minify(input, {
collapseWhitespace: true,
removeComments: true
})).toBe('a <? b ?> c', input);
expect(await minify(input, {
collapseWhitespace: true,
conservativeCollapse: true,
removeComments: true
})).toBe(' a <? b ?> c ', input);
input = '<p>' + input + '</p>';
expect(await minify(input, {
collapseWhitespace: true,
conservativeCollapse: true
})).toBe(input, input);
expect(await minify(input, {
collapseWhitespace: true,
removeComments: true
})).toBe('<p>a <? b ?> c</p>', input);
expect(await minify(input, {
collapseWhitespace: true,
conservativeCollapse: true,
removeComments: true
})).toBe('<p> a <? b ?> c </p>', input);
}));
input = '<li><i></i> <b></b> foo</li>';
output = '<li><i></i> <b></b> foo</li>';
expect(await minify(input, { collapseWhitespace: true })).toBe(output);
input = '<li><i> </i> <b></b> foo</li>';
expect(await minify(input, { collapseWhitespace: true })).toBe(output);
input = '<li> <i></i> <b></b> foo</li>';
expect(await minify(input, { collapseWhitespace: true })).toBe(output);
input = '<li><i></i> <b> </b> foo</li>';
expect(await minify(input, { collapseWhitespace: true })).toBe(output);
input = '<li> <i> </i> <b> </b> foo</li>';
expect(await minify(input, { collapseWhitespace: true })).toBe(output);
input = '<div> <a href="#"> <span> <b> foo </b> <i> bar </i> </span> </a> </div>';
output = '<div><a href="#"><span><b>foo </b><i>bar</i></span></a></div>';
expect(await minify(input, { collapseWhitespace: true })).toBe(output);
input = '<head> <!-- a --> <!-- b --><link> </head>';
output = '<head><!-- a --><!-- b --><link></head>';
expect(await minify(input, { collapseWhitespace: true })).toBe(output);
input = '<head> <!-- a --> <!-- b --> <!-- c --><link> </head>';
output = '<head><!-- a --><!-- b --><!-- c --><link></head>';
expect(await minify(input, { collapseWhitespace: true })).toBe(output);
input = '<p> foo\u00A0bar\nbaz \u00A0\nmoo\t</p>';
output = '<p>foo\u00A0bar baz \u00A0 moo</p>';
expect(await minify(input, { collapseWhitespace: true })).toBe(output);
input = '<label> foo </label>\n' +
'<input>\n' +
'<object> bar </object>\n' +
'<select> baz </select>\n' +
'<textarea> moo </textarea>\n';
output = '<label>foo</label> <input> <object>bar</object> <select>baz</select> <textarea> moo </textarea>';
expect(await minify(input, { collapseWhitespace: true })).toBe(output);
input = '<pre>\n' +
'foo\n' +
'<br>\n' +
'bar\n' +
'</pre>\n' +
'baz\n';
output = '<pre>\nfoo\n<br>\nbar\n</pre>baz';
expect(await minify(input, { collapseWhitespace: true })).toBe(output);
});
test('types of whitespace that should always be preserved', async () => {
// Hair space:
let input = '<div>\u200afo\u200ao\u200a</div>';
expect(await minify(input, { collapseWhitespace: true })).toBe(input);
// Hair space passed as HTML entity:
let inputWithEntities = '<div> fo o </div>';
expect(await minify(inputWithEntities, { collapseWhitespace: true })).toBe(inputWithEntities);
// Hair space passed as HTML entity, in decodeEntities:true mode:
expect(await minify(inputWithEntities, { collapseWhitespace: true, decodeEntities: true })).toBe(input);
// Non-breaking space:
input = '<div>\xa0fo\xa0o\xa0</div>';
expect(await minify(input, { collapseWhitespace: true })).toBe(input);
// Non-breaking space passed as HTML entity:
inputWithEntities = '<div> fo o </div>';
expect(await minify(inputWithEntities, { collapseWhitespace: true })).toBe(inputWithEntities);
// Non-breaking space passed as HTML entity, in decodeEntities:true mode:
expect(await minify(inputWithEntities, { collapseWhitespace: true, decodeEntities: true })).toBe(input);
// Do not remove hair space when preserving line breaks between tags:
input = '<p></p>\u200a\n<p></p>\n';
expect(await minify(input, { collapseWhitespace: true, preserveLineBreaks: true })).toBe(input);
// Preserve hair space in attributes:
input = '<p class="foo\u200abar"></p>';
expect(await minify(input, { collapseWhitespace: true })).toBe(input);
// Preserve hair space in class names when deduplicating and reordering:
input = '<a class="0 1\u200a3 2 3"></a>';
expect(await minify(input, { sortClassName: false })).toBe(input);
expect(await minify(input, { sortClassName: true })).toBe(input);
});
test('doctype normalization', async () => {
let input;
const output = '<!doctype html>';
input = '<!DOCTYPE html>';
expect(await minify(input, { useShortDoctype: false })).toBe(input);
expect(await minify(input, { useShortDoctype: true })).toBe(output);
expect(await minify(input, {
useShortDoctype: true,
removeTagWhitespace: true
})).toBe('<!doctypehtml>');
input = '<!DOCTYPE\nhtml>';
expect(await minify(input, { useShortDoctype: false })).toBe('<!DOCTYPE html>');
expect(await minify(input, { useShortDoctype: true })).toBe(output);
input = '<!DOCTYPE\thtml>';
expect(await minify(input, { useShortDoctype: false })).toBe(input);
expect(await minify(input, { useShortDoctype: true })).toBe(output);
input = '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"\n "http://www.w3.org/TR/html4/strict.dtd">';
expect(await minify(input, { useShortDoctype: false })).toBe('<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">');
expect(await minify(input, { useShortDoctype: true })).toBe(output);
});
test('removing comments', async () => {
let input;
input = '<!-- test -->';
expect(await minify(input, { removeComments: true })).toBe('');
input = '<!-- foo --><div>baz</div><!-- bar\n\n moo -->';
expect(await minify(input, { removeComments: true })).toBe('<div>baz</div>');
expect(await minify(input, { removeComments: false })).toBe(input);
input = '<p title="<!-- comment in attribute -->">foo</p>';
expect(await minify(input, { removeComments: true })).toBe(input);
input = '<script><!-- alert(1) --></script>';
expect(await minify(input, { removeComments: true })).toBe(input);
input = '<STYLE><!-- alert(1) --></STYLE>';
expect(await minify(input, { removeComments: true })).toBe('<style><!-- alert(1) --></style>');
});
test('ignoring comments', async () => {
let input;
input = '<!--! test -->';
expect(await minify(input, { removeComments: true })).toBe(input);
expect(await minify(input, { removeComments: false })).toBe(input);
input = '<!--! foo --><div>baz</div><!--! bar\n\n moo -->';
expect(await minify(input, { removeComments: true })).toBe(input);
expect(await minify(input, { removeComments: false })).toBe(input);
input = '<!--! foo --><div>baz</div><!-- bar\n\n moo -->';
expect(await minify(input, { removeComments: true })).toBe('<!--! foo --><div>baz</div>');
expect(await minify(input, { removeComments: false })).toBe(input);
input = '<!-- ! test -->';
expect(await minify(input, { removeComments: true })).toBe('');
expect(await minify(input, { removeComments: false })).toBe(input);
input = '<div>\n\n \t<div><div>\n\n<p>\n\n<!--! \t\n\nbar\n\n moo --> \n\n</p>\n\n </div> </div></div>';
const output = '<div><div><div><p><!--! \t\n\nbar\n\n moo --></p></div></div></div>';
expect(await minify(input, { removeComments: true })).toBe(input);
expect(await minify(input, { removeComments: true, collapseWhitespace: true })).toBe(output);
expect(await minify(input, { removeComments: false })).toBe(input);
expect(await minify(input, { removeComments: false, collapseWhitespace: true })).toBe(output);
input = '<p rel="<!-- comment in attribute -->" title="<!--! ignored comment in attribute -->">foo</p>';
expect(await minify(input, { removeComments: true })).toBe(input);
});
test('conditional comments', async () => {
let input, output;
input = '<![if IE 5]>test<![endif]>';
expect(await minify(input, { removeComments: true })).toBe(input);
input = '<!--[if IE 6]>test<![endif]-->';
expect(await minify(input, { removeComments: true })).toBe(input);
input = '<!--[if IE 7]>-->test<!--<![endif]-->';
expect(await minify(input, { removeComments: true })).toBe(input);
input = '<!--[if IE 8]><!-->test<!--<![endif]-->';
expect(await minify(input, { removeComments: true })).toBe(input);
input = '<!--[if lt IE 5.5]>test<![endif]-->';
expect(await minify(input, { removeComments: true })).toBe(input);
input = '<!--[if (gt IE 5)&(lt IE 7)]>test<![endif]-->';
expect(await minify(input, { removeComments: true })).toBe(input);
input = '<html>\n' +
' <head>\n' +
' <!--[if lte IE 8]>\n' +
' <script type="text/javascript">\n' +
' alert("ie8!");\n' +
' </script>\n' +
' <![endif]-->\n' +
' </head>\n' +
' <body>\n' +
' </body>\n' +
'</html>';
output = '<head><!--[if lte IE 8]>\n' +
' <script type="text/javascript">\n' +
' alert("ie8!");\n' +
' </script>\n' +
' <![endif]-->';
expect(await minify(input, {
minifyJS: true,
removeComments: true,
collapseWhitespace: true,
removeOptionalTags: true,
removeScriptTypeAttributes: true
})).toBe(output);
output = '<head><!--[if lte IE 8]><script>alert("ie8!")</script><![endif]-->';
expect(await minify(input, {
minifyJS: true,
removeComments: true,
collapseWhitespace: true,
removeOptionalTags: true,
removeScriptTypeAttributes: true,
processConditionalComments: true
})).toBe(output);
input = '<!DOCTYPE html>\n' +
'<html lang="en">\n' +
' <head>\n' +
' <meta http-equiv="X-UA-Compatible"\n' +
' content="IE=edge,chrome=1">\n' +
' <meta charset="utf-8">\n' +
' <!--[if lt IE 7]><html class="no-js ie6"><![endif]-->\n' +
' <!--[if IE 7]><html class="no-js ie7"><![endif]-->\n' +
' <!--[if IE 8]><html class="no-js ie8"><![endif]-->\n' +
' <!--[if gt IE 8]><!--><html class="no-js"><!--<![endif]-->\n' +
'\n' +
' <title>Document</title>\n' +
' </head>\n' +
' <body>\n' +
' </body>\n' +
'</html>';
output = '<!DOCTYPE html>' +
'<html lang="en">' +
'<head>' +
'<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">' +
'<meta charset="utf-8">' +
'<!--[if lt IE 7]><html class="no-js ie6"><![endif]-->' +
'<!--[if IE 7]><html class="no-js ie7"><![endif]-->' +
'<!--[if IE 8]><html class="no-js ie8"><![endif]-->' +
'<!--[if gt IE 8]><!--><html class="no-js"><!--<![endif]-->' +
'<title>Document</title></head><body></body></html>';
expect(await minify(input, {
removeComments: true,
collapseWhitespace: true
})).toBe(output);
expect(await minify(input, {
removeComments: true,
collapseWhitespace: true,
processConditionalComments: true
})).toBe(output);
});
test('collapsing space in conditional comments', async () => {
let input, output;
input = '<!--[if IE 7]>\n\n \t\n \t\t ' +
'<link rel="stylesheet" href="/css/ie7-fixes.css" type="text/css" />\n\t' +
'<![endif]-->';
expect(await minify(input, { removeComments: true })).toBe(input);
expect(await minify(input, { removeComments: true, collapseWhitespace: true })).toBe(input);
output = '<!--[if IE 7]>\n\n \t\n \t\t ' +
'<link rel="stylesheet" href="/css/ie7-fixes.css" type="text/css">\n\t' +
'<![endif]-->';
expect(await minify(input, { removeComments: true, processConditionalComments: true })).toBe(output);
output = '<!--[if IE 7]>' +
'<link rel="stylesheet" href="/css/ie7-fixes.css" type="text/css">' +
'<![endif]-->';
expect(await minify(input, {
removeComments: true,
collapseWhitespace: true,
processConditionalComments: true
})).toBe(output);
input = '<!--[if lte IE 6]>\n \n \n\n\n\t' +
'<p title=" sigificant whitespace ">blah blah</p>' +
'<![endif]-->';
expect(await minify(input, { removeComments: true })).toBe(input);
expect(await minify(input, { removeComments: true, collapseWhitespace: true })).toBe(input);
output = '<!--[if lte IE 6]>' +
'<p title=" sigificant whitespace ">blah blah</p>' +
'<![endif]-->';
expect(await minify(input, {
removeComments: true,
collapseWhitespace: true,
processConditionalComments: true
})).toBe(output);
});
test('remove comments from scripts', async () => {
let input, output;
input = '<script><!--\nalert(1);\n--></script>';
expect(await minify(input)).toBe(input);
output = '<script>alert(1)</script>';
expect(await minify(input, { minifyJS: true })).toBe(output);
input = '<script><!--alert(2);--></script>';
expect(await minify(input)).toBe(input);
output = '<script></script>';
expect(await minify(input, { minifyJS: true })).toBe(output);
input = '<script><!--alert(3);\n--></script>';
expect(await minify(input)).toBe(input);
output = '<script></script>';
expect(await minify(input, { minifyJS: true })).toBe(output);
input = '<script><!--\nalert(4);--></script>';
expect(await minify(input)).toBe(input);
expect(await minify(input, { minifyJS: true })).toBe(input);
input = '<script><!--alert(5);\nalert(6);\nalert(7);--></script>';
expect(await minify(input)).toBe(input);
expect(await minify(input, { minifyJS: true })).toBe(input);
input = '<script><!--alert(8)</script>';
expect(await minify(input)).toBe(input);
output = '<script></script>';
expect(await minify(input, { minifyJS: true })).toBe(output);
input = '<script type="text/javascript"> \n <!--\nalert("-->"); -->\n\n </script>';
expect(await minify(input)).toBe(input);
expect(await minify(input, { minifyJS: true })).toBe(input);
input = '<script type="text/javascript"> \n <!--\nalert("-->");\n -->\n\n </script>';
expect(await minify(input)).toBe(input);
output = '<script type="text/javascript">alert("--\\x3e")</script>';
expect(await minify(input, { minifyJS: true })).toBe(output);
input = '<script> // <!-- \n alert(1) // --> </script>';
expect(await minify(input)).toBe(input);
output = '<script>alert(1)</script>';
expect(await minify(input, { minifyJS: true })).toBe(output);
input = '<script type="text/html">\n<div>\n</div>\n<!-- aa -->\n</script>';
expect(await minify(input)).toBe(input);
expect(await minify(input, { minifyJS: true })).toBe(input);
});
test('remove comments from styles', async () => {
let input, output;
input = '<style><!--\np.a{background:red}\n--></style>';
expect(await minify(input)).toBe(input);
output = '<style>p.a{background:red}</style>';
expect(await minify(input, { minifyCSS: true })).toBe(output);
input = '<style><!--p.b{background:red}--></style>';
expect(await minify(input)).toBe(input);
output = '<style>p.b{background:red}</style>';
expect(await minify(input, { minifyCSS: true })).toBe(output);
input = '<style><!--p.c{background:red}\n--></style>';
expect(await minify(input)).toBe(input);
output = '<style>p.c{background:red}</style>';
expect(await minify(input, { minifyCSS: true })).toBe(output);
input = '<style><!--\np.d{background:red}--></style>';
expect(await minify(input)).toBe(input);
output = '<style>p.d{background:red}</style>';
expect(await minify(input, { minifyCSS: true })).toBe(output);
input = '<style><!--p.e{background:red}\np.f{background:red}\np.g{background:red}--></style>';
expect(await minify(input)).toBe(input);
output = '<style>p.e{background:red}p.f{background:red}p.g{background:red}</style>';
expect(await minify(input, { minifyCSS: true })).toBe(output);
input = '<style>p.h{background:red}<!--\np.i{background:red}\n-->p.j{background:red}</style>';
expect(await minify(input)).toBe(input);
output = '<style>p.h{background:red}p.i{background:red}p.j{background:red}</style>';
expect(await minify(input, { minifyCSS: true })).toBe(output);
input = '<style type="text/css"><!-- p { color: red } --></style>';
expect(await minify(input)).toBe(input);
output = '<style type="text/css">p{color:red}</style>';
expect(await minify(input, { minifyCSS: true })).toBe(output);
input = '<style type="text/css">p::before { content: "<!--" }</style>';
expect(await minify(input)).toBe(input);
output = '<style type="text/css">p::before{content:"<!--"}</style>';
expect(await minify(input, { minifyCSS: true })).toBe(output);
input = '<style type="text/html">\n<div>\n</div>\n<!-- aa -->\n</style>';
expect(await minify(input)).toBe(input);
expect(await minify(input, { minifyCSS: true })).toBe(input);
});
test('remove CDATA sections from scripts/styles', async () => {
let input, output;
input = '<script><![CDATA[\nalert(1)\n]]></script>';
expect(await minify(input)).toBe(input);
expect(await minify(input, { minifyJS: true })).toBe(input);
input = '<script><![CDATA[alert(2)]]></script>';
expect(await minify(input)).toBe(input);
expect(await minify(input, { minifyJS: true })).toBe(input);
input = '<script><![CDATA[alert(3)\n]]></script>';
expect(await minify(input)).toBe(input);
expect(await minify(input, { minifyJS: true })).toBe(input);
input = '<script><![CDATA[\nalert(4)]]></script>';
expect(await minify(input)).toBe(input);
expect(await minify(input, { minifyJS: true })).toBe(input);
input = '<script><![CDATA[alert(5)\nalert(6)\nalert(7)]]></script>';
expect(await minify(input)).toBe(input);
expect(await minify(input, { minifyJS: true })).toBe(input);
input = '<script>/*<![CDATA[*/alert(8)/*]]>*/</script>';
expect(await minify(input)).toBe(input);
output = '<script>alert(8)</script>';
expect(await minify(input, { minifyJS: true })).toBe(output);
input = '<script>//<![CDATA[\nalert(9)\n//]]></script>';
expect(await minify(input)).toBe(input);
output = '<script>alert(9)</script>';
expect(await minify(input, { minifyJS: true })).toBe(output);
input = '<script type="text/javascript"> /* \n\t <![CDATA[ */ alert(10) /* ]]> */ \n </script>';
expect(await minify(input)).toBe(input);
output = '<script type="text/javascript">alert(10)</script>';
expect(await minify(input, { minifyJS: true })).toBe(output);
input = '<script>\n\n//<![CDATA[\nalert(11)//]]></script>';
expect(await minify(input)).toBe(input);
output = '<script>alert(11)</script>';
expect(await minify(input, { minifyJS: true })).toBe(output);
input = '<style><![CDATA[\np.a{background:red}\n]]></style>';
expect(await minify(input)).toBe(input);
output = '<style></style>';
expect(await minify(input, { minifyCSS: true })).toBe(output);
input = '<style><![CDATA[p.b{background:red}]]></style>';
expect(await minify(input)).toBe(input);
output = '<style></style>';
expect(await minify(input, { minifyCSS: true })).toBe(output);
input = '<style><![CDATA[p.c{background:red}\n]]></style>';
expect(await minify(input)).toBe(input);
output = '<style></style>';
expect(await minify(input, { minifyCSS: true })).toBe(output);
input = '<style><![CDATA[\np.d{background:red}]]></style>';
expect(await minify(input)).toBe(input);
output = '<style></style>';
expect(await minify(input, { minifyCSS: true })).toBe(output);
input = '<style><![CDATA[p.e{background:red}\np.f{background:red}\np.g{background:red}]]></style>';
expect(await minify(input)).toBe(input);
output = '<style>p.f{background:red}p.g{background:red}</style>';
expect(await minify(input, { minifyCSS: true })).toBe(output);
input = '<style>p.h{background:red}<![CDATA[\np.i{background:red}\n]]>p.j{background:red}</style>';
expect(await minify(input)).toBe(input);
output = '<style>p.h{background:red}]]>p.j{background:red}</style>';
expect(await minify(input, { minifyCSS: true })).toBe(output);
input = '<style>/* <![CDATA[ */p { color: red } // ]]></style>';
expect(await minify(input)).toBe(input);
output = '<style>p{color:red}</style>';
expect(await minify(input, { minifyCSS: true })).toBe(output);
input = '<style type="text/html">\n<div>\n</div>\n<![CDATA[ aa ]]>\n</style>';
expect(await minify(input)).toBe(input);
expect(await minify(input, { minifyCSS: true })).toBe(input);
});
test('custom processors', async () => {
let input, output;
function css(text, type) {
return (type || 'Normal') + ' CSS';
}
async function asyncCss(text, type) {
return (type || 'Normal') + ' CSS';
}
input = '<style>\n.foo { font: 12pt "bar" } </style>';
expect(await minify(input)).toBe(input);
expect(await minify(input, { minifyCSS: null })).toBe(input);
expect(await minify(input, { minifyCSS: false })).toBe(input);
output = '<style>Normal CSS</style>';
expect(await minify(input, { minifyCSS: css })).toBe(output);
expect(await minify(input, { minifyCSS: asyncCss })).toBe(output);
input = '<p style="font: 12pt \'bar\'"></p>';
expect(await minify(input)).toBe(input);
expect(await minify(input, { minifyCSS: null })).toBe(input);
expect(await minify(input, { minifyCSS: false })).toBe(input);
output = '<p style="inline CSS"></p>';
expect(await minify(input, { minifyCSS: css })).toBe(output);
input = '<link rel="stylesheet" href="css/style-mobile.css" media="(max-width: 737px)">';
expect(await minify(input)).toBe(input);
expect(await minify(input, { minifyCSS: null })).toBe(input);
expect(await minify(input, { minifyCSS: false })).toBe(input);
output = '<link rel="stylesheet" href="css/style-mobile.css" media="media CSS">';
expect(await minify(input, { minifyCSS: css })).toBe(output);
input = '<style media="(max-width: 737px)"></style>';
expect(await minify(input)).toBe(input);
expect(await minify(input, { minifyCSS: null })).toBe(input);
expect(await minify(input, { minifyCSS: false })).toBe(input);
output = '<style media="media CSS">Normal CSS</style>';
expect(await minify(input, { minifyCSS: css })).toBe(output);
function js(text, inline) {
return inline ? 'Inline JS' : 'Normal JS';
}
input = '<script>\nalert(1); </script>';
expect(await minify(input)).toBe(input);
expect(await minify(input, { minifyJS: null })).toBe(input);
expect(await minify(input, { minifyJS: false })).toBe(input);
output = '<script>Normal JS</script>';
expect(await minify(input, { minifyJS: js })).toBe(output);
input = '<p onload="alert(1);"></p>';
expect(await minify(input)).toBe(input);
expect(await minify(input, { minifyJS: null })).toBe(input);
expect(await minify(input, { minifyJS: false })).toBe(input);
output = '<p onload="Inline JS"></p>';
expect(await minify(input, { minifyJS: js })).toBe(output);
function url() {
return 'URL';
}
input = '<a href="http://site.com/foo">bar</a>';
expect(await minify(input)).toBe(input);
expect(await minify(input, { minifyURLs: null })).toBe(input);
expect(await minify(input, { minifyURLs: false })).toBe(input);
output = '<a href="URL">bar</a>';
expect(await minify(input, { minifyURLs: url })).toBe(output);
input = '<style>\n.foo { background: url("http://site.com/foo") } </style>';
expect(await minify(input)).toBe(input);
expect(await minify(input, { minifyURLs: null })).toBe(input);
expect(await minify(input, { minifyURLs: false })).toBe(input);
expect(await minify(input, { minifyURLs: url })).toBe(input);
output = '<style>.foo{background:url("URL")}</style>';
expect(await minify(input, { minifyCSS: true, minifyURLs: url })).toBe(output);
});
test('empty attributes', async () => {
let input;
input = '<p id="" class="" STYLE=" " title="\n" lang="" dir="">x</p>';
expect(await minify(input, { removeEmptyAttributes: true })).toBe('<p>x</p>');
input = '<p onclick="" ondblclick=" " onmousedown="" ONMOUSEUP="" onmouseover=" " onmousemove="" onmouseout="" ' +
'onkeypress=\n\n "\n " onkeydown=\n"" onkeyup\n="">x</p>';
expect(await minify(input, { removeEmptyAttributes: true })).toBe('<p>x</p>');
input = '<input onfocus="" onblur="" onchange=" " value=" boo ">';
expect(await minify(input, { removeEmptyAttributes: true })).toBe('<input value=" boo ">');
input = '<input value="" name="foo">';
expect(await minify(input, { removeEmptyAttributes: true })).toBe('<input name="foo">');
input = '<img src="" alt="">';
expect(await minify(input, { removeEmptyAttributes: true })).toBe('<img src="" alt="">');
// preserve unrecognized attribute
// remove recognized attrs with unspecified values
input = '<div data-foo class id style title lang dir onfocus onblur onchange onclick ondblclick onmousedown onmouseup onmouseover onmousemove onmouseout onkeypress onkeydown onkeyup></div>';
expect(await minify(input, { removeEmptyAttributes: true })).toBe('<div data-foo></div>');
// additional remove attributes
input = '<img src="" alt="">';
expect(await minify(input, { removeEmptyAttributes: function (attrName, tag) { return tag === 'img' && attrName === 'src'; } })).toBe('<img alt="">');
});
test('cleaning class/style attributes', async () => {
let input, output;
input = '<p class=" foo bar ">foo bar baz</p>';
expect(await minify(input)).toBe('<p class="foo bar">foo bar baz</p>');
input = '<p class=" foo ">foo bar baz</p>';
expect(await minify(input)).toBe('<p class="foo">foo bar baz</p>');
expect(await minify(input, { removeAttributeQuotes: true })).toBe('<p class=foo>foo bar baz</p>');
input = '<p class="\n \n foo \n\n\t \t\n ">foo bar baz</p>';
output = '<p class="foo">foo bar baz</p>';
expect(await minify(input)).toBe(output);
input = '<p class="\n \n foo \n\n\t \t\n class1 class-23 ">foo bar baz</p>';
output = '<p class="foo class1 class-23">foo bar baz</p>';
expect(await minify(input)).toBe(output);
input = '<p style=" color: red; background-color: rgb(100, 75, 200); "></p>';
output = '<p style="color: red; background-color: rgb(100, 75, 200);"></p>';
expect(await minify(input)).toBe(output);
input = '<p style="font-weight: bold ; "></p>';
output = '<p style="font-weight: bold;"></p>';
expect(await minify(input)).toBe(output);
});
test('cleaning URI-based attributes', async () => {
let input, output;
input = '<a href=" http://example.com ">x</a>';
output = '<a href="http://example.com">x</a>';
expect(await minify(input)).toBe(output);
input = '<a href=" \t\t \n \t ">x</a>';
output = '<a href="">x</a>';
expect(await minify(input)).toBe(output);
input = '<img src=" http://example.com " title="bleh " longdesc=" http://example.com/longdesc \n\n \t ">';
output = '<img src="http://example.com" title="bleh " longdesc="http://example.com/longdesc">';
expect(await minify(input)).toBe(output);
input = '<img src="" usemap=" http://example.com ">';
output = '<img src="" usemap="http://example.com">';
expect(await minify(input)).toBe(output);
input = '<form action=" somePath/someSubPath/someAction?foo=bar&baz=qux "></form>';
output = '<form action="somePath/someSubPath/someAction?foo=bar&baz=qux"></form>';
expect(await minify(input)).toBe(output);
input = '<BLOCKQUOTE cite=" \n\n\n http://www.mycom.com/tolkien/twotowers.html "><P>foobar</P></BLOCKQUOTE>';
output = '<blockquote cite="http://www.mycom.com/tolkien/twotowers.html"><p>foobar</p></blockquote>';
expect(await minify(input)).toBe(output);
input = '<head profile=" http://gmpg.org/xfn/11 "></head>';
output = '<head profile="http://gmpg.org/xfn/11"></head>';
expect(await minify(input)).toBe(output);
input = '<object codebase=" http://example.com "></object>';
output = '<object codebase="http://example.com"></object>';
expect(await minify(input)).toBe(output);
input = '<span profile=" 1, 2, 3 ">foo</span>';
expect(await minify(input)).toBe(input);
input = '<div action=" foo-bar-baz ">blah</div>';
expect(await minify(input)).toBe(input);
});
test('cleaning Number-based attributes', async () => {
let input, output;
input = '<a href="#" tabindex=" 1 ">x</a><button tabindex=" 2 ">y</button>';
output = '<a href="#" tabindex="1">x</a><button tabindex="2">y</button>';
expect(await minify(input)).toBe(output);
input = '<input value="" maxlength=" 5 ">';
output = '<input value="" maxlength="5">';
expect(await minify(input)).toBe(output);
input = '<select size=" 10 \t\t "><option>x</option></select>';
output = '<select size="10"><option>x</option></select>';
expect(await minify(input)).toBe(output);
input = '<textarea rows=" 20 " cols=" 30 "></textarea>';
output = '<textarea rows="20" cols="30"></textarea>';
expect(await minify(input)).toBe(output);
input = '<COLGROUP span=" 40 "><COL span=" 39 "></COLGROUP>';
output = '<colgroup span="40"><col span="39"></colgroup>';
expect(await minify(input)).toBe(output);
input = '<tr><td colspan=" 2 ">x</td><td rowspan=" 3 "></td></tr>';
output = '<tr><td colspan="2">x</td><td rowspan="3"></td></tr>';