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CSS: Trim whitespace surrounding CSS Custom Properties values #4930

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Merged
mgol merged 5 commits into from
Sep 23, 2021
Merged

CSS: Trim whitespace surrounding CSS Custom Properties values #4930

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04d7e47
CSS: workaround trim whitespace #4926
fecore1 Sep 13, 2021
b6a958e
CSS: add limit to trim whitespace only for custom prop
fecore1 Sep 14, 2021
af5f56e
Tests: add test case to css custom property
fecore1 Sep 17, 2021
29384e6
CSS: just trim css whitespace
fecore1 Sep 23, 2021
b42af36
Update src/css/curCSS.js
mgol Sep 23, 2021
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5 changes: 4 additions & 1 deletion src/css/curCSS.js
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Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,10 @@ function curCSS( elem, name, computed ) {

// getPropertyValue is needed for `.css('--customProperty')` (gh-3144)
if ( computed ) {
ret = computed.getPropertyValue( name ) || computed[ name ];
ret = computed.getPropertyValue( name );

// trim whitespace (issue #4926)
ret = ( ret && ret.trim() ) || computed[ name ];

if ( ret === "" && !isAttached( elem ) ) {
ret = jQuery.style( elem, name );
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16 changes: 9 additions & 7 deletions test/unit/css.js
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Expand Up @@ -1739,8 +1739,9 @@ QUnit.testUnlessIE( "css(--customProperty)", function( assert ) {
" --prop1:val1;\n" +
" --prop2: val2;\n" +
" --prop3:val3 ;\n" +
" --prop4:\"val4\";\n" +
" --prop5:'val5';\n" +
" --prop4: val4 ;\n" +
" --prop5:\"val5\";\n" +
" --prop6:'val6';\n" +
" }\n" +
"</style>"
);
Expand All @@ -1749,7 +1750,7 @@ QUnit.testUnlessIE( "css(--customProperty)", function( assert ) {
$elem = jQuery( "<div>" ).addClass( "test__customProperties" )
.appendTo( "#qunit-fixture" ),
webkitOrBlink = /\bsafari\b/i.test( navigator.userAgent ),
expected = 10;
expected = 11;

if ( webkitOrBlink ) {
expected -= 2;
Expand Down Expand Up @@ -1777,15 +1778,16 @@ QUnit.testUnlessIE( "css(--customProperty)", function( assert ) {

assert.equal( $elem.css( "--prop1" ), "val1", "Basic CSS custom property" );

assert.equal( $elem.css( "--prop2" ), " val2", "Preceding whitespace maintained" );
assert.equal( $elem.css( "--prop3" ), "val3 ", "Following whitespace maintained" );
assert.equal( $elem.css( "--prop2" ), "val2", "Preceding whitespace trimmed" );
assert.equal( $elem.css( "--prop3" ), "val3", "Following whitespace trimmed" );
assert.equal( $elem.css( "--prop4" ), "val4", "Preceding and Following whitespace trimmed" );

// Support: Chrome <=49 - 73+, Safari <=9.1 - 12.1+
// Chrome treats single quotes as double ones.
// Safari treats double quotes as single ones.
if ( !webkitOrBlink ) {
assert.equal( $elem.css( "--prop4" ), "\"val4\"", "Works with double quotes" );
assert.equal( $elem.css( "--prop5" ), "'val5'", "Works with single quotes" );
assert.equal( $elem.css( "--prop5" ), "\"val5\"", "Works with double quotes" );
assert.equal( $elem.css( "--prop6" ), "'val6'", "Works with single quotes" );
}
} );

Expand Down