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[Fix]self-closing-comp: stop reporting single-line spaces #2210

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Merged
merged 1 commit into from
Apr 12, 2019
Merged

[Fix]self-closing-comp: stop reporting single-line spaces #2210

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22 changes: 13 additions & 9 deletions lib/rules/self-closing-comp.js
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Original file line number Diff line number Diff line change
Expand Up @@ -44,23 +44,27 @@ module.exports = {
return node.name && node.name.type === 'JSXIdentifier' && !jsxUtil.isDOMComponent(node);
}

function hasChildren(node) {
function childrenIsEmpty(node) {
return node.parent.children.length === 0;
}

function childrenIsMultilineSpaces(node) {
const childrens = node.parent.children;
if (
!childrens.length ||
(childrens.length === 1 && (childrens[0].type === 'Literal' || childrens[0].type === 'JSXText') && !childrens[0].value.replace(/(?!\xA0)\s/g, ''))
) {
return false;
}
return true;

return (
childrens.length === 1 &&
(childrens[0].type === 'Literal' || childrens[0].type === 'JSXText') &&
childrens[0].value.indexOf('\n') !== -1 &&
childrens[0].value.replace(/(?!\xA0)\s/g, '') === ''
);
}

function isShouldBeSelfClosed(node) {
const configuration = Object.assign({}, optionDefaults, context.options[0]);
return (
configuration.component && isComponent(node) ||
configuration.html && jsxUtil.isDOMComponent(node)
) && !node.selfClosing && !hasChildren(node);
) && !node.selfClosing && (childrenIsEmpty(node) || childrenIsMultilineSpaces(node));
}

// --------------------------------------------------------------------------
Expand Down
31 changes: 10 additions & 21 deletions tests/lib/rules/self-closing-comp.js
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Original file line number Diff line number Diff line change
Expand Up @@ -37,6 +37,10 @@ ruleTester.run('self-closing-comp', rule, {
<Hello name="John" />
</Hello>
`
}, {
code: 'var HelloJohn = <Hello name="John"> </Hello>;'
}, {
code: 'var HelloJohn = <Hello name="John"> </Hello>;'
}, {
code: 'var HelloJohn = <div>&nbsp;</div>;'
}, {
Expand All @@ -56,6 +60,12 @@ ruleTester.run('self-closing-comp', rule, {
</Hello>
`,
options: []
}, {
code: 'var HelloJohn = <div> </div>;',
options: []
}, {
code: 'var HelloJohn = <div> </div>;',
options: []
}, {
code: 'var HelloJohn = <div>&nbsp;</div>;',
options: []
Expand Down Expand Up @@ -117,13 +127,6 @@ ruleTester.run('self-closing-comp', rule, {
message: 'Empty components are self-closing'
}]
}, {
code: 'var HelloJohn = <Hello name="John"> </Hello>;',
output: 'var HelloJohn = <Hello name="John" />;',
errors: [{
message: 'Empty components are self-closing'
}]
},
{
code: 'var HelloJohn = <Hello name="John"></Hello>;',
output: 'var HelloJohn = <Hello name="John" />;',
options: [],
Expand All @@ -137,13 +140,6 @@ ruleTester.run('self-closing-comp', rule, {
errors: [{
message: 'Empty components are self-closing'
}]
}, {
code: 'var HelloJohn = <Hello name="John"> </Hello>;',
output: 'var HelloJohn = <Hello name="John" />;',
options: [],
errors: [{
message: 'Empty components are self-closing'
}]
}, {
code: 'var contentContainer = <div className="content"></div>;',
output: 'var contentContainer = <div className="content" />;',
Expand All @@ -158,13 +154,6 @@ ruleTester.run('self-closing-comp', rule, {
errors: [{
message: 'Empty components are self-closing'
}]
}, {
code: 'var contentContainer = <div className="content"> </div>;',
output: 'var contentContainer = <div className="content" />;',
options: [{html: true}],
errors: [{
message: 'Empty components are self-closing'
}]
}
]
});