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single-property.js
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single-property.js
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'use strict';
module.exports = {
meta: {
type: 'layout',
docs: {
description: 'Keep curly braces on one line when you have one destructuring property',
category: 'destructuring',
recommended: true,
},
fixable: 'whitespace',
},
create(context) {
return {
'VariableDeclarator[id.type="ObjectPattern"][id.properties.length=1]': (node) => {
const {id} = node;
const text = context
.getSourceCode()
.getText(node.parent);
if (!/(const|let|var) \{\n/.test(text))
return;
const assignRegExp = /\{\n?.*=.*\n?.*}/;
if (assignRegExp.test(text))
return;
context.report({
node,
message: 'Keep curly braces on one line when you have one destructuring property',
fix(fixer) {
const [property] = id.properties;
const {key, value} = property;
if (key.name === value.name)
return [
fixer.replaceText(id, `{${key.name}}`),
];
return [
fixer.replaceText(id, `{${key.name}: ${value.name}}`),
];
},
});
},
};
},
};