/
prefer-to-have-length.js
59 lines (57 loc) · 1.38 KB
/
prefer-to-have-length.js
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'use strict';
const {
getDocsUrl,
expectCase,
expectNotCase,
expectResolveCase,
expectRejectCase,
method,
} = require('./util');
module.exports = {
meta: {
docs: {
url: getDocsUrl(__filename),
},
messages: {
useToHaveLength: 'Use toHaveLength() instead',
},
fixable: 'code',
schema: [],
},
create(context) {
return {
CallExpression(node) {
if (
!(
expectNotCase(node) ||
expectResolveCase(node) ||
expectRejectCase(node)
) &&
expectCase(node) &&
(method(node).name === 'toBe' || method(node).name === 'toEqual') &&
node.arguments[0].property &&
node.arguments[0].property.name === 'length'
) {
const propertyDot = context
.getSourceCode()
.getFirstTokenBetween(
node.arguments[0].object,
node.arguments[0].property,
token => token.value === '.',
);
context.report({
fix(fixer) {
return [
fixer.remove(propertyDot),
fixer.remove(node.arguments[0].property),
fixer.replaceText(method(node), 'toHaveLength'),
];
},
messageId: 'useToHaveLength',
node: method(node),
});
}
},
};
},
};