/
validSyntax.js
37 lines (33 loc) · 1007 Bytes
/
validSyntax.js
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import _ from 'lodash';
import {
getParameterName,
iterateFunctionNodes,
quoteName,
} from '../utilities';
const schema = [];
const create = iterateFunctionNodes((context) => {
return (functionNode) => {
for (const identifierNode of functionNode.params) {
const nodeType = _.get(identifierNode, 'type');
const isAssignmentPattern = nodeType === 'AssignmentPattern';
const hasTypeAnnotation = Boolean(_.get(identifierNode, 'typeAnnotation'));
const leftAnnotated = Boolean(_.get(identifierNode, 'left.typeAnnotation'));
if (isAssignmentPattern && hasTypeAnnotation && !leftAnnotated) {
context.report({
data: {
name: quoteName(getParameterName(identifierNode, context)),
},
message: '{{name}}parameter type annotation must be placed on left-hand side of assignment.',
node: identifierNode,
});
}
}
};
});
export default {
create,
meta: {
deprecated: true,
},
schema,
};