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requireParameterType.js
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requireParameterType.js
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import _ from 'lodash';
import {
getParameterName,
iterateFunctionNodes,
quoteName
} from '../utilities';
const schema = [
{
additionalProperties: false,
properties: {
excludeArrowFunctions: {
enum: [false, true, 'expressionsOnly']
},
excludeParameterMatch: {
type: 'string'
}
},
type: 'object'
}
];
const create = iterateFunctionNodes((context) => {
const skipArrows = _.get(context, 'options[0].excludeArrowFunctions');
const excludeParameterMatch = new RegExp(_.get(context, 'options[0].excludeParameterMatch', 'a^'));
return (functionNode) => {
_.forEach(functionNode.params, (identifierNode) => {
const parameterName = getParameterName(identifierNode, context);
if (excludeParameterMatch.test(parameterName)) {
return;
}
const typeAnnotation = _.get(identifierNode, 'typeAnnotation') || _.get(identifierNode, 'left.typeAnnotation');
const isArrow = functionNode.type === 'ArrowFunctionExpression';
const isArrowFunctionExpression = functionNode.expression;
if (skipArrows === 'expressionsOnly' && isArrowFunctionExpression || skipArrows === true && isArrow) {
return;
}
if (!typeAnnotation) {
context.report({
data: {
name: quoteName(parameterName)
},
message: 'Missing {{name}}parameter type annotation.',
node: identifierNode
});
}
});
};
});
export default {
create,
schema
};