/
requireVariableType.js
80 lines (69 loc) · 1.87 KB
/
requireVariableType.js
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import _ from 'lodash';
import {
isFlowFile,
quoteName,
} from '../utilities';
const schema = [
{
additionalProperties: false,
properties: {
excludeVariableMatch: {
type: 'string',
},
excludeVariableTypes: {
additionalProperties: false,
properties: {
const: {
type: 'boolean',
},
let: {
type: 'boolean',
},
var: {
type: 'boolean',
},
},
type: 'object',
},
},
type: 'object',
},
];
const create = (context) => {
const checkThisFile = !_.get(context, 'settings.flowtype.onlyFilesWithFlowAnnotation') || isFlowFile(context);
if (!checkThisFile) {
return () => {};
}
const excludeVariableMatch = new RegExp(_.get(context, 'options[0].excludeVariableMatch', 'a^'), 'u');
const excludeVariableTypes = _.get(context, 'options[0].excludeVariableTypes', {});
return {
VariableDeclaration: (variableDeclaration) => {
const variableType = _.get(variableDeclaration, 'kind');
if (_.get(excludeVariableTypes, variableType)) {
return;
}
// eslint-disable-next-line unicorn/no-array-for-each
_.forEach(variableDeclaration.declarations, (variableDeclarator) => {
const identifierNode = _.get(variableDeclarator, 'id');
const identifierName = _.get(identifierNode, 'name');
if (excludeVariableMatch.test(identifierName)) {
return;
}
const typeAnnotation = _.get(identifierNode, 'typeAnnotation');
if (!typeAnnotation) {
context.report({
data: {
name: quoteName(identifierName),
},
message: 'Missing {{name}}variable type annotation.',
node: identifierNode,
});
}
});
},
};
};
export default {
create,
schema,
};