eslint-plugin-rut/lib/rules/require-render-generics.js

ESLint plugin for enforcing Rut (React testing) best practices.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const RENDER_NAMES = ['render', 'renderAndWait'];
const rule = {
    meta: {
        type: 'suggestion',
        docs: {
            category: 'Best Practices',
            description: 'Require generics for `render()` and `renderAndWait()` functions.',
            recommended: true,
        },
        messages: {
            missingGeneric: 'Render is missing the props generic type.',
        },
    },
    create(context) {
        return {
            CallExpression(node) {
                if (node.type === 'CallExpression' &&
                    node.callee.type === 'Identifier' &&
                    RENDER_NAMES.includes(node.callee.name)) {
                    if (node.arguments.length === 0) {
                        return;
                    }
                    // @ts-expect-error
                    const element = node.arguments[0];
                    // Not JSX
                    if (element.type !== 'JSXElement' ||
                        element.openingElement.type !== 'JSXOpeningElement' ||
                        element.openingElement.name.type !== 'JSXIdentifier') {
                        return;
                    }
                    // Don't need generics for host elements
                    if (element.openingElement.name.name.match(/^[a-z]/u)) {
                        return;
                    }
                    if (!node.typeParameters) {
                        context.report({
                            node,
                            messageId: 'missingGeneric',
                        });
                    }
                }
            },
        };
    },
};
exports.default = rule;