91 lines
5.4 KiB
JavaScript
91 lines
5.4 KiB
JavaScript
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"use strict";
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var _definerule = require("../utils/define-rule");
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var url = "https://nextjs.org/docs/messages/no-async-client-component";
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var description = "Prevent client components from being async functions.";
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var message = "".concat(description, " See: ").concat(url);
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function isCapitalized(str) {
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return /[A-Z]/.test(str === null || str === void 0 ? void 0 : str[0]);
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}
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module.exports = (0, _definerule.defineRule)({
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meta: {
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docs: {
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description: description,
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recommended: true,
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url: url
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},
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type: "problem",
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schema: []
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},
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create: function create(context) {
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return {
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Program: function Program(node) {
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var isClientComponent = false;
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var _iteratorNormalCompletion = true, _didIteratorError = false, _iteratorError = undefined;
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try {
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var _loop = function() {
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var block = _step.value;
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if (block.type === "ExpressionStatement" && block.expression.type === "Literal" && block.expression.value === "use client") {
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isClientComponent = true;
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}
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if (block.type === "ExportDefaultDeclaration" && isClientComponent) {
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var _block_declaration;
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// export default async function MyComponent() {...}
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if (((_block_declaration = block.declaration) === null || _block_declaration === void 0 ? void 0 : _block_declaration.type) === "FunctionDeclaration" && block.declaration.async && isCapitalized(block.declaration.id.name)) {
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context.report({
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node: block,
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message: message
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});
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}
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// async function MyComponent() {...}; export default MyComponent;
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if (block.declaration.type === "Identifier" && isCapitalized(block.declaration.name)) {
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var targetName = block.declaration.name;
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var functionDeclaration = node.body.find(function(localBlock) {
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if (localBlock.type === "FunctionDeclaration" && localBlock.id.name === targetName) return true;
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if (localBlock.type === "VariableDeclaration" && localBlock.declarations.find(function(declaration) {
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var _declaration_id;
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return ((_declaration_id = declaration.id) === null || _declaration_id === void 0 ? void 0 : _declaration_id.type) === "Identifier" && declaration.id.name === targetName;
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})) return true;
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return false;
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});
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if ((functionDeclaration === null || functionDeclaration === void 0 ? void 0 : functionDeclaration.type) === "FunctionDeclaration" && functionDeclaration.async) {
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context.report({
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node: functionDeclaration,
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message: message
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});
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}
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if ((functionDeclaration === null || functionDeclaration === void 0 ? void 0 : functionDeclaration.type) === "VariableDeclaration") {
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var _varDeclarator_init;
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var varDeclarator = functionDeclaration.declarations.find(function(declaration) {
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var _declaration_id;
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return ((_declaration_id = declaration.id) === null || _declaration_id === void 0 ? void 0 : _declaration_id.type) === "Identifier" && declaration.id.name === targetName;
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});
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if ((varDeclarator === null || varDeclarator === void 0 ? void 0 : (_varDeclarator_init = varDeclarator.init) === null || _varDeclarator_init === void 0 ? void 0 : _varDeclarator_init.type) === "ArrowFunctionExpression" && varDeclarator.init.async) {
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context.report({
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node: functionDeclaration,
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message: message
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});
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}
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}
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}
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}
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};
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for(var _iterator = node.body[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true)_loop();
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} catch (err) {
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_didIteratorError = true;
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_iteratorError = err;
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} finally{
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try {
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if (!_iteratorNormalCompletion && _iterator.return != null) {
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_iterator.return();
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}
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} finally{
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if (_didIteratorError) {
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throw _iteratorError;
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}
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}
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}
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}
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};
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}
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});
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