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- "use strict";
- Object.defineProperty(exports, "__esModule", {
- value: true
- });
- exports.default = void 0;
- var _utils = require("@typescript-eslint/utils");
- var _utils2 = require("./utils");
- const withOnce = (name, addOnce) => {
- return `${name}${addOnce ? 'Once' : ''}`;
- };
- const findSingleReturnArgumentNode = fnNode => {
- var _fnNode$body$body$;
- if (fnNode.body.type !== _utils.AST_NODE_TYPES.BlockStatement) {
- return fnNode.body;
- }
- if (((_fnNode$body$body$ = fnNode.body.body[0]) === null || _fnNode$body$body$ === void 0 ? void 0 : _fnNode$body$body$.type) === _utils.AST_NODE_TYPES.ReturnStatement) {
- return fnNode.body.body[0].argument;
- }
- return null;
- };
- var _default = (0, _utils2.createRule)({
- name: __filename,
- meta: {
- docs: {
- category: 'Best Practices',
- description: 'Prefer mock resolved/rejected shorthands for promises',
- recommended: false
- },
- messages: {
- useMockShorthand: 'Prefer {{ replacement }}'
- },
- schema: [],
- type: 'suggestion',
- fixable: 'code'
- },
- defaultOptions: [],
- create(context) {
- const report = (property, isOnce, outerArgNode, innerArgNode = outerArgNode) => {
- if ((innerArgNode === null || innerArgNode === void 0 ? void 0 : innerArgNode.type) !== _utils.AST_NODE_TYPES.CallExpression) {
- return;
- }
- const argName = (0, _utils2.getNodeName)(innerArgNode);
- if (argName !== 'Promise.resolve' && argName !== 'Promise.reject') {
- return;
- }
- const replacement = withOnce(argName.endsWith('reject') ? 'mockRejectedValue' : 'mockResolvedValue', isOnce);
- context.report({
- node: property,
- messageId: 'useMockShorthand',
- data: {
- replacement
- },
- fix(fixer) {
- const sourceCode = context.getSourceCode(); // there shouldn't be more than one argument, but if there is don't try
- // fixing since we have no idea what to do with the extra arguments
- if (innerArgNode.arguments.length > 1) {
- return null;
- }
- return [fixer.replaceText(property, replacement), fixer.replaceText(outerArgNode, // the value argument for both Promise methods is optional,
- // whereas for Jest they're required so use an explicit undefined
- // if no argument is being passed to the call we're replacing
- innerArgNode.arguments.length === 1 ? sourceCode.getText(innerArgNode.arguments[0]) : 'undefined')];
- }
- });
- };
- return {
- CallExpression(node) {
- if (node.callee.type !== _utils.AST_NODE_TYPES.MemberExpression || !(0, _utils2.isSupportedAccessor)(node.callee.property) || node.arguments.length === 0) {
- return;
- }
- const mockFnName = (0, _utils2.getAccessorValue)(node.callee.property);
- const isOnce = mockFnName.endsWith('Once');
- if (mockFnName === withOnce('mockReturnValue', isOnce)) {
- report(node.callee.property, isOnce, node.arguments[0]);
- } else if (mockFnName === withOnce('mockImplementation', isOnce)) {
- const [arg] = node.arguments;
- if (!(0, _utils2.isFunction)(arg) || arg.params.length !== 0) {
- return;
- }
- report(node.callee.property, isOnce, arg, findSingleReturnArgumentNode(arg));
- }
- }
- };
- }
- });
- exports.default = _default;
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