"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); exports.default = void 0; var _utils = require("@typescript-eslint/utils"); var _utils2 = require("./utils"); var _default = (0, _utils2.createRule)({ name: __filename, meta: { docs: { category: 'Best Practices', description: 'Suggest using the built-in equality matchers', recommended: false, suggestion: true }, messages: { useEqualityMatcher: 'Prefer using one of the equality matchers instead', suggestEqualityMatcher: 'Use `{{ equalityMatcher }}`' }, hasSuggestions: true, type: 'suggestion', schema: [] }, defaultOptions: [], create(context) { return { CallExpression(node) { const jestFnCall = (0, _utils2.parseJestFnCall)(node, context); if ((jestFnCall === null || jestFnCall === void 0 ? void 0 : jestFnCall.type) !== 'expect' || jestFnCall.args.length === 0) { return; } const { parent: expect } = jestFnCall.head.node; if ((expect === null || expect === void 0 ? void 0 : expect.type) !== _utils.AST_NODE_TYPES.CallExpression) { return; } const { arguments: [comparison], range: [, expectCallEnd] } = expect; const { matcher } = jestFnCall; const matcherArg = (0, _utils2.getFirstMatcherArg)(jestFnCall); if ((comparison === null || comparison === void 0 ? void 0 : comparison.type) !== _utils.AST_NODE_TYPES.BinaryExpression || comparison.operator !== '===' && comparison.operator !== '!==' || !_utils2.EqualityMatcher.hasOwnProperty((0, _utils2.getAccessorValue)(matcher)) || !(0, _utils2.isBooleanLiteral)(matcherArg)) { return; } const matcherValue = matcherArg.value; const [modifier] = jestFnCall.modifiers; const hasNot = jestFnCall.modifiers.some(nod => (0, _utils2.getAccessorValue)(nod) === 'not'); // we need to negate the expectation if the current expected // value is itself negated by the "not" modifier const addNotModifier = (comparison.operator === '!==' ? !matcherValue : matcherValue) === hasNot; const buildFixer = equalityMatcher => fixer => { const sourceCode = context.getSourceCode(); // preserve the existing modifier if it's not a negation let modifierText = modifier && (0, _utils2.getAccessorValue)(modifier) !== 'not' ? `.${(0, _utils2.getAccessorValue)(modifier)}` : ''; if (addNotModifier) { modifierText += `.${_utils2.ModifierName.not}`; } return [// replace the comparison argument with the left-hand side of the comparison fixer.replaceText(comparison, sourceCode.getText(comparison.left)), // replace the current matcher & modifier with the preferred matcher fixer.replaceTextRange([expectCallEnd, matcher.parent.range[1]], `${modifierText}.${equalityMatcher}`), // replace the matcher argument with the right-hand side of the comparison fixer.replaceText(matcherArg, sourceCode.getText(comparison.right))]; }; context.report({ messageId: 'useEqualityMatcher', suggest: ['toBe', 'toEqual', 'toStrictEqual'].map(equalityMatcher => ({ messageId: 'suggestEqualityMatcher', data: { equalityMatcher }, fix: buildFixer(equalityMatcher) })), node: matcher }); } }; } }); exports.default = _default;