"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); exports.default = void 0; var _experimentalUtils = require("@typescript-eslint/experimental-utils"); var _utils = require("./utils"); const isBooleanLiteral = node => node.type === _experimentalUtils.AST_NODE_TYPES.Literal && typeof node.value === 'boolean'; /** * Checks if the given `ParsedExpectMatcher` is a call to one of the equality matchers, * with a boolean literal as the sole argument. * * @example javascript * toBe(true); * toEqual(false); * * @param {ParsedExpectMatcher} matcher * * @return {matcher is ParsedBooleanEqualityMatcher} */ const isBooleanEqualityMatcher = matcher => (0, _utils.isParsedEqualityMatcherCall)(matcher) && isBooleanLiteral((0, _utils.followTypeAssertionChain)(matcher.arguments[0])); var _default = (0, _utils.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) { if (!(0, _utils.isExpectCall)(node)) { return; } const { expect: { arguments: [comparison], range: [, expectCallEnd] }, matcher, modifier } = (0, _utils.parseExpectCall)(node); if (!matcher || (comparison === null || comparison === void 0 ? void 0 : comparison.type) !== _experimentalUtils.AST_NODE_TYPES.BinaryExpression || comparison.operator !== '===' && comparison.operator !== '!==' || !isBooleanEqualityMatcher(matcher)) { return; } const matcherValue = (0, _utils.followTypeAssertionChain)(matcher.arguments[0]).value; // we need to negate the expectation if the current expected // value is itself negated by the "not" modifier const addNotModifier = (comparison.operator === '!==' ? !matcherValue : matcherValue) === !!modifier; const buildFixer = equalityMatcher => fixer => { const sourceCode = context.getSourceCode(); 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.node.range[1]], addNotModifier ? `.${_utils.ModifierName.not}.${equalityMatcher}` : `.${equalityMatcher}`), // replace the matcher argument with the right-hand side of the comparison fixer.replaceText(matcher.arguments[0], sourceCode.getText(comparison.right))]; }; context.report({ messageId: 'useEqualityMatcher', suggest: ['toBe', 'toEqual', 'toStrictEqual'].map(equalityMatcher => ({ messageId: 'suggestEqualityMatcher', data: { equalityMatcher }, fix: buildFixer(equalityMatcher) })), node: (modifier || matcher).node.property }); } }; } }); exports.default = _default;