"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])); /** * Checks if the given `node` is a `CallExpression` representing the calling * of an `includes`-like method that can be 'fixed' (using `toContain`). * * @param {CallExpression} node * * @return {node is FixableIncludesCallExpression} * * @todo support `['includes']()` syntax (remove last property.type check to begin) * @todo break out into `isMethodCall(node: TSESTree.Node, method: Name)` util-fn */ const isFixableIncludesCallExpression = node => node.type === _experimentalUtils.AST_NODE_TYPES.CallExpression && node.callee.type === _experimentalUtils.AST_NODE_TYPES.MemberExpression && (0, _utils.isSupportedAccessor)(node.callee.property, 'includes') && node.callee.property.type === _experimentalUtils.AST_NODE_TYPES.Identifier && (0, _utils.hasOnlyOneArgument)(node); const buildToContainFuncExpectation = negated => negated ? `${_utils.ModifierName.not}.toContain` : 'toContain'; /** * Finds the first `.` character token between the `object` & `property` of the given `member` expression. * * @param {TSESTree.MemberExpression} member * @param {SourceCode} sourceCode * * @return {Token | null} */ const findPropertyDotToken = (member, sourceCode) => sourceCode.getFirstTokenBetween(member.object, member.property, token => token.value === '.'); const getNegationFixes = (node, modifier, matcher, sourceCode, fixer, fileName) => { const [containArg] = node.arguments; const negationPropertyDot = findPropertyDotToken(modifier.node, sourceCode); const toContainFunc = buildToContainFuncExpectation((0, _utils.followTypeAssertionChain)(matcher.arguments[0]).value); /* istanbul ignore if */ if (negationPropertyDot === null) { throw new Error(`Unexpected null when attempting to fix ${fileName} - please file a github issue at https://github.com/jest-community/eslint-plugin-jest`); } return [fixer.remove(negationPropertyDot), fixer.remove(modifier.node.property), fixer.replaceText(matcher.node.property, toContainFunc), fixer.replaceText(matcher.arguments[0], sourceCode.getText(containArg))]; }; const getCommonFixes = (node, sourceCode, fileName) => { const [containArg] = node.arguments; const includesCallee = node.callee; const propertyDot = findPropertyDotToken(includesCallee, sourceCode); const closingParenthesis = sourceCode.getTokenAfter(containArg); const openParenthesis = sourceCode.getTokenBefore(containArg); /* istanbul ignore if */ if (propertyDot === null || closingParenthesis === null || openParenthesis === null) { throw new Error(`Unexpected null when attempting to fix ${fileName} - please file a github issue at https://github.com/jest-community/eslint-plugin-jest`); } return [containArg, includesCallee.property, propertyDot, closingParenthesis, openParenthesis]; }; // expect(array.includes()[not.]{toBe,toEqual}() var _default = (0, _utils.createRule)({ name: __filename, meta: { docs: { category: 'Best Practices', description: 'Suggest using `toContain()`', recommended: false }, messages: { useToContain: 'Use toContain() instead' }, fixable: 'code', type: 'suggestion', schema: [] }, defaultOptions: [], create(context) { return { CallExpression(node) { if (!(0, _utils.isExpectCall)(node)) { return; } const { expect: { arguments: [includesCall] }, matcher, modifier } = (0, _utils.parseExpectCall)(node); if (!matcher || !includesCall || modifier && modifier.name !== _utils.ModifierName.not || !isBooleanEqualityMatcher(matcher) || !isFixableIncludesCallExpression(includesCall)) { return; } context.report({ fix(fixer) { const sourceCode = context.getSourceCode(); const fileName = context.getFilename(); const fixArr = getCommonFixes(includesCall, sourceCode, fileName).map(target => fixer.remove(target)); if (modifier) { return getNegationFixes(includesCall, modifier, matcher, sourceCode, fixer, fileName).concat(fixArr); } const toContainFunc = buildToContainFuncExpectation(!(0, _utils.followTypeAssertionChain)(matcher.arguments[0]).value); const [containArg] = includesCall.arguments; fixArr.push(fixer.replaceText(matcher.node.property, toContainFunc)); fixArr.push(fixer.replaceText(matcher.arguments[0], sourceCode.getText(containArg))); return fixArr; }, messageId: 'useToContain', node: (modifier || matcher).node.property }); } }; } }); exports.default = _default;