67 lines
1.7 KiB
JavaScript
67 lines
1.7 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = void 0;
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var _experimentalUtils = require("@typescript-eslint/experimental-utils");
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var _utils = require("./utils");
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const isNullLiteral = node => node.type === _experimentalUtils.AST_NODE_TYPES.Literal && node.value === null;
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/**
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* Checks if the given `ParsedExpectMatcher` is a call to one of the equality matchers,
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* with a `null` literal as the sole argument.
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*
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* @param {ParsedExpectMatcher} matcher
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*
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* @return {matcher is ParsedEqualityMatcherCall<MaybeTypeCast<NullLiteral>>}
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*/
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const isNullEqualityMatcher = matcher => (0, _utils.isParsedEqualityMatcherCall)(matcher) && isNullLiteral((0, _utils.followTypeAssertionChain)(matcher.arguments[0]));
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var _default = (0, _utils.createRule)({
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name: __filename,
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meta: {
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docs: {
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category: 'Best Practices',
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description: 'Suggest using `toBeNull()`',
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recommended: false
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},
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messages: {
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useToBeNull: 'Use toBeNull() instead'
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},
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fixable: 'code',
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type: 'suggestion',
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schema: []
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},
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defaultOptions: [],
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create(context) {
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return {
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CallExpression(node) {
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if (!(0, _utils.isExpectCall)(node)) {
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return;
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}
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const {
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matcher
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} = (0, _utils.parseExpectCall)(node);
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if (matcher && isNullEqualityMatcher(matcher)) {
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context.report({
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fix: fixer => [fixer.replaceText(matcher.node.property, 'toBeNull'), fixer.remove(matcher.arguments[0])],
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messageId: 'useToBeNull',
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node: matcher.node.property
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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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exports.default = _default; |