58 lines
2.3 KiB
Plaintext
58 lines
2.3 KiB
Plaintext
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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const utils_1 = require("@typescript-eslint/utils");
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const util_1 = require("../util");
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const getESLintCoreRule_1 = require("../util/getESLintCoreRule");
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const baseRule = (0, getESLintCoreRule_1.getESLintCoreRule)('no-unused-expressions');
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exports.default = (0, util_1.createRule)({
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name: 'no-unused-expressions',
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meta: {
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type: 'suggestion',
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docs: {
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description: 'Disallow unused expressions',
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extendsBaseRule: true,
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},
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hasSuggestions: baseRule.meta.hasSuggestions,
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schema: baseRule.meta.schema,
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messages: baseRule.meta.messages,
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},
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defaultOptions: [
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{
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allowShortCircuit: false,
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allowTernary: false,
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allowTaggedTemplates: false,
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},
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],
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create(context, [{ allowShortCircuit = false, allowTernary = false }]) {
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const rules = baseRule.create(context);
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function isValidExpression(node) {
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if (allowShortCircuit && node.type === utils_1.AST_NODE_TYPES.LogicalExpression) {
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return isValidExpression(node.right);
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}
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if (allowTernary && node.type === utils_1.AST_NODE_TYPES.ConditionalExpression) {
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return (isValidExpression(node.alternate) &&
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isValidExpression(node.consequent));
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}
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return ((node.type === utils_1.AST_NODE_TYPES.ChainExpression &&
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node.expression.type === utils_1.AST_NODE_TYPES.CallExpression) ||
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node.type === utils_1.AST_NODE_TYPES.ImportExpression);
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}
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return {
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ExpressionStatement(node) {
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if (node.directive || isValidExpression(node.expression)) {
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return;
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}
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if (node.expression.type ===
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utils_1.TSESTree.AST_NODE_TYPES.TSInstantiationExpression) {
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rules.ExpressionStatement({
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...node,
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expression: node.expression.expression,
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});
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return;
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}
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rules.ExpressionStatement(node);
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},
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};
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},
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});
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//# sourceMappingURL=no-unused-expressions.js.map
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