71 lines
2.5 KiB
Plaintext
71 lines
2.5 KiB
Plaintext
"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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function isEmptyExport(node) {
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return (node.type === utils_1.AST_NODE_TYPES.ExportNamedDeclaration &&
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node.specifiers.length === 0 &&
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!node.declaration);
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}
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const exportOrImportNodeTypes = new Set([
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utils_1.AST_NODE_TYPES.ExportAllDeclaration,
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utils_1.AST_NODE_TYPES.ExportDefaultDeclaration,
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utils_1.AST_NODE_TYPES.ExportNamedDeclaration,
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utils_1.AST_NODE_TYPES.ExportSpecifier,
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utils_1.AST_NODE_TYPES.ImportDeclaration,
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utils_1.AST_NODE_TYPES.TSExportAssignment,
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utils_1.AST_NODE_TYPES.TSImportEqualsDeclaration,
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]);
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exports.default = (0, util_1.createRule)({
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name: 'no-useless-empty-export',
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meta: {
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docs: {
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description: "Disallow empty exports that don't change anything in a module file",
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},
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fixable: 'code',
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hasSuggestions: false,
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messages: {
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uselessExport: 'Empty export does nothing and can be removed.',
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},
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schema: [],
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type: 'suggestion',
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},
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defaultOptions: [],
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create(context) {
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// In a definition file, export {} is necessary to make the module properly
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// encapsulated, even when there are other exports
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// https://github.com/typescript-eslint/typescript-eslint/issues/4975
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if ((0, util_1.isDefinitionFile)(context.filename)) {
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return {};
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}
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function checkNode(node) {
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if (!Array.isArray(node.body)) {
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return;
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}
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const emptyExports = [];
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let foundOtherExport = false;
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for (const statement of node.body) {
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if (isEmptyExport(statement)) {
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emptyExports.push(statement);
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}
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else if (exportOrImportNodeTypes.has(statement.type)) {
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foundOtherExport = true;
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}
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}
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if (foundOtherExport) {
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for (const emptyExport of emptyExports) {
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context.report({
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fix: fixer => fixer.remove(emptyExport),
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messageId: 'uselessExport',
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node: emptyExport,
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});
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}
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}
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}
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return {
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Program: checkNode,
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TSModuleDeclaration: checkNode,
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};
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},
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});
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//# sourceMappingURL=no-useless-empty-export.js.map |