eslint-plugin-no-barrel-files/dist/rules/no-barrel-files.js

ESLint plugin to disallow [barrel files](https://github.com/basarat/typescript-book/blob/master/docs/tips/barrel.md).

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const utils_1 = require("@typescript-eslint/utils");
const noBarrelFiles = {
    defaultOptions: [],
    meta: {
        type: 'suggestion',
        docs: {
            url: 'https://github.com/art0rz/eslint-plugin-no-barrel-files',
            description: 'disallow barrel files',
        },
        schema: [],
        messages: {
            noReExport: 'Do not re-export imported variable (`{{name}}`)',
            noExportAll: 'Do not use export all (`export * from ...`)',
        },
    },
    create(context) {
        const declaredImports = [];
        return {
            ExportDefaultDeclaration(node) {
                if (node.declaration.type === 'Identifier' && declaredImports.includes(node.declaration.name)) {
                    context.report({
                        node,
                        messageId: 'noReExport',
                        data: {
                            name: node.declaration.name,
                        },
                    });
                }
            },
            ExportAllDeclaration(node) {
                context.report({
                    node,
                    messageId: 'noExportAll',
                });
            },
            ExportNamedDeclaration(node) {
                var _a;
                if (((_a = node === null || node === void 0 ? void 0 : node.source) === null || _a === void 0 ? void 0 : _a.type) === 'Literal') {
                    context.report({
                        node,
                        messageId: 'noReExport',
                        data: {
                            name: node.source.value,
                        },
                    });
                }
                node.specifiers.forEach(specifier => {
                    if (specifier.local.type === utils_1.AST_NODE_TYPES.Identifier &&
                        specifier.exported.type === utils_1.AST_NODE_TYPES.Identifier &&
                        declaredImports.includes(specifier.local.name)) {
                        context.report({
                            node: specifier,
                            messageId: 'noReExport',
                            data: {
                                name: specifier.exported.name,
                            },
                        });
                    }
                });
            },
            ImportDeclaration(node) {
                node.specifiers.forEach(item => {
                    declaredImports.push(item.local.name);
                });
            },
        };
    },
};
exports.default = noBarrelFiles;
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