72 lines
No EOL
7.7 KiB
JavaScript
72 lines
No EOL
7.7 KiB
JavaScript
'use strict';var _minimatch = require('minimatch');var _minimatch2 = _interopRequireDefault(_minimatch);
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var _path = require('path');var _path2 = _interopRequireDefault(_path);
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var _pkgUp = require('pkg-up');var _pkgUp2 = _interopRequireDefault(_pkgUp);function _interopRequireDefault(obj) {return obj && obj.__esModule ? obj : { default: obj };}
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function getEntryPoint(context) {
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const pkgPath = _pkgUp2.default.sync(context.getFilename());
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try {
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return require.resolve(_path2.default.dirname(pkgPath));
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} catch (error) {
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// Assume the package has no entrypoint (e.g. CLI packages)
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// in which case require.resolve would throw.
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return null;
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}
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}
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module.exports = {
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meta: {
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type: 'problem',
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docs: {
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description: 'Disallow import statements with module.exports',
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category: 'Best Practices',
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recommended: true },
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fixable: 'code',
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schema: [
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{
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'type': 'object',
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'properties': {
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'exceptions': { 'type': 'array' } },
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'additionalProperties': false }] },
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create(context) {
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const importDeclarations = [];
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const entryPoint = getEntryPoint(context);
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const options = context.options[0] || {};
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let alreadyReported = false;
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function report(node) {
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const fileName = context.getFilename();
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const isEntryPoint = entryPoint === fileName;
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const isIdentifier = node.object.type === 'Identifier';
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const hasKeywords = /^(module|exports)$/.test(node.object.name);
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const isException = options.exceptions &&
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options.exceptions.some(glob => (0, _minimatch2.default)(fileName, glob));
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if (isIdentifier && hasKeywords && !isEntryPoint && !isException) {
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importDeclarations.forEach(importDeclaration => {
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context.report({
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node: importDeclaration,
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message: `Cannot use import declarations in modules that export using ` +
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`CommonJS (module.exports = 'foo' or exports.bar = 'hi')` });
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});
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alreadyReported = true;
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}
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}
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return {
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ImportDeclaration(node) {
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importDeclarations.push(node);
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},
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MemberExpression(node) {
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if (!alreadyReported) {
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report(node);
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}
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} };
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} };
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