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56 行
1.5 KiB
56 行
1.5 KiB
'use strict';
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const createAstUtils = require('../util/ast');
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module.exports = {
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meta: {
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docs: {
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description: 'Disallow exports from test files'
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},
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messages: {
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unexpectedExport: 'Unexpected export from a test file'
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},
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type: 'suggestion'
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},
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create(context) {
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const astUtils = createAstUtils(context.settings);
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const exportNodes = [];
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let hasTestCase = false;
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function isCommonJsExport(node) {
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if (node.type === 'MemberExpression') {
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const name = astUtils.getNodeName(node);
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return name === 'module.exports' || name.startsWith('exports.');
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}
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return false;
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}
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return {
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'Program:exit'() {
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if (hasTestCase && exportNodes.length > 0) {
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for (const node of exportNodes) {
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context.report({ node, messageId: 'unexpectedExport' });
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}
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}
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},
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CallExpression(node) {
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if (astUtils.isMochaFunctionCall(node, context.getScope())) {
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hasTestCase = true;
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}
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},
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'ExportNamedDeclaration, ExportDefaultDeclaration, ExportAllDeclaration'(node) {
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exportNodes.push(node);
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},
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AssignmentExpression(node) {
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if (isCommonJsExport(node.left)) {
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exportNodes.push(node);
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}
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}
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};
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}
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};
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