92 lines
2.7 KiB
JavaScript
92 lines
2.7 KiB
JavaScript
/**
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* ESLint rule to enforce ViewData contract implementation
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*
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* ViewData files in lib/view-data/ must:
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* 1. Be interfaces or types named *ViewData
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* 2. Extend the ViewData interface from contracts
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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: 'Enforce ViewData contract implementation',
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category: 'Contracts',
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recommended: true,
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},
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fixable: null,
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schema: [],
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messages: {
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notAnInterface: 'ViewData files must be interfaces or types named *ViewData',
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missingExtends: 'ViewData must extend the ViewData interface from lib/contracts/view-data/ViewData.ts',
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},
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},
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create(context) {
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const filename = context.getFilename();
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const isInViewData = filename.includes('/lib/view-data/');
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if (!isInViewData) return {};
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let hasViewDataExtends = false;
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let hasCorrectName = false;
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return {
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// Check interface declarations
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TSInterfaceDeclaration(node) {
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const interfaceName = node.id?.name;
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if (interfaceName && interfaceName.endsWith('ViewData')) {
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hasCorrectName = true;
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// Check if it extends ViewData
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if (node.extends && node.extends.length > 0) {
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for (const ext of node.extends) {
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if (ext.type === 'TSExpressionWithTypeArguments' &&
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ext.expression.type === 'Identifier' &&
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ext.expression.name === 'ViewData') {
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hasViewDataExtends = true;
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}
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}
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}
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}
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},
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// Check type alias declarations
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TSTypeAliasDeclaration(node) {
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const typeName = node.id?.name;
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if (typeName && typeName.endsWith('ViewData')) {
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hasCorrectName = true;
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// For type aliases, check if it's an intersection with ViewData
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if (node.typeAnnotation && node.typeAnnotation.type === 'TSIntersectionType') {
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for (const type of node.typeAnnotation.types) {
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if (type.type === 'TSTypeReference' &&
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type.typeName &&
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type.typeName.type === 'Identifier' &&
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type.typeName.name === 'ViewData') {
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hasViewDataExtends = true;
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}
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}
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}
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}
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},
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'Program:exit'() {
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if (!hasCorrectName) {
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context.report({
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node: context.getSourceCode().ast,
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messageId: 'notAnInterface',
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});
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} else if (!hasViewDataExtends) {
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context.report({
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node: context.getSourceCode().ast,
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messageId: 'missingExtends',
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});
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}
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},
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};
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},
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};
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