113 lines
3.7 KiB
JavaScript
113 lines
3.7 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/') && !filename.includes('/contracts/');
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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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// Use context.getSourceCode().getText(ext) to be absolutely sure
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const extendsText = context.getSourceCode().getText(ext).trim();
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// We check for 'ViewData' but must be careful not to match 'SomethingViewData'
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// unless it's exactly 'ViewData' or part of a qualified name
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if (extendsText === 'ViewData' ||
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extendsText.endsWith('.ViewData') ||
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extendsText.startsWith('ViewData<') ||
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extendsText.startsWith('ViewData ') ||
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/\bViewData\b/.test(extendsText)) { // Use regex for word boundary
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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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// Only report if we are in a file that should be a ViewData
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// and we didn't find a valid declaration
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const baseName = filename.split('/').pop();
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// All files in lib/view-data/ must end with ViewData.ts
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if (baseName && !baseName.endsWith('ViewData.ts') && !baseName.endsWith('ViewData.tsx')) {
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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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return;
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}
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if (baseName && (baseName.endsWith('ViewData.ts') || baseName.endsWith('ViewData.tsx'))) {
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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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};
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