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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const utils_1 = require("../utils");
const ast_utils_1 = require("../utils/ast-utils");
const EVENTS_TYPE_NAME = '$$Events';
exports.default = (0, utils_1.createRule)('experimental-require-strict-events', {
meta: {
docs: {
description: 'require the strictEvents attribute on `<script>` tags',
category: 'Experimental',
recommended: false
},
schema: [],
messages: {
missingStrictEvents: `The component must have the strictEvents attribute on its <script> tag or it must define the $$Events interface.`
},
type: 'suggestion'
},
create(context) {
let isTs = false;
let hasAttribute = false;
let hasDeclaredEvents = false;
let scriptNode;
return {
SvelteScriptElement(node) {
const lang = (0, ast_utils_1.getLangValue)(node)?.toLowerCase();
isTs = lang === 'ts' || lang === 'typescript';
hasAttribute = (0, ast_utils_1.findAttribute)(node, 'strictEvents') !== null;
scriptNode = node;
},
TSInterfaceDeclaration(node) {
if (node.id.name === EVENTS_TYPE_NAME) {
hasDeclaredEvents = true;
}
},
TSTypeAliasDeclaration(node) {
if (node.id.name === EVENTS_TYPE_NAME) {
hasDeclaredEvents = true;
}
},
'Program:exit'() {
if (isTs && !hasAttribute && !hasDeclaredEvents) {
context.report({
node: scriptNode,
messageId: 'missingStrictEvents'
});
}
}
};
}
});
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