@masknet/eslint-plugin
Version:
eslint plugin for masknet
31 lines • 1.03 kB
JavaScript
import { isFunctionLike, isIdentifierName, isLiteralValue, isMemberExpression } from "../node.js";
import { createRule } from "../rule.js";
export default createRule({
name: 'no-then',
meta: {
type: 'suggestion',
docs: {
description: 'Disallow `Promise#then(...)`',
recommended: 'stylistic',
},
schema: [],
messages: {
invalid: 'Found `then` usage. You should usually use async / await instead.',
},
},
defaultOptions: [],
create(context) {
return {
CallExpression(node) {
const invalid = isMemberExpression(node.callee) && isThen(node.callee.property) && node.arguments.some(isFunctionLike);
if (!invalid)
return;
context.report({ node, messageId: 'invalid' });
},
};
},
});
function isThen(node) {
return isIdentifierName(node, 'then') || isLiteralValue(node, 'then');
}
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