@masknet/eslint-plugin/lib/rules/no-then.js

eslint plugin for masknet

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.',
        },
    },
    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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