eslint-plugin-next-route-params/dist/utils/validation/unwrapPromise.js

eslint rule to enforce correct route parameters for Next.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.unwrapPromise = unwrapPromise;
const utils_1 = require("@typescript-eslint/utils");
function unwrapPromise(potentialPromise, fn) {
    if (potentialPromise != null &&
        potentialPromise.type === utils_1.AST_NODE_TYPES.TSPropertySignature &&
        potentialPromise.typeAnnotation?.typeAnnotation.type ===
            utils_1.AST_NODE_TYPES.TSTypeReference) {
        const typeName = potentialPromise.typeAnnotation.typeAnnotation.typeName;
        if (typeName.type === utils_1.AST_NODE_TYPES.Identifier &&
            typeName.name === "Promise") {
            const firstParam = potentialPromise.typeAnnotation.typeAnnotation.typeArguments?.params[0];
            const promiseType = fn != null ? fn(firstParam) : firstParam;
            return {
                isPromise: true,
                promiseType: promiseType,
            };
        }
    }
    return { isPromise: false, promiseType: undefined };
}