@graphql-tools/mock/cjs/MockList.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.deepResolveMockList = exports.MockList = exports.isMockList = void 0;
/**
 * @internal
 */
function isMockList(obj) {
    if (typeof (obj === null || obj === void 0 ? void 0 : obj.len) === 'number' || (Array.isArray(obj === null || obj === void 0 ? void 0 : obj.len) && typeof (obj === null || obj === void 0 ? void 0 : obj.len[0]) === 'number')) {
        if (typeof obj.wrappedFunction === 'undefined' || typeof obj.wrappedFunction === 'function') {
            return true;
        }
    }
    return false;
}
exports.isMockList = isMockList;
/**
 * This is an object you can return from your mock resolvers which calls the
 * provided `mockFunction` once for each list item.
 */
class MockList {
    /**
     * @param length Either the exact length of items to return or an inclusive
     * range of possible lengths.
     * @param mockFunction The function to call for each item in the list to
     * resolve it. It can return another MockList or a value.
     */
    constructor(length, mockFunction) {
        this.len = length;
        if (typeof mockFunction !== 'undefined') {
            if (typeof mockFunction !== 'function') {
                throw new Error('Second argument to MockList must be a function or undefined');
            }
            this.wrappedFunction = mockFunction;
        }
    }
    /**
     * @internal
     */
    mock() {
        let arr;
        if (Array.isArray(this.len)) {
            arr = new Array(this.randint(this.len[0], this.len[1]));
        }
        else {
            arr = new Array(this.len);
        }
        for (let i = 0; i < arr.length; i++) {
            if (typeof this.wrappedFunction === 'function') {
                const res = this.wrappedFunction();
                if (isMockList(res)) {
                    arr[i] = res.mock();
                }
                else {
                    arr[i] = res;
                }
            }
            else {
                arr[i] = undefined;
            }
        }
        return arr;
    }
    randint(low, high) {
        return Math.floor(Math.random() * (high - low + 1) + low);
    }
}
exports.MockList = MockList;
function deepResolveMockList(mockList) {
    return mockList.mock().map(v => {
        if (isMockList(v))
            return deepResolveMockList(v);
        return v;
    });
}
exports.deepResolveMockList = deepResolveMockList;