typescript-object-helper/lib/rxjs-operators.js

A simple dependency to aid in mapping and instantiating typescript classes

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.addIncrementer = exports.logger = exports.deepCopy = exports.instantiateFromArrayOperator = exports.instantiateFromJsonOperator = void 0;
const lodash_1 = __importDefault(require("lodash"));
const operators_1 = require("rxjs/operators");
const object_helper_functions_1 = require("./object-helper-functions");
function instantiateFromJsonOperator(// the generic parameter helps us conserve the type of the observable
classCast // add an optional parameter to prefix the logging
) {
    return (source$) => source$.pipe((0, operators_1.map)((res => (0, object_helper_functions_1.copyObject)(res, classCast))));
}
exports.instantiateFromJsonOperator = instantiateFromJsonOperator;
function instantiateFromArrayOperator(// the generic parameter helps us conserve the type of the observable
classCast // add an optional parameter to prefix the logging
) {
    return (source$) => source$.pipe((0, operators_1.map)(res => (0, object_helper_functions_1.copyArray)(res, classCast)));
}
exports.instantiateFromArrayOperator = instantiateFromArrayOperator;
function deepCopy() {
    return (source$) => source$.pipe((0, operators_1.map)(val => {
        if (typeof val === 'object') {
            return (0, lodash_1.default)(val);
        }
        return val;
    }));
}
exports.deepCopy = deepCopy;
function logger(label, ...args) {
    console.log.bind(console);
    const callStack = new Error('(Not really, just a stack trace...)').stack;
    const formattedLabel = label ? ` - (${label}): ` : ':';
    const completeLabel = `LOGGER${formattedLabel}`;
    const formattedArgs = [];
    args.forEach((arg) => {
        formattedArgs.push(arg);
        formattedArgs.push(',');
    });
    return (source$) => source$.pipe((0, operators_1.tap)((val) => {
        console.log(completeLabel, ...formattedArgs, val);
        console.log(callStack);
    }));
}
exports.logger = logger;
function addIncrementer() {
    let counter = 0;
    return function foo(source) {
        return source.pipe((0, operators_1.map)((value) => {
            counter++;
            return [counter, value];
        }));
    };
}
exports.addIncrementer = addIncrementer;
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