assign-ex


Like Object.assign,but assign deeply if needed.

Installation

1. npm i assign-ex -S
2. yarn add assign-ex

Usage

$3

You can check the current tests to see how to use it.

``js
"use strict";
const { assert } = require("chai");
const { deepAssign, copySame, assignSame } = require("../dist/index");

describe("deepAssign", () => {
it("assign simple", () => {
const objA = { a: "a" };
const objB = { b: "b" };
deepAssign(objA, objB);
assert.deepEqual(objA, { a: "a", b: "b" });
});

it("assign override", () => {
const objA = { a: "a" };
const objB = { a: "newA", b: "b" };
deepAssign(objA, objB);
assert.deepEqual(objA, { a: "newA", b: "b" });
});

it("deep assign override", () => {
const objA = {
a: "a",
b: "b",
c: { name: "coco" },
d: { willLost: "anyvalue" }
};
const objB = { a: "newA", b: { name: "banxi", age: 18 }, d: "replace" };
deepAssign(objA, objB);
assert.deepEqual(objA, {
a: "newA",
b: { name: "banxi", age: 18 },
c: { name: "coco" },
d: "replace"
});
});
it("deep assign merge", () => {
const objA = { a: "a", b: { gender: "male" }, c: { name: "coco" } };
const objB = { a: "newA", b: { name: "banxi", age: 18 } };
deepAssign(objA, objB);
assert.deepEqual(objA, {
a: "newA",
b: { name: "banxi", age: 18, gender: "male" },
c: { name: "coco" }
});
});
});

describe("copySame", () => {
it("copy simple", () => {
const objA = {
a: "a",
b: "b"
};
const objB = {
a: "A",
c: "C"
};
copySame(objA, objB);
assert.deepEqual(objA, {
a: "A",
b: "b"
});
});

it("copy same deep", () => {
const objA = { a: "a", b: "b" };
const objB = { a: "A", b: { age: 18 }, c: "text" };
copySame(objA, objB);
assert.deepEqual(objA, { a: "A", b: { age: 18 } });
objB.b.age = 19;
assert.deepEqual(objA, { a: "A", b: { age: 18 } });
});
});

describe("assignSame", () => {
it("assign same", () => {
const objA = { a: "a", b: "b" };
const objB = { a: "A", b: { age: 18 }, c: "text" };
assignSame(objA, objB);
assert.deepEqual(objA, { a: "A", b: { age: 18 } });
objB.b.age = 19;
assert.deepEqual(objA, { a: "A", b: { age: 19 } });
});
});
`

$3

`ts
import { deepCopy, deepAssign, copySame, assignSame } from "assign-ex";
`

$3

api list

Test

npm run test`