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91 lines
2.8 KiB
TypeScript
91 lines
2.8 KiB
TypeScript
import { assert } from "@esm-bundle/chai";
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import { init, RemoveHook, attachTo, h } from "../../src/index";
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const patch = init([]);
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describe("attachTo", function () {
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let elm: any, vnode0: any;
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beforeEach(function () {
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elm = document.createElement("div");
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vnode0 = elm;
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});
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it("adds element to target", function () {
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const vnode1 = h("div", [
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h("div#wrapper", [
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h("div", "Some element"),
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attachTo(elm, h("div#attached", "Test"))
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])
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]);
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elm = patch(vnode0, vnode1).elm;
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assert.strictEqual(elm.children.length, 2);
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});
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it("updates element at target", function () {
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const vnode1 = h("div", [
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h("div#wrapper", [
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h("div", "Some element"),
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attachTo(elm, h("div#attached", "First text"))
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])
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]);
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const vnode2 = h("div", [
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h("div#wrapper", [
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h("div", "Some element"),
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attachTo(elm, h("div#attached", "New text"))
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])
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]);
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elm = patch(vnode0, vnode1).elm;
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assert.strictEqual(elm.children[0].innerHTML, "First text");
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elm = patch(vnode1, vnode2).elm;
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assert.strictEqual(elm.children[0].innerHTML, "New text");
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});
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it("element can be inserted before modal", function () {
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const vnode1 = h("div", [
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h("div#wrapper", [
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h("div", "Some element"),
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attachTo(elm, h("div#attached", "Text"))
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])
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]);
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const vnode2 = h("div", [
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h("div#wrapper", [
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h("div", "Some element"),
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h("div", "A new element"),
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attachTo(elm, h("div#attached", "Text"))
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])
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]);
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elm = patch(vnode0, vnode1).elm;
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assert.strictEqual(elm.children[0].innerHTML, "Text");
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elm = patch(vnode1, vnode2).elm;
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assert.strictEqual(elm.children[0].innerHTML, "Text");
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});
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it("removes element at target", function () {
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const vnode1 = h("div", [
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h("div#wrapper", [
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h("div", "Some element"),
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attachTo(elm, h("div#attached", "First text"))
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])
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]);
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const vnode2 = h("div", [h("div#wrapper", [h("div", "Some element")])]);
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elm = patch(vnode0, vnode1).elm;
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assert.strictEqual(elm.children[0].innerHTML, "First text");
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elm = patch(vnode1, vnode2).elm;
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assert.strictEqual(elm.children.length, 1);
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});
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it("remove hook receives real element", function () {
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const rm: RemoveHook = (vnode, cb) => {
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const elm = vnode.elm as HTMLDivElement;
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assert.strictEqual(elm.tagName, "DIV");
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assert.strictEqual(elm.innerHTML, "First text");
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cb();
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};
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const vnode1 = h("div", [
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h("div#wrapper", [
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h("div", "Some element"),
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attachTo(elm, h("div#attached", { hook: { remove: rm } }, "First text"))
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])
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]);
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const vnode2 = h("div", [h("div#wrapper", [h("div", "Some element")])]);
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elm = patch(vnode0, vnode1).elm;
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elm = patch(vnode1, vnode2).elm;
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});
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});
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