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99 lines
2.8 KiB
TypeScript
99 lines
2.8 KiB
TypeScript
import { assert } from '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', [
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h('div#wrapper', [
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h('div', 'Some element'),
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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.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', [
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h('div#wrapper', [
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h('div', 'Some element'),
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]),
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])
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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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