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// @ts-nocheck
import { equal, deepEqual, doesNotThrow, throws } from 'assert';
import html from '../lib/html';
import Internals from '../lib/util/internals';
import parse from '../lib/util/parse';
import createTree from '../lib/tree/create';
import { NodeCache } from '../lib/util/types';
import validateMemory from './util/validate-memory';
describe('HTML (Tagged template)', () => {
beforeEach(() => {
Internals.parse = parse;
});
afterEach(() => validateMemory());
it('will return an empty text node when passed a falsy value', () => {
/** @type {any} */
const invalidHtml = html;
const empty = createTree('#text', '');
deepEqual(invalidHtml``, empty);
deepEqual(invalidHtml(), empty);
deepEqual(invalidHtml(null), empty);
deepEqual(invalidHtml(undefined), empty);
deepEqual(invalidHtml(0), empty);
deepEqual(invalidHtml(NaN), empty);
deepEqual(invalidHtml(false), empty);
});
it('will support running as a standalone function', () => {
const vTree = html('<div/>');
equal(vTree.nodeName, 'div');
});
it('will interpolate a single string value in an attribute', () => {
const foo = 'foo';
const span = html`<span class="${foo}" />`;
equal(span.attributes.class, 'foo');
});
it('will interpolate multiple string values in an attribute', () => {
const foo = 'foo';
const bar = 'bar';
const multipleValues = html`<span class="${foo} ${bar}" />`;
equal(multipleValues.attributes.class, 'foo bar');
});
it('will support invalid characters in attributes', () => {
const div = html`
<div
@ns@key="value"
$ns$key="value"
#ns#key="value"
/>
`;
equal(div.attributes['@ns@key'], 'value');
equal(div.attributes['$ns$key'], 'value');
equal(div.attributes['#ns#key'], 'value');
});
it('will support namespace attributes', () => {
const div = html`<div ns:key="value" />`;
equal(div.attributes['ns:key'], 'value');
});
it('will support dot attributes', () => {
const div = html`<div ns.key="value" />`;
equal(div.attributes['ns.key'], 'value');
});
it('will interpolate static value-less attributes', () => {
const input = html`<input type="checkbox" checked>`;
equal(input.attributes.checked, true);
});
it('will interpolate dynamic value-less attributes', () => {
const checked = 'checked';
const input = html`<input type="checkbox" ${checked}>`;
equal(input.attributes.checked, true);
});
it('will interpolate multiple value-less attributes', () => {
const checked = 'checked';
const disabled = 'disabled'
const input = html`<input type="checkbox" ${checked} ${disabled}>`;
equal(input.attributes.checked, true);
equal(input.attributes.disabled, true);
});
it('will interpolate multiple type values in an attribute', () => {
const foo = 'foo';
const bar = {};
const multipleValues = html`<span class="${foo} ${bar}" />`;
equal(multipleValues.attributes.class, 'foo [object Object]');
});
it('will interpolate multiple type values in an attribute with toString', () => {
const foo = 'foo';
const bar = { toString() { return 'replacement'; } };
const multipleValues = html`<span class="${foo} ${bar}" />`;
equal(multipleValues.attributes.class, 'foo replacement');
});
it('will interpolate attribute values with text', () => {
const icon = 'some-icon';
const vTree = html`<i class="${icon} icon" />`
deepEqual(vTree, {
rawNodeName: 'i',
nodeName: 'i',
nodeValue: '',
nodeType: 1,
key: '',
childNodes: [],
attributes: {
class: 'some-icon icon'
},
});
});
it('will flatten nested fragments', () => {
const array = [1];
const vTree = html`<div>
${array.map(i => html`<p>Some label</p>
<span>${i}</span>`)}
</div>`;
deepEqual(vTree, {
rawNodeName: 'div',
nodeName: "div",
nodeValue: "",
nodeType: 1,
key: "",
childNodes: [{
rawNodeName: "#text",
nodeName: "#text",
nodeValue: "\n ",
nodeType: 3,
key: "",
childNodes: [],
attributes: {},
}, {
rawNodeName: "p",
nodeName: "p",
nodeValue: "",
nodeType: 1,
key: "",
childNodes: [{
rawNodeName: "#text",
nodeName: "#text",
nodeValue: "Some label",
nodeType: 3,
key: "",
childNodes: [],
attributes: {},
}],
attributes: {},
}, {
rawNodeName: "#text",
nodeName: "#text",
nodeValue: "\n ",
nodeType: 3,
key: "",
childNodes: [],
attributes: {},
}, {
rawNodeName: "span",
nodeName: "span",
nodeValue: "",
nodeType: 1,
key: "",
childNodes: [{
rawNodeName: "#text",
nodeName: "#text",
nodeValue: "1",
nodeType: 3,
key: "",
childNodes: [],
attributes: {},
}],
attributes: {},
}, {
rawNodeName: "#text",
nodeName: "#text",
nodeValue: "\n ",
nodeType: 3,
key: "",
childNodes: [],
attributes: {},
}],
attributes: {},
});
});
it('will return a fragment with multiple top level elements w/o values', () => {
const vTree = html`<span class="has-class" /><span />`;
deepEqual(vTree, {
rawNodeName: '#document-fragment',
nodeName: '#document-fragment',
nodeValue: '',
nodeType: 11,
key: '',
childNodes: [{
rawNodeName: 'span',
nodeName: 'span',
nodeValue: '',
nodeType: 1,
key: '',
childNodes: [],
attributes: {
class: 'has-class',
},
}, {
rawNodeName: 'span',
nodeName: 'span',
nodeValue: '',
nodeType: 1,
key: '',
childNodes: [],
attributes: {},
}],
attributes: {},
});
});
it('will return a fragment with multiple top level elements w/ values', () => {
const className = 'has-class';
const vTree = html`<span class="${className}" /><span />`;
deepEqual(vTree, {
rawNodeName: '#document-fragment',
nodeName: '#document-fragment',
nodeValue: '',
nodeType: 11,
key: '',
childNodes: [{
rawNodeName: 'span',
nodeName: 'span',
nodeValue: '',
nodeType: 1,
key: '',
childNodes: [],
attributes: {
class: 'has-class',
},
}, {
rawNodeName: 'span',
nodeName: 'span',
nodeValue: '',
nodeType: 1,
key: '',
childNodes: [],
attributes: {},
}],
attributes: {},
});
});
it('will support aligning attributes on new lines', () => {
const multipleValues = html`
<span class="
${'foo'}
${'bar'}
" />
`;
equal(multipleValues.childNodes[1].attributes.class.trim(), 'foo\n bar');
});
it('will support empty string attributes', () => {
const span = html`<span href="" />`;
deepEqual(span, {
rawNodeName: 'span',
nodeName: 'span',
nodeType: 1,
nodeValue: '',
key: '',
attributes: { href: '' },
childNodes: [],
});
});
it('will interpolate a string child', () => {
const span = html`<span>${'foo'}</span>`;
deepEqual(span.childNodes[0], {
rawNodeName: '#text',
nodeName: '#text',
nodeType: 3,
nodeValue: 'foo',
key: '',
attributes: {},
childNodes: [],
});
});
it('will interpolate a string child with html entities', () => {
const span = html`<span>${'∞'}</span>`;
deepEqual(span.childNodes[0], {
rawNodeName: '#text',
nodeName: '#text',
nodeType: 3,
nodeValue: '∞',
key: '',
attributes: {},
childNodes: [],
});
});
it('will interpolate a VTree child', () => {
const span = html`<span>${createTree('#text', 'foo')}</span>`;
deepEqual(span.childNodes[0], {
rawNodeName: '#text',
nodeName: '#text',
nodeType: 3,
nodeValue: 'foo',
key: '',
attributes: {},
childNodes: [],
});
});
it('will associate a passed in DOM Node to the created VTree', () => {
const domNode = document.createElement('div');
const vTree = html`${domNode}`;
equal(NodeCache.get(vTree), domNode);
});
it('will interpolate a Text Node', () => {
const textNode = document.createTextNode('foo');
const span = html`<span>${textNode}</span>`;
const vTree = createTree(textNode);
deepEqual(span.childNodes[0], vTree);
equal(NodeCache.get(vTree), textNode);
});
it('will interpolate a DOM Node', () => {
const domNode = document.createElement('div');
const span = html`<span>${domNode}</span>`;
const vTree = createTree(domNode);
deepEqual(span.childNodes[0], {
rawNodeName: 'DIV',
nodeName: 'div',
nodeType: 1,
nodeValue: '',
key: '',
attributes: {},
childNodes: [],
});
equal(NodeCache.get(vTree), domNode);
});
it('will interpolate an array of children', () => {
const fixture = [createTree('#text', 'foo'), createTree('#text', 'bar')];
const span = html`<span>${fixture}</span>`;
deepEqual(span, {
rawNodeName: 'span',
nodeName: 'span',
nodeType: 1,
nodeValue: '',
key: '',
attributes: {},
childNodes: [{
rawNodeName: '#text',
nodeName: '#text',
nodeType: 3,
nodeValue: 'foo',
key: '',
attributes: {},
childNodes: [],
}, {
rawNodeName: '#text',
nodeName: '#text',
nodeType: 3,
nodeValue: 'bar',
key: '',
attributes: {},
childNodes: [],
}],
});
});
it('will not mess up interpolation if HTML comments are used', () => {
const fixtures = ['test', 'this'];
const span = html`<!--<span>${fixtures[0]}</span>--><span>${fixtures[1]}</span>`;
deepEqual(span, {
rawNodeName: '#document-fragment',
nodeName: '#document-fragment',
attributes: {},
nodeValue: '',
nodeType: 11,
key: '',
childNodes: [{
rawNodeName: '#comment',
nodeName: '#comment',
nodeValue: '<span>test</span>',
nodeType: 8,
key: '',
childNodes: [],
attributes: {},
}, {
rawNodeName: 'span',
nodeName: 'span',
nodeType: 1,
nodeValue: '',
key: '',
attributes: {},
childNodes: [{
rawNodeName: '#text',
nodeName: '#text',
nodeType: 3,
nodeValue: 'this',
key: '',
attributes: {},
childNodes: [],
}],
}]
});
});
it('will support a custom tag name', () => {
const Ctor = function() {};
const vTree = html`<${Ctor} attr="value" />`;
deepEqual(vTree, {
rawNodeName: Ctor,
nodeName: '#document-fragment',
nodeType: 11,
nodeValue: '',
key: '',
attributes: { attr: 'value' },
childNodes: [],
});
});
it('will support boolean attributes on a ctor', () => {
const Ctor = function() {};
const vTree = html`<${Ctor} attr />`;
deepEqual(vTree, {
rawNodeName: Ctor,
nodeName: '#document-fragment',
nodeType: 11,
nodeValue: '',
key: '',
attributes: { attr: true },
childNodes: [],
});
});
it('will support interpolating object attributes on a ctor', () => {
const Ctor = function() {};
const rest = { id: 'test' };
const vTree = html`<${Ctor} ${rest} />`;
deepEqual(vTree, {
rawNodeName: Ctor,
nodeName: '#document-fragment',
nodeType: 11,
nodeValue: '',
key: '',
attributes: { id: 'test' },
childNodes: [],
});
});
it('supports mixing custom elements and custom components', () => {
const React = () => {};
const vTree = html`<${React} />
<web-component />`;
deepEqual(vTree, {
rawNodeName: '#document-fragment',
nodeName: '#document-fragment',
nodeValue: '',
nodeType: 11,
key: '',
childNodes: [{
rawNodeName: React,
nodeName: '#document-fragment',
nodeValue: '',
nodeType: 11,
key: '',
childNodes: [],
attributes: {},
}, {
"attributes": {},
"childNodes": [],
"key": "",
"nodeName": "#text",
"nodeType": 3,
"nodeValue": "\n ",
"rawNodeName": "#text"
}, {
rawNodeName: 'web-component',
nodeName: 'web-component',
nodeValue: '',
nodeType: 1,
key: '',
childNodes: [],
attributes: {},
}],
attributes: {},
});
});
it('will allow the use of childNodes as a prop when there are no existing children', () => {
const vTree = html`<a childNodes=${html`<span>test</span>`} />`;
equal(vTree.childNodes.length, 1);
equal(vTree.childNodes[0].nodeName, 'span');
});
it('will allow the use of childNodes as a prop to pave over existing children', () => {
const vTree = html`<a childNodes=${html`<span>inner</span>`}>outer</a>`;
equal(vTree.childNodes.length, 1);
equal(vTree.childNodes[0].nodeName, 'span');
equal(vTree.childNodes[0].childNodes.length, 1);
equal(vTree.childNodes[0].childNodes[0].nodeName, '#text');
equal(vTree.childNodes[0].childNodes[0].nodeValue, 'inner');
});
});