mirror of https://github.com/sveltejs/svelte
Rich Harris
8 years ago
committed by
GitHub
commit
7c29defef4
@ -0,0 +1,20 @@
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import { Validator } from '../../';
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import { Node } from '../../../interfaces';
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export default function props(validator: Validator, prop: Node) {
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if (prop.value.type !== 'ArrayExpression') {
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validator.error(
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`'props' must be an array expression, if specified`,
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prop.value.start
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);
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}
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prop.value.elements.forEach((element: Node) => {
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if (element.type !== 'Literal' || typeof element.value !== 'string') {
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validator.error(
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`'props' must be an array of string literals`,
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element.start
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);
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}
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});
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}
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@ -0,0 +1,19 @@
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import { Validator } from '../../';
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import { Node } from '../../../interfaces';
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export default function tag(validator: Validator, prop: Node) {
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if (prop.value.type !== 'Literal' || typeof prop.value.value !== 'string') {
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validator.error(
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`'tag' must be a string literal`,
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prop.value.start
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);
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}
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const tag = prop.value.value;
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if (!/^[a-zA-Z][a-zA-Z0-9]*-[a-zA-Z0-9-]+$/.test(tag)) {
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validator.error(
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`tag name must be two or more words joined by the '-' character`,
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prop.value.start
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);
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}
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}
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@ -0,0 +1,5 @@
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export default {
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options: {
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customElement: true
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}
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};
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@ -0,0 +1,262 @@
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function noop() {}
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function assign(target) {
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var k,
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source,
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i = 1,
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len = arguments.length;
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for (; i < len; i++) {
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source = arguments[i];
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for (k in source) target[k] = source[k];
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}
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return target;
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}
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function appendNode(node, target) {
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target.appendChild(node);
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}
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function insertNode(node, target, anchor) {
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target.insertBefore(node, anchor);
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}
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function detachNode(node) {
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node.parentNode.removeChild(node);
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}
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function createElement(name) {
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return document.createElement(name);
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}
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function createText(data) {
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return document.createTextNode(data);
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}
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function destroy(detach) {
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this.destroy = noop;
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this.fire('destroy');
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this.set = this.get = noop;
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if (detach !== false) this._fragment.unmount();
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this._fragment.destroy();
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this._fragment = this._state = null;
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}
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function differs(a, b) {
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return a !== b || ((a && typeof a === 'object') || typeof a === 'function');
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}
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function dispatchObservers(component, group, changed, newState, oldState) {
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for (var key in group) {
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if (!changed[key]) continue;
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var newValue = newState[key];
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var oldValue = oldState[key];
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var callbacks = group[key];
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if (!callbacks) continue;
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for (var i = 0; i < callbacks.length; i += 1) {
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var callback = callbacks[i];
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if (callback.__calling) continue;
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callback.__calling = true;
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callback.call(component, newValue, oldValue);
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callback.__calling = false;
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}
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}
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}
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function get(key) {
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return key ? this._state[key] : this._state;
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}
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function fire(eventName, data) {
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var handlers =
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eventName in this._handlers && this._handlers[eventName].slice();
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if (!handlers) return;
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for (var i = 0; i < handlers.length; i += 1) {
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handlers[i].call(this, data);
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}
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}
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function observe(key, callback, options) {
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var group = options && options.defer
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? this._observers.post
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: this._observers.pre;
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(group[key] || (group[key] = [])).push(callback);
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if (!options || options.init !== false) {
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callback.__calling = true;
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callback.call(this, this._state[key]);
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callback.__calling = false;
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}
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return {
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cancel: function() {
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var index = group[key].indexOf(callback);
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if (~index) group[key].splice(index, 1);
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}
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};
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}
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function on(eventName, handler) {
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if (eventName === 'teardown') return this.on('destroy', handler);
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var handlers = this._handlers[eventName] || (this._handlers[eventName] = []);
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handlers.push(handler);
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return {
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cancel: function() {
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var index = handlers.indexOf(handler);
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if (~index) handlers.splice(index, 1);
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}
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};
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}
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function set(newState) {
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this._set(assign({}, newState));
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if (this._root._lock) return;
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this._root._lock = true;
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callAll(this._root._beforecreate);
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callAll(this._root._oncreate);
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callAll(this._root._aftercreate);
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this._root._lock = false;
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}
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function _set(newState) {
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var oldState = this._state,
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changed = {},
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dirty = false;
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for (var key in newState) {
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if (differs(newState[key], oldState[key])) changed[key] = dirty = true;
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}
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if (!dirty) return;
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this._state = assign({}, oldState, newState);
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this._recompute(changed, this._state, oldState, false);
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if (this._bind) this._bind(changed, this._state);
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dispatchObservers(this, this._observers.pre, changed, this._state, oldState);
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this._fragment.update(changed, this._state);
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dispatchObservers(this, this._observers.post, changed, this._state, oldState);
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}
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function callAll(fns) {
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while (fns && fns.length) fns.pop()();
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}
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function _mount(target, anchor) {
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this._fragment.mount(target, anchor);
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}
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function _unmount() {
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this._fragment.unmount();
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}
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var proto = {
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destroy: destroy,
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get: get,
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fire: fire,
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observe: observe,
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on: on,
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set: set,
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teardown: destroy,
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_recompute: noop,
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_set: _set,
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_mount: _mount,
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_unmount: _unmount
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};
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function create_main_fragment ( state, component ) {
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var h1, text, text_1, text_2;
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return {
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create: function () {
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h1 = createElement( 'h1' );
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text = createText( "Hello " );
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text_1 = createText( state.name );
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text_2 = createText( "!" );
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},
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mount: function ( target, anchor ) {
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insertNode( h1, target, anchor );
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appendNode( text, h1 );
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appendNode( text_1, h1 );
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appendNode( text_2, h1 );
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},
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update: function ( changed, state ) {
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if ( changed.name ) {
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text_1.data = state.name;
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}
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},
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unmount: function () {
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detachNode( h1 );
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},
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destroy: noop
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};
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}
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class SvelteComponent extends HTMLElement {
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constructor(options = {}) {
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super();
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this.options = options;
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this._state = options.data || {};
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this._observers = {
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pre: Object.create( null ),
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post: Object.create( null )
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};
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this._handlers = Object.create( null );
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this._root = options._root || this;
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this._yield = options._yield;
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this._bind = options._bind;
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this.attachShadow({ mode: 'open' });
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this._fragment = create_main_fragment( this._state, this );
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if ( options.target ) {
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this._fragment.create();
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this._mount( options.target, options.anchor || null );
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}
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}
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static get observedAttributes() {
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return ["name"];
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}
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get name() {
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return this.get('name');
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}
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set name(value) {
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this.set({ name: value });
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}
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attributeChangedCallback ( attr, oldValue, newValue ) {
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this.set({ [attr]: newValue });
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}
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}
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customElements.define('custom-element', SvelteComponent);
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assign( SvelteComponent.prototype, proto , {
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_mount(target, anchor) {
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this._fragment.mount(this.shadowRoot, null);
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target.insertBefore(this, anchor);
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},
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_unmount() {
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this.parentNode.removeChild(this);
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}
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});
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export default SvelteComponent;
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@ -0,0 +1,91 @@
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import { appendNode, assign, createElement, createText, detachNode, insertNode, noop, proto } from "svelte/shared.js";
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function create_main_fragment ( state, component ) {
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var h1, text, text_1, text_2;
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return {
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create: function () {
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h1 = createElement( 'h1' );
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text = createText( "Hello " );
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text_1 = createText( state.name );
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text_2 = createText( "!" );
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},
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mount: function ( target, anchor ) {
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insertNode( h1, target, anchor );
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appendNode( text, h1 );
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appendNode( text_1, h1 );
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appendNode( text_2, h1 );
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},
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update: function ( changed, state ) {
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if ( changed.name ) {
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text_1.data = state.name;
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}
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},
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unmount: function () {
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detachNode( h1 );
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},
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destroy: noop
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};
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}
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class SvelteComponent extends HTMLElement {
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constructor(options = {}) {
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super();
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this.options = options;
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this._state = options.data || {};
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this._observers = {
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pre: Object.create( null ),
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post: Object.create( null )
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};
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this._handlers = Object.create( null );
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this._root = options._root || this;
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this._yield = options._yield;
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this._bind = options._bind;
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this.attachShadow({ mode: 'open' });
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this._fragment = create_main_fragment( this._state, this );
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if ( options.target ) {
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this._fragment.create();
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this._mount( options.target, options.anchor || null );
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}
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}
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static get observedAttributes() {
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return ["name"];
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}
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get name() {
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return this.get('name');
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}
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set name(value) {
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this.set({ name: value });
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}
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attributeChangedCallback ( attr, oldValue, newValue ) {
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this.set({ [attr]: newValue });
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}
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}
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customElements.define('custom-element', SvelteComponent);
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assign( SvelteComponent.prototype, proto , {
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_mount(target, anchor) {
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this._fragment.mount(this.shadowRoot, null);
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target.insertBefore(this, anchor);
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},
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_unmount() {
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this.parentNode.removeChild(this);
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}
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});
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export default SvelteComponent;
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@ -0,0 +1,7 @@
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<h1>Hello {{name}}!</h1>
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<script>
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export default {
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tag: 'custom-element'
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};
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</script>
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@ -0,0 +1,5 @@
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export default {
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options: {
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customElement: true
|
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}
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};
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@ -0,0 +1,278 @@
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function noop() {}
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function assign(target) {
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var k,
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source,
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i = 1,
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len = arguments.length;
|
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for (; i < len; i++) {
|
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source = arguments[i];
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for (k in source) target[k] = source[k];
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}
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return target;
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}
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|
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function appendNode(node, target) {
|
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target.appendChild(node);
|
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}
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|
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function insertNode(node, target, anchor) {
|
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target.insertBefore(node, anchor);
|
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}
|
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|
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function detachNode(node) {
|
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node.parentNode.removeChild(node);
|
||||
}
|
||||
|
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function createElement(name) {
|
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return document.createElement(name);
|
||||
}
|
||||
|
||||
function createText(data) {
|
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return document.createTextNode(data);
|
||||
}
|
||||
|
||||
function setAttribute(node, attribute, value) {
|
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node.setAttribute(attribute, value);
|
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}
|
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|
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function destroy(detach) {
|
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this.destroy = noop;
|
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this.fire('destroy');
|
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this.set = this.get = noop;
|
||||
|
||||
if (detach !== false) this._fragment.unmount();
|
||||
this._fragment.destroy();
|
||||
this._fragment = this._state = null;
|
||||
}
|
||||
|
||||
function differs(a, b) {
|
||||
return a !== b || ((a && typeof a === 'object') || typeof a === 'function');
|
||||
}
|
||||
|
||||
function dispatchObservers(component, group, changed, newState, oldState) {
|
||||
for (var key in group) {
|
||||
if (!changed[key]) continue;
|
||||
|
||||
var newValue = newState[key];
|
||||
var oldValue = oldState[key];
|
||||
|
||||
var callbacks = group[key];
|
||||
if (!callbacks) continue;
|
||||
|
||||
for (var i = 0; i < callbacks.length; i += 1) {
|
||||
var callback = callbacks[i];
|
||||
if (callback.__calling) continue;
|
||||
|
||||
callback.__calling = true;
|
||||
callback.call(component, newValue, oldValue);
|
||||
callback.__calling = false;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
function get(key) {
|
||||
return key ? this._state[key] : this._state;
|
||||
}
|
||||
|
||||
function fire(eventName, data) {
|
||||
var handlers =
|
||||
eventName in this._handlers && this._handlers[eventName].slice();
|
||||
if (!handlers) return;
|
||||
|
||||
for (var i = 0; i < handlers.length; i += 1) {
|
||||
handlers[i].call(this, data);
|
||||
}
|
||||
}
|
||||
|
||||
function observe(key, callback, options) {
|
||||
var group = options && options.defer
|
||||
? this._observers.post
|
||||
: this._observers.pre;
|
||||
|
||||
(group[key] || (group[key] = [])).push(callback);
|
||||
|
||||
if (!options || options.init !== false) {
|
||||
callback.__calling = true;
|
||||
callback.call(this, this._state[key]);
|
||||
callback.__calling = false;
|
||||
}
|
||||
|
||||
return {
|
||||
cancel: function() {
|
||||
var index = group[key].indexOf(callback);
|
||||
if (~index) group[key].splice(index, 1);
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
function on(eventName, handler) {
|
||||
if (eventName === 'teardown') return this.on('destroy', handler);
|
||||
|
||||
var handlers = this._handlers[eventName] || (this._handlers[eventName] = []);
|
||||
handlers.push(handler);
|
||||
|
||||
return {
|
||||
cancel: function() {
|
||||
var index = handlers.indexOf(handler);
|
||||
if (~index) handlers.splice(index, 1);
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
function set(newState) {
|
||||
this._set(assign({}, newState));
|
||||
if (this._root._lock) return;
|
||||
this._root._lock = true;
|
||||
callAll(this._root._beforecreate);
|
||||
callAll(this._root._oncreate);
|
||||
callAll(this._root._aftercreate);
|
||||
this._root._lock = false;
|
||||
}
|
||||
|
||||
function _set(newState) {
|
||||
var oldState = this._state,
|
||||
changed = {},
|
||||
dirty = false;
|
||||
|
||||
for (var key in newState) {
|
||||
if (differs(newState[key], oldState[key])) changed[key] = dirty = true;
|
||||
}
|
||||
if (!dirty) return;
|
||||
|
||||
this._state = assign({}, oldState, newState);
|
||||
this._recompute(changed, this._state, oldState, false);
|
||||
if (this._bind) this._bind(changed, this._state);
|
||||
dispatchObservers(this, this._observers.pre, changed, this._state, oldState);
|
||||
this._fragment.update(changed, this._state);
|
||||
dispatchObservers(this, this._observers.post, changed, this._state, oldState);
|
||||
}
|
||||
|
||||
function callAll(fns) {
|
||||
while (fns && fns.length) fns.pop()();
|
||||
}
|
||||
|
||||
function _mount(target, anchor) {
|
||||
this._fragment.mount(target, anchor);
|
||||
}
|
||||
|
||||
function _unmount() {
|
||||
this._fragment.unmount();
|
||||
}
|
||||
|
||||
var proto = {
|
||||
destroy: destroy,
|
||||
get: get,
|
||||
fire: fire,
|
||||
observe: observe,
|
||||
on: on,
|
||||
set: set,
|
||||
teardown: destroy,
|
||||
_recompute: noop,
|
||||
_set: _set,
|
||||
_mount: _mount,
|
||||
_unmount: _unmount
|
||||
};
|
||||
|
||||
function create_main_fragment ( state, component ) {
|
||||
var div, slot, p, text, text_2, slot_1, p_1, text_3;
|
||||
|
||||
return {
|
||||
create: function () {
|
||||
div = createElement( 'div' );
|
||||
slot = createElement( 'slot' );
|
||||
p = createElement( 'p' );
|
||||
text = createText( "default fallback content" );
|
||||
text_2 = createText( "\n\n\t" );
|
||||
slot_1 = createElement( 'slot' );
|
||||
p_1 = createElement( 'p' );
|
||||
text_3 = createText( "foo fallback content" );
|
||||
this.hydrate();
|
||||
},
|
||||
|
||||
hydrate: function ( nodes ) {
|
||||
setAttribute( slot_1, 'name', "foo" );
|
||||
},
|
||||
|
||||
mount: function ( target, anchor ) {
|
||||
insertNode( div, target, anchor );
|
||||
appendNode( slot, div );
|
||||
appendNode( p, slot );
|
||||
appendNode( text, p );
|
||||
appendNode( text_2, div );
|
||||
appendNode( slot_1, div );
|
||||
appendNode( p_1, slot_1 );
|
||||
appendNode( text_3, p_1 );
|
||||
},
|
||||
|
||||
update: noop,
|
||||
|
||||
unmount: function () {
|
||||
detachNode( div );
|
||||
},
|
||||
|
||||
destroy: noop
|
||||
};
|
||||
}
|
||||
|
||||
class SvelteComponent extends HTMLElement {
|
||||
constructor(options = {}) {
|
||||
super();
|
||||
this.options = options;
|
||||
this._state = options.data || {};
|
||||
|
||||
this._observers = {
|
||||
pre: Object.create( null ),
|
||||
post: Object.create( null )
|
||||
};
|
||||
|
||||
this._handlers = Object.create( null );
|
||||
|
||||
this._root = options._root || this;
|
||||
this._yield = options._yield;
|
||||
this._bind = options._bind;
|
||||
this._slotted = options.slots || {};
|
||||
|
||||
this.attachShadow({ mode: 'open' });
|
||||
|
||||
this.slots = {};
|
||||
|
||||
this._fragment = create_main_fragment( this._state, this );
|
||||
|
||||
if ( options.target ) {
|
||||
this._fragment.create();
|
||||
this._mount( options.target, options.anchor || null );
|
||||
}
|
||||
}
|
||||
|
||||
static get observedAttributes() {
|
||||
return [];
|
||||
}
|
||||
|
||||
|
||||
|
||||
connectedCallback() {
|
||||
Object.keys(this._slotted).forEach(key => {
|
||||
this.appendChild(this._slotted[key]);
|
||||
});
|
||||
}
|
||||
|
||||
attributeChangedCallback ( attr, oldValue, newValue ) {
|
||||
this.set({ [attr]: newValue });
|
||||
}
|
||||
}
|
||||
|
||||
customElements.define('custom-element', SvelteComponent);
|
||||
assign( SvelteComponent.prototype, proto , {
|
||||
_mount(target, anchor) {
|
||||
this._fragment.mount(this.shadowRoot, null);
|
||||
target.insertBefore(this, anchor);
|
||||
},
|
||||
|
||||
_unmount() {
|
||||
this.parentNode.removeChild(this);
|
||||
}
|
||||
});
|
||||
|
||||
export default SvelteComponent;
|
||||
@ -0,0 +1,103 @@
|
||||
import { appendNode, assign, createElement, createText, detachNode, insertNode, noop, proto, setAttribute } from "svelte/shared.js";
|
||||
|
||||
function create_main_fragment ( state, component ) {
|
||||
var div, slot, p, text, text_2, slot_1, p_1, text_3;
|
||||
|
||||
return {
|
||||
create: function () {
|
||||
div = createElement( 'div' );
|
||||
slot = createElement( 'slot' );
|
||||
p = createElement( 'p' );
|
||||
text = createText( "default fallback content" );
|
||||
text_2 = createText( "\n\n\t" );
|
||||
slot_1 = createElement( 'slot' );
|
||||
p_1 = createElement( 'p' );
|
||||
text_3 = createText( "foo fallback content" );
|
||||
this.hydrate();
|
||||
},
|
||||
|
||||
hydrate: function ( nodes ) {
|
||||
setAttribute( slot_1, 'name', "foo" );
|
||||
},
|
||||
|
||||
mount: function ( target, anchor ) {
|
||||
insertNode( div, target, anchor );
|
||||
appendNode( slot, div );
|
||||
appendNode( p, slot );
|
||||
appendNode( text, p );
|
||||
appendNode( text_2, div );
|
||||
appendNode( slot_1, div );
|
||||
appendNode( p_1, slot_1 );
|
||||
appendNode( text_3, p_1 );
|
||||
},
|
||||
|
||||
update: noop,
|
||||
|
||||
unmount: function () {
|
||||
detachNode( div );
|
||||
},
|
||||
|
||||
destroy: noop
|
||||
};
|
||||
}
|
||||
|
||||
class SvelteComponent extends HTMLElement {
|
||||
constructor(options = {}) {
|
||||
super();
|
||||
this.options = options;
|
||||
this._state = options.data || {};
|
||||
|
||||
this._observers = {
|
||||
pre: Object.create( null ),
|
||||
post: Object.create( null )
|
||||
};
|
||||
|
||||
this._handlers = Object.create( null );
|
||||
|
||||
this._root = options._root || this;
|
||||
this._yield = options._yield;
|
||||
this._bind = options._bind;
|
||||
this._slotted = options.slots || {};
|
||||
|
||||
this.attachShadow({ mode: 'open' });
|
||||
|
||||
this.slots = {};
|
||||
|
||||
this._fragment = create_main_fragment( this._state, this );
|
||||
|
||||
if ( options.target ) {
|
||||
this._fragment.create();
|
||||
this._mount( options.target, options.anchor || null );
|
||||
}
|
||||
}
|
||||
|
||||
static get observedAttributes() {
|
||||
return [];
|
||||
}
|
||||
|
||||
|
||||
|
||||
connectedCallback() {
|
||||
Object.keys(this._slotted).forEach(key => {
|
||||
this.appendChild(this._slotted[key]);
|
||||
});
|
||||
}
|
||||
|
||||
attributeChangedCallback ( attr, oldValue, newValue ) {
|
||||
this.set({ [attr]: newValue });
|
||||
}
|
||||
}
|
||||
|
||||
customElements.define('custom-element', SvelteComponent);
|
||||
assign( SvelteComponent.prototype, proto , {
|
||||
_mount(target, anchor) {
|
||||
this._fragment.mount(this.shadowRoot, null);
|
||||
target.insertBefore(this, anchor);
|
||||
},
|
||||
|
||||
_unmount() {
|
||||
this.parentNode.removeChild(this);
|
||||
}
|
||||
});
|
||||
|
||||
export default SvelteComponent;
|
||||
@ -0,0 +1,15 @@
|
||||
<div>
|
||||
<slot>
|
||||
<p>default fallback content</p>
|
||||
</slot>
|
||||
|
||||
<slot name='foo'>
|
||||
<p>foo fallback content</p>
|
||||
</slot>
|
||||
</div>
|
||||
|
||||
<script>
|
||||
export default {
|
||||
tag: 'custom-element'
|
||||
};
|
||||
</script>
|
||||
@ -0,0 +1,5 @@
|
||||
export default {
|
||||
options: {
|
||||
customElement: true
|
||||
}
|
||||
};
|
||||
@ -0,0 +1,263 @@
|
||||
function noop() {}
|
||||
|
||||
function assign(target) {
|
||||
var k,
|
||||
source,
|
||||
i = 1,
|
||||
len = arguments.length;
|
||||
for (; i < len; i++) {
|
||||
source = arguments[i];
|
||||
for (k in source) target[k] = source[k];
|
||||
}
|
||||
|
||||
return target;
|
||||
}
|
||||
|
||||
function appendNode(node, target) {
|
||||
target.appendChild(node);
|
||||
}
|
||||
|
||||
function insertNode(node, target, anchor) {
|
||||
target.insertBefore(node, anchor);
|
||||
}
|
||||
|
||||
function detachNode(node) {
|
||||
node.parentNode.removeChild(node);
|
||||
}
|
||||
|
||||
function createElement(name) {
|
||||
return document.createElement(name);
|
||||
}
|
||||
|
||||
function createText(data) {
|
||||
return document.createTextNode(data);
|
||||
}
|
||||
|
||||
function destroy(detach) {
|
||||
this.destroy = noop;
|
||||
this.fire('destroy');
|
||||
this.set = this.get = noop;
|
||||
|
||||
if (detach !== false) this._fragment.unmount();
|
||||
this._fragment.destroy();
|
||||
this._fragment = this._state = null;
|
||||
}
|
||||
|
||||
function differs(a, b) {
|
||||
return a !== b || ((a && typeof a === 'object') || typeof a === 'function');
|
||||
}
|
||||
|
||||
function dispatchObservers(component, group, changed, newState, oldState) {
|
||||
for (var key in group) {
|
||||
if (!changed[key]) continue;
|
||||
|
||||
var newValue = newState[key];
|
||||
var oldValue = oldState[key];
|
||||
|
||||
var callbacks = group[key];
|
||||
if (!callbacks) continue;
|
||||
|
||||
for (var i = 0; i < callbacks.length; i += 1) {
|
||||
var callback = callbacks[i];
|
||||
if (callback.__calling) continue;
|
||||
|
||||
callback.__calling = true;
|
||||
callback.call(component, newValue, oldValue);
|
||||
callback.__calling = false;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
function get(key) {
|
||||
return key ? this._state[key] : this._state;
|
||||
}
|
||||
|
||||
function fire(eventName, data) {
|
||||
var handlers =
|
||||
eventName in this._handlers && this._handlers[eventName].slice();
|
||||
if (!handlers) return;
|
||||
|
||||
for (var i = 0; i < handlers.length; i += 1) {
|
||||
handlers[i].call(this, data);
|
||||
}
|
||||
}
|
||||
|
||||
function observe(key, callback, options) {
|
||||
var group = options && options.defer
|
||||
? this._observers.post
|
||||
: this._observers.pre;
|
||||
|
||||
(group[key] || (group[key] = [])).push(callback);
|
||||
|
||||
if (!options || options.init !== false) {
|
||||
callback.__calling = true;
|
||||
callback.call(this, this._state[key]);
|
||||
callback.__calling = false;
|
||||
}
|
||||
|
||||
return {
|
||||
cancel: function() {
|
||||
var index = group[key].indexOf(callback);
|
||||
if (~index) group[key].splice(index, 1);
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
function on(eventName, handler) {
|
||||
if (eventName === 'teardown') return this.on('destroy', handler);
|
||||
|
||||
var handlers = this._handlers[eventName] || (this._handlers[eventName] = []);
|
||||
handlers.push(handler);
|
||||
|
||||
return {
|
||||
cancel: function() {
|
||||
var index = handlers.indexOf(handler);
|
||||
if (~index) handlers.splice(index, 1);
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
function set(newState) {
|
||||
this._set(assign({}, newState));
|
||||
if (this._root._lock) return;
|
||||
this._root._lock = true;
|
||||
callAll(this._root._beforecreate);
|
||||
callAll(this._root._oncreate);
|
||||
callAll(this._root._aftercreate);
|
||||
this._root._lock = false;
|
||||
}
|
||||
|
||||
function _set(newState) {
|
||||
var oldState = this._state,
|
||||
changed = {},
|
||||
dirty = false;
|
||||
|
||||
for (var key in newState) {
|
||||
if (differs(newState[key], oldState[key])) changed[key] = dirty = true;
|
||||
}
|
||||
if (!dirty) return;
|
||||
|
||||
this._state = assign({}, oldState, newState);
|
||||
this._recompute(changed, this._state, oldState, false);
|
||||
if (this._bind) this._bind(changed, this._state);
|
||||
dispatchObservers(this, this._observers.pre, changed, this._state, oldState);
|
||||
this._fragment.update(changed, this._state);
|
||||
dispatchObservers(this, this._observers.post, changed, this._state, oldState);
|
||||
}
|
||||
|
||||
function callAll(fns) {
|
||||
while (fns && fns.length) fns.pop()();
|
||||
}
|
||||
|
||||
function _mount(target, anchor) {
|
||||
this._fragment.mount(target, anchor);
|
||||
}
|
||||
|
||||
function _unmount() {
|
||||
this._fragment.unmount();
|
||||
}
|
||||
|
||||
var proto = {
|
||||
destroy: destroy,
|
||||
get: get,
|
||||
fire: fire,
|
||||
observe: observe,
|
||||
on: on,
|
||||
set: set,
|
||||
teardown: destroy,
|
||||
_recompute: noop,
|
||||
_set: _set,
|
||||
_mount: _mount,
|
||||
_unmount: _unmount
|
||||
};
|
||||
|
||||
function create_main_fragment ( state, component ) {
|
||||
var h1, text, text_1, text_2;
|
||||
|
||||
return {
|
||||
create: function () {
|
||||
h1 = createElement( 'h1' );
|
||||
text = createText( "Hello " );
|
||||
text_1 = createText( state.name );
|
||||
text_2 = createText( "!" );
|
||||
},
|
||||
|
||||
mount: function ( target, anchor ) {
|
||||
insertNode( h1, target, anchor );
|
||||
appendNode( text, h1 );
|
||||
appendNode( text_1, h1 );
|
||||
appendNode( text_2, h1 );
|
||||
},
|
||||
|
||||
update: function ( changed, state ) {
|
||||
if ( changed.name ) {
|
||||
text_1.data = state.name;
|
||||
}
|
||||
},
|
||||
|
||||
unmount: function () {
|
||||
detachNode( h1 );
|
||||
},
|
||||
|
||||
destroy: noop
|
||||
};
|
||||
}
|
||||
|
||||
class SvelteComponent extends HTMLElement {
|
||||
constructor(options = {}) {
|
||||
super();
|
||||
this.options = options;
|
||||
this._state = options.data || {};
|
||||
|
||||
this._observers = {
|
||||
pre: Object.create( null ),
|
||||
post: Object.create( null )
|
||||
};
|
||||
|
||||
this._handlers = Object.create( null );
|
||||
|
||||
this._root = options._root || this;
|
||||
this._yield = options._yield;
|
||||
this._bind = options._bind;
|
||||
|
||||
this.attachShadow({ mode: 'open' });
|
||||
this.shadowRoot.innerHTML = `<style>h1{color:red}</style>`;
|
||||
|
||||
this._fragment = create_main_fragment( this._state, this );
|
||||
|
||||
if ( options.target ) {
|
||||
this._fragment.create();
|
||||
this._mount( options.target, options.anchor || null );
|
||||
}
|
||||
}
|
||||
|
||||
static get observedAttributes() {
|
||||
return ["name"];
|
||||
}
|
||||
|
||||
get name() {
|
||||
return this.get('name');
|
||||
}
|
||||
|
||||
set name(value) {
|
||||
this.set({ name: value });
|
||||
}
|
||||
|
||||
attributeChangedCallback ( attr, oldValue, newValue ) {
|
||||
this.set({ [attr]: newValue });
|
||||
}
|
||||
}
|
||||
|
||||
customElements.define('custom-element', SvelteComponent);
|
||||
assign( SvelteComponent.prototype, proto , {
|
||||
_mount(target, anchor) {
|
||||
this._fragment.mount(this.shadowRoot, null);
|
||||
target.insertBefore(this, anchor);
|
||||
},
|
||||
|
||||
_unmount() {
|
||||
this.parentNode.removeChild(this);
|
||||
}
|
||||
});
|
||||
|
||||
export default SvelteComponent;
|
||||
@ -0,0 +1,92 @@
|
||||
import { appendNode, assign, createElement, createText, detachNode, insertNode, noop, proto } from "svelte/shared.js";
|
||||
|
||||
function create_main_fragment ( state, component ) {
|
||||
var h1, text, text_1, text_2;
|
||||
|
||||
return {
|
||||
create: function () {
|
||||
h1 = createElement( 'h1' );
|
||||
text = createText( "Hello " );
|
||||
text_1 = createText( state.name );
|
||||
text_2 = createText( "!" );
|
||||
},
|
||||
|
||||
mount: function ( target, anchor ) {
|
||||
insertNode( h1, target, anchor );
|
||||
appendNode( text, h1 );
|
||||
appendNode( text_1, h1 );
|
||||
appendNode( text_2, h1 );
|
||||
},
|
||||
|
||||
update: function ( changed, state ) {
|
||||
if ( changed.name ) {
|
||||
text_1.data = state.name;
|
||||
}
|
||||
},
|
||||
|
||||
unmount: function () {
|
||||
detachNode( h1 );
|
||||
},
|
||||
|
||||
destroy: noop
|
||||
};
|
||||
}
|
||||
|
||||
class SvelteComponent extends HTMLElement {
|
||||
constructor(options = {}) {
|
||||
super();
|
||||
this.options = options;
|
||||
this._state = options.data || {};
|
||||
|
||||
this._observers = {
|
||||
pre: Object.create( null ),
|
||||
post: Object.create( null )
|
||||
};
|
||||
|
||||
this._handlers = Object.create( null );
|
||||
|
||||
this._root = options._root || this;
|
||||
this._yield = options._yield;
|
||||
this._bind = options._bind;
|
||||
|
||||
this.attachShadow({ mode: 'open' });
|
||||
this.shadowRoot.innerHTML = `<style>h1{color:red}</style>`;
|
||||
|
||||
this._fragment = create_main_fragment( this._state, this );
|
||||
|
||||
if ( options.target ) {
|
||||
this._fragment.create();
|
||||
this._mount( options.target, options.anchor || null );
|
||||
}
|
||||
}
|
||||
|
||||
static get observedAttributes() {
|
||||
return ["name"];
|
||||
}
|
||||
|
||||
get name() {
|
||||
return this.get('name');
|
||||
}
|
||||
|
||||
set name(value) {
|
||||
this.set({ name: value });
|
||||
}
|
||||
|
||||
attributeChangedCallback ( attr, oldValue, newValue ) {
|
||||
this.set({ [attr]: newValue });
|
||||
}
|
||||
}
|
||||
|
||||
customElements.define('custom-element', SvelteComponent);
|
||||
assign( SvelteComponent.prototype, proto , {
|
||||
_mount(target, anchor) {
|
||||
this._fragment.mount(this.shadowRoot, null);
|
||||
target.insertBefore(this, anchor);
|
||||
},
|
||||
|
||||
_unmount() {
|
||||
this.parentNode.removeChild(this);
|
||||
}
|
||||
});
|
||||
|
||||
export default SvelteComponent;
|
||||
@ -0,0 +1,13 @@
|
||||
<h1>Hello {{name}}!</h1>
|
||||
|
||||
<style>
|
||||
h1 {
|
||||
color: red;
|
||||
}
|
||||
</style>
|
||||
|
||||
<script>
|
||||
export default {
|
||||
tag: 'custom-element'
|
||||
};
|
||||
</script>
|
||||
Loading…
Reference in new issue