mirror of https://github.com/sveltejs/svelte
WIP towards #984
Rich Harris
7 years ago
parent
dbd5a76a6a
commit
2866b11c7d
@ -0,0 +1,178 @@
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function noop() {}
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function assign(tar, src) {
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for (var k in src) tar[k] = src[k];
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return tar;
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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 blankObject() {
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return Object.create(null);
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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 = noop;
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if (detach !== false) this._fragment.u();
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this._fragment.d();
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this._fragment = null;
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this._state = {};
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}
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function _differs(a, b) {
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return a != a ? b == b : a !== b || ((a && typeof a === 'object') || typeof a === 'function');
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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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var handler = handlers[i];
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if (!handler.__calling) {
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handler.__calling = true;
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handler.call(this, data);
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handler.__calling = false;
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}
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}
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}
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function get() {
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return this._state;
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}
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function init(component, options) {
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component._handlers = blankObject();
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component._bind = options._bind;
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component.options = options;
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component.root = options.root || component;
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component.store = component.root.store || options.store;
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}
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function on(eventName, 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 (this._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(assign({}, oldState), newState);
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this._recompute(changed, this._state);
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if (this._bind) this._bind(changed, this._state);
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if (this._fragment) {
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this.fire("state", { changed: changed, current: this._state, previous: oldState });
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this._fragment.p(changed, this._state);
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this.fire("update", { changed: changed, current: this._state, previous: oldState });
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}
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}
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function callAll(fns) {
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while (fns && fns.length) fns.shift()();
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}
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function _mount(target, anchor) {
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this._fragment[this._fragment.i ? 'i' : 'm'](target, anchor || null);
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}
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function _unmount() {
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if (this._fragment) this._fragment.u();
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}
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var proto = {
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destroy,
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get,
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fire,
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on,
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set,
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_recompute: noop,
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_set,
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_mount,
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_unmount,
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_differs
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};
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/* generated by Svelte vX.Y.Z */
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function create_main_fragment(component, ctx) {
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var div;
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return {
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c: function create() {
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div = createElement("div");
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div.textContent = "some content";
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},
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m: function mount(target, anchor) {
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insertNode(div, target, anchor);
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div.width = ctx.width ;
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div.height = ctx.height;
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},
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p: noop,
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u: function unmount() {
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detachNode(div);
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},
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d: noop
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};
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}
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function SvelteComponent(options) {
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init(this, options);
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this._state = assign({}, options.data);
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this._fragment = create_main_fragment(this, this._state);
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if (options.target) {
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this._fragment.c();
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this._mount(options.target, options.anchor);
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}
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}
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assign(SvelteComponent.prototype, proto);
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export default SvelteComponent;
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@ -0,0 +1,50 @@
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/* generated by Svelte vX.Y.Z */
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import { addResizeListener, assign, createElement, detachNode, init, insertNode, noop, proto } from "svelte/shared.js";
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function create_main_fragment(component, ctx) {
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var div, div_resize_listener;
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function div_resize_handler() {
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component.set({ w: div.offsetWidth, h: offsetHeight });
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}
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return {
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c: function create() {
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div = createElement("div");
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div.textContent = "some content";
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},
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h: function hydrate() {
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div_resize_listener = addResizeListener(div, div_resize_handler);
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component._beforecreate.push(div_resize_handler);
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},
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m: function mount(target, anchor) {
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insertNode(div, target, anchor);
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},
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p: noop,
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u: function unmount() {
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div_resize_listener.cancel();
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detachNode(div);
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},
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d: noop
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};
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}
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function SvelteComponent(options) {
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init(this, options);
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this._state = assign({}, options.data);
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this._fragment = create_main_fragment(this, this._state);
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if (options.target) {
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this._fragment.c();
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this._mount(options.target, options.anchor);
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}
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}
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assign(SvelteComponent.prototype, proto);
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export default SvelteComponent;
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@ -0,0 +1,3 @@
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<div bind:width=w bind:height=h>
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some content
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</div>
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