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353 lines
8.3 KiB
353 lines
8.3 KiB
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 detachAfter(before) {
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while (before.nextSibling) {
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before.parentNode.removeChild(before.nextSibling);
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}
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}
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// TODO this is out of date
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function destroyEach(iterations, detach, start) {
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for (var i = start; i < iterations.length; i += 1) {
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if (iterations[i]) iterations[i].destroy(detach);
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}
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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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/* generated by Svelte v1.39.2 */
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function create_main_fragment(state, component) {
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var text, p, text_1;
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var each_block_value = state.comments;
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var each_block_iterations = [];
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for (var i = 0; i < each_block_value.length; i += 1) {
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each_block_iterations[i] = create_each_block(state, each_block_value, each_block_value[i], i, component);
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}
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return {
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create: function() {
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for (var i = 0; i < each_block_iterations.length; i += 1) {
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each_block_iterations[i].create();
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}
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text = createText("\n\n");
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p = createElement("p");
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text_1 = createText(state.foo);
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},
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mount: function(target, anchor) {
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for (var i = 0; i < each_block_iterations.length; i += 1) {
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each_block_iterations[i].mount(target, anchor);
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}
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insertNode(text, target, anchor);
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insertNode(p, target, anchor);
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appendNode(text_1, p);
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},
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update: function(changed, state) {
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var each_block_value = state.comments;
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if (changed.comments || changed.elapsed || changed.time) {
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for (var i = 0; i < each_block_value.length; i += 1) {
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if (each_block_iterations[i]) {
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each_block_iterations[i].update(changed, state, each_block_value, each_block_value[i], i);
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} else {
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each_block_iterations[i] = create_each_block(state, each_block_value, each_block_value[i], i, component);
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each_block_iterations[i].create();
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each_block_iterations[i].mount(text.parentNode, text);
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}
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}
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for (; i < each_block_iterations.length; i += 1) {
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each_block_iterations[i].unmount();
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each_block_iterations[i].destroy();
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}
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each_block_iterations.length = each_block_value.length;
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}
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if ( changed.foo ) {
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text_1.data = state.foo;
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}
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},
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unmount: function() {
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for (var i = 0; i < each_block_iterations.length; i += 1) {
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each_block_iterations[i].unmount();
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}
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detachNode(text);
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detachNode(p);
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},
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destroy: function() {
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destroyEach(each_block_iterations, false, 0);
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}
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};
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}
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// (1:0) {{#each comments as comment, i}}
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function create_each_block(state, each_block_value, comment, i, component) {
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var div, strong, text, text_1, span, text_2_value = comment.author, text_2, text_3, text_4_value = state.elapsed(comment.time, state.time), text_4, text_5, text_6, raw_value = comment.html, raw_before;
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return {
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create: function() {
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div = createElement("div");
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strong = createElement("strong");
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text = createText(i);
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text_1 = createText("\n\n\t\t");
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span = createElement("span");
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text_2 = createText(text_2_value);
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text_3 = createText(" wrote ");
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text_4 = createText(text_4_value);
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text_5 = createText(" ago:");
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text_6 = createText("\n\n\t\t");
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raw_before = createElement('noscript');
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this.hydrate();
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},
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hydrate: function(nodes) {
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div.className = "comment";
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span.className = "meta";
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},
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mount: function(target, anchor) {
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insertNode(div, target, anchor);
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appendNode(strong, div);
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appendNode(text, strong);
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appendNode(text_1, div);
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appendNode(span, div);
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appendNode(text_2, span);
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appendNode(text_3, span);
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appendNode(text_4, span);
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appendNode(text_5, span);
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appendNode(text_6, div);
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appendNode(raw_before, div);
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raw_before.insertAdjacentHTML("afterend", raw_value);
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},
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update: function(changed, state, each_block_value, comment, i) {
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if ( (changed.comments) && text_2_value !== (text_2_value = comment.author) ) {
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text_2.data = text_2_value;
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}
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if ( (changed.elapsed || changed.comments || changed.time) && text_4_value !== (text_4_value = state.elapsed(comment.time, state.time)) ) {
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text_4.data = text_4_value;
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}
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if ( (changed.comments) && raw_value !== (raw_value = comment.html) ) {
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detachAfter(raw_before);
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raw_before.insertAdjacentHTML("afterend", raw_value);
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}
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},
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unmount: function() {
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detachAfter(raw_before);
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detachNode(div);
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},
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destroy: noop
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};
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}
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function SvelteComponent(options) {
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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._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._fragment.mount(options.target, options.anchor || null);
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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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