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svelte/test/js/samples/dev-warning-missing-data-co.../expected-bundle-v2.js

299 lines
7.0 KiB

7 years ago
function noop() {}
function assign(tar, src) {
for (var k in src) tar[k] = src[k];
return tar;
}
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 blankObject() {
return Object.create(null);
}
function destroy(detach) {
this.destroy = noop;
this.fire('destroy');
this.set = this.get = noop;
if (detach !== false) this._fragment.u();
this._fragment.d();
this._fragment = this._state = null;
}
function destroyDev(detach) {
destroy.call(this, detach);
this.destroy = function() {
console.warn('Component was already destroyed');
};
}
function _differs(a, b) {
return a != a ? b == b : 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 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 get(key) {
return key ? this._state[key] : this._state;
}
function init(component, options) {
component._observers = { pre: blankObject(), post: blankObject() };
component._handlers = blankObject();
component._bind = options._bind;
component.options = options;
component.root = options.root || component;
component.store = component.root.store || options.store;
}
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 observeDev(key, callback, options) {
var c = (key = '' + key).search(/[.[]/);
if (c > -1) {
var message =
'The first argument to component.observe(...) must be the name of a top-level property';
if (c > 0)
message += ", i.e. '" + key.slice(0, c) + "' rather than '" + key + "'";
throw new Error(message);
}
return observe.call(this, key, callback, options);
}
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 onDev(eventName, handler) {
if (eventName === 'teardown') {
console.warn(
"Use component.on('destroy', ...) instead of component.on('teardown', ...) which has been deprecated and will be unsupported in Svelte 2"
);
return this.on('destroy', handler);
}
return on.call(this, eventName, handler);
}
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 (this._differs(newState[key], oldState[key])) changed[key] = dirty = true;
}
if (!dirty) return;
this._state = assign(assign({}, oldState), newState);
this._recompute(changed, this._state);
if (this._bind) this._bind(changed, this._state);
if (this._fragment) {
dispatchObservers(this, this._observers.pre, changed, this._state, oldState);
this._fragment.p(changed, this._state);
dispatchObservers(this, this._observers.post, changed, this._state, oldState);
}
}
function setDev(newState) {
if (typeof newState !== 'object') {
throw new Error(
this._debugName + '.set was called without an object of data key-values to update.'
);
}
this._checkReadOnly(newState);
set.call(this, newState);
}
function callAll(fns) {
while (fns && fns.length) fns.shift()();
}
function _mount(target, anchor) {
this._fragment[this._fragment.i ? 'i' : 'm'](target, anchor || null);
}
function _unmount() {
if (this._fragment) this._fragment.u();
}
var protoDev = {
destroy: destroyDev,
get: get,
fire: fire,
observe: observeDev,
on: onDev,
set: setDev,
teardown: destroyDev,
_recompute: noop,
_set: _set,
_mount: _mount,
_unmount: _unmount,
_differs: _differs
};
/* generated by Svelte vX.Y.Z */
function bar(foo) {
return foo * 2;
}
function create_main_fragment(component, state) {
var p, text_value = state.Math.max(0, state.foo), text, text_1, text_2;
return {
c: function create() {
p = createElement("p");
text = createText(text_value);
text_1 = createText("\n\t");
text_2 = createText(state.bar);
},
m: function mount(target, anchor) {
insertNode(p, target, anchor);
appendNode(text, p);
appendNode(text_1, p);
appendNode(text_2, p);
},
p: function update(changed, state) {
if ((changed.Math || changed.foo) && text_value !== (text_value = state.Math.max(0, state.foo))) {
text.data = text_value;
}
if (changed.bar) {
text_2.data = state.bar;
}
},
u: function unmount() {
detachNode(p);
},
d: noop
};
}
function SvelteComponent(options) {
this._debugName = '<SvelteComponent>';
if (!options || (!options.target && !options.root)) throw new Error("'target' is a required option");
init(this, options);
this._state = assign({ Math : Math }, options.data);
this._recompute({ foo: 1 }, this._state);
if (!('foo' in this._state)) console.warn("<SvelteComponent> was created without expected data property 'foo'");
this._fragment = create_main_fragment(this, this._state);
if (options.target) {
if (options.hydrate) throw new Error("options.hydrate only works if the component was compiled with the `hydratable: true` option");
this._fragment.c();
this._mount(options.target, options.anchor);
}
}
assign(SvelteComponent.prototype, protoDev);
SvelteComponent.prototype._checkReadOnly = function _checkReadOnly(newState) {
if ('bar' in newState && !this._updatingReadonlyProperty) throw new Error("<SvelteComponent>: Cannot set read-only property 'bar'");
};
SvelteComponent.prototype._recompute = function _recompute(changed, state) {
if (changed.foo) {
if (this._differs(state.bar, (state.bar = bar(state.foo)))) changed.bar = true;
}
};
export default SvelteComponent;