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-rw-r--r--thirdparty/preact/src/component.js102
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diff --git a/thirdparty/preact/src/component.js b/thirdparty/preact/src/component.js
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-import { FORCE_RENDER } from './constants';
-import { extend, clone, isFunction } from './util';
-import { createLinkedState } from './linked-state';
-import { renderComponent } from './vdom/component';
-import { enqueueRender } from './render-queue';
-
-/** Base Component class, for he ES6 Class method of creating Components
- * @public
- *
- * @example
- * class MyFoo extends Component {
- * render(props, state) {
- * return <div />;
- * }
- * }
- */
-export function Component(props, context) {
- /** @private */
- this._dirty = true;
- // /** @public */
- // this._disableRendering = false;
- // /** @public */
- // this.prevState = this.prevProps = this.prevContext = this.base = this.nextBase = this._parentComponent = this._component = this.__ref = this.__key = this._linkedStates = this._renderCallbacks = null;
- /** @public */
- this.context = context;
- /** @type {object} */
- this.props = props;
- /** @type {object} */
- if (!this.state) this.state = {};
-}
-
-
-extend(Component.prototype, {
-
- /** Returns a `boolean` value indicating if the component should re-render when receiving the given `props` and `state`.
- * @param {object} nextProps
- * @param {object} nextState
- * @param {object} nextContext
- * @returns {Boolean} should the component re-render
- * @name shouldComponentUpdate
- * @function
- */
- // shouldComponentUpdate() {
- // return true;
- // },
-
-
- /** Returns a function that sets a state property when called.
- * Calling linkState() repeatedly with the same arguments returns a cached link function.
- *
- * Provides some built-in special cases:
- * - Checkboxes and radio buttons link their boolean `checked` value
- * - Inputs automatically link their `value` property
- * - Event paths fall back to any associated Component if not found on an element
- * - If linked value is a function, will invoke it and use the result
- *
- * @param {string} key The path to set - can be a dot-notated deep key
- * @param {string} [eventPath] If set, attempts to find the new state value at a given dot-notated path within the object passed to the linkedState setter.
- * @returns {function} linkStateSetter(e)
- *
- * @example Update a "text" state value when an input changes:
- * <input onChange={ this.linkState('text') } />
- *
- * @example Set a deep state value on click
- * <button onClick={ this.linkState('touch.coords', 'touches.0') }>Tap</button
- */
- linkState(key, eventPath) {
- let c = this._linkedStates || (this._linkedStates = {});
- return c[key+eventPath] || (c[key+eventPath] = createLinkedState(this, key, eventPath));
- },
-
-
- /** Update component state by copying properties from `state` to `this.state`.
- * @param {object} state A hash of state properties to update with new values
- */
- setState(state, callback) {
- let s = this.state;
- if (!this.prevState) this.prevState = clone(s);
- extend(s, isFunction(state) ? state(s, this.props) : state);
- if (callback) (this._renderCallbacks = (this._renderCallbacks || [])).push(callback);
- enqueueRender(this);
- },
-
-
- /** Immediately perform a synchronous re-render of the component.
- * @private
- */
- forceUpdate() {
- renderComponent(this, FORCE_RENDER);
- },
-
-
- /** Accepts `props` and `state`, and returns a new Virtual DOM tree to build.
- * Virtual DOM is generally constructed via [JSX](http://jasonformat.com/wtf-is-jsx).
- * @param {object} props Props (eg: JSX attributes) received from parent element/component
- * @param {object} state The component's current state
- * @param {object} context Context object (if a parent component has provided context)
- * @returns VNode
- */
- render() {}
-
-});