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| 'use strict';
exports.__esModule = true;
exports.triggerComponentRender = triggerComponentRender;
exports.setComponentProps = setComponentProps;
exports.renderComponent = renderComponent;
exports.buildComponentFromVNode = buildComponentFromVNode;
exports.unmountComponent = unmountComponent;
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }
var _constants = require('../constants');
var _options = require('../options');
var _options2 = _interopRequireDefault(_options);
var _util = require('../util');
var _hooks = require('../hooks');
var _renderQueue = require('../render-queue');
var _ = require('.');
var _diff = require('./diff');
var _diff2 = _interopRequireDefault(_diff);
var _componentRecycler = require('./component-recycler');
var _dom = require('../dom');
/** Mark component as dirty and queue up a render.
* @param {Component} component
* @private
*/
function triggerComponentRender(component) {
if (!component._dirty) {
component._dirty = true;
_renderQueue.enqueueRender(component);
}
}
// function getComponentBase(component) {
// // try { return component.base; } catch (err) {}
// if (component.base!==undefined) return component.base;
// }
// let types = window.types = [];
/** Set a component's `props` (generally derived from JSX attributes).
* @param {Object} props
* @param {Object} [opts]
* @param {boolean} [opts.renderSync=false] If `true` and {@link options.syncComponentUpdates} is `true`, triggers synchronous rendering.
* @param {boolean} [opts.render=true] If `false`, no render will be triggered.
*/
function setComponentProps(component, props, opts, context) {
var d = component._disableRendering === true;
component._disableRendering = true;
component.__ref = props.ref;
component.__key = props.key;
if (props.ref) delete props.ref;
Iif (props.key) delete props.key;
if (component.base !== undefined && component.base !== null) {
_hooks.hook(component, 'componentWillReceiveProps', props, context);
}
if (context && context !== component.context) {
Eif (!component.prevContext) component.prevContext = component.context;
component.context = context;
}
Eif (!component.prevProps) component.prevProps = component.props;
component.props = props;
component._disableRendering = d;
if (opts !== _constants.NO_RENDER) {
Eif (opts === _constants.SYNC_RENDER || _options2['default'].syncComponentUpdates !== false) {
renderComponent(component);
} else {
triggerComponentRender(component);
}
}
_hooks.hook(component, '__ref', component);
}
/** Render a Component, triggering necessary lifecycle events and taking High-Order Components into account.
* @param {Component} component
* @param {Object} [opts]
* @param {boolean} [opts.build=false] If `true`, component will build and store a DOM node if not already associated with one.
* @private
*/
function renderComponent(component, opts) {
Iif (component._disableRendering) return;
var skip = undefined,
rendered = undefined,
props = component.props,
state = component.state,
context = component.context,
previousProps = component.prevProps || props,
previousState = component.prevState || state,
previousContext = component.prevContext || context,
isUpdate = component.base,
initialBase = isUpdate || component.nextBase;
// if updating
if (isUpdate) {
component.props = previousProps;
component.state = previousState;
component.context = previousContext;
Iif (_hooks.hook(component, 'shouldComponentUpdate', props, state, context) === false) {
skip = true;
} else {
_hooks.hook(component, 'componentWillUpdate', props, state, context);
}
component.props = props;
component.state = state;
component.context = context;
}
component.prevProps = component.prevState = component.prevContext = component.nextBase = null;
component._dirty = false;
Eif (!skip) {
rendered = _hooks.hook(component, 'render', props, state, context);
var childComponent = rendered && rendered.nodeName,
childContext = component.getChildContext ? component.getChildContext() : context,
// @TODO might want to clone() new context obj
toUnmount = undefined,
base = undefined;
if (_util.isFunction(childComponent) && childComponent.prototype.render) {
// set up high order component link
var inst = component._component;
Iif (inst && inst.constructor !== childComponent) {
toUnmount = inst;
inst = null;
}
var childProps = _.getNodeProps(rendered);
if (inst) {
setComponentProps(inst, childProps, _constants.SYNC_RENDER, childContext);
} else {
inst = _componentRecycler.createComponent(childComponent, childProps, childContext);
inst._parentComponent = component;
component._component = inst;
Iif (isUpdate) _hooks.deepHook(inst, 'componentWillMount');
setComponentProps(inst, childProps, _constants.NO_RENDER, childContext);
renderComponent(inst, _constants.DOM_RENDER);
Iif (isUpdate) _hooks.deepHook(inst, 'componentDidMount');
}
base = inst.base;
} else {
var cbase = initialBase;
// destroy high order component link
toUnmount = component._component;
if (toUnmount) {
cbase = component._component = null;
}
Eif (initialBase || opts === _constants.DOM_RENDER) {
base = _diff2['default'](cbase, rendered || _constants.EMPTY_BASE, childContext);
}
}
if (initialBase && base !== initialBase) {
var p = initialBase.parentNode;
if (p && base !== p) p.replaceChild(base, initialBase);
}
if (toUnmount) {
unmountComponent(toUnmount, true);
}
component.base = base;
Eif (base) {
var componentRef = component,
t = component;
while (t = t._parentComponent) {
componentRef = t;
}
base._component = componentRef;
base._componentConstructor = componentRef.constructor;
}
if (isUpdate) {
_hooks.hook(component, 'componentDidUpdate', previousProps, previousState, previousContext);
}
}
var cb = component._renderCallbacks,
fn = undefined;
Iif (cb) while (fn = cb.pop()) fn.call(component);
return rendered;
}
/** Apply the Component referenced by a VNode to the DOM.
* @param {Element} dom The DOM node to mutate
* @param {VNode} vnode A Component-referencing VNode
* @returns {Element} dom The created/mutated element
* @private
*/
function buildComponentFromVNode(dom, vnode, context) {
var c = dom && dom._component,
oldDom = dom;
var isOwner = c && dom._componentConstructor === vnode.nodeName;
while (c && !isOwner && (c = c._parentComponent)) {
isOwner = c.constructor === vnode.nodeName;
}
if (isOwner) {
setComponentProps(c, _.getNodeProps(vnode), _constants.SYNC_RENDER, context);
dom = c.base;
} else {
Iif (c) {
unmountComponent(c, true);
dom = oldDom = null;
}
dom = createComponentFromVNode(vnode, dom, context);
if (oldDom && dom !== oldDom) {
oldDom._component = null;
_diff.recollectNodeTree(oldDom);
}
}
return dom;
}
/** Instantiate and render a Component, given a VNode whose nodeName is a constructor.
* @param {VNode} vnode
* @private
*/
function createComponentFromVNode(vnode, dom, context) {
var props = _.getNodeProps(vnode);
var component = _componentRecycler.createComponent(vnode.nodeName, props, context);
if (dom && !component.base) component.base = dom;
setComponentProps(component, props, _constants.NO_RENDER, context);
renderComponent(component, _constants.DOM_RENDER);
// let node = component.base;
//if (!node._component) {
// node._component = component;
// node._componentConstructor = vnode.nodeName;
//}
return component.base;
}
/** Remove a component from the DOM and recycle it.
* @param {Element} dom A DOM node from which to unmount the given Component
* @param {Component} component The Component instance to unmount
* @private
*/
function unmountComponent(component, remove) {
// console.log(`${remove?'Removing':'Unmounting'} component: ${component.constructor.name}`, component);
_hooks.hook(component, '__ref', null);
_hooks.hook(component, 'componentWillUnmount');
// recursively tear down & recollect high-order component children:
var inner = component._component;
if (inner) {
unmountComponent(inner, remove);
remove = false;
}
var base = component.base;
Eif (base) {
if (remove !== false) _dom.removeNode(base);
_diff.removeOrphanedChildren(base.childNodes, true);
}
if (remove) {
component._parentComponent = null;
_componentRecycler.collectComponent(component);
}
_hooks.hook(component, 'componentDidUnmount');
}
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