cargdev/angular
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

refactor(ivy): save check methods separately (#21795) (#21905)

Browse Source 
PR Close #21795

PR Close #21905
This commit is contained in:
Kara Erickson
2018-01-25 20:41:57 -08:00
committed by Jason Aden
parent 81306c1f61
commit 9dca5f2743
6 changed files with 73 additions and 77 deletions
Download Patch File Download Diff File Expand all files Collapse all files

78
packages/core/src/render3/hooks.ts
View File

@ -10,20 +10,6 @@ import {DirectiveDef} from './interfaces/definition';
import {LNodeFlags} from './interfaces/node';
import {HookData, LView, LifecycleStage, TView} from './interfaces/view';
/** Constants used by lifecycle hooks to determine when and how a hook should be called. */
export const enum LifecycleHook {
ON_INIT = 0b00,
ON_CHECK = 0b01,
/* Mask used to get the type of the lifecycle hook from flags in hook queue */
TYPE_MASK = 0b00000000000000000000000000000001,
/* Shift needed to get directive index from flags in hook queue */
INDX_SHIFT = 1
}
/**
* If this is the first template pass, any ngOnInit or ngDoCheck hooks will be queued into
* TView.initHooks during directiveCreate.
@ -40,11 +26,12 @@ export function queueInitHooks(
index: number, onInit: (() => void) | null, doCheck: (() => void) | null, tView: TView): void {
if (tView.firstTemplatePass === true) {
if (onInit != null) {
(tView.initHooks || (tView.initHooks = [])).push(getInitFlags(index), onInit);
(tView.initHooks || (tView.initHooks = [])).push(index, onInit);
}
if (doCheck != null) {
(tView.initHooks || (tView.initHooks = [])).push(getCheckFlags(index), doCheck);
(tView.initHooks || (tView.initHooks = [])).push(index, doCheck);
(tView.checkHooks || (tView.checkHooks = [])).push(index, doCheck);
}
}
}
@ -74,23 +61,24 @@ export function queueLifecycleHooks(flags: number, currentView: LView): void {
/** Queues afterContentInit and afterContentChecked hooks on TView */
function queueContentHooks(def: DirectiveDef<any>, tView: TView, i: number): void {
if (def.afterContentInit != null) {
(tView.contentHooks || (tView.contentHooks = [])).push(getInitFlags(i), def.afterContentInit);
(tView.contentHooks || (tView.contentHooks = [])).push(i, def.afterContentInit);
}
if (def.afterContentChecked != null) {
(tView.contentHooks || (tView.contentHooks = [
])).push(getCheckFlags(i), def.afterContentChecked);
(tView.contentHooks || (tView.contentHooks = [])).push(i, def.afterContentChecked);
(tView.contentCheckHooks || (tView.contentCheckHooks = [])).push(i, def.afterContentChecked);
}
}
/** Queues afterViewInit and afterViewChecked hooks on TView */
function queueViewHooks(def: DirectiveDef<any>, tView: TView, i: number): void {
if (def.afterViewInit != null) {
(tView.viewHooks || (tView.viewHooks = [])).push(getInitFlags(i), def.afterViewInit);
(tView.viewHooks || (tView.viewHooks = [])).push(i, def.afterViewInit);
}
if (def.afterViewChecked != null) {
(tView.viewHooks || (tView.viewHooks = [])).push(getCheckFlags(i), def.afterViewChecked);
(tView.viewHooks || (tView.viewHooks = [])).push(i, def.afterViewChecked);
(tView.viewCheckHooks || (tView.viewCheckHooks = [])).push(i, def.afterViewChecked);
}
}
@ -101,26 +89,14 @@ function queueDestroyHooks(def: DirectiveDef<any>, tView: TView, i: number): voi
}
}
/** Generates flags for init-only hooks */
function getInitFlags(index: number): number {
return index << LifecycleHook.INDX_SHIFT;
}
/** Generates flags for hooks called every change detection run */
function getCheckFlags(index: number): number {
return (index << LifecycleHook.INDX_SHIFT) | LifecycleHook.ON_CHECK;
}
/**
* Calls onInit and doCheck calls if they haven't already been called.
*
* @param currentView The current view
*/
export function executeInitHooks(currentView: LView): void {
const initHooks = currentView.tView.initHooks;
if (currentView.lifecycleStage === LifecycleStage.INIT && initHooks != null) {
executeLifecycleHooks(currentView, initHooks);
export function executeInitHooks(currentView: LView, tView: TView, creationMode: boolean): void {
if (currentView.lifecycleStage === LifecycleStage.INIT) {
executeHooks(currentView.data, tView.initHooks, tView.checkHooks, creationMode);
currentView.lifecycleStage = LifecycleStage.CONTENT_INIT;
}
}
@ -131,11 +107,9 @@ export function executeInitHooks(currentView: LView): void {
*
* @param currentView The current view
*/
export function executeContentHooks(currentView: LView): void {
const contentHooks = currentView.tView.contentHooks;
if (currentView.lifecycleStage < LifecycleStage.VIEW_INIT && contentHooks != null) {
executeLifecycleHooks(currentView, contentHooks);
export function executeContentHooks(currentView: LView, tView: TView, creationMode: boolean): void {
if (currentView.lifecycleStage < LifecycleStage.VIEW_INIT) {
executeHooks(currentView.data, tView.contentHooks, tView.contentCheckHooks, creationMode);
currentView.lifecycleStage = LifecycleStage.VIEW_INIT;
}
}
@ -145,11 +119,12 @@ export function executeContentHooks(currentView: LView): void {
*
* @param currentView The current view
*/
export function executeViewHooks(currentView: LView): void {
const viewHooks = currentView.tView.viewHooks;
if (viewHooks != null) {
executeLifecycleHooks(currentView, viewHooks);
export function executeHooks(
data: any[], allHooks: HookData | null, checkHooks: HookData | null,
creationMode: boolean): void {
const hooksToCall = creationMode ? allHooks : checkHooks;
if (hooksToCall != null) {
callHooks(data, hooksToCall);
}
}
@ -160,15 +135,8 @@ export function executeViewHooks(currentView: LView): void {
* @param currentView The current view
* @param arr The array in which the hooks are found
*/
function executeLifecycleHooks(currentView: LView, arr: HookData): void {
const data = currentView.data;
const creationMode = currentView.creationMode;
export function callHooks(data: any[], arr: HookData): void {
for (let i = 0; i < arr.length; i += 2) {
const flags = arr[i] as number;
const initOnly = (flags & LifecycleHook.TYPE_MASK) === LifecycleHook.ON_INIT;
if (initOnly === false || creationMode) {
(arr[i | 1] as() => void).call(data[flags >> LifecycleHook.INDX_SHIFT]);
}
(arr[i | 1] as() => void).call(data[arr[i] as number]);
}
}