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fix(ivy): Implement remaining methods for DebugNode (#27387)

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PR Close #27387
This commit is contained in:
Miško Hevery
2018-11-28 15:54:38 -08:00
committed by Igor Minar
parent f0b0d64453
commit b2d6f43b49
34 changed files with 605 additions and 406 deletions
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27
packages/core/src/render3/context_discovery.ts
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@ -36,7 +36,7 @@ import {getComponentViewByIndex, getNativeByTNode, readElementValue, readPatched
*
* @param target Component, Directive or DOM Node.
*/
export function getContext(target: any): LContext|null {
export function getLContext(target: any): LContext|null {
let mpValue = readPatchedData(target);
if (mpValue) {
// only when it's an array is it considered an LView instance
@ -250,8 +250,8 @@ function findViaDirective(lView: LView, directiveInstance: {}): number {
// list of directives for the instance.
let tNode = lView[TVIEW].firstChild;
while (tNode) {
const directiveIndexStart = getDirectiveStartIndex(tNode);
const directiveIndexEnd = getDirectiveEndIndex(tNode, directiveIndexStart);
const directiveIndexStart = tNode.directiveStart;
const directiveIndexEnd = tNode.directiveEnd;
for (let i = directiveIndexStart; i < directiveIndexEnd; i++) {
if (lView[i] === directiveInstance) {
return tNode.index;
@ -273,16 +273,16 @@ function findViaDirective(lView: LView, directiveInstance: {}): number {
export function getDirectivesAtNodeIndex(
nodeIndex: number, lView: LView, includeComponents: boolean): any[]|null {
const tNode = lView[TVIEW].data[nodeIndex] as TNode;
let directiveStartIndex = getDirectiveStartIndex(tNode);
let directiveStartIndex = tNode.directiveStart;
if (directiveStartIndex == 0) return EMPTY_ARRAY;
const directiveEndIndex = getDirectiveEndIndex(tNode, directiveStartIndex);
const directiveEndIndex = tNode.directiveEnd;
if (!includeComponents && tNode.flags & TNodeFlags.isComponent) directiveStartIndex++;
return lView.slice(directiveStartIndex, directiveEndIndex);
}
export function getComponentAtNodeIndex(nodeIndex: number, lView: LView): {}|null {
const tNode = lView[TVIEW].data[nodeIndex] as TNode;
let directiveStartIndex = getDirectiveStartIndex(tNode);
let directiveStartIndex = tNode.directiveStart;
return tNode.flags & TNodeFlags.isComponent ? lView[directiveStartIndex] : null;
}
@ -305,18 +305,3 @@ export function discoverLocalRefs(lView: LView, nodeIndex: number): {[key: strin
return null;
}
function getDirectiveStartIndex(tNode: TNode): number {
// the tNode instances store a flag value which then has a
// pointer which tells the starting index of where all the
// active directives are in the master directive array
return tNode.flags >> TNodeFlags.DirectiveStartingIndexShift;
}
function getDirectiveEndIndex(tNode: TNode, startIndex: number): number {
// The end value is also a part of the same flag
// (see `TNodeFlags` to see how the flag bit shifting
// values are used).
const count = tNode.flags & TNodeFlags.DirectiveCountMask;
return count ? (startIndex + count) : -1;
}