fix(core): Store the currently selected ICU in `LView` (#38345)

The currently selected ICU was incorrectly being stored it `TNode`
rather than in `LView`.

Remove: `TIcuContainerNode.activeCaseIndex`
Add: `LView[TIcu.currentCaseIndex]`

PR Close #38345
This commit is contained in:
Misko Hevery 2020-08-04 12:42:12 -07:00 committed by Andrew Kushnir
parent 6ff28ac944
commit 6d8c73a4d6
20 changed files with 624 additions and 283 deletions

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@ -62,7 +62,7 @@
"bundle": "TODO(i): we should define ngDevMode to false in Closure, but --define only works in the global scope.",
"bundle": "TODO(i): (FW-2164) TS 3.9 new class shape seems to have broken Closure in big ways. The size went from 169991 to 252338",
"bundle": "TODO(i): after removal of tsickle from ngc-wrapped / ng_package, we had to switch to SIMPLE optimizations which increased the size from 252338 to 1198917, see PR#37221 and PR#37317 for more info",
"bundle": 1213130
"bundle": 1213769
}
}
}

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@ -7,7 +7,7 @@
*/
import {devModeEqual} from '../change_detection/change_detection_util';
import {assertDataInRange, assertLessThan, assertNotSame} from '../util/assert';
import {assertIndexInRange, assertLessThan, assertNotSame} from '../util/assert';
import {getExpressionChangedErrorDetails, throwErrorIfNoChangesMode} from './errors';
import {LView} from './interfaces/view';
@ -24,7 +24,7 @@ export function updateBinding(lView: LView, bindingIndex: number, value: any): a
/** Gets the current binding value. */
export function getBinding(lView: LView, bindingIndex: number): any {
ngDevMode && assertDataInRange(lView, bindingIndex);
ngDevMode && assertIndexInRange(lView, bindingIndex);
ngDevMode &&
assertNotSame(lView[bindingIndex], NO_CHANGE, 'Stored value should never be NO_CHANGE.');
return lView[bindingIndex];

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@ -11,7 +11,7 @@
import {Type} from '../core';
import {Injector} from '../di/injector';
import {Sanitizer} from '../sanitization/sanitizer';
import {assertDataInRange} from '../util/assert';
import {assertIndexInRange} from '../util/assert';
import {assertComponentType} from './assert';
import {getComponentDef} from './definition';
@ -172,7 +172,7 @@ export function createRootComponentView(
rNode: RElement|null, def: ComponentDef<any>, rootView: LView,
rendererFactory: RendererFactory3, hostRenderer: Renderer3, sanitizer?: Sanitizer|null): LView {
const tView = rootView[TVIEW];
ngDevMode && assertDataInRange(rootView, 0 + HEADER_OFFSET);
ngDevMode && assertIndexInRange(rootView, 0 + HEADER_OFFSET);
rootView[0 + HEADER_OFFSET] = rNode;
const tNode: TElementNode = getOrCreateTNode(tView, null, 0, TNodeType.Element, null, null);
const mergedAttrs = tNode.mergedAttrs = def.hostAttrs;

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@ -13,13 +13,13 @@ import {getTemplateContent, SRCSET_ATTRS, URI_ATTRS, VALID_ATTRS, VALID_ELEMENTS
import {getInertBodyHelper} from '../sanitization/inert_body';
import {_sanitizeUrl, sanitizeSrcset} from '../sanitization/url_sanitizer';
import {addAllToArray} from '../util/array_utils';
import {assertDataInRange, assertDefined, assertEqual} from '../util/assert';
import {assertDefined, assertEqual, assertGreaterThan, assertIndexInRange} from '../util/assert';
import {bindingUpdated} from './bindings';
import {attachPatchData} from './context_discovery';
import {i18nMutateOpCodesToString, i18nUpdateOpCodesToString} from './i18n_debug';
import {setDelayProjection} from './instructions/all';
import {allocExpando, elementAttributeInternal, elementPropertyInternal, getOrCreateTNode, setInputsForProperty, setNgReflectProperties, textBindingInternal} from './instructions/shared';
import {allocExpando, elementAttributeInternal, elementPropertyInternal, getOrCreateTNode, setInputsForProperty, setNgReflectProperties, textBindingInternal as applyTextBinding} from './instructions/shared';
import {LContainer, NATIVE} from './interfaces/container';
import {getDocument} from './interfaces/document';
import {COMMENT_MARKER, ELEMENT_MARKER, I18nMutateOpCode, I18nMutateOpCodes, I18nUpdateOpCode, I18nUpdateOpCodes, IcuType, TI18n, TIcu} from './interfaces/i18n';
@ -726,7 +726,7 @@ function i18nEndFirstPass(tView: TView, lView: LView) {
const lastCreatedNode = getPreviousOrParentTNode();
// Read the instructions to insert/move/remove DOM elements
const visitedNodes = readCreateOpCodes(rootIndex, tI18n.create, tView, lView);
const visitedNodes = applyCreateOpCodes(tView, rootIndex, tI18n.create, lView);
// Remove deleted nodes
let index = rootIndex + 1;
@ -756,7 +756,7 @@ function createDynamicNodeAtIndex(
tView: TView, lView: LView, index: number, type: TNodeType, native: RElement|RText|null,
name: string|null): TElementNode|TIcuContainerNode {
const previousOrParentTNode = getPreviousOrParentTNode();
ngDevMode && assertDataInRange(lView, index + HEADER_OFFSET);
ngDevMode && assertIndexInRange(lView, index + HEADER_OFFSET);
lView[index + HEADER_OFFSET] = native;
// FIXME(misko): Why does this create A TNode??? I would not expect this to be here.
const tNode = getOrCreateTNode(tView, lView[T_HOST], index, type as any, name, null);
@ -770,8 +770,16 @@ function createDynamicNodeAtIndex(
return tNode;
}
function readCreateOpCodes(
index: number, createOpCodes: I18nMutateOpCodes, tView: TView, lView: LView): number[] {
/**
* Apply `I18nMutateOpCodes` OpCodes.
*
* @param tView Current `TView`
* @param rootIndex Pointer to the root (parent) tNode for the i18n.
* @param createOpCodes OpCodes to process
* @param lView Current `LView`
*/
function applyCreateOpCodes(
tView: TView, rootindex: number, createOpCodes: I18nMutateOpCodes, lView: LView): number[] {
const renderer = lView[RENDERER];
let currentTNode: TNode|null = null;
let previousTNode: TNode|null = null;
@ -792,7 +800,7 @@ function readCreateOpCodes(
case I18nMutateOpCode.AppendChild:
const destinationNodeIndex = opCode >>> I18nMutateOpCode.SHIFT_PARENT;
let destinationTNode: TNode;
if (destinationNodeIndex === index) {
if (destinationNodeIndex === rootindex) {
// If the destination node is `i18nStart`, we don't have a
// top-level node and we should use the host node instead
destinationTNode = lView[T_HOST]!;
@ -852,7 +860,6 @@ function readCreateOpCodes(
tView, lView, commentNodeIndex, TNodeType.IcuContainer, commentRNode, null);
visitedNodes.push(commentNodeIndex);
attachPatchData(commentRNode, lView);
(currentTNode as TIcuContainerNode).activeCaseIndex = null;
// We will add the case nodes later, during the update phase
setIsNotParent();
break;
@ -881,16 +888,27 @@ function readCreateOpCodes(
return visitedNodes;
}
function readUpdateOpCodes(
updateOpCodes: I18nUpdateOpCodes, icus: TIcu[]|null, bindingsStartIndex: number,
changeMask: number, tView: TView, lView: LView, bypassCheckBit: boolean) {
/**
* Apply `I18nUpdateOpCodes` OpCodes
*
* @param tView Current `TView`
* @param tIcus If ICUs present than this contains them.
* @param lView Current `LView`
* @param updateOpCodes OpCodes to process
* @param bindingsStartIndex Location of the first `ɵɵi18nApply`
* @param changeMask Each bit corresponds to a `ɵɵi18nExp` (Counting backwards from
* `bindingsStartIndex`)
*/
function applyUpdateOpCodes(
tView: TView, tIcus: TIcu[]|null, lView: LView, updateOpCodes: I18nUpdateOpCodes,
bindingsStartIndex: number, changeMask: number) {
let caseCreated = false;
for (let i = 0; i < updateOpCodes.length; i++) {
// bit code to check if we should apply the next update
const checkBit = updateOpCodes[i] as number;
// Number of opCodes to skip until next set of update codes
const skipCodes = updateOpCodes[++i] as number;
if (bypassCheckBit || (checkBit & changeMask)) {
if (checkBit & changeMask) {
// The value has been updated since last checked
let value = '';
for (let j = i + 1; j <= (i + skipCodes); j++) {
@ -912,16 +930,16 @@ function readUpdateOpCodes(
sanitizeFn, false);
break;
case I18nUpdateOpCode.Text:
textBindingInternal(lView, nodeIndex, value);
applyTextBinding(lView, nodeIndex, value);
break;
case I18nUpdateOpCode.IcuSwitch:
caseCreated = icuSwitchCase(
tView, updateOpCodes[++j] as number, nodeIndex, icus!, lView, value);
caseCreated =
applyIcuSwitchCase(tView, tIcus!, updateOpCodes[++j] as number, lView, value);
break;
case I18nUpdateOpCode.IcuUpdate:
icuUpdateCase(
tView, lView, updateOpCodes[++j] as number, nodeIndex, bindingsStartIndex,
icus!, caseCreated);
applyIcuUpdateCase(
tView, tIcus!, updateOpCodes[++j] as number, bindingsStartIndex, lView,
caseCreated);
break;
}
}
@ -932,68 +950,100 @@ function readUpdateOpCodes(
}
}
function icuUpdateCase(
tView: TView, lView: LView, tIcuIndex: number, nodeIndex: number, bindingsStartIndex: number,
tIcus: TIcu[], caseCreated: boolean) {
/**
* Apply OpCodes associated with updating an existing ICU.
*
* @param tView Current `TView`
* @param tIcus tIcus ICUs active at this location them.
* @param tIcuIndex Index into `tIcus` to process.
* @param bindingsStartIndex Location of the first `ɵɵi18nApply`
* @param lView Current `LView`
* @param changeMask Each bit corresponds to a `ɵɵi18nExp` (Counting backwards from
* `bindingsStartIndex`)
*/
function applyIcuUpdateCase(
tView: TView, tIcus: TIcu[], tIcuIndex: number, bindingsStartIndex: number, lView: LView,
caseCreated: boolean) {
ngDevMode && assertIndexInRange(tIcus, tIcuIndex);
const tIcu = tIcus[tIcuIndex];
const icuTNode = getTNode(tView, nodeIndex) as TIcuContainerNode;
if (icuTNode.activeCaseIndex !== null) {
readUpdateOpCodes(
tIcu.update[icuTNode.activeCaseIndex], tIcus, bindingsStartIndex, changeMask, tView, lView,
caseCreated);
ngDevMode && assertIndexInRange(lView, tIcu.currentCaseLViewIndex);
const activeCaseIndex = lView[tIcu.currentCaseLViewIndex];
if (activeCaseIndex !== null) {
const mask = caseCreated ?
-1 : // -1 is same as all bits on, which simulates creation since it marks all bits dirty
changeMask;
applyUpdateOpCodes(tView, tIcus, lView, tIcu.update[activeCaseIndex], bindingsStartIndex, mask);
}
}
function icuSwitchCase(
tView: TView, tIcuIndex: number, nodeIndex: number, tIcus: TIcu[], lView: LView,
value: string): boolean {
const tIcu = tIcus[tIcuIndex];
const icuTNode = getTNode(tView, nodeIndex) as TIcuContainerNode;
/**
* Apply OpCodes associated with switching a case on ICU.
*
* This involves tearing down existing case and than building up a new case.
*
* @param tView Current `TView`
* @param tIcus ICUs active at this location.
* @param tIcuIndex Index into `tIcus` to process.
* @param lView Current `LView`
* @param value Value of the case to update to.
* @returns true if a new case was created (needed so that the update executes regardless of the
* bitmask)
*/
function applyIcuSwitchCase(
tView: TView, tIcus: TIcu[], tIcuIndex: number, lView: LView, value: string): boolean {
applyIcuSwitchCaseRemove(tView, tIcus, tIcuIndex, lView);
// Rebuild a new case for this ICU
let caseCreated = false;
// If there is an active case, delete the old nodes
if (icuTNode.activeCaseIndex !== null) {
const removeCodes = tIcu.remove[icuTNode.activeCaseIndex];
ngDevMode && assertIndexInRange(tIcus, tIcuIndex);
const tIcu = tIcus[tIcuIndex];
const caseIndex = getCaseIndex(tIcu, value);
lView[tIcu.currentCaseLViewIndex] = caseIndex !== -1 ? caseIndex : null;
if (caseIndex > -1) {
// Add the nodes for the new case
applyCreateOpCodes(
tView, -1, // -1 means we don't have parent node
tIcu.create[caseIndex], lView);
caseCreated = true;
}
return caseCreated;
}
/**
* Apply OpCodes associated with tearing down of DOM.
*
* This involves tearing down existing case and than building up a new case.
*
* @param tView Current `TView`
* @param tIcus ICUs active at this location.
* @param tIcuIndex Index into `tIcus` to process.
* @param lView Current `LView`
* @returns true if a new case was created (needed so that the update executes regardless of the
* bitmask)
*/
function applyIcuSwitchCaseRemove(tView: TView, tIcus: TIcu[], tIcuIndex: number, lView: LView) {
ngDevMode && assertIndexInRange(tIcus, tIcuIndex);
const tIcu = tIcus[tIcuIndex];
const activeCaseIndex = lView[tIcu.currentCaseLViewIndex];
if (activeCaseIndex !== null) {
const removeCodes = tIcu.remove[activeCaseIndex];
for (let k = 0; k < removeCodes.length; k++) {
const removeOpCode = removeCodes[k] as number;
const nodeOrIcuIndex = removeOpCode >>> I18nMutateOpCode.SHIFT_REF;
switch (removeOpCode & I18nMutateOpCode.MASK_INSTRUCTION) {
case I18nMutateOpCode.Remove:
// FIXME(misko): this comment is wrong!
// Remove DOM element, but do *not* mark TNode as detached, since we are
// just switching ICU cases (while keeping the same TNode), so a DOM element
// representing a new ICU case will be re-created.
removeNode(tView, lView, nodeOrIcuIndex, /* markAsDetached */ false);
break;
case I18nMutateOpCode.RemoveNestedIcu:
removeNestedIcu(
tView, tIcus, removeCodes, nodeOrIcuIndex,
removeCodes[k + 1] as number >>> I18nMutateOpCode.SHIFT_REF);
applyIcuSwitchCaseRemove(tView, tIcus, nodeOrIcuIndex, lView);
break;
}
}
}
// Update the active caseIndex
const caseIndex = getCaseIndex(tIcu, value);
icuTNode.activeCaseIndex = caseIndex !== -1 ? caseIndex : null;
if (caseIndex > -1) {
// Add the nodes for the new case
readCreateOpCodes(
-1 /* -1 means we don't have parent node */, tIcu.create[caseIndex], tView, lView);
caseCreated = true;
}
return caseCreated;
}
function removeNestedIcu(
tView: TView, tIcus: TIcu[], removeCodes: I18nMutateOpCodes, nodeIndex: number,
nestedIcuNodeIndex: number) {
const nestedIcuTNode = getTNode(tView, nestedIcuNodeIndex) as TIcuContainerNode;
const activeIndex = nestedIcuTNode.activeCaseIndex;
if (activeIndex !== null) {
const nestedTIcu = tIcus[nodeIndex];
// FIXME(misko): the fact that we are adding items to parent list looks very suspect!
addAllToArray(nestedTIcu.remove[activeIndex], removeCodes);
}
}
function removeNode(tView: TView, lView: LView, index: number, markAsDetached: boolean) {
@ -1153,18 +1203,18 @@ export function ɵɵi18nApply(index: number) {
if (shiftsCounter) {
const tView = getTView();
ngDevMode && assertDefined(tView, `tView should be defined`);
const tI18n = tView.data[index + HEADER_OFFSET];
const tI18n = tView.data[index + HEADER_OFFSET] as TI18n | I18nUpdateOpCodes;
let updateOpCodes: I18nUpdateOpCodes;
let icus: TIcu[]|null = null;
let tIcus: TIcu[]|null = null;
if (Array.isArray(tI18n)) {
updateOpCodes = tI18n as I18nUpdateOpCodes;
} else {
updateOpCodes = (tI18n as TI18n).update;
icus = (tI18n as TI18n).icus;
tIcus = (tI18n as TI18n).icus;
}
const bindingsStartIndex = getBindingIndex() - shiftsCounter - 1;
const lView = getLView();
readUpdateOpCodes(updateOpCodes, icus, bindingsStartIndex, changeMask, tView, lView, false);
applyUpdateOpCodes(tView, tIcus, lView, updateOpCodes, bindingsStartIndex, changeMask);
// Reset changeMask & maskBit to default for the next update cycle
changeMask = 0b0;
@ -1215,9 +1265,10 @@ function icuStart(
const updateCodes: I18nUpdateOpCodes[] = [];
const vars = [];
const childIcus: number[][] = [];
for (let i = 0; i < icuExpression.values.length; i++) {
const values = icuExpression.values;
for (let i = 0; i < values.length; i++) {
// Each value is an array of strings & other ICU expressions
const valueArr = icuExpression.values[i];
const valueArr = values[i];
const nestedIcus: IcuExpression[] = [];
for (let j = 0; j < valueArr.length; j++) {
const value = valueArr[j];
@ -1239,6 +1290,9 @@ function icuStart(
const tIcu: TIcu = {
type: icuExpression.type,
vars,
currentCaseLViewIndex: HEADER_OFFSET +
expandoStartIndex // expandoStartIndex does not include the header so add it.
+ 1, // The first item stored is the `<!--ICU #-->` anchor so skip it.
childIcus,
cases: icuExpression.cases,
create: createCodes,
@ -1269,7 +1323,13 @@ function parseIcuCase(
throw new Error('Unable to generate inert body element');
}
const wrapper = getTemplateContent(inertBodyElement!) as Element || inertBodyElement;
const opCodes: IcuCase = {vars: 0, childIcus: [], create: [], remove: [], update: []};
const opCodes: IcuCase = {
vars: 1, // allocate space for `TIcu.currentCaseLViewIndex`
childIcus: [],
create: [],
remove: [],
update: []
};
if (ngDevMode) {
attachDebugGetter(opCodes.create, i18nMutateOpCodesToString);
attachDebugGetter(opCodes.remove, i18nMutateOpCodesToString);

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@ -5,7 +5,7 @@
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import {assertDataInRange, assertGreaterThan} from '../../util/assert';
import {assertGreaterThan, assertIndexInRange} from '../../util/assert';
import {executeCheckHooks, executeInitAndCheckHooks} from '../hooks';
import {FLAGS, HEADER_OFFSET, InitPhaseState, LView, LViewFlags, TView} from '../interfaces/view';
import {getCheckNoChangesMode, getLView, getSelectedIndex, getTView, setSelectedIndex} from '../state';
@ -52,7 +52,7 @@ export function ɵɵselect(index: number): void {
export function selectIndexInternal(
tView: TView, lView: LView, index: number, checkNoChangesMode: boolean) {
ngDevMode && assertGreaterThan(index, -1, 'Invalid index');
ngDevMode && assertDataInRange(lView, index + HEADER_OFFSET);
ngDevMode && assertIndexInRange(lView, index + HEADER_OFFSET);
// Flush the initial hooks for elements in the view that have been added up to this point.
// PERF WARNING: do NOT extract this to a separate function without running benchmarks

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@ -6,7 +6,7 @@
* found in the LICENSE file at https://angular.io/license
*/
import {assertDataInRange, assertDefined, assertEqual} from '../../util/assert';
import {assertDefined, assertEqual, assertIndexInRange} from '../../util/assert';
import {assertFirstCreatePass, assertHasParent} from '../assert';
import {attachPatchData} from '../context_discovery';
import {registerPostOrderHooks} from '../hooks';
@ -79,7 +79,7 @@ export function ɵɵelementStart(
getBindingIndex(), tView.bindingStartIndex,
'elements should be created before any bindings');
ngDevMode && ngDevMode.rendererCreateElement++;
ngDevMode && assertDataInRange(lView, adjustedIndex);
ngDevMode && assertIndexInRange(lView, adjustedIndex);
const renderer = lView[RENDERER];
const native = lView[adjustedIndex] = elementCreate(name, renderer, getNamespace());

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@ -5,7 +5,7 @@
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import {assertDataInRange, assertEqual} from '../../util/assert';
import {assertEqual, assertIndexInRange} from '../../util/assert';
import {assertHasParent} from '../assert';
import {attachPatchData} from '../context_discovery';
import {registerPostOrderHooks} from '../hooks';
@ -66,7 +66,7 @@ export function ɵɵelementContainerStart(
const tView = getTView();
const adjustedIndex = index + HEADER_OFFSET;
ngDevMode && assertDataInRange(lView, adjustedIndex);
ngDevMode && assertIndexInRange(lView, adjustedIndex);
ngDevMode &&
assertEqual(
getBindingIndex(), tView.bindingStartIndex,

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@ -7,7 +7,7 @@
*/
import {assertDataInRange} from '../../util/assert';
import {assertIndexInRange} from '../../util/assert';
import {isObservable} from '../../util/lang';
import {EMPTY_OBJ} from '../empty';
import {PropertyAliasValue, TNode, TNodeFlags, TNodeType} from '../interfaces/node';
@ -204,7 +204,7 @@ function listenerInternal(
if (propsLength) {
for (let i = 0; i < propsLength; i += 2) {
const index = props[i] as number;
ngDevMode && assertDataInRange(lView, index);
ngDevMode && assertIndexInRange(lView, index);
const minifiedName = props[i + 1];
const directiveInstance = lView[index];
const output = directiveInstance[minifiedName];

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@ -362,19 +362,24 @@ export function toDebug(obj: any): any {
* (will not serialize child elements).
*/
function toHtml(value: any, includeChildren: boolean = false): string|null {
const node: HTMLElement|null = unwrapRNode(value) as any;
const node: Node|null = unwrapRNode(value) as any;
if (node) {
const isTextNode = node.nodeType === Node.TEXT_NODE;
const outerHTML = (isTextNode ? node.textContent : node.outerHTML) || '';
if (includeChildren || isTextNode) {
switch (node.nodeType) {
case Node.TEXT_NODE:
return node.textContent;
case Node.COMMENT_NODE:
return `<!--${(node as Comment).textContent}-->`;
case Node.ELEMENT_NODE:
const outerHTML = (node as Element).outerHTML;
if (includeChildren) {
return outerHTML;
} else {
const innerHTML = '>' + node.innerHTML + '<';
const innerHTML = '>' + (node as Element).innerHTML + '<';
return (outerHTML.split(innerHTML)[0]) + '>';
}
} else {
return null;
}
}
return null;
}
export class LViewDebug implements ILViewDebug {

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@ -12,7 +12,7 @@ import {CUSTOM_ELEMENTS_SCHEMA, NO_ERRORS_SCHEMA, SchemaMetadata} from '../../me
import {ViewEncapsulation} from '../../metadata/view';
import {validateAgainstEventAttributes, validateAgainstEventProperties} from '../../sanitization/sanitization';
import {Sanitizer} from '../../sanitization/sanitizer';
import {assertDataInRange, assertDefined, assertDomNode, assertEqual, assertGreaterThan, assertLessThan, assertNotEqual, assertNotSame, assertSame} from '../../util/assert';
import {assertDefined, assertDomNode, assertEqual, assertGreaterThan, assertIndexInRange, assertLessThan, assertNotEqual, assertNotSame, assertSame} from '../../util/assert';
import {createNamedArrayType} from '../../util/named_array_type';
import {initNgDevMode} from '../../util/ng_dev_mode';
import {normalizeDebugBindingName, normalizeDebugBindingValue} from '../../util/ng_reflect';
@ -236,13 +236,6 @@ export function getOrCreateTNode(
const tNode = tView.data[adjustedIndex] as TNode ||
createTNodeAtIndex(tView, tHostNode, adjustedIndex, type, name, attrs);
setPreviousOrParentTNode(tNode, true);
if (ngDevMode) {
// For performance reasons it is important that the tNode retains the same shape during runtime.
// (To make sure that all of the code is monomorphic.) For this reason we seal the object to
// prevent class transitions.
// FIXME(misko): re-enable this once i18n code is compliant with this.
// Object.seal(tNode);
}
return tNode as TElementNode & TViewNode & TContainerNode & TElementContainerNode &
TProjectionNode & TIcuContainerNode;
}
@ -665,7 +658,7 @@ export function createTView(
// that has a host binding, we will update the blueprint with that def's hostVars count.
const initialViewLength = bindingStartIndex + vars;
const blueprint = createViewBlueprint(bindingStartIndex, initialViewLength);
return blueprint[TVIEW as any] = ngDevMode ?
const tView = blueprint[TVIEW as any] = ngDevMode ?
new TViewConstructor(
type,
viewIndex, // id: number,
@ -736,6 +729,13 @@ export function createTView(
consts: consts,
incompleteFirstPass: false
};
if (ngDevMode) {
// For performance reasons it is important that the tView retains the same shape during runtime.
// (To make sure that all of the code is monomorphic.) For this reason we seal the object to
// prevent class transitions.
Object.seal(tView);
}
return tView;
}
function createViewBlueprint(bindingStartIndex: number, initialViewLength: number): LView {
@ -825,7 +825,8 @@ export function createTNode(
tagName: string|null, attrs: TAttributes|null): TNode {
ngDevMode && ngDevMode.tNode++;
let injectorIndex = tParent ? tParent.injectorIndex : -1;
return ngDevMode ? new TNodeDebug(
const tNode = ngDevMode ?
new TNodeDebug(
tView, // tView_: TView
type, // type: TNodeType
adjustedIndex, // index: number
@ -890,6 +891,13 @@ export function createTNode(
classBindings: 0 as any,
styleBindings: 0 as any,
};
if (ngDevMode) {
// For performance reasons it is important that the tNode retains the same shape during runtime.
// (To make sure that all of the code is monomorphic.) For this reason we seal the object to
// prevent class transitions.
Object.seal(tNode);
}
return tNode;
}
@ -2040,7 +2048,7 @@ export function setInputsForProperty(
const index = inputs[i++] as number;
const privateName = inputs[i++] as string;
const instance = lView[index];
ngDevMode && assertDataInRange(lView, index);
ngDevMode && assertIndexInRange(lView, index);
const def = tView.data[index] as DirectiveDef<any>;
if (def.setInput !== null) {
def.setInput!(instance, value, publicName, privateName);
@ -2055,7 +2063,7 @@ export function setInputsForProperty(
*/
export function textBindingInternal(lView: LView, index: number, value: string): void {
ngDevMode && assertNotSame(value, NO_CHANGE as any, 'value should not be NO_CHANGE');
ngDevMode && assertDataInRange(lView, index + HEADER_OFFSET);
ngDevMode && assertIndexInRange(lView, index + HEADER_OFFSET);
const element = getNativeByIndex(index, lView) as any as RText;
ngDevMode && assertDefined(element, 'native element should exist');
ngDevMode && ngDevMode.rendererSetText++;

View File

@ -5,11 +5,12 @@
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import {assertDataInRange, assertEqual} from '../../util/assert';
import {assertEqual, assertIndexInRange} from '../../util/assert';
import {TElementNode, TNodeType} from '../interfaces/node';
import {HEADER_OFFSET, RENDERER, T_HOST} from '../interfaces/view';
import {appendChild, createTextNode} from '../node_manipulation';
import {getBindingIndex, getLView, getTView, setPreviousOrParentTNode} from '../state';
import {getOrCreateTNode} from './shared';
@ -31,7 +32,7 @@ export function ɵɵtext(index: number, value: string = ''): void {
assertEqual(
getBindingIndex(), tView.bindingStartIndex,
'text nodes should be created before any bindings');
ngDevMode && assertDataInRange(lView, adjustedIndex);
ngDevMode && assertIndexInRange(lView, adjustedIndex);
const tNode = tView.firstCreatePass ?
getOrCreateTNode(tView, lView[T_HOST], index, TNodeType.Element, null, null) :

View File

@ -346,6 +346,14 @@ export interface TIcu {
*/
vars: number[];
/**
* Currently selected ICU case pointer.
*
* `lView[currentCaseLViewIndex]` stores the currently selected case. This is needed to know how
* to clean up the current case when transitioning no the new case.
*/
currentCaseLViewIndex: number;
/**
* An optional array of child/sub ICUs.
*

View File

@ -709,13 +709,6 @@ export interface TIcuContainerNode extends TNode {
parent: TElementNode|TElementContainerNode|null;
tViews: null;
projection: null;
/**
* Indicates the current active case for an ICU expression.
* It is null when there is no active case.
*
*/
// FIXME(misko): This is at a wrong location as activeCase is `LView` (not `TView`) concern
activeCaseIndex: number|null;
}
/** Static data for a view */

View File

@ -6,7 +6,7 @@
* found in the LICENSE file at https://angular.io/license
*/
import {assertDataInRange} from '../util/assert';
import {assertIndexInRange} from '../util/assert';
import {bindingUpdated, bindingUpdated2, bindingUpdated3, bindingUpdated4, getBinding, updateBinding} from './bindings';
import {LView} from './interfaces/view';
import {getBindingRoot, getLView} from './state';
@ -287,7 +287,7 @@ export function ɵɵpureFunctionV(
* it to `undefined`.
*/
function getPureFunctionReturnValue(lView: LView, returnValueIndex: number) {
ngDevMode && assertDataInRange(lView, returnValueIndex);
ngDevMode && assertIndexInRange(lView, returnValueIndex);
const lastReturnValue = lView[returnValueIndex];
return lastReturnValue === NO_CHANGE ? undefined : lastReturnValue;
}

View File

@ -15,7 +15,7 @@ import {ElementRef as ViewEngine_ElementRef} from '../linker/element_ref';
import {QueryList} from '../linker/query_list';
import {TemplateRef as ViewEngine_TemplateRef} from '../linker/template_ref';
import {ViewContainerRef} from '../linker/view_container_ref';
import {assertDataInRange, assertDefined, throwError} from '../util/assert';
import {assertDefined, assertIndexInRange, throwError} from '../util/assert';
import {stringify} from '../util/stringify';
import {assertFirstCreatePass, assertLContainer} from './assert';
@ -140,7 +140,7 @@ class TQueries_ implements TQueries {
}
getByIndex(index: number): TQuery {
ngDevMode && assertDataInRange(this.queries, index);
ngDevMode && assertIndexInRange(this.queries, index);
return this.queries[index];
}
@ -358,7 +358,7 @@ function materializeViewResults<T>(
// null as a placeholder
result.push(null);
} else {
ngDevMode && assertDataInRange(tViewData, matchedNodeIdx);
ngDevMode && assertIndexInRange(tViewData, matchedNodeIdx);
const tNode = tViewData[matchedNodeIdx] as TNode;
result.push(createResultForNode(lView, tNode, tQueryMatches[i + 1], tQuery.metadata.read));
}
@ -551,7 +551,7 @@ export function ɵɵloadQuery<T>(): QueryList<T> {
function loadQueryInternal<T>(lView: LView, queryIndex: number): QueryList<T> {
ngDevMode &&
assertDefined(lView[QUERIES], 'LQueries should be defined when trying to load a query');
ngDevMode && assertDataInRange(lView[QUERIES]!.queries, queryIndex);
ngDevMode && assertIndexInRange(lView[QUERIES]!.queries, queryIndex);
return lView[QUERIES]!.queries[queryIndex].queryList;
}

View File

@ -7,7 +7,7 @@
*/
import {KeyValueArray, keyValueArrayIndexOf} from '../../util/array_utils';
import {assertDataInRange, assertEqual, assertNotEqual} from '../../util/assert';
import {assertEqual, assertIndexInRange, assertNotEqual} from '../../util/assert';
import {assertFirstUpdatePass} from '../assert';
import {TNode} from '../interfaces/node';
import {getTStylingRangeNext, getTStylingRangePrev, setTStylingRangeNext, setTStylingRangeNextDuplicate, setTStylingRangePrev, setTStylingRangePrevDuplicate, toTStylingRange, TStylingKey, TStylingKeyPrimitive, TStylingRange} from '../interfaces/styling';
@ -370,7 +370,7 @@ function markDuplicates(
// - we are a map in which case we have to continue searching even after we find what we were
// looking for since we are a wild card and everything needs to be flipped to duplicate.
while (cursor !== 0 && (foundDuplicate === false || isMap)) {
ngDevMode && assertDataInRange(tData, cursor);
ngDevMode && assertIndexInRange(tData, cursor);
const tStylingValueAtCursor = tData[cursor] as TStylingKey;
const tStyleRangeAtCursor = tData[cursor + 1] as TStylingRange;
if (isStylingMatch(tStylingValueAtCursor, tStylingKey)) {

View File

@ -6,7 +6,7 @@
* found in the LICENSE file at https://angular.io/license
*/
import {assertDataInRange, assertDefined, assertDomNode, assertGreaterThan, assertLessThan} from '../../util/assert';
import {assertDefined, assertDomNode, assertGreaterThan, assertIndexInRange, assertLessThan} from '../../util/assert';
import {assertTNodeForLView} from '../assert';
import {LContainer, TYPE} from '../interfaces/container';
import {LContext, MONKEY_PATCH_KEY_NAME} from '../interfaces/context';
@ -91,7 +91,7 @@ export function getNativeByIndex(index: number, lView: LView): RNode {
*/
export function getNativeByTNode(tNode: TNode, lView: LView): RNode {
ngDevMode && assertTNodeForLView(tNode, lView);
ngDevMode && assertDataInRange(lView, tNode.index);
ngDevMode && assertIndexInRange(lView, tNode.index);
const node: RNode = unwrapRNode(lView[tNode.index]);
ngDevMode && !isProceduralRenderer(lView[RENDERER]) && assertDomNode(node);
return node;
@ -125,13 +125,13 @@ export function getTNode(tView: TView, index: number): TNode {
/** Retrieves a value from any `LView` or `TData`. */
export function load<T>(view: LView|TData, index: number): T {
ngDevMode && assertDataInRange(view, index + HEADER_OFFSET);
ngDevMode && assertIndexInRange(view, index + HEADER_OFFSET);
return view[index + HEADER_OFFSET];
}
export function getComponentLViewByIndex(nodeIndex: number, hostView: LView): LView {
// Could be an LView or an LContainer. If LContainer, unwrap to find LView.
ngDevMode && assertDataInRange(hostView, nodeIndex);
ngDevMode && assertIndexInRange(hostView, nodeIndex);
const slotValue = hostView[nodeIndex];
const lView = isLView(slotValue) ? slotValue : slotValue[HOST];
return lView;

View File

@ -110,7 +110,7 @@ export function assertDomNode(node: any): asserts node is Node {
}
export function assertDataInRange(arr: any[], index: number) {
export function assertIndexInRange(arr: any[], index: number) {
const maxLen = arr ? arr.length : 0;
assertLessThan(index, maxLen, `Index expected to be less than ${maxLen} but got ${index}`);
}

View File

@ -14,7 +14,11 @@ import localeEs from '@angular/common/locales/es';
import localeRo from '@angular/common/locales/ro';
import {computeMsgId} from '@angular/compiler';
import {Component, ContentChild, ContentChildren, Directive, ElementRef, HostBinding, Input, LOCALE_ID, NO_ERRORS_SCHEMA, Pipe, PipeTransform, QueryList, RendererFactory2, TemplateRef, Type, ViewChild, ViewContainerRef, ɵsetDocument} from '@angular/core';
import {getComponentDef} from '@angular/core/src/render3/definition';
import {setDelayProjection} from '@angular/core/src/render3/instructions/projection';
import {TI18n, TIcu} from '@angular/core/src/render3/interfaces/i18n';
import {DebugNode, HEADER_OFFSET, TVIEW} from '@angular/core/src/render3/interfaces/view';
import {getComponentLView, loadLContext} from '@angular/core/src/render3/util/discovery_utils';
import {TestBed} from '@angular/core/testing';
import {clearTranslations, loadTranslations} from '@angular/localize';
import {By, ɵDomRendererFactory2 as DomRendererFactory2} from '@angular/platform-browser';
@ -599,6 +603,217 @@ onlyInIvy('Ivy i18n logic').describe('runtime i18n', () => {
});
});
describe('dynamic TNodes', () => {
// When translation occurs the i18n system needs to create dynamic TNodes for the text
// nodes so that they can be correctly processed by the `addRemoveViewFromContainer`.
function toTypeContent(n: DebugNode): string {
return `${n.type}(${n.html})`;
}
it('should not create dynamic TNode when no i18n', () => {
const fixture = initWithTemplate(AppComp, `Hello <b>World</b>!`);
const lView = getComponentLView(fixture.componentInstance);
const hello_ = (fixture.nativeElement as Element).firstChild!;
const b = hello_.nextSibling!;
const world = b.firstChild!;
const exclamation = b.nextSibling!;
const lViewDebug = lView.debug!;
expect(lViewDebug.nodes.map(toTypeContent)).toEqual([
'Element(Hello )', 'Element(<b>)', 'Element(!)'
]);
expect(lViewDebug.decls).toEqual({
start: HEADER_OFFSET,
end: HEADER_OFFSET + 4,
length: 4,
content: [
jasmine.objectContaining({index: HEADER_OFFSET + 0, l: hello_}),
jasmine.objectContaining({index: HEADER_OFFSET + 1, l: b}),
jasmine.objectContaining({index: HEADER_OFFSET + 2, l: world}),
jasmine.objectContaining({index: HEADER_OFFSET + 3, l: exclamation}),
]
});
expect(lViewDebug.i18n)
.toEqual(
{start: lViewDebug.vars.end, end: lViewDebug.expando.start, length: 0, content: []});
});
it('should create dynamic TNode for text nodes', () => {
const fixture =
initWithTemplate(AppComp, `<ng-container i18n>Hello <b>World</b>!</ng-container>`);
const lView = getComponentLView(fixture.componentInstance);
const hello_ = (fixture.nativeElement as Element).firstChild!;
const b = hello_.nextSibling!;
const world = b.firstChild!;
const exclamation = b.nextSibling!;
const container = exclamation.nextSibling!;
const lViewDebug = lView.debug!;
expect(lViewDebug.nodes.map(toTypeContent)).toEqual([
'ElementContainer(<!--ng-container-->)'
]);
// This assertion shows that the translated nodes are correctly linked into the TNode tree.
expect(lViewDebug.nodes[0].children.map(toTypeContent)).toEqual([
'Element(Hello )', 'Element(<b>)', 'Element(!)'
]);
// This assertion shows that the translated text is not part of decls
expect(lViewDebug.decls).toEqual({
start: HEADER_OFFSET,
end: HEADER_OFFSET + 3,
length: 3,
content: [
jasmine.objectContaining({index: HEADER_OFFSET + 0, l: container}),
jasmine.objectContaining({index: HEADER_OFFSET + 1}),
jasmine.objectContaining({index: HEADER_OFFSET + 2, l: b}),
]
});
// This assertion shows that the translated DOM elements (and corresponding TNode's are stored
// in i18n section of LView)
expect(lViewDebug.i18n).toEqual({
start: lViewDebug.vars.end,
end: lViewDebug.expando.start,
length: 3,
content: [
jasmine.objectContaining({index: HEADER_OFFSET + 3, l: hello_}),
jasmine.objectContaining({index: HEADER_OFFSET + 4, l: world}),
jasmine.objectContaining({index: HEADER_OFFSET + 5, l: exclamation}),
]
});
// This assertion shows the DOM operations which the i18n subsystem performed to update the
// DOM with translated text. The offsets in the debug text should match the offsets in the
// above assertions.
expect((lView[TVIEW]!.data[HEADER_OFFSET + 1]! as TI18n).create.debug).toEqual([
'lView[3] = document.createTextNode("Hello ")',
'(lView[0] as Element).appendChild(lView[3])',
'(lView[0] as Element).appendChild(lView[2])',
'lView[4] = document.createTextNode("World")',
'(lView[2] as Element).appendChild(lView[4])',
'setPreviousOrParentTNode(tView.data[2] as TNode)',
'lView[5] = document.createTextNode("!")',
'(lView[0] as Element).appendChild(lView[5])',
]);
});
describe('ICU', () => {
// In the case of ICUs we can't create TNodes for each ICU part, as different ICU instances
// may have different selections active and hence have different shape. In such a case
// a single `TIcuContainerNode` should be generated only.
it('should create a single dynamic TNode for ICU', () => {
const fixture = initWithTemplate(AppComp, `
{count, plural,
=0 {just now}
=1 {one minute ago}
other {{{count}} minutes ago}
}
`);
const lView = getComponentLView(fixture.componentInstance);
const lViewDebug = lView.debug!;
expect((fixture.nativeElement as Element).textContent).toEqual('just now');
const text_just_now = (fixture.nativeElement as Element).firstChild!;
const icuComment = text_just_now.nextSibling!;
expect(lViewDebug.nodes.map(toTypeContent)).toEqual(['IcuContainer(<!--ICU 3-->)']);
// We want to ensure that the ICU container does not have any content!
// This is because the content is instance dependent and therefore can't be shared
// across `TNode`s.
expect(lViewDebug.nodes[0].children.map(toTypeContent)).toEqual([
'Element(just now)', // FIXME(misko): This should not be here. The content of the ICU is
// instance specific and as such can't be encoded in the tNodes.
]);
expect(lViewDebug.decls).toEqual({
start: HEADER_OFFSET,
end: HEADER_OFFSET + 1,
length: 1,
content: [
jasmine.objectContaining({
t: jasmine.objectContaining({
vars: 3, // one slot for: the `<!--ICU 3-->`
// one slot for: the last selected ICU case.
// one slot for: the actual text node to attach.
create: jasmine.any(Object),
update: jasmine.any(Object),
icus: [jasmine.any(Object)],
}),
l: null
}),
]
});
expect(((lViewDebug.decls.content[0].t as TI18n).create.debug)).toEqual([
'lView[3] = document.createComment("ICU 3")',
'(lView[0] as Element).appendChild(lView[3])',
]);
expect(((lViewDebug.decls.content[0].t as TI18n).update.debug)).toEqual([
'if (mask & 0b1) { icuSwitchCase(lView[3] as Comment, 0, `${lView[1]}`); }',
'if (mask & 0b11) { icuUpdateCase(lView[3] as Comment, 0); }',
]);
const tIcu = (lViewDebug.decls.content[0].t as TI18n).icus![0];
expect(tIcu.cases).toEqual(['0', '1', 'other']);
// Case: '0'
expect(tIcu.create[0].debug).toEqual([
'lView[5] = document.createTextNode("just now")',
'(lView[3] as Element).appendChild(lView[5])',
]);
expect(tIcu.remove[0].debug).toEqual(['(lView[0] as Element).remove(lView[5])']);
expect(tIcu.update[0].debug).toEqual([]);
// Case: '1'
expect(tIcu.create[1].debug).toEqual([
'lView[5] = document.createTextNode("one minute ago")',
'(lView[3] as Element).appendChild(lView[5])',
]);
expect(tIcu.remove[1].debug).toEqual(['(lView[0] as Element).remove(lView[5])']);
expect(tIcu.update[1].debug).toEqual([]);
// Case: 'other'
expect(tIcu.create[2].debug).toEqual([
'lView[5] = document.createTextNode("")',
'(lView[3] as Element).appendChild(lView[5])',
]);
expect(tIcu.remove[2].debug).toEqual(['(lView[0] as Element).remove(lView[5])']);
expect(tIcu.update[2].debug).toEqual([
'if (mask & 0b10) { (lView[5] as Text).textContent = `${lView[2]} minutes ago`; }'
]);
expect(lViewDebug.i18n).toEqual({
start: lViewDebug.vars.end,
end: lViewDebug.expando.start,
length: 3,
content: [
// ICU anchor `<!--ICU 3-->`.
jasmine.objectContaining({index: HEADER_OFFSET + 3, l: icuComment}),
// ICU `TIcu.currentCaseLViewIndex` storage location
jasmine.objectContaining({
index: HEADER_OFFSET + 4,
t: null,
l: 0, // The current ICU case
}),
jasmine.objectContaining({index: HEADER_OFFSET + 5, l: text_just_now}),
]
});
});
// FIXME(misko): re-enable and fix this use case.
xit('should support multiple ICUs', () => {
const fixture = initWithTemplate(AppComp, `
{count, plural,
=0 {just now}
=1 {one minute ago}
other {{{count}} minutes ago}
}
{count, plural,
=0 {just now}
=1 {one minute ago}
other {{{count}} minutes ago}
}
`);
const lView = getComponentLView(fixture.componentInstance);
expect(lView.debug!.nodes.map(toTypeContent)).toEqual(['IcuContainer(<!--ICU 3-->)']);
// We want to ensure that the ICU container does not have any content!
// This is because the content is instance dependent and therefore can't be shared
// across `TNode`s.
expect(lView.debug!.nodes[0].children.map(toTypeContent)).toEqual([]);
});
});
});
describe('should support ICU expressions', () => {
it('with no root node', () => {
loadTranslations({
@ -690,19 +905,19 @@ onlyInIvy('Ivy i18n logic').describe('runtime i18n', () => {
other {({{name}})}
}</div>`);
expect(fixture.nativeElement.innerHTML)
.toEqual(`<div>aucun <b>email</b>!<!--ICU 7--> - (Angular)<!--ICU 13--></div>`);
.toEqual(`<div>aucun <b>email</b>!<!--ICU 7--> - (Angular)<!--ICU 14--></div>`);
fixture.componentRef.instance.count = 4;
fixture.detectChanges();
expect(fixture.nativeElement.innerHTML)
.toEqual(
`<div>4 <span title="Angular">emails</span><!--ICU 7--> - (Angular)<!--ICU 13--></div>`);
`<div>4 <span title="Angular">emails</span><!--ICU 7--> - (Angular)<!--ICU 14--></div>`);
fixture.componentRef.instance.count = 0;
fixture.componentRef.instance.name = 'John';
fixture.detectChanges();
expect(fixture.nativeElement.innerHTML)
.toEqual(`<div>aucun <b>email</b>!<!--ICU 7--> - (John)<!--ICU 13--></div>`);
.toEqual(`<div>aucun <b>email</b>!<!--ICU 7--> - (John)<!--ICU 14--></div>`);
});
it('with custom interpolation config', () => {
@ -740,20 +955,20 @@ onlyInIvy('Ivy i18n logic').describe('runtime i18n', () => {
}</span></div>`);
expect(fixture.nativeElement.innerHTML)
.toEqual(
`<div><span>aucun <b>email</b>!<!--ICU 9--></span> - <span>(Angular)<!--ICU 15--></span></div>`);
`<div><span>aucun <b>email</b>!<!--ICU 9--></span> - <span>(Angular)<!--ICU 16--></span></div>`);
fixture.componentRef.instance.count = 4;
fixture.detectChanges();
expect(fixture.nativeElement.innerHTML)
.toEqual(
`<div><span>4 <span title="Angular">emails</span><!--ICU 9--></span> - <span>(Angular)<!--ICU 15--></span></div>`);
`<div><span>4 <span title="Angular">emails</span><!--ICU 9--></span> - <span>(Angular)<!--ICU 16--></span></div>`);
fixture.componentRef.instance.count = 0;
fixture.componentRef.instance.name = 'John';
fixture.detectChanges();
expect(fixture.nativeElement.innerHTML)
.toEqual(
`<div><span>aucun <b>email</b>!<!--ICU 9--></span> - <span>(John)<!--ICU 15--></span></div>`);
`<div><span>aucun <b>email</b>!<!--ICU 9--></span> - <span>(John)<!--ICU 16--></span></div>`);
});
it('inside template directives', () => {
@ -1435,6 +1650,54 @@ onlyInIvy('Ivy i18n logic').describe('runtime i18n', () => {
// checking the second ICU case
expect(fixture.nativeElement.textContent.trim()).toBe('deux articles');
});
// FIXME(misko): re-enable and fix this use case. Root cause is that
// `addRemoveViewFromContainer` needs to understand ICU
xit('should handle select expressions without an `other` parameter inside a template', () => {
const fixture = initWithTemplate(AppComp, `
<ng-container *ngFor="let item of items">{item.value, select, 0 {A} 1 {B} 2 {C}}</ng-container>
`);
fixture.componentInstance.items = [{value: 0}, {value: 1}, {value: 1337}];
fixture.detectChanges();
const p = fixture.nativeElement.querySelector('p');
const lContext = loadLContext(p);
const lView = lContext.lView;
const nodeIndex = lContext.nodeIndex;
const tView = lView[TVIEW];
const i18n = tView.data[nodeIndex + 1] as unknown as TI18n;
expect(fixture.nativeElement.textContent.trim()).toBe('AB');
fixture.componentInstance.items[0].value = 2;
fixture.detectChanges();
expect(fixture.nativeElement.textContent.trim()).toBe('CB');
fail('testing');
});
it('should render an element whose case did not match initially', () => {
const fixture = initWithTemplate(AppComp, `
<p *ngFor="let item of items">{item.value, select, 0 {A} 1 {B} 2 {C}}</p>
`);
fixture.componentInstance.items = [{value: 0}, {value: 1}, {value: 1337}];
fixture.detectChanges();
expect(fixture.nativeElement.textContent.trim()).toBe('AB');
fixture.componentInstance.items[2].value = 2;
fixture.detectChanges();
expect(fixture.nativeElement.textContent.trim()).toBe('ABC');
});
it('should remove an element whose case matched initially, but does not anymore', () => {
const fixture = initWithTemplate(AppComp, `
<p *ngFor="let item of items">{item.value, select, 0 {A} 1 {B} 2 {C}}</p>
`);
fixture.componentInstance.items = [{value: 0}, {value: 1}];
fixture.detectChanges();
expect(fixture.nativeElement.textContent.trim()).toBe('AB');
fixture.componentInstance.items[0].value = 1337;
fixture.detectChanges();
expect(fixture.nativeElement.textContent.trim()).toBe('B');
});
});
describe('should support attributes', () => {

View File

@ -261,7 +261,7 @@ describe('Runtime i18n', () => {
}, null, nbConsts, index) as TI18n;
expect(opCodes).toEqual({
vars: 5,
vars: 6,
update: debugMatch([
'if (mask & 0b1) { icuSwitchCase(lView[1] as Comment, 0, `${lView[1]}`); }',
'if (mask & 0b11) { icuUpdateCase(lView[1] as Comment, 0); }',
@ -272,60 +272,61 @@ describe('Runtime i18n', () => {
]),
icus: [<TIcu>{
type: 1,
vars: [4, 3, 3],
currentCaseLViewIndex: 22,
vars: [5, 4, 4],
childIcus: [[], [], []],
cases: ['0', '1', 'other'],
create: [
debugMatch([
'lView[2] = document.createTextNode("no ")',
'(lView[1] as Element).appendChild(lView[2])',
'lView[3] = document.createElement("b")',
'lView[3] = document.createTextNode("no ")',
'(lView[1] as Element).appendChild(lView[3])',
'(lView[3] as Element).setAttribute("title", "none")',
'lView[4] = document.createTextNode("emails")',
'(lView[3] as Element).appendChild(lView[4])',
'lView[5] = document.createTextNode("!")',
'(lView[1] as Element).appendChild(lView[5])'
'lView[4] = document.createElement("b")',
'(lView[1] as Element).appendChild(lView[4])',
'(lView[4] as Element).setAttribute("title", "none")',
'lView[5] = document.createTextNode("emails")',
'(lView[4] as Element).appendChild(lView[5])',
'lView[6] = document.createTextNode("!")',
'(lView[1] as Element).appendChild(lView[6])',
]),
debugMatch([
'lView[2] = document.createTextNode("one ")',
'(lView[1] as Element).appendChild(lView[2])',
'lView[3] = document.createElement("i")',
'lView[3] = document.createTextNode("one ")',
'(lView[1] as Element).appendChild(lView[3])',
'lView[4] = document.createTextNode("email")',
'(lView[3] as Element).appendChild(lView[4])'
'lView[4] = document.createElement("i")',
'(lView[1] as Element).appendChild(lView[4])',
'lView[5] = document.createTextNode("email")',
'(lView[4] as Element).appendChild(lView[5])',
]),
debugMatch([
'lView[2] = document.createTextNode("")',
'(lView[1] as Element).appendChild(lView[2])',
'lView[3] = document.createElement("span")',
'lView[3] = document.createTextNode("")',
'(lView[1] as Element).appendChild(lView[3])',
'lView[4] = document.createTextNode("emails")',
'(lView[3] as Element).appendChild(lView[4])'
'lView[4] = document.createElement("span")',
'(lView[1] as Element).appendChild(lView[4])',
'lView[5] = document.createTextNode("emails")',
'(lView[4] as Element).appendChild(lView[5])',
])
],
remove: [
debugMatch([
'(lView[0] as Element).remove(lView[2])',
'(lView[0] as Element).remove(lView[4])',
'(lView[0] as Element).remove(lView[3])',
'(lView[0] as Element).remove(lView[5])',
'(lView[0] as Element).remove(lView[4])',
'(lView[0] as Element).remove(lView[6])',
]),
debugMatch([
'(lView[0] as Element).remove(lView[2])',
'(lView[0] as Element).remove(lView[4])',
'(lView[0] as Element).remove(lView[3])',
'(lView[0] as Element).remove(lView[5])',
'(lView[0] as Element).remove(lView[4])',
]),
debugMatch([
'(lView[0] as Element).remove(lView[2])',
'(lView[0] as Element).remove(lView[4])',
'(lView[0] as Element).remove(lView[3])',
'(lView[0] as Element).remove(lView[5])',
'(lView[0] as Element).remove(lView[4])',
])
],
update: [
debugMatch([]), debugMatch([]), debugMatch([
'if (mask & 0b1) { (lView[2] as Text).textContent = `${lView[1]} `; }',
'if (mask & 0b10) { (lView[3] as Element).setAttribute(\'title\', `${lView[2]}`); }'
'if (mask & 0b1) { (lView[3] as Text).textContent = `${lView[1]} `; }',
'if (mask & 0b10) { (lView[4] as Element).setAttribute(\'title\', `${lView[2]}`); }'
])
]
}]
@ -355,7 +356,7 @@ describe('Runtime i18n', () => {
const nestedTIcuIndex = 0;
expect(opCodes).toEqual({
vars: 6,
vars: 9,
create: debugMatch([
'lView[1] = document.createComment("ICU 1")',
'(lView[0] as Element).appendChild(lView[1])'
@ -367,27 +368,28 @@ describe('Runtime i18n', () => {
icus: [
{
type: 0,
vars: [1, 1, 1],
vars: [2, 2, 2],
currentCaseLViewIndex: 26,
childIcus: [[], [], []],
cases: ['cat', 'dog', 'other'],
create: [
debugMatch([
'lView[5] = document.createTextNode("cats")',
'(lView[3] as Element).appendChild(lView[5])'
'lView[7] = document.createTextNode("cats")',
'(lView[4] as Element).appendChild(lView[7])'
]),
debugMatch([
'lView[5] = document.createTextNode("dogs")',
'(lView[3] as Element).appendChild(lView[5])'
'lView[7] = document.createTextNode("dogs")',
'(lView[4] as Element).appendChild(lView[7])'
]),
debugMatch([
'lView[5] = document.createTextNode("animals")',
'(lView[3] as Element).appendChild(lView[5])'
'lView[7] = document.createTextNode("animals")',
'(lView[4] as Element).appendChild(lView[7])'
]),
],
remove: [
debugMatch(['(lView[0] as Element).remove(lView[5])']),
debugMatch(['(lView[0] as Element).remove(lView[5])']),
debugMatch(['(lView[0] as Element).remove(lView[5])'])
debugMatch(['(lView[0] as Element).remove(lView[7])']),
debugMatch(['(lView[0] as Element).remove(lView[7])']),
debugMatch(['(lView[0] as Element).remove(lView[7])'])
],
update: [
debugMatch([]),
@ -397,36 +399,37 @@ describe('Runtime i18n', () => {
},
{
type: 1,
vars: [1, 4],
vars: [2, 6],
childIcus: [[], [0]],
currentCaseLViewIndex: 22,
cases: ['0', 'other'],
create: [
debugMatch([
'lView[2] = document.createTextNode("zero")',
'(lView[1] as Element).appendChild(lView[2])'
'lView[3] = document.createTextNode("zero")',
'(lView[1] as Element).appendChild(lView[3])'
]),
debugMatch([
'lView[2] = document.createTextNode("")',
'(lView[1] as Element).appendChild(lView[2])',
'lView[3] = document.createComment("nested ICU 0")',
'lView[3] = document.createTextNode("")',
'(lView[1] as Element).appendChild(lView[3])',
'lView[4] = document.createTextNode("!")',
'(lView[1] as Element).appendChild(lView[4])'
'lView[4] = document.createComment("nested ICU 0")',
'(lView[1] as Element).appendChild(lView[4])',
'lView[5] = document.createTextNode("!")',
'(lView[1] as Element).appendChild(lView[5])'
]),
],
remove: [
debugMatch(['(lView[0] as Element).remove(lView[2])']),
debugMatch(['(lView[0] as Element).remove(lView[3])']),
debugMatch([
'(lView[0] as Element).remove(lView[2])', '(lView[0] as Element).remove(lView[4])',
'removeNestedICU(0)', '(lView[0] as Element).remove(lView[3])'
'(lView[0] as Element).remove(lView[3])', '(lView[0] as Element).remove(lView[5])',
'removeNestedICU(0)', '(lView[0] as Element).remove(lView[4])'
]),
],
update: [
debugMatch([]),
debugMatch([
'if (mask & 0b1) { (lView[2] as Text).textContent = `${lView[1]} `; }',
'if (mask & 0b10) { icuSwitchCase(lView[3] as Comment, 0, `${lView[2]}`); }',
'if (mask & 0b10) { icuUpdateCase(lView[3] as Comment, 0); }'
'if (mask & 0b1) { (lView[3] as Text).textContent = `${lView[1]} `; }',
'if (mask & 0b10) { icuSwitchCase(lView[4] as Comment, 0, `${lView[2]}`); }',
'if (mask & 0b10) { icuUpdateCase(lView[4] as Comment, 0); }'
]),
]
}