* Allocate space in i18n Range add create OpCode instruction to create a text or comment node. * * @param tView Current `TView` needed to allocate space in i18n range. * @param rootTNode Root `TNode` of the i18n block. This node determines if the new TNode will be * added as part of the `i18
( tView: TView, rootTNode: TNode | null, existingTNodes: TNode[], lView: LView, createOpCodes: I18nCreateOpCodes, text: string | null, isICU: boolean, )
| 260 | * @param isICU true if a `Comment` node for ICU (instead of `Text`) node should be created. |
| 261 | */ |
| 262 | function createTNodeAndAddOpCode( |
| 263 | tView: TView, |
| 264 | rootTNode: TNode | null, |
| 265 | existingTNodes: TNode[], |
| 266 | lView: LView, |
| 267 | createOpCodes: I18nCreateOpCodes, |
| 268 | text: string | null, |
| 269 | isICU: boolean, |
| 270 | ): TNode { |
| 271 | const i18nNodeIdx = allocExpando(tView, lView, 1, null); |
| 272 | let opCode = i18nNodeIdx << I18nCreateOpCode.SHIFT; |
| 273 | let parentTNode = getCurrentParentTNode(); |
| 274 | |
| 275 | if (rootTNode === parentTNode) { |
| 276 | // FIXME(misko): A null `parentTNode` should represent when we fall of the `LView` boundary. |
| 277 | // (there is no parent), but in some circumstances (because we are inconsistent about how we set |
| 278 | // `previousOrParentTNode`) it could point to `rootTNode` So this is a work around. |
| 279 | parentTNode = null; |
| 280 | } |
| 281 | if (parentTNode === null) { |
| 282 | // If we don't have a parent that means that we can eagerly add nodes. |
| 283 | // If we have a parent than these nodes can't be added now (as the parent has not been created |
| 284 | // yet) and instead the `parentTNode` is responsible for adding it. See |
| 285 | // `TNode.insertBeforeIndex` |
| 286 | opCode |= I18nCreateOpCode.APPEND_EAGERLY; |
| 287 | } |
| 288 | if (isICU) { |
| 289 | opCode |= I18nCreateOpCode.COMMENT; |
| 290 | ensureIcuContainerVisitorLoaded(loadIcuContainerVisitor); |
| 291 | } |
| 292 | createOpCodes.push(opCode, text === null ? '' : text); |
| 293 | // We store `{{?}}` so that when looking at debug `TNodeType.template` we can see where the |
| 294 | // bindings are. |
| 295 | const tNode = createTNodeAtIndex( |
| 296 | tView, |
| 297 | i18nNodeIdx, |
| 298 | isICU ? TNodeType.Icu : TNodeType.Text, |
| 299 | text === null ? (ngDevMode ? '{{?}}' : '') : text, |
| 300 | null, |
| 301 | ); |
| 302 | addTNodeAndUpdateInsertBeforeIndex(existingTNodes, tNode); |
| 303 | const tNodeIdx = tNode.index; |
| 304 | setCurrentTNode(tNode, false /* Text nodes are self closing */); |
| 305 | if (parentTNode !== null && rootTNode !== parentTNode) { |
| 306 | // We are a child of deeper node (rather than a direct child of `i18nStart` instruction.) |
| 307 | // We have to make sure to add ourselves to the parent. |
| 308 | setTNodeInsertBeforeIndex(parentTNode, tNodeIdx); |
| 309 | } |
| 310 | return tNode; |
| 311 | } |
| 312 | |
| 313 | /** |
| 314 | * Processes text node in i18n block. |
no test coverage detected