feat(ivy): i18n compiler support for element attributes (#26280)

PR Close #26280

packages/core/src/core_render3_private_export.ts

@@ -105,6 +105,10 @@ export {
   PipeDef as ɵPipeDef,
   PipeDefWithMeta as ɵPipeDefWithMeta,
   whenRendered as ɵwhenRendered,
+  i18nAttribute as ɵi18nAttribute,
+  i18nExp as ɵi18nExp,
+  i18nStart as ɵi18nStart,
+  i18nEnd as ɵi18nEnd,
   i18nApply as ɵi18nApply,
   i18nExpMapping as ɵi18nExpMapping,
   i18nInterpolation1 as ɵi18nInterpolation1,

packages/core/src/render3/i18n.ts

@@ -283,6 +283,22 @@ function appendI18nNode(
   return tNode;
 }
 
+export function i18nAttribute(index: number, attrs: any[]): void {
+  // placeholder for i18nAttribute function
+}
+
+export function i18nExp(expression: any): void {
+  // placeholder for i18nExp function
+}
+
+export function i18nStart(index: number, message: string, subTemplateIndex: number = 0): void {
+  // placeholder for i18nExp function
+}
+
+export function i18nEnd(): void {
+  // placeholder for i18nEnd function
+}
+
 /**
  * Takes a list of instructions generated by `i18nMapping()` to transform the template accordingly.
  *

packages/core/src/render3/index.ts

@@ -86,6 +86,10 @@ export {
 } from './instructions';
 
 export {
+  i18nAttribute,
+  i18nExp,
+  i18nStart,
+  i18nEnd,
   i18nApply,
   i18nMapping,
   i18nInterpolation1,

packages/core/src/render3/jit/environment.ts

@@ -98,6 +98,11 @@ export const angularCoreEnv: {[name: string]: Function} = {
   'ɵtextBinding': r3.textBinding,
   'ɵembeddedViewStart': r3.embeddedViewStart,
   'ɵembeddedViewEnd': r3.embeddedViewEnd,
+  'ɵi18nAttribute': r3.i18nAttribute,
+  'ɵi18nExp': r3.i18nExp,
+  'ɵi18nStart': r3.i18nStart,
+  'ɵi18nEnd': r3.i18nEnd,
+  'ɵi18nApply': r3.i18nApply,
 
   'ɵsanitizeHtml': sanitization.sanitizeHtml,
   'ɵsanitizeStyle': sanitization.sanitizeStyle,