refactor(compiler): remove unused code and exports

Removes unused code and exports that are no longer referenced anywhere
in the compiler codebase.

Author: MeAkib

packages/compiler/src/constant_pool.ts

@@ -79,7 +79,6 @@ class FixupExpression extends o.Expression {
 export class ConstantPool {
   statements: o.Statement[] = [];
   private literals = new Map<string, FixupExpression>();
-  private literalFactories = new Map<string, o.Expression>();
   private sharedConstants = new Map<string, o.Expression>();
 
   /**
@@ -90,8 +89,6 @@ export class ConstantPool {
    */
   private _claimedNames = new Map<string, number>();
 
-  private nextNameIndex = 0;
-
   constructor(private readonly isClosureCompilerEnabled: boolean = false) {}
 
   getConstLiteral(literal: o.Expression, forceShared?: boolean): o.Expression {

packages/compiler/src/output/map_util.ts

@@ -16,10 +16,6 @@ export type MapEntry = {
 
 export type MapLiteral = MapEntry[];
 
-export function mapEntry(key: string, value: o.Expression): MapEntry {
-  return {key, value, quoted: false};
-}
-
 export function mapLiteral(
   obj: {[key: string]: o.Expression},
   quoted: boolean = false,

packages/compiler/src/render3/partial/component.ts

@@ -79,7 +79,7 @@ export function compileDeclareComponentFromMetadata(
 /**
  * Gathers the declaration fields for a component into a `DefinitionMap`.
  */
-export function createComponentDefinitionMap(
+function createComponentDefinitionMap(
   meta: R3ComponentMetadata<R3TemplateDependencyMetadata>,
   template: ParsedTemplate,
   templateInfo: DeclareComponentTemplateInfo,

packages/compiler/src/render3/partial/injectable.ts

@@ -40,7 +40,7 @@ export function compileDeclareInjectableFromMetadata(
 /**
  * Gathers the declaration fields for a Injectable into a `DefinitionMap`.
  */
-export function createInjectableDefinitionMap(
+function createInjectableDefinitionMap(
   meta: R3InjectableMetadata,
 ): DefinitionMap<R3DeclareInjectableMetadata> {
   const definitionMap = new DefinitionMap<R3DeclareInjectableMetadata>();

packages/compiler/src/render3/partial/pipe.ts

@@ -37,9 +37,7 @@ export function compileDeclarePipeFromMetadata(meta: R3PipeMetadata): R3Compiled
 /**
  * Gathers the declaration fields for a Pipe into a `DefinitionMap`.
  */
-export function createPipeDefinitionMap(
-  meta: R3PipeMetadata,
-): DefinitionMap<R3DeclarePipeMetadata> {
+function createPipeDefinitionMap(meta: R3PipeMetadata): DefinitionMap<R3DeclarePipeMetadata> {
   const definitionMap = new DefinitionMap<R3DeclarePipeMetadata>();
 
   definitionMap.set('minVersion', o.literal(MINIMUM_PARTIAL_LINKER_VERSION));

packages/compiler/src/render3/partial/service.ts

@@ -37,7 +37,7 @@ export function compileDeclareServiceFromMetadata(meta: R3ServiceMetadata): R3Co
 /**
  * Gathers the declaration fields for a Service into a `DefinitionMap`.
  */
-export function createServiceDefinitionMap(
+function createServiceDefinitionMap(
   meta: R3ServiceMetadata,
 ): DefinitionMap<R3DeclareServiceMetadata> {
   const definitionMap = new DefinitionMap<R3DeclareServiceMetadata>();

packages/compiler/src/render3/r3_factory.ts

@@ -316,16 +316,12 @@ function createCtorDepType(dep: R3DependencyMetadata): o.LiteralMapExpr | null {
   return entries.length > 0 ? o.literalMap(entries) : null;
 }
 
-export function isDelegatedFactoryMetadata(
-  meta: R3FactoryMetadata,
-): meta is R3DelegatedFnOrClassMetadata {
-  return (meta as R3DelegatedFnOrClassMetadata).delegateType !== undefined;
+function isDelegatedFactoryMetadata(meta: R3FactoryMetadata): meta is R3DelegatedFnOrClassMetadata {
+  return (meta as any).delegateType !== undefined;
 }
 
-export function isExpressionFactoryMetadata(
-  meta: R3FactoryMetadata,
-): meta is R3ExpressionFactoryMetadata {
-  return (meta as R3ExpressionFactoryMetadata).expression !== undefined;
+function isExpressionFactoryMetadata(meta: R3FactoryMetadata): meta is R3ExpressionFactoryMetadata {
+  return (meta as any).expression !== undefined;
 }
 
 function getInjectFn(target: FactoryTarget): o.ExternalReference {

packages/compiler/src/render3/util.ts

@@ -45,24 +45,11 @@ export interface R3CompiledExpression {
   statements: o.Statement[];
 }
 
-const LEGACY_ANIMATE_SYMBOL_PREFIX = '@';
-export function prepareSyntheticPropertyName(name: string) {
-  return `${LEGACY_ANIMATE_SYMBOL_PREFIX}${name}`;
-}
-
-export function prepareSyntheticListenerName(name: string, phase: string) {
-  return `${LEGACY_ANIMATE_SYMBOL_PREFIX}${name}.${phase}`;
-}
-
 export function getSafePropertyAccessString(accessor: string, name: string): string {
   const escapedName = escapeIdentifier(name, false);
   return escapedName !== name ? `${accessor}[${escapedName}]` : `${accessor}.${name}`;
 }
 
-export function prepareSyntheticListenerFunctionName(name: string, phase: string) {
-  return `animation_${name}_${phase}`;
-}
-
 export function jitOnlyGuardedExpression(expr: o.Expression): o.Expression {
   return guardedExpression('ngJitMode', expr);
 }
@@ -71,7 +58,7 @@ export function devOnlyGuardedExpression(expr: o.Expression): o.Expression {
   return guardedExpression('ngDevMode', expr);
 }
 
-export function guardedExpression(guard: string, expr: o.Expression): o.Expression {
+function guardedExpression(guard: string, expr: o.Expression): o.Expression {
   const guardExpr = new o.ExternalExpr({name: guard, moduleName: null});
   const guardNotDefined = new o.BinaryOperatorExpr(
     o.BinaryOperator.Identical,

packages/compiler/src/render3/view/query_generation.ts

@@ -64,10 +64,7 @@ function toQueryFlags(query: R3QueryMetadata): number {
   );
 }
 
-export function getQueryPredicate(
-  query: R3QueryMetadata,
-  constantPool: ConstantPool,
-): o.Expression {
+function getQueryPredicate(query: R3QueryMetadata, constantPool: ConstantPool): o.Expression {
   if (Array.isArray(query.predicate)) {
     let predicate: o.Expression[] = [];
     query.predicate.forEach((selector: string): void => {

packages/compiler/src/render3/view/util.ts

@@ -44,12 +44,6 @@ export function temporaryAllocator(
   };
 }
 
-export function invalid<T>(this: t.Visitor, arg: o.Expression | o.Statement | t.Node): never {
-  throw new Error(
-    `Invalid state: Visitor ${this.constructor.name} doesn't handle ${arg.constructor.name}`,
-  );
-}
-
 export function asLiteral(value: any): o.Expression {
   if (Array.isArray(value)) {
     return o.literalArr(value.map(asLiteral));