08a4f10ee7
This commit transforms the setClassMetadata calls generated by ngtsc from:
```typescript
/*@__PURE__*/ setClassMetadata(...);
```
to:
```typescript
/*@__PURE__*/ (function() {
setClassMetadata(...);
})();
```
Without the IIFE, terser won't remove these function calls because the
function calls have arguments that themselves are function calls or other
impure expressions. In order to make the whole block be DCE-ed by terser,
we wrap it into IIFE and mark the IIFE as pure.
It should be noted that this change doesn't have any impact on CLI* with
build-optimizer, which removes the whole setClassMetadata block within
the webpack loader, so terser or webpack itself don't get to see it at
all. This is done to prevent cross-chunk retention issues caused by
webpack's internal module registry.
* actually we do expect a short-term size regression while
https://github.com/angular/angular-cli/pull/16228
is merged and released in the next rc of the CLI. But long term this
change does nothing to CLI + build-optimizer configuration and is done
primarly to correct the seemingly correct but non-function PURE annotation
that builds not using build-optimizer could rely on.
PR Close #33337
111 lines
5.7 KiB
TypeScript
111 lines
5.7 KiB
TypeScript
/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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//////////////////////////////////////
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// THIS FILE HAS GLOBAL SIDE EFFECT //
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// (see bottom of file) //
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//////////////////////////////////////
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/**
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* @module
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* @description
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* Entry point for all APIs of the compiler package.
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*
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* <div class="callout is-critical">
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* <header>Unstable APIs</header>
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* <p>
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* All compiler apis are currently considered experimental and private!
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* </p>
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* <p>
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* We expect the APIs in this package to keep on changing. Do not rely on them.
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* </p>
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* </div>
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*/
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import * as core from './core';
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import {publishFacade} from './jit_compiler_facade';
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import {global} from './util';
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export {CUSTOM_ELEMENTS_SCHEMA, NO_ERRORS_SCHEMA, SchemaMetadata} from './core';
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export {core};
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export * from './version';
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export * from './template_parser/template_ast';
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export {CompilerConfig, preserveWhitespacesDefault} from './config';
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export * from './compile_metadata';
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export * from './aot/compiler_factory';
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export * from './aot/compiler';
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export * from './aot/generated_file';
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export * from './aot/compiler_options';
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export * from './aot/compiler_host';
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export * from './aot/formatted_error';
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export * from './aot/partial_module';
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export * from './aot/static_reflector';
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export * from './aot/static_symbol';
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export * from './aot/static_symbol_resolver';
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export * from './aot/summary_resolver';
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export {isLoweredSymbol, createLoweredSymbol} from './aot/util';
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export {LazyRoute} from './aot/lazy_routes';
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export * from './ast_path';
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export * from './summary_resolver';
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export {Identifiers} from './identifiers';
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export {JitCompiler} from './jit/compiler';
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export * from './compile_reflector';
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export * from './url_resolver';
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export * from './resource_loader';
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export {ConstantPool} from './constant_pool';
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export {DirectiveResolver} from './directive_resolver';
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export {PipeResolver} from './pipe_resolver';
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export {NgModuleResolver} from './ng_module_resolver';
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export {DEFAULT_INTERPOLATION_CONFIG, InterpolationConfig} from './ml_parser/interpolation_config';
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export * from './schema/element_schema_registry';
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export * from './i18n/index';
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export * from './directive_normalizer';
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export * from './expression_parser/ast';
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export * from './expression_parser/lexer';
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export * from './expression_parser/parser';
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export * from './metadata_resolver';
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export * from './ml_parser/ast';
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export * from './ml_parser/html_parser';
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export * from './ml_parser/html_tags';
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export * from './ml_parser/interpolation_config';
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export * from './ml_parser/tags';
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export {LexerRange} from './ml_parser/lexer';
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export * from './ml_parser/xml_parser';
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export {NgModuleCompiler} from './ng_module_compiler';
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export {ArrayType, AssertNotNull, DYNAMIC_TYPE, BinaryOperator, BinaryOperatorExpr, BuiltinMethod, BuiltinType, BuiltinTypeName, BuiltinVar, CastExpr, ClassField, ClassMethod, ClassStmt, CommaExpr, CommentStmt, ConditionalExpr, DeclareFunctionStmt, DeclareVarStmt, Expression, ExpressionStatement, ExpressionType, ExpressionVisitor, ExternalExpr, ExternalReference, literalMap, FunctionExpr, IfStmt, InstantiateExpr, InvokeFunctionExpr, InvokeMethodExpr, JSDocCommentStmt, LiteralArrayExpr, LiteralExpr, LiteralMapExpr, MapType, NotExpr, NONE_TYPE, ReadKeyExpr, ReadPropExpr, ReadVarExpr, ReturnStatement, StatementVisitor, ThrowStmt, TryCatchStmt, Type, TypeVisitor, WrappedNodeExpr, WriteKeyExpr, WritePropExpr, WriteVarExpr, StmtModifier, Statement, STRING_TYPE, TypeofExpr, collectExternalReferences} from './output/output_ast';
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export {EmitterVisitorContext} from './output/abstract_emitter';
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export {JitEvaluator} from './output/output_jit';
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export * from './output/ts_emitter';
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export * from './parse_util';
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export * from './schema/dom_element_schema_registry';
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export * from './selector';
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export * from './style_compiler';
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export * from './template_parser/template_parser';
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export {ViewCompiler} from './view_compiler/view_compiler';
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export {getParseErrors, isSyntaxError, syntaxError, Version} from './util';
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export {SourceMap} from './output/source_map';
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export * from './injectable_compiler_2';
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export * from './render3/view/api';
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export {BoundAttribute as TmplAstBoundAttribute, BoundEvent as TmplAstBoundEvent, BoundText as TmplAstBoundText, Content as TmplAstContent, Element as TmplAstElement, Node as TmplAstNode, RecursiveVisitor as TmplAstRecursiveVisitor, Reference as TmplAstReference, Template as TmplAstTemplate, Text as TmplAstText, TextAttribute as TmplAstTextAttribute, Variable as TmplAstVariable,} from './render3/r3_ast';
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export * from './render3/view/t2_api';
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export * from './render3/view/t2_binder';
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export {Identifiers as R3Identifiers} from './render3/r3_identifiers';
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export {R3DependencyMetadata, R3ResolvedDependencyType, compileFactoryFunction, R3FactoryMetadata, R3FactoryTarget} from './render3/r3_factory';
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export {compileInjector, compileNgModule, R3InjectorMetadata, R3NgModuleMetadata} from './render3/r3_module_compiler';
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export {compilePipeFromMetadata, R3PipeMetadata} from './render3/r3_pipe_compiler';
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export {makeBindingParser, parseTemplate, ParseTemplateOptions} from './render3/view/template';
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export {R3Reference} from './render3/util';
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export {compileComponentFromMetadata, compileDirectiveFromMetadata, parseHostBindings, ParsedHostBindings, verifyHostBindings} from './render3/view/compiler';
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export {publishFacade} from './jit_compiler_facade';
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// This file only reexports content of the `src` folder. Keep it that way.
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// This function call has a global side effects and publishes the compiler into global namespace for
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// the late binding of the Compiler to the @angular/core for jit compilation.
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publishFacade(global);
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