edd5f5a333
We now create 2 programs with exactly the same fileNames and
exactly the same `import` / `export` declarations,
allowing TS to reuse the structure of first program
completely. When passing in an oldProgram and the files didn’t change,
TS can also reuse the old program completely.
This is possible buy adding generated files to TS
in `host.geSourceFile` via `ts.SourceFile.referencedFiles`.
This commit also:
- has a minor side effect on how we generate shared stylesheets:
- previously every import in a stylesheet would generate a new
`.ngstyles.ts` file.
- now, we only generate 1 `.ngstyles.ts` file per entry in `@Component.styleUrls`.
This was required as we need to be able to determine the program files
without loading the resources (which can be async).
- makes all angular related methods in `CompilerHost`
optional, allowing to just use a regular `ts.CompilerHost` as `CompilerHost`.
- simplifies the logic around `Compiler.analyzeNgModules` by introducing `NgAnalyzedFile`.
Perf impact: 1.5s improvement in compiling angular io
PR Close #19275
23 lines
1.2 KiB
TypeScript
23 lines
1.2 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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The API from compiler-cli that language-service can see.
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It is important that none the exported modules require anything other than
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Angular modules and Typescript as this will indirectly add a dependency
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to the language service.
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*/
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export {CompilerHost, CompilerHostContext, ModuleResolutionHostAdapter, NodeCompilerHostContext} from './compiler_host';
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export {DiagnosticTemplateInfo, ExpressionDiagnostic, getExpressionDiagnostics, getExpressionScope, getTemplateExpressionDiagnostics} from './diagnostics/expression_diagnostics';
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export {AstType, DiagnosticKind, ExpressionDiagnosticsContext, TypeDiagnostic} from './diagnostics/expression_type';
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export {BuiltinType, DeclarationKind, Definition, Location, PipeInfo, Pipes, Signature, Span, Symbol, SymbolDeclaration, SymbolQuery, SymbolTable} from './diagnostics/symbols';
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export {getClassFromStaticSymbol, getClassMembers, getClassMembersFromDeclaration, getPipesTable, getSymbolQuery} from './diagnostics/typescript_symbols';
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export {CompilerOptions} from './transformers/api';
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