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perf(core): add option to remove blank text nodes from compiled templates

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This commit is contained in:
Pawel Kozlowski
2017-07-28 15:58:28 +02:00
committed by Hans
parent 088532bf2e
commit d2c0d986d4
27 changed files with 450 additions and 46 deletions
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4
packages/compiler/src/jit/compiler.ts
View File

@ -262,6 +262,7 @@ export class JitCompiler implements Compiler {
const externalStylesheetsByModuleUrl = new Map<string, CompiledStylesheet>();
const outputContext = createOutputContext();
const componentStylesheet = this._styleCompiler.compileComponent(outputContext, compMeta);
const preserveWhitespaces = compMeta !.template !.preserveWhitespaces;
compMeta.template !.externalStylesheets.forEach((stylesheetMeta) => {
const compiledStylesheet =
this._styleCompiler.compileStyles(createOutputContext(), compMeta, stylesheetMeta);
@ -274,7 +275,8 @@ export class JitCompiler implements Compiler {
pipe => this._metadataResolver.getPipeSummary(pipe.reference));
const {template: parsedTemplate, pipes: usedPipes} = this._templateParser.parse(
compMeta, compMeta.template !.template !, directives, pipes, template.ngModule.schemas,
templateSourceUrl(template.ngModule.type, template.compMeta, template.compMeta.template !));
templateSourceUrl(template.ngModule.type, template.compMeta, template.compMeta.template !),
preserveWhitespaces);
const compileResult = this._viewCompiler.compileComponent(
outputContext, compMeta, parsedTemplate, ir.variable(componentStylesheet.stylesVar),
usedPipes);

3
packages/compiler/src/jit/compiler_factory.ts
View File

@ -123,6 +123,7 @@ export class JitCompilerFactory implements CompilerFactory {
defaultEncapsulation: ViewEncapsulation.Emulated,
missingTranslation: MissingTranslationStrategy.Warning,
enableLegacyTemplate: true,
preserveWhitespaces: true,
};
this._defaultOptions = [compilerOptions, ...defaultOptions];
@ -142,6 +143,7 @@ export class JitCompilerFactory implements CompilerFactory {
defaultEncapsulation: opts.defaultEncapsulation,
missingTranslation: opts.missingTranslation,
enableLegacyTemplate: opts.enableLegacyTemplate,
preserveWhitespaces: opts.preserveWhitespaces,
});
},
deps: []
@ -169,6 +171,7 @@ function _mergeOptions(optionsArr: CompilerOptions[]): CompilerOptions {
providers: _mergeArrays(optionsArr.map(options => options.providers !)),
missingTranslation: _lastDefined(optionsArr.map(options => options.missingTranslation)),
enableLegacyTemplate: _lastDefined(optionsArr.map(options => options.enableLegacyTemplate)),
preserveWhitespaces: _lastDefined(optionsArr.map(options => options.preserveWhitespaces)),
};
}