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All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n\n/**\n * Extract i18n messages from source code\n */\n// Must be imported first, because angular2 decorators throws on load.\nimport 'reflect-metadata';\n\nimport * as compiler from '@angular/compiler';\nimport {ViewEncapsulation} from '@angular/core';\nimport * as tsc from '@angular/tsc-wrapped';\nimport * as ts from 'typescript';\n\nimport {extractProgramSymbols} from './codegen';\nimport {ReflectorHost} from './reflector_host';\nimport {StaticAndDynamicReflectionCapabilities} from './static_reflection_capabilities';\nimport {StaticReflector, StaticSymbol} from './static_reflector';\n\nexport class Extractor {\n constructor(\n private options: tsc.AngularCompilerOptions, private program: ts.Program,\n public host: ts.CompilerHost, private staticReflector: StaticReflector,\n private messageBundle: compiler.MessageBundle, private reflectorHost: ReflectorHost,\n private metadataResolver: compiler.CompileMetadataResolver) {}\n\n extract(): Promise<compiler.MessageBundle> {\n const programSymbols: StaticSymbol[] =\n extractProgramSymbols(this.program, this.staticReflector, this.reflectorHost, this.options);\n\n const {ngModules, files} = compiler.analyzeAndValidateNgModules(\n programSymbols, {transitiveModules: true}, this.metadataResolver);\n return compiler.loadNgModuleDirectives(ngModules).then(() => {\n const errors: compiler.ParseError[] = [];\n\n files.forEach(file => {\n const compMetas: compiler.CompileDirectiveMetadata[] = [];\n file.directives.forEach(directiveType => {\n const dirMeta = this.metadataResolver.getDirectiveMetadata(directiveType);\n if (dirMeta && dirMeta.isComponent) {\n compMetas.push(dirMeta);\n }\n });\n compMetas.forEach(compMeta => {\n const html = compMeta.template.template;\n const interpolationConfig =\n compiler.InterpolationConfig.fromArray(compMeta.template.interpolation);\n errors.push(\n ...this.messageBundle.updateFromTemplate(html, file.srcUrl, interpolationConfig));\n });\n });\n\n if (errors.length) {\n throw new Error(errors.map(e => e.toString()).join('\\n'));\n }\n\n return this.messageBundle;\n });\n }\n\n static create(\n options: tsc.AngularCompilerOptions, translationsFormat: string, program: ts.Program,\n compilerHost: ts.CompilerHost, resourceLoader: compiler.ResourceLoader,\n reflectorHost?: ReflectorHost): Extractor {\n const htmlParser = new compiler.I18NHtmlParser(new compiler.HtmlParser());\n\n const urlResolver: compiler.UrlResolver = compiler.createOfflineCompileUrlResolver();\n if (!reflectorHost) reflectorHost = new ReflectorHost(program, compilerHost, options);\n const staticReflector = new StaticReflector(reflectorHost);\n StaticAndDynamicReflectionCapabilities.install(staticReflector);\n\n const config = new compiler.CompilerConfig({\n genDebugInfo: options.debug === true,\n defaultEncapsulation: ViewEncapsulation.Emulated,\n logBindingUpdate: false,\n useJit: false\n });\n\n const normalizer =\n new compiler.DirectiveNormalizer(resourceLoader, urlResolver, htmlParser, config);\n const elementSchemaRegistry = new compiler.DomElementSchemaRegistry();\n const resolver = new compiler.CompileMetadataResolver(\n new compiler.NgModuleResolver(staticReflector),\n new compiler.DirectiveResolver(staticReflector), new compiler.PipeResolver(staticReflector),\n elementSchemaRegistry, normalizer, staticReflector);\n\n // TODO(vicb): implicit tags & attributes\n const messageBundle = new compiler.MessageBundle(htmlParser, [], {});\n\n return new Extractor(\n options, program, compilerHost, staticReflector, messageBundle, reflectorHost, resolver);\n }\n}\ninterface DecoratorInvocation {\n type: Function;\n args?: any[];\n}\n"]} |