angular2
Version:
Angular 2 - a web framework for modern web apps
56 lines • 7.8 kB
JavaScript
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") return Reflect.decorate(decorators, target, key, desc);
switch (arguments.length) {
case 2: return decorators.reduceRight(function(o, d) { return (d && d(o)) || o; }, target);
case 3: return decorators.reduceRight(function(o, d) { return (d && d(target, key)), void 0; }, void 0);
case 4: return decorators.reduceRight(function(o, d) { return (d && d(target, key, o)) || o; }, desc);
}
};
var __metadata = (this && this.__metadata) || function (k, v) {
if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
import { ProtoViewFactory } from 'angular2/src/core/linker/proto_view_factory';
import { Injectable } from 'angular2/src/core/di';
import { isBlank, stringify } from 'angular2/src/facade/lang';
import { BaseException } from 'angular2/src/facade/exceptions';
import { PromiseWrapper } from 'angular2/src/facade/async';
import { reflector } from 'angular2/src/core/reflection/reflection';
import { CompiledHostTemplate } from 'angular2/src/core/linker/template_commands';
/**
* Low-level service for compiling {@link Component}s into {@link ProtoViewRef ProtoViews}s, which
* can later be used to create and render a Component instance.
*
* Most applications should instead use higher-level {@link DynamicComponentLoader} service, which
* both compiles and instantiates a Component.
*/
export class Compiler {
}
function _isCompiledHostTemplate(type) {
return type instanceof CompiledHostTemplate;
}
export let Compiler_ = class extends Compiler {
constructor(_protoViewFactory) {
super();
this._protoViewFactory = _protoViewFactory;
}
compileInHost(componentType) {
var metadatas = reflector.annotations(componentType);
var compiledHostTemplate = metadatas.find(_isCompiledHostTemplate);
if (isBlank(compiledHostTemplate)) {
throw new BaseException(`No precompiled template for component ${stringify(componentType)} found`);
}
return PromiseWrapper.resolve(this._createProtoView(compiledHostTemplate));
}
_createProtoView(compiledHostTemplate) {
return this._protoViewFactory.createHost(compiledHostTemplate).ref;
}
clearCache() { this._protoViewFactory.clearCache(); }
};
Compiler_ = __decorate([
Injectable(),
__metadata('design:paramtypes', [ProtoViewFactory])
], Compiler_);
export function internalCreateProtoView(compiler, compiledHostTemplate) {
return compiler._createProtoView(compiledHostTemplate);
}
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coY29tcGlsZWRIb3N0VGVtcGxhdGUpO1xufVxuIl19