angular2/src/compiler/change_detector_compiler.js

Angular 2 - a web framework for modern web apps

'use strict';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);
};
var source_module_1 = require('./source_module');
var change_detection_jit_generator_1 = require('angular2/src/core/change_detection/change_detection_jit_generator');
var change_definition_factory_1 = require('./change_definition_factory');
var lang_1 = require('angular2/src/facade/lang');
var change_detection_1 = require('angular2/src/core/change_detection/change_detection');
var change_detector_codegen_1 = require('angular2/src/transform/template_compiler/change_detector_codegen');
var util_1 = require('./util');
var di_1 = require('angular2/src/core/di');
var ABSTRACT_CHANGE_DETECTOR = "AbstractChangeDetector";
var UTIL = "ChangeDetectionUtil";
var CHANGE_DETECTOR_STATE = "ChangeDetectorState";
var ABSTRACT_CHANGE_DETECTOR_MODULE = source_module_1.moduleRef("package:angular2/src/core/change_detection/abstract_change_detector" + util_1.MODULE_SUFFIX);
var UTIL_MODULE = source_module_1.moduleRef("package:angular2/src/core/change_detection/change_detection_util" + util_1.MODULE_SUFFIX);
var PREGEN_PROTO_CHANGE_DETECTOR_MODULE = source_module_1.moduleRef("package:angular2/src/core/change_detection/pregen_proto_change_detector" + util_1.MODULE_SUFFIX);
var CONSTANTS_MODULE = source_module_1.moduleRef("package:angular2/src/core/change_detection/constants" + util_1.MODULE_SUFFIX);
var ChangeDetectionCompiler = (function () {
    function ChangeDetectionCompiler(_genConfig) {
        this._genConfig = _genConfig;
    }
    ChangeDetectionCompiler.prototype.compileComponentRuntime = function (componentType, strategy, parsedTemplate) {
        var _this = this;
        var changeDetectorDefinitions = change_definition_factory_1.createChangeDetectorDefinitions(componentType, strategy, this._genConfig, parsedTemplate);
        return changeDetectorDefinitions.map(function (definition) {
            return _this._createChangeDetectorFactory(definition);
        });
    };
    ChangeDetectionCompiler.prototype._createChangeDetectorFactory = function (definition) {
        if (lang_1.IS_DART || !this._genConfig.useJit) {
            var proto = new change_detection_1.DynamicProtoChangeDetector(definition);
            return function (dispatcher) { return proto.instantiate(dispatcher); };
        }
        else {
            return new change_detection_jit_generator_1.ChangeDetectorJITGenerator(definition, UTIL, ABSTRACT_CHANGE_DETECTOR, CHANGE_DETECTOR_STATE)
                .generate();
        }
    };
    ChangeDetectionCompiler.prototype.compileComponentCodeGen = function (componentType, strategy, parsedTemplate) {
        var changeDetectorDefinitions = change_definition_factory_1.createChangeDetectorDefinitions(componentType, strategy, this._genConfig, parsedTemplate);
        var factories = [];
        var index = 0;
        var sourceParts = changeDetectorDefinitions.map(function (definition) {
            var codegen;
            var sourcePart;
            // TODO(tbosch): move the 2 code generators to the same place, one with .dart and one with .ts
            // suffix
            // and have the same API for calling them!
            if (lang_1.IS_DART) {
                codegen = new change_detector_codegen_1.Codegen(PREGEN_PROTO_CHANGE_DETECTOR_MODULE);
                var className = "_" + definition.id;
                var typeRef = (index === 0 && componentType.isHost) ?
                    'dynamic' :
                    "" + source_module_1.moduleRef(componentType.moduleUrl) + componentType.name;
                codegen.generate(typeRef, className, definition);
                factories.push(className + ".newChangeDetector");
                sourcePart = codegen.toString();
            }
            else {
                codegen = new change_detection_jit_generator_1.ChangeDetectorJITGenerator(definition, "" + UTIL_MODULE + UTIL, "" + ABSTRACT_CHANGE_DETECTOR_MODULE + ABSTRACT_CHANGE_DETECTOR, "" + CONSTANTS_MODULE + CHANGE_DETECTOR_STATE);
                factories.push("function(dispatcher) { return new " + codegen.typeName + "(dispatcher); }");
                sourcePart = codegen.generateSource();
            }
            index++;
            return sourcePart;
        });
        return new source_module_1.SourceExpressions(sourceParts, factories);
    };
    ChangeDetectionCompiler = __decorate([
        di_1.Injectable(), 
        __metadata('design:paramtypes', [change_detection_1.ChangeDetectorGenConfig])
    ], ChangeDetectionCompiler);
    return ChangeDetectionCompiler;
})();
exports.ChangeDetectionCompiler = ChangeDetectionCompiler;
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