angular2
Version:
Angular 2 - a web framework for modern web apps
68 lines • 11.7 kB
JavaScript
import { ListWrapper } from 'angular2/src/facade/collection';
import { global, isPresent } from 'angular2/src/facade/lang';
import { DOM } from 'angular2/src/platform/dom/dom_adapter';
import { setTestabilityGetter } from 'angular2/core';
class PublicTestability {
constructor(testability) {
this._testability = testability;
}
isStable() { return this._testability.isStable(); }
whenStable(callback) { this._testability.whenStable(callback); }
findBindings(using, provider, exactMatch) {
return this.findProviders(using, provider, exactMatch);
}
findProviders(using, provider, exactMatch) {
return this._testability.findBindings(using, provider, exactMatch);
}
}
export class BrowserGetTestability {
static init() { setTestabilityGetter(new BrowserGetTestability()); }
addToWindow(registry) {
global.getAngularTestability = (elem, findInAncestors = true) => {
var testability = registry.findTestabilityInTree(elem, findInAncestors);
if (testability == null) {
throw new Error('Could not find testability for element.');
}
return new PublicTestability(testability);
};
global.getAllAngularTestabilities = () => {
var testabilities = registry.getAllTestabilities();
return testabilities.map((testability) => { return new PublicTestability(testability); });
};
global.getAllAngularRootElements = () => registry.getAllRootElements();
var whenAllStable = (callback) => {
var testabilities = global.getAllAngularTestabilities();
var count = testabilities.length;
var didWork = false;
var decrement = function (didWork_) {
didWork = didWork || didWork_;
count--;
if (count == 0) {
callback(didWork);
}
};
testabilities.forEach(function (testability) { testability.whenStable(decrement); });
};
if (!global.frameworkStabilizers) {
global.frameworkStabilizers = ListWrapper.createGrowableSize(0);
}
global.frameworkStabilizers.push(whenAllStable);
}
findTestabilityInTree(registry, elem, findInAncestors) {
if (elem == null) {
return null;
}
var t = registry.getTestability(elem);
if (isPresent(t)) {
return t;
}
else if (!findInAncestors) {
return null;
}
if (DOM.isShadowRoot(elem)) {
return this.findTestabilityInTree(registry, DOM.getHost(elem), true);
}
return this.findTestabilityInTree(registry, DOM.parentElement(elem), true);
}
}
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}\n\n  isStable(): boolean { return this._testability.isStable(); }\n\n  whenStable(callback: Function) { this._testability.whenStable(callback); }\n\n  findBindings(using: any, provider: string, exactMatch: boolean): any[] {\n    return this.findProviders(using, provider, exactMatch);\n  }\n\n  findProviders(using: any, provider: string, exactMatch: boolean): any[] {\n    return this._testability.findBindings(using, provider, exactMatch);\n  }\n}\n\nexport class BrowserGetTestability implements GetTestability {\n  static init() { setTestabilityGetter(new BrowserGetTestability()); }\n\n  addToWindow(registry: TestabilityRegistry): void {\n    global.getAngularTestability = (elem: any, findInAncestors: boolean = true) => {\n      var testability = registry.findTestabilityInTree(elem, findInAncestors);\n      if (testability == null) {\n        throw new Error('Could not find testability for element.');\n      }\n      return new PublicTestability(testability);\n    };\n\n    global.getAllAngularTestabilities = () => {\n      var testabilities = registry.getAllTestabilities();\n      return testabilities.map((testability) => { return new PublicTestability(testability); });\n    };\n\n    global.getAllAngularRootElements = () => registry.getAllRootElements();\n\n    var whenAllStable = (callback) => {\n      var testabilities = global.getAllAngularTestabilities();\n      var count = testabilities.length;\n      var didWork = false;\n      var decrement = function(didWork_) {\n        didWork = didWork || didWork_;\n        count--;\n        if (count == 0) {\n          callback(didWork);\n        }\n      };\n      testabilities.forEach(function(testability) { testability.whenStable(decrement); });\n    };\n\n    if (!global.frameworkStabilizers) {\n      global.frameworkStabilizers = ListWrapper.createGrowableSize(0);\n    }\n    global.frameworkStabilizers.push(whenAllStable);\n  }\n\n  findTestabilityInTree(registry: TestabilityRegistry, elem: any,\n                        findInAncestors: boolean): Testability {\n    if (elem == null) {\n      return null;\n    }\n    var t = registry.getTestability(elem);\n    if (isPresent(t)) {\n      return t;\n    } else if (!findInAncestors) {\n      return null;\n    }\n    if (DOM.isShadowRoot(elem)) {\n      return this.findTestabilityInTree(registry, DOM.getHost(elem), true);\n    }\n    return this.findTestabilityInTree(registry, DOM.parentElement(elem), true);\n  }\n}\n"]}