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refactoring circular imports

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This commit is contained in:
Hristo Hristov
2017-03-06 14:01:22 +02:00
parent 347755367e
commit ea22eb9c20
82 changed files with 2229 additions and 2188 deletions
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82
tns-core-modules/ui/builder/builder.ts
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@@ -1,15 +1,20 @@
import { debug, ScopeError, SourceError, Source } from "utils/debug";
// Definitions.
import { LoadOptions } from "ui/builder";
import { View, ViewBase, Template, KeyedTemplate } from "ui/core/view";
// Types.
import { debug, ScopeError, SourceError, Source } from "utils/debug";
import * as xml from "xml";
import { View, Template, KeyedTemplate } from "ui/core/view";
import { File, path, knownFolders } from "file-system";
import { isString, isFunction, isDefined } from "utils/types";
import { isString, isDefined } from "utils/types";
import { ComponentModule, setPropertyValue, getComponentModule } from "ui/builder/component-builder";
import { platformNames, device } from "platform";
import { LoadOptions } from "ui/builder";
import { Page } from "ui/page";
import { resolveFileName } from "file-system/file-name-resolver";
import * as traceModule from "trace";
const ios = platformNames.ios.toLowerCase();
const android = platformNames.android.toLowerCase();
const defaultNameSpaceMatcher = /tns\.xsd$/i;
var trace: typeof traceModule;
@@ -20,22 +25,15 @@ function ensureTrace() {
}
export function parse(value: string | Template, context: any): View {
if (isString(value)) {
var viewToReturn: View;
if (context instanceof View) {
context = getExports(context);
}
var componentModule = parseInternal(<string>value, context);
if (componentModule) {
viewToReturn = componentModule.component;
}
return viewToReturn;
} else if (isFunction(value)) {
if (typeof value === "function") {
return (<Template>value)();
} else {
const exports = context ? getExports(context) : undefined;
const componentModule = parseInternal(value, exports);
if (componentModule) {
return componentModule.component;
}
return undefined;
}
}
@@ -62,7 +60,7 @@ function parseInternal(value: string, context: any, uri?: string, moduleNamePath
return ui.rootComponentModule;
}
function loadCustomComponent(componentPath: string, componentName?: string, attributes?: Object, context?: Object, parentPage?: Page): ComponentModule {
function loadCustomComponent(componentPath: string, componentName?: string, attributes?: Object, context?: Object, parentPage?: View): ComponentModule {
if (!parentPage && context) {
// Read the parent page that was passed down below
// https://github.com/NativeScript/NativeScript/issues/1639
@@ -119,8 +117,8 @@ function loadCustomComponent(componentPath: string, componentName?: string, attr
// Add component CSS file if exists.
var cssFilePath = resolveFileName(fullComponentPathFilePathWithoutExt, "css");
if (cssFilePath) {
if (parentPage) {
parentPage.addCssFile(cssFilePath);
if (parentPage && typeof (<any>parentPage).addCssFile === "function") {
(<any>parentPage).addCssFile(cssFilePath);
} else {
ensureTrace();
@@ -155,7 +153,7 @@ export function load(pathOrOptions: string | LoadOptions, context?: any): View {
return viewToReturn;
}
export function loadPage(moduleNamePath: string, fileName: string, context?: any): Page {
export function loadPage(moduleNamePath: string, fileName: string, context?: any): View {
var componentModule: ComponentModule;
// Check if the XML file exists.
@@ -173,7 +171,7 @@ export function loadPage(moduleNamePath: string, fileName: string, context?: any
(<any>componentModule.component).exports = context;
}
return (<Page>componentModule.component);
return componentModule.component;
}
function loadInternal(fileName: string, context?: any): ComponentModule {
@@ -197,14 +195,20 @@ function loadInternal(fileName: string, context?: any): ComponentModule {
return componentModule;
}
function getExports(instance: View): any {
var parent = instance.parent;
function getExports(instance: ViewBase): any {
const isView = !!instance._domId;
if (!isView) {
return (<any>instance).exports || instance;
}
while (parent && (<any>parent).exports === undefined) {
let exportObject = (<any>instance).exports;
let parent = instance.parent;
while (exportObject === undefined && parent) {
exportObject = (<any>parent).exports;
parent = parent.parent;
}
return parent ? (<any>parent).exports : undefined;
return exportObject;
}
namespace xml2ui {
@@ -316,8 +320,12 @@ namespace xml2ui {
}
private static isPlatform(value: string): boolean {
return value && (value.toLowerCase() === platformNames.android.toLowerCase()
|| value.toLowerCase() === platformNames.ios.toLowerCase());
if (value) {
const toLower = value.toLowerCase();
return toLower === android || toLower === ios;
}
return false;
}
private static isCurentPlatform(value: string): boolean {
@@ -514,7 +522,7 @@ namespace xml2ui {
private context: any;
private currentPage: Page;
private currentRootView: View;
private parents = new Array<ComponentModule>();
private complexProperties = new Array<ComponentParser.ComplexProperty>();
@@ -575,7 +583,7 @@ namespace xml2ui {
if (args.prefix && args.namespace) {
// Custom components
componentModule = loadCustomComponent(args.namespace, args.elementName, args.attributes, this.context, this.currentPage);
componentModule = loadCustomComponent(args.namespace, args.elementName, args.attributes, this.context, this.currentRootView);
} else {
// Default components
let namespace = args.namespace;
@@ -599,11 +607,11 @@ namespace xml2ui {
// Set root component.
this.rootComponentModule = componentModule;
if (this.rootComponentModule && this.rootComponentModule.component instanceof Page) {
this.currentPage = <Page>this.rootComponentModule.component;
if (this.rootComponentModule) {
this.currentRootView = this.rootComponentModule.component;
if ((<any>this.currentPage).exports) {
this.context = (<any>this.currentPage).exports;
if ((<any>this.currentRootView).exports) {
this.context = (<any>this.currentRootView).exports;
}
}
}