firebaseui-angular-i18n
Version:
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92 lines • 12.4 kB
JavaScript
import { DOCUMENT } from '@angular/common';
import { Inject, Injectable } from '@angular/core';
import * as i0 from "@angular/core";
export class DynamicLoaderService {
constructor(_document) {
this._document = undefined;
this._document = _document;
DynamicLoaderService.ResourcesStore.forEach((res) => {
DynamicLoaderService.LoadedResources[res.name] = {
loaded: false,
type: res.type,
src: res.src
};
});
}
/**
* Loads a series of previously registered Script(s)
* @param resNames The list of resources to load
*/
load(...resNames) {
const promises = resNames.map(name => this.loadResource(name));
return Promise.all(promises);
}
/**
* Loads a script given it's name.
* @param name Name of the script to laod.
*/
loadResource(name) {
return new Promise((resolve, reject) => {
const resourceRef = DynamicLoaderService.LoadedResources[name];
if (!resourceRef) {
return reject({ resource: name, loaded: false, statusText: 'Resource not registered' });
}
if (resourceRef.loaded) {
return resolve({ resource: name, loaded: true, statusText: 'Already Loaded' });
}
const tag = resourceRef.type === "js" ? this._document.createElement("script") : this._document.createElement("link");
tag.onload = (e) => {
resourceRef.loaded = true;
return resolve({ resource: name, loaded: true, statusText: "Loaded", status: e });
};
tag.onerror = (error) => {
return reject({ resource: name, loaded: false, statusText: 'Error', error: error });
};
if (tag instanceof HTMLScriptElement) {
tag.type = "text/javascript";
tag.async = true;
tag.src = resourceRef.src;
}
if (tag instanceof HTMLLinkElement) {
tag.type = "text/css";
tag.href = resourceRef.src;
tag.rel = "stylesheet";
}
this._document.head.appendChild(tag);
});
}
/**
* Registers a series of Resource(s), without loading them
* @param resources A list of Resource(s)
*/
register(...resources) {
resources.forEach(res => {
DynamicLoaderService.ResourcesStore.push(res);
DynamicLoaderService.LoadedResources[res.name] = {
loaded: false,
type: res.type,
src: res.src
};
});
}
/**
* Registers and then loads a list of Resource(s)
* @param resources The list of resources
*/
registerAndLoad(...resources) {
const resNames = resources.map(s => s.name);
this.register(...resources);
return this.load(...resNames);
}
}
DynamicLoaderService.ResourcesStore = [];
DynamicLoaderService.LoadedResources = {};
DynamicLoaderService.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "15.1.2", ngImport: i0, type: DynamicLoaderService, deps: [{ token: DOCUMENT }], target: i0.ɵɵFactoryTarget.Injectable });
DynamicLoaderService.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "15.1.2", ngImport: i0, type: DynamicLoaderService });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "15.1.2", ngImport: i0, type: DynamicLoaderService, decorators: [{
type: Injectable
}], ctorParameters: function () { return [{ type: undefined, decorators: [{
type: Inject,
args: [DOCUMENT]
}] }]; } });
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this._document.createElement(\"script\") : this._document.createElement(\"link\");\n\n            tag.onload = (e) => {\n                resourceRef.loaded = true;\n                return resolve({ resource: name, loaded: true, statusText: \"Loaded\", status: e });\n            };\n\n            tag.onerror = (error) => {\n                return reject({ resource: name, loaded: false, statusText: 'Error', error: error });\n            }\n\n            if (tag instanceof HTMLScriptElement) {\n                tag.type = \"text/javascript\";\n                tag.async = true;\n                tag.src = resourceRef.src;\n            }\n            if (tag instanceof HTMLLinkElement) {\n                tag.type = \"text/css\";\n                tag.href = resourceRef.src;\n                tag.rel = \"stylesheet\";\n            }\n\n            this._document.head.appendChild(tag);\n        });\n    }\n\n    /**\n     * Registers a series of Resource(s), without loading them\n     * @param resources A list of Resource(s)\n     */\n    register(...resources: Resource[]) {\n        resources.forEach(res => {\n            DynamicLoaderService.ResourcesStore.push(res);\n            DynamicLoaderService.LoadedResources[res.name] = {\n                loaded: false,\n                type: res.type,\n                src: res.src\n            };\n        });\n    }\n\n    /**\n     * Registers and then loads a list of Resource(s)\n     * @param resources The list of resources\n     */\n    registerAndLoad(...resources: Resource[]) {\n        const resNames = resources.map(s => s.name);\n        this.register(...resources);\n        return this.load(...resNames);\n    }\n}\n"]}