80 lines
2.9 KiB
C#
80 lines
2.9 KiB
C#
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Text.RegularExpressions;
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using System.Threading.Tasks;
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using Newtonsoft.Json;
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using Newtonsoft.Json.Linq;
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using Umbraco.Core.Configuration;
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using Umbraco.Core.Hosting;
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using Umbraco.Core.IO;
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using Umbraco.Core.WebAssets;
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using Umbraco.Infrastructure.WebAssets;
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namespace Umbraco.Web.JavaScript
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{
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// TODO: Rename this
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public class JavaScriptHelper
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{
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// deal with javascript functions inside of json (not a supported json syntax)
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private const string PrefixJavaScriptObject = "@@@@";
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private static readonly Regex JsFunctionParser = new Regex($"(\"{PrefixJavaScriptObject}(.*?)\")+",
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RegexOptions.Multiline | RegexOptions.CultureInvariant | RegexOptions.Compiled);
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// replace tokens in the js main
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private static readonly Regex Token = new Regex("(\"##\\w+?##\")", RegexOptions.Compiled);
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/// <summary>
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/// Gets the JS initialization script to boot the back office application
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/// </summary>
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/// <param name="scripts"></param>
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/// <param name="angularModule">
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/// The angular module name to boot
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/// </param>
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/// <param name="globalSettings"></param>
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/// <param name="ioHelper"></param>
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/// <returns></returns>
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public static string GetJavascriptInitialization(IEnumerable<string> scripts, string angularModule, IGlobalSettings globalSettings, IIOHelper ioHelper)
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{
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var jarray = new StringBuilder();
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jarray.AppendLine("[");
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var first = true;
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foreach (var file in scripts)
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{
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if (first) first = false;
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else jarray.AppendLine(",");
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jarray.Append("\"");
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jarray.Append(file);
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jarray.Append("\"");
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}
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jarray.Append("]");
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return WriteScript(jarray.ToString(), ioHelper.ResolveUrl(globalSettings.UmbracoPath), angularModule);
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}
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/// <summary>
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/// Parses the JsResources.Main and replaces the replacement tokens accordingly
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/// </summary>
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/// <param name="scripts"></param>
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/// <param name="umbracoPath"></param>
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/// <param name="angularModule"></param>
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/// <returns></returns>
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internal static string WriteScript(string scripts, string umbracoPath, string angularModule)
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{
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var count = 0;
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var replacements = new[] { scripts, umbracoPath, angularModule };
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// replace, catering for the special syntax when we have
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// js function() objects contained in the json
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return Token.Replace(Resources.Main, match =>
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{
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var replacement = replacements[count++];
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return JsFunctionParser.Replace(replacement, "$2");
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});
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}
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}
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}
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