5f6454b59c
* Restructure component folders * Restructure JavaScript module folders * Remove ActivityType field from descriptor No longer necessary. * Incremental work on synthetic properties * Implement synthetic property persistence * Add JS functions to return input from composed activity * Cleanup * Take into account versioning * Fix versioning * Add Output management * Implement output handling
42 lines
1.3 KiB
C#
42 lines
1.3 KiB
C#
using System.Text.Json.Serialization;
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using Elsa.Workflows.Core.Attributes;
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using Elsa.Workflows.Core.Models;
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using Elsa.Workflows.Management.Models;
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using IJavaScriptEvaluator = Elsa.JavaScript.Contracts.IJavaScriptEvaluator;
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namespace Elsa.JavaScript.Activities;
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[Activity("Elsa", "Scripting", "Executes JavaScript code")]
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public class RunJavaScript : CodeActivity<object?>
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{
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[JsonConstructor]
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public RunJavaScript()
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{
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}
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public RunJavaScript(string script)
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{
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Script = new Input<string>(script);
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}
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[Input(UIHint = InputUIHints.CodeEditor, OptionsProvider = typeof(RunJavaScriptOptionsProvider))]
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public Input<string> Script { get; set; } = new("");
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protected override async ValueTask ExecuteAsync(ActivityExecutionContext context)
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{
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var script = context.Get(Script);
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// If no script was specified, there's nothing to do.
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if (string.IsNullOrWhiteSpace(script))
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return;
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// Get a JavaScript evaluator.
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var javaScriptEvaluator = context.GetRequiredService<IJavaScriptEvaluator>();
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// Run the script.
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var result = await javaScriptEvaluator.EvaluateAsync(script, typeof(object), context.ExpressionExecutionContext, cancellationToken: context.CancellationToken);
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// Set the result as output, if any.
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context.Set(Result, result);
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}
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} |