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ScriptRunner issues on conditions

Shawn Marks

Trying to have scriptrunner listener run on jira cloud but only if the issue has a label matching "foo". I have the following but just get an error:

("foo" in issue.fields.labels)

2020-08-20 20:13:45.395 ERROR - The condition: ("foo" in issue.fields.labels) evaluated to: ["Jira expression failed to parse: line 1, column 19:\nexpression expected, reserved keyword 'in' encountered."]

Accepted answers

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Kristian Walker

Hi Sean,

I can confirm that the ScriptRunner for Jira Cloud plugin provides Evaluate Condition feature for Script Listeners using the Jira Expression Framework as documented in the Atlassian API documentation page located here or in the documentation page located here.

We can confirm that when viewing the Jira Expression Framework API documentation page linked above you can navigate to the Context variables section which shows what variables are provided by this framework that can be used to create the expression.

If you then click on one of the variables it will show all the properties that can be called on the variable for the expression such as for the issue variable as shown here.

I can confirm that this shows the labels field is a List type which means it only supports being accessed using the methods documented in the expression API documentation page located here.

I can confirm based on this I have created the example located here which shows on line 18 the expression to check when the label field includes a specified label.

I would recommend using these documentation pages linked above as a reference guide to help to create the condition expression that you require.

I hope this information helps.

Regards,

Kristian

Vladimir Virlan

Hey Kristian,

Thanks for your answer. However, I am having the same problem only this time with a different keyword: `let`.

For this script:

let a = 1;

I get:

"Jira expression failed to parse: line 1, column 30:\nexpression expected, reserved keyword 'let' encountered."

The guide you quoted specifically allows variable declarations:

https://developer.atlassian.com/cloud/jira/platform/jira-expressions/#variable-assignment

A Jira expression can be defined as a series of variable assignments ending with an expression, each separated by a semicolon. For example, this expression returns a String containing the number of comments on an issue:
let issueKey = issue.key;
  let commentsLength = issue.comments.length;
  `Issue ${issueKey} has ${commentsLength} comments.`
The let keyword is optional. For example, line 1 of the example can be written as issueKey = issue.key;.

Oliver Siebenmarck _Polymetis Apps_

Hi @Vladimir Virlan ,

The problem really isn't the let keyword, it's that your code does not contain an expression. Let me explain that a bit:

Jira expressions are meant to be evaluated to a value, like these values:

true
6
"PROJ-12" 
{'foo': 1, 'bar': 2}

Typically the return value of the last expression of an expression's code is taken as the result. So you could write this:

user.displayName

Or this:

let a = 1;
a

And it would be perfectly valid and return 1. However, just this:

let a = 1;

does not evaluate to anything, as the let statement does not have a return value. That's why you get that "expression expected" error message.

Hope that helps,
Oliver

Vladimir Virlan

Thanks @Oliver Siebenmarck _Polymetis Apps_ however that was just a simplification and I ommitted the return fragment.

This also doesn't work:

"use strict"
let a = true;
a;

Yo usee here the value of `a` is the resulting expression and we should see the whole thing return true. However it fails with the same error:

Jira expression failed to parse: line 2, column 1: expression expected, reserved keyword 'let' encountered.

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