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In the Profound.js low-code environment, most much of the functionality can be created without writing any code.
However, if you need to add functionality that is more advanced than what is provided by the plugins, any step can then be written as server-side or client-side JavaScript code. You can mix Code-based steps with No-Code steps at a granular level, without having to work with the entire application as code.
Writing
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Server-side
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Code
To write Node.js (server-side JavaScript) code, select the “Write Custom Node.js Code” plugin under the “Custom” category when adding a step.
You can use any JavaScript code, including direct calls to any of the pjs API.
If you need to write code for the start of a condition or loop that will encompass other steps, select the “Node.js Loop/Condition Partial”.
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Work variables can be referred to directly by name in your code.
Screen fields can be referred to referenced using the following syntax:
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screenName["fieldName"] |
Global properties can be referred accessed by using the following format:
| Code Block | ||
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globals["property name"] |
Writing
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Client-side
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Code
To write client-side JavaScript code, select the “Write Client-side Code” plugin under the “Client-side” category when adding a step. If you need to write client-side code for the start of a condition or loop that will encompass other client-side steps, select the “Client-side Loop/Condition Partial”.
If the entire routine is custom code, it may be easier to just write the code directly in the widget event property, rather than creating a routine.
Converting
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Existing Steps to
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Code
You can convert any existing low-code step to code by clicking the JS icon on the action dialog.
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You can then customize the code and save your changes.
Code
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Analysis
The Profound.js low-code environment will analyze the code you write in order to provide future suggestions for work variables and global properties. Only outer-level declarations will be analyzed. For example, if you write this line of code:
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Profound.js may start suggesting maxRecords as a value for answers to other low-code plugins.
Convert a Routine to Code
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In addition to converting individual steps to code, you can also convert an entire routine to code. This is done by clicking the "Switch routine to Node.js code" icon. Client-side steps are not converted as part of this process.
When you do this, the routine will have to be maintained manually with code going forward.
Viewing the Entire Program as Code
You can view or export the auto-generated code for the entire application from the Logic tab by clicking on the corresponding toolbar icon.
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This can be useful in gaining an understand understanding of how low-code applications are structured and will help you in writing your custom routine steps.