The-DevOps-Daily/terraform-provider-validatefx

Add expression_valid validator

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#312 opened on Nov 10, 2025

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enhancementhacktoberfestterraform

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Description

Implement a new provider::validatefx::expression_valid validator.

Description:

  • Validate that a string is a valid HCL expression.

Acceptance criteria:

  1. Subtask: Implement expression_valid validator in internal/validators
  2. Subtask: Add unit tests for expression_valid validator
  3. Subtask: Add expression_valid function to internal/functions package
  4. Subtask: Add unit tests for expression_valid function
  5. Subtask: Register expression_valid in registry.go
  6. Subtask: Add documentation in examples/functions/expression_valid/function.tf
  7. Subtask: Update docs table using make docs command
  8. Subtask: Add integration test in integration/main.tf

Contributor guide

Research direction
Review existing validators in internal/validators to understand the implementation pattern. Then implement the expression valid validator, its unit tests, registration, and documentation following the same pattern.
Tech stack
go
Domain
backendinfrastructure
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
Half day
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
GoTerraform
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
70