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fix: normalize undefined to null and replace placeholders, fixes #14 #15 #47

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Merged
Dancode-188 merged 1 commit into from
Dec 27, 2025
Merged

fix: normalize undefined to null and replace placeholders, fixes #14 #15 #47

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13 changes: 9 additions & 4 deletions src/lib/variable-extraction-service.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -40,7 +40,8 @@ class VariableExtractionService {
wrap: false,
});

extracted[extraction.name] = result;
// Normalize undefined to null for consistency
extracted[extraction.name] = result === undefined ? null : result;
} catch (error) {
console.error(`Failed to extract variable ${extraction.name}:`, error);
extracted[extraction.name] = null;
Expand Down Expand Up @@ -78,10 +79,14 @@ class VariableExtractionService {

// Support nested paths like {{user.id}}
const value = this.getNestedValue(variables, trimmedName);
if (value === undefined || value === null) {

if (value === undefined) {
console.warn(`Variable ${trimmedName} not found`);
return match; // Keep original if not found
return 'undefined';
}

if (value === null) {
return 'null';
}

return String(value);
Expand Down