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🔀 Merge branch '139-null-returnValues' of https://github.com/airmoi/n8n into airmoi-139-null-returnValues

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Jan Oberhauser
2020-02-07 17:02:11 -08:00
parent 79f863b670 31af36b8bd
commit 3ed27c6485
1 changed files with 9 additions and 9 deletions
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8
packages/workflow/src/Workflow.ts
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@@ -890,16 +890,16 @@ export class Workflow {
// Execute the expression
try {
const returnValue = tmpl.tmpl(parameterValue, dataProxy.getDataProxy());
if (typeof returnValue === 'object' && Object.keys(returnValue).length === 0) {
if (returnValue !== null && typeof returnValue === 'object') {
if (Object.keys(returnValue).length === 0) {
// When expression is incomplete it returns a Proxy which causes problems.
// Catch it with this code and return a proper error.
throw new Error('Expression is not valid.');
}
if (returnObjectAsString === true && typeof returnValue === 'object') {
if (returnObjectAsString === true) {
return this.convertObjectValueToString(returnValue);
}
}
return returnValue;
} catch (e) {
throw new Error('Expression is not valid.');