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🐛 Fix issue that expressions always read from output with index 0 even

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when the nodes with the expression were connected to a different one
This commit is contained in:
Jan Oberhauser
2019-06-27 16:46:26 +02:00
parent 3d80d9602e
commit 00f00f9cbe
3 changed files with 96 additions and 12 deletions
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17
packages/workflow/src/WorkflowDataProxy.ts
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@@ -150,9 +150,20 @@ export class WorkflowDataProxy {
throw new Error(`No data found from "main" input.`);
}
// Currently it is only possible to reference data from the first input
// so we hardcode it.
executionData = taskData.main[0] as INodeExecutionData[];
// Check from which output to read the data.
// Depends on how the nodes are connected.
// (example "IF" node. If node is connected to "true" or to "false" output)
const outputIndex = that.workflow.getNodeConnectionOutputIndex(that.activeNodeName, nodeName, 'main');
if (outputIndex === undefined) {
throw new Error(`The node "${that.activeNodeName}" is not connected with node "${nodeName}" so no data can get returned from it.`);
}
if (taskData.main.length < outputIndex) {
throw new Error(`No data found from "main" input with index "${outputIndex}" via which node is connected with.`);
}
executionData = taskData.main[outputIndex] as INodeExecutionData[];
} else {
// Short syntax got used to return data from active node