seg_yinzy
/
Flowise
mirror of https://github.com/FlowiseAI/Flowise.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Feature: Add support for accessing NodeData via json path 

Supports `{{<variableNodeId>.data.instance.pathtokey}}`
pull/1820/head
YISH 2024-02-27 09:47:18 +08:00 committed by GitHub
parent 89307b13c9
commit 877c283d07
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
1 changed files with 32 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

35
packages/server/src/utils/index.ts
View File

@ -528,11 +528,40 @@ export const getVariableValue = (
variableDict[`{{${variableFullPath}}}`] = handleEscapeCharacters(convertChatHistoryToText(chatHistory), false)
}
// Split by first occurrence of '.' to get just nodeId
const [variableNodeId, _] = variableFullPath.split('.')
// Resolve values with following case.
// 1: <variableNodeId>.data.instance
// 2: <variableNodeId>.data.instance.pathtokey
const variableFullPathParts = variableFullPath.split('.')
const variableNodeId = variableFullPathParts[0]
const executedNode = reactFlowNodes.find((nd) => nd.id === variableNodeId)
if (executedNode) {
const variableValue = get(executedNode.data, 'instance')
let variableValue = get(executedNode.data, 'instance')
// Handle path such as `<variableNodeId>.data.instance.key`
if (variableFullPathParts.length > 3) {
let variableObj = null
switch (typeof variableValue) {
case 'string':
const unEscapedVariableValue = handleEscapeCharacters(variableValue, true)
if (unEscapedVariableValue.startsWith('{') && unEscapedVariableValue.endsWith('}')) {
try {
variableObj = JSON.parse(unEscapedVariableValue)
} catch (e) {
// ignore
}
}
break
case 'object':
variableObj = variableValue
break
default:
break
}
if (variableObj) {
variableObj = get(variableObj, variableFullPathParts.slice(3))
variableValue = handleEscapeCharacters(JSON.stringify(variableObj), false)
}
}
if (isAcceptVariable) {
variableDict[`{{${variableFullPath}}}`] = variableValue
} else {