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✨ Add functionality to evaluate expression

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This commit is contained in:
Jan Oberhauser
2020-03-21 17:25:29 +01:00
parent e9c6c64290
commit c1853a6ff5
8 changed files with 43 additions and 2 deletions
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6
packages/workflow/src/Workflow.ts
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@@ -897,10 +897,14 @@ export class Workflow {
// Generate a data proxy which allows to query workflow data
const dataProxy = new WorkflowDataProxy(this, runExecutionData, runIndex, itemIndex, activeNodeName, connectionInputData);
const data = dataProxy.getDataProxy();
data.$evaluateExpression = (expression: string) => {
return this.resolveSimpleParameterValue('=' + expression, runExecutionData, runIndex, itemIndex, activeNodeName, connectionInputData, returnObjectAsString);
};
// Execute the expression
try {
const returnValue = tmpl.tmpl(parameterValue, dataProxy.getDataProxy());
const returnValue = tmpl.tmpl(parameterValue, data);
if (returnValue !== null && typeof returnValue === 'object') {
if (Object.keys(returnValue).length === 0) {
// When expression is incomplete it returns a Proxy which causes problems.