Files
automatisch/packages/backend/src/helpers/compute-parameters.ts
2023-02-26 17:02:30 +01:00

54 lines
1.5 KiB
TypeScript

import Step from '../models/step';
import ExecutionStep from '../models/execution-step';
import get from 'lodash.get';
const variableRegExp = /({{step\.[\da-zA-Z-]+(?:\.[\da-zA-Z-_]+)+}})/g;
export default function computeParameters(
parameters: Step['parameters'],
executionSteps: ExecutionStep[]
): Step['parameters'] {
const entries = Object.entries(parameters);
return entries.reduce((result, [key, value]: [string, unknown]) => {
if (typeof value === 'string') {
const parts = value.split(variableRegExp);
const computedValue = parts
.map((part: string) => {
const isVariable = part.match(variableRegExp);
if (isVariable) {
const stepIdAndKeyPath = part.replace(/{{step.|}}/g, '') as string;
const [stepId, ...keyPaths] = stepIdAndKeyPath.split('.');
const keyPath = keyPaths.join('.');
const executionStep = executionSteps.find((executionStep) => {
return executionStep.stepId === stepId;
});
const data = executionStep?.dataOut;
const dataValue = get(data, keyPath);
return dataValue;
}
return part;
})
.join('');
return {
...result,
[key]: computedValue,
};
}
if (Array.isArray(value)) {
return {
...result,
[key]: value.map(item => computeParameters(item, executionSteps)),
};
}
return {
...result,
[key]: value,
};
}, {});
}