function IamPoliciesEditor()

in frontend/src/old-pages/Configure/Components.tsx [616:675]
57 lines of code
8 McCabe index (conditional complexity)

function IamPoliciesEditor({basePath}: any) {
  const {t} = useTranslation()
  const policiesPath = [...basePath, 'Iam', 'AdditionalIamPolicies']
  const policies = useState(policiesPath) || []
  const policyPath = ['app', 'wizard', 'headNode', 'iamPolicy']
  const policy = useState(policyPath) || ''

  const addPolicy = () => {
    updateState(policiesPath, (existing: any) => [
      ...(existing || []),
      {Policy: policy},
    ])
    setState(policyPath, '')
  }

  const removePolicy = (index: any) => {
    setState(policiesPath, [
      ...policies.slice(0, index),
      ...policies.slice(index + 1),
    ])
    if (policies.length === 0) clearState(policiesPath)
  }

  return (
    <SpaceBetween direction="vertical" size="s">
      <FormField
        errorText={
          findFirst(policies, (x: any) => x.Policy === policy)
            ? t('wizard.components.IamPoliciesEditor.policyAlreadyAdded')
            : ''
        }
      >
        <SpaceBetween direction="horizontal" size="s">
          <div style={{width: '400px'}}>
            <Input
              placeholder="arn:aws:iam::aws:policy/SecretsManager:ReadWrite"
              value={policy}
              onChange={({detail}) => setState(policyPath, detail.value)}
            />
          </div>
          <Button
            onClick={addPolicy}
            disabled={
              policy.length === 0 ||
              findFirst(policies, (x: any) => x.Policy === policy)
            }
          >
            {t('wizard.components.IamPoliciesEditor.addButtonLabel')}
          </Button>
        </SpaceBetween>
      </FormField>
      {policies.map(
        (p: any, i: any) =>
          p.Policy !== ssmPolicy && (
            <SpaceBetween key={p.Policy} direction="horizontal" size="s">
              <div style={{width: '400px'}}>{p.Policy}</div>
              <Button onClick={() => removePolicy(i)}>Remove</Button>
            </SpaceBetween>
          ),
      )}