async function main(component: Input): Promise<Output> {
// For GCP updates, we generate all fields here for preview
// The actual filtering to only changed fields happens in the update action
const payload = _.cloneDeep(component.domain);
// Remove the 'extra' metadata object that SI uses internally
// But first extract PropUsageMap to know which props to exclude
const propUsageMapJson = payload.extra?.PropUsageMap;
delete payload.extra;
// Remove properties that shouldn't be in the request body
if (propUsageMapJson) {
try {
const propUsageMap = JSON.parse(propUsageMapJson);
// Remove excluded properties (props that are only used for URL construction, not request body)
if (Array.isArray(propUsageMap.excluded)) {
for (const excludedProp of propUsageMap.excluded) {
delete payload[excludedProp];
}
}
// Remove path parameters (like 'parent', 'project', etc.)
// These are used in the URL path, not the request body
if (Array.isArray(propUsageMap.pathParameters)) {
for (const pathParam of propUsageMap.pathParameters) {
delete payload[pathParam];
}
}
if (Array.isArray(propUsageMap.createOnly)) {
for (const createOnlyPath of propUsageMap.createOnly) {
// Convert /domain/propertyName to propertyName
const propName = createOnlyPath.replace(/^\/domain\//, "");
delete payload[propName];
}
}
} catch {
// If parsing fails, continue without filtering
}
}
// Visit the prop tree and remove empty/null values
const cleaned = extLib.removeEmpty(payload);
return {
format: "json",
code: JSON.stringify(cleaned, null, 2),
};
}
