Function executeLifeCycleMethod

packages/react-renderer/src/base.tsx:37–63

(context: any, schema: RootSchema, method: string, args: any)

 * execute method in schema.lifeCycles with context
 */
export function executeLifeCycleMethod(context: any, schema: RootSchema, method: string, args: any): any {
  if (!context || !isSchema(schema) || !method) {
    return
  }
  const lifeCycleMethods = getValue(schema, 'lifeCycles', {})
  let fn = lifeCycleMethods[method]

  if (!fn) {
    return
  }

  // TODO: cache
  if (isJSExpression(fn) || isJSFunction(fn)) {
    fn = parseExpression(fn, context, true)
  }

  if (typeof fn !== 'function') {
    logger.error(`生命周期${method}类型不符`, fn)
    return
  }

  try {
    return fn.apply(context, args)
  } catch (e) {
    logger.error(`[${schema.componentName}]生命周期${method}出错`, e)
  }
}

/**
 * get children from a node schema