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// DO NOT MODIFY - generated from packages/feathers/src/hooks/legacy.ts
import { _ } from '../dependencies.ts';import { LegacyHookFunction } from '../declarations.ts';
const { each } = _;
export function fromBeforeHook (hook: LegacyHookFunction) {  return (context: any, next: any) => {    context.type = 'before';
    return Promise.resolve(hook.call(context.self, context)).then(() => {      context.type = null;      return next();    });  };}
export function fromAfterHook (hook: LegacyHookFunction) {  return (context: any, next: any) => {    return next().then(() => {      context.type = 'after';      return hook.call(context.self, context)    }).then(() => {      context.type = null;    });  }}
export function fromErrorHooks (hooks: LegacyHookFunction[]) {  return (context: any, next: any) => {    return next().catch((error: any) => {      let promise: Promise<any> = Promise.resolve();
      context.original = { ...context };      context.error = error;      context.type = 'error';
      delete context.result;
      for (const hook of hooks) {        promise = promise.then(() => hook.call(context.self, context))      }
      return promise.then(() => {        context.type = null;
        if (context.result === undefined) {          throw context.error;        }      });    });  }}
export function collectLegacyHooks (target: any, method: string) {  const {    before: { [method]: before = [] },    after: { [method]: after = [] },    error: { [method]: error = [] }  } = target.__hooks;  const beforeHooks = before;  const afterHooks = [...after].reverse();  const errorHook = fromErrorHooks(error);
  return [errorHook, ...beforeHooks, ...afterHooks];}
// Converts different hook registration formats into the// same internal formatexport function convertHookData (obj: any) {  let hook: any = {};
  if (Array.isArray(obj)) {    hook = { all: obj };  } else if (typeof obj !== 'object') {    hook = { all: [ obj ] };  } else {    each(obj, function (value, key) {      hook[key] = !Array.isArray(value) ? [ value ] : value;    });  }
  return hook;}
// Add `.hooks` functionality to an objectexport function enableLegacyHooks (  obj: any,  methods: string[] = ['find', 'get', 'create', 'update', 'patch', 'remove'],  types: string[] = ['before', 'after', 'error']) {  const hookData: any = {};
  types.forEach(type => {    // Initialize properties where hook functions are stored    hookData[type] = {};  });
  // Add non-enumerable `__hooks` property to the object  Object.defineProperty(obj, '__hooks', {    configurable: true,    value: hookData,    writable: true  });
  return function legacyHooks (this: any, allHooks: any) {    each(allHooks, (current: any, type) => {      if (!this.__hooks[type]) {        throw new Error(`'${type}' is not a valid hook type`);      }
      const hooks = convertHookData(current);
      each(hooks, (_value, method) => {        if (method !== 'all' && methods.indexOf(method) === -1) {          throw new Error(`'${method}' is not a valid hook method`);        }      });
      methods.forEach(method => {        let currentHooks = [...(hooks.all || []), ...(hooks[method] || [])];
        this.__hooks[type][method] = this.__hooks[type][method] || [];
        if (type === 'before') {          currentHooks = currentHooks.map(fromBeforeHook);        }
        if (type === 'after') {          currentHooks = currentHooks.map(fromAfterHook);        }
        this.__hooks[type][method].push(...currentHooks);      });    });
    return this;  }}