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backend/node_modules/fastify/lib/decorate.js

@@ -1,7 +1,5 @@
 'use strict'
 
-/* eslint no-prototype-builtins: 0 */
-
 const {
   kReply,
   kRequest,
@@ -13,13 +11,13 @@ const {
   FST_ERR_DEC_ALREADY_PRESENT,
   FST_ERR_DEC_MISSING_DEPENDENCY,
   FST_ERR_DEC_AFTER_START,
-  FST_ERR_DEC_DEPENDENCY_INVALID_TYPE
+  FST_ERR_DEC_REFERENCE_TYPE,
+  FST_ERR_DEC_DEPENDENCY_INVALID_TYPE,
+  FST_ERR_DEC_UNDECLARED
 } = require('./errors')
 
-const { FSTDEP006 } = require('./warnings')
-
 function decorate (instance, name, fn, dependencies) {
-  if (Object.prototype.hasOwnProperty.call(instance, name)) {
+  if (Object.hasOwn(instance, name)) {
     throw new FST_ERR_DEC_ALREADY_PRESENT(name)
   }
 
@@ -35,9 +33,21 @@ function decorate (instance, name, fn, dependencies) {
   }
 }
 
+function getInstanceDecorator (name) {
+  if (!checkExistence(this, name)) {
+    throw new FST_ERR_DEC_UNDECLARED(name, 'instance')
+  }
+
+  if (typeof this[name] === 'function') {
+    return this[name].bind(this)
+  }
+
+  return this[name]
+}
+
 function decorateConstructor (konstructor, name, fn, dependencies) {
   const instance = konstructor.prototype
-  if (Object.prototype.hasOwnProperty.call(instance, name) || hasKey(konstructor, name)) {
+  if (Object.hasOwn(instance, name) || hasKey(konstructor, name)) {
     throw new FST_ERR_DEC_ALREADY_PRESENT(name)
   }
 
@@ -58,7 +68,7 @@ function decorateConstructor (konstructor, name, fn, dependencies) {
 
 function checkReferenceType (name, fn) {
   if (typeof fn === 'object' && fn && !(typeof fn.getter === 'function' || typeof fn.setter === 'function')) {
-    FSTDEP006(name)
+    throw new FST_ERR_DEC_REFERENCE_TYPE(name, typeof fn)
   }
 }
 
@@ -102,8 +112,7 @@ function checkDependencies (instance, name, deps) {
     throw new FST_ERR_DEC_DEPENDENCY_INVALID_TYPE(name)
   }
 
-  // eslint-disable-next-line no-var
-  for (var i = 0; i !== deps.length; ++i) {
+  for (let i = 0; i !== deps.length; ++i) {
     if (!checkExistence(instance, deps[i])) {
       throw new FST_ERR_DEC_MISSING_DEPENDENCY(deps[i])
     }
@@ -137,5 +146,7 @@ module.exports = {
   existReply: checkReplyExistence,
   dependencies: checkDependencies,
   decorateReply,
-  decorateRequest
+  decorateRequest,
+  getInstanceDecorator,
+  hasKey
 }