add deserializeKey and serializeKey to model

Author: jannishuebl

src/model.ts

@@ -23,7 +23,7 @@ import {
   IncludeScope
 } from "./scope"
 import { JsonapiTypeRegistry } from "./jsonapi-type-registry"
-import { camelize, underscore } from "inflected"
+import { camelize, underscore, dasherize } from "inflected"
 import { ILogger, logger as defaultLogger } from "./logger"
 import { MiddlewareStack, BeforeFilter, AfterFilter } from "./middleware-stack"
 
@@ -468,7 +468,7 @@ export class JSORMBase {
         let attributeName = key
 
         if (this.klass.camelizeKeys) {
-          attributeName = camelize(underscore(key), false)
+          attributeName = this.deserializeKey(key)
         }
 
         if (key === "id" || this.klass.attributeList[attributeName]) {
@@ -741,6 +741,17 @@ export class JSORMBase {
     })
   }
 
+  serializeKey(key: string): string {
+    if (this.klass.letterCase == "dasherized") {
+      return dasherize(underscore(key))
+    }
+    return underscore(key)
+  }
+
+  deserializeKey(key: string): string {
+    return camelize(underscore(key), false)
+  }
+
   private async _handleResponse(
     response: JsonapiResponse,
     callback: () => void

src/util/validation-errors.ts

@@ -1,5 +1,4 @@
 import { JSORMBase } from "../model"
-import { camelize, underscore } from "inflected"
 import { JsonapiResponseDoc, JsonapiErrorMeta } from "../jsonapi-spec"
 
 export class ValidationErrors {
@@ -44,7 +43,7 @@ export class ValidationErrors {
     let attribute = meta.attribute
 
     if (this.model.klass.camelizeKeys) {
-      attribute = camelize(underscore(attribute), false)
+      attribute = this.model.deserializeKey(attribute)
     }
 
     errorsAccumulator[attribute] = meta.message

src/util/write-payload.ts

@@ -2,7 +2,6 @@ import { JSORMBase, ModelRecord } from "../model"
 import { IncludeDirective, IncludeScopeHash } from "./include-directive"
 import { IncludeScope } from "../scope"
 import { tempId } from "./temp-id"
-import { underscore, dasherize } from "inflected"
 import {
   JsonapiRequestDoc,
   JsonapiResourceIdentifier,
@@ -34,7 +33,7 @@ export class WritePayload<T extends JSORMBase> {
 
     this._eachAttribute((key, value) => {
       if (!this.model.isPersisted || this.model.changes()[key]) {
-        attrs[this._letterCaseKey(key)] = value
+        attrs[this.model.serializeKey(key)] = value
       }
     })
 
@@ -121,7 +120,7 @@ export class WritePayload<T extends JSORMBase> {
         }
 
         if (data) {
-          _relationships[this._letterCaseKey(key)] = { data }
+          _relationships[this.model.serializeKey(key)] = { data }
         }
       }
     })
@@ -254,11 +253,4 @@ export class WritePayload<T extends JSORMBase> {
       }
     })
   }
-
-  private _letterCaseKey(key): string {
-    if (this.model.klass.letterCase == "dasherized") {
-      return dasherize(underscore(key))
-    }
-    return underscore(key)
-  }
 }