Revert "bugfix: run preprocessor of types.snapshotProcessor before running applySnapshot (#1823)"

This reverts commit 13d9fee.

Author: jamonholmgren

packages/mobx-state-tree/__tests__/core/snapshotProcessor.test.ts

@@ -6,8 +6,7 @@ import {
     detach,
     clone,
     SnapshotIn,
-    getNodeId,
-    applySnapshot
+    getNodeId
 } from "../../src"
 
 describe("snapshotProcessor", () => {
@@ -559,21 +558,6 @@ describe("snapshotProcessor", () => {
         })
     })
 
-    test("applySnapshot runs preprocessors before applying", () => {
-        const M = types.snapshotProcessor(types.model({ x: types.number }), {
-            preProcessor(snapshot: { x: string }) {
-                return { x: Number(snapshot.x) }
-            },
-            postProcessor(snapshot) {
-                return { x: String(snapshot.x) }
-            }
-        })
-
-        const m = M.create({ x: "1" })
-
-        expect(() => applySnapshot(m, { x: "2" })).not.toThrow()
-    })
-
     test("cached initial snapshots are ok", () => {
         const M2 = types.snapshotProcessor(types.model({ x: types.number }), {
             preProcessor(sn: { x: number }) {

packages/mobx-state-tree/src/types/utility-types/snapshotProcessor.ts

@@ -95,11 +95,6 @@ class SnapshotProcessor<IT extends IAnyType, CustomC, CustomS> extends BaseType<
                 return this
             }
         }
-
-        const oldApplySnapshot = node.applySnapshot
-        node.applySnapshot = (snapshot) => { 
-            return oldApplySnapshot.call(node, this.preProcessSnapshot(snapshot)) as any
-        }
     }
 
     instantiate(