feat(loki): change and improve nested property support (#81)

Author: Viatorus

packages/common/types.ts

@@ -15,7 +15,14 @@ export interface StorageAdapter {
   exportDatabase?(dbname: string, dbref: Loki): Promise<void>;
 }
 
-export type Doc<T extends object = object> = T & { $loki: number; meta: any; };
+export type Doc<T extends object = object> = T & {
+  $loki: number; meta?: {
+    created: number;
+    revision: number;
+    version: number,
+    updated?: number;
+  };
+};
 
 export interface Dict<T> {
   [index: string]: T;

packages/full-text-search/spec/generic/full_text_search.spec.ts

@@ -58,6 +58,39 @@ describe("full-text search", () => {
       .toBe(2);
   });
 
+  it("nested", () => {
+    const coll2 = db.addCollection<{ user: { name: string, id: number } }, { "user.name": string, "user.id": number }>("coll", {
+      nestedProperties: ["user.name", "user.id"],
+      fullTextSearch: [{field: "user.name"}]
+    });
+    for (let i of coll.find()) {
+      coll2.insert({user: i});
+    }
+
+    let query: Query = {query: {type: "fuzzy", field: "user.name", value: "quak", fuzziness: 1}};
+    expect(coll2.find({"$fts": query}).length).toBe(3);
+
+    expect(
+      coll2.find({"$fts": query})).not.toEqual(
+      coll2.find({"user.id": {"$in": [1, 2, 3]}}));
+
+    expect(
+      coll2
+        .chain()
+        .find({"user.id": {"$in": [1, 2, 3]}})
+        .find({"$fts": query})
+        .data().length)
+      .toBe(2);
+
+    expect(
+      coll2
+        .chain()
+        .find({"$fts": query})
+        .find({"user.id": {"$in": [1, 2, 3]}})
+        .data().length)
+      .toBe(2);
+  });
+
   it("update", () => {
     coll.updateWhere((user: User) => {
       return user.name === "quak";

packages/full-text-search/src/full_text_search.ts

@@ -44,9 +44,9 @@ export class FullTextSearch {
   }
 
   public addDocument(doc: object, id: number = doc[this._id]): void {
-    let fieldNames = Object.keys(doc);
+    let fieldNames = Object.keys(this._invIdxs);
     for (let i = 0, fieldName; i < fieldNames.length, fieldName = fieldNames[i]; i++) {
-      if (this._invIdxs[fieldName] !== undefined) {
+      if (doc[fieldName] !== undefined) {
         this._invIdxs[fieldName].insert(doc[fieldName], id);
       }
     }