{"id":28637,"date":"2026-09-01T13:04:01","date_gmt":"2026-09-01T13:04:01","guid":{"rendered":"https:\/\/umang.pk\/2026\/09\/01\/%d9%81%d8%a7%d8%a6%d8%b1-%d8%a7%d8%b3%d9%b9%d9%88%d8%b1-%da%88%db%8c%d9%b9%d8%a7-%da%a9%d9%88-%da%a9%d8%b3-%d8%b7%d8%b1%d8%ad-%d9%85%d9%86%d8%b8%d9%85-%da%a9%d8%b1%d8%aa%d8%a7-%db%81%db%92-%d8%a7\/"},"modified":"2026-09-01T13:04:04","modified_gmt":"2026-09-01T13:04:04","slug":"%d9%81%d8%a7%d8%a6%d8%b1-%d8%a7%d8%b3%d9%b9%d9%88%d8%b1-%da%88%db%8c%d9%b9%d8%a7-%da%a9%d9%88-%da%a9%d8%b3-%d8%b7%d8%b1%d8%ad-%d9%85%d9%86%d8%b8%d9%85-%da%a9%d8%b1%d8%aa%d8%a7-%db%81%db%92-%d8%a7","status":"publish","type":"post","link":"https:\/\/umang.pk\/ur\/2026\/09\/01\/%d9%81%d8%a7%d8%a6%d8%b1-%d8%a7%d8%b3%d9%b9%d9%88%d8%b1-%da%88%db%8c%d9%b9%d8%a7-%da%a9%d9%88-%da%a9%d8%b3-%d8%b7%d8%b1%d8%ad-%d9%85%d9%86%d8%b8%d9%85-%da%a9%d8%b1%d8%aa%d8%a7-%db%81%db%92-%d8%a7\/","title":{"rendered":"\u0641\u0627\u0626\u0631 \u0627\u0633\u0679\u0648\u0631 \u0688\u06cc\u0679\u0627 \u06a9\u0648 \u06a9\u0633 \u0637\u0631\u062d \u0645\u0646\u0638\u0645 \u06a9\u0631\u062a\u0627 \u06c1\u06d2 \u0627\u0648\u0631 \u0627\u0633\u06d2 CRUD \u0622\u067e\u0631\u06cc\u0634\u0646\u0632 \u06a9\u0631\u0646\u06d2 \u06a9\u06d2 \u0644\u06cc\u06d2 \u06a9\u06cc\u0633\u06d2 \u0627\u0633\u062a\u0639\u0645\u0627\u0644 \u06a9\u06cc\u0627 \u062c\u0627\u062a\u0627 \u06c1\u06d2\u06d4"},"content":{"rendered":"\n<div id=\"\">\n<p>\u0632\u06cc\u0627\u062f\u06c1 \u062a\u0631 \u0627\u06cc\u067e\u0633 \u06a9\u0648 \u0622\u062e\u0631 \u06a9\u0627\u0631 \u0688\u06cc\u0679\u0627 \u06a9\u0648 \u0627\u0633\u0679\u0648\u0631 \u0627\u0648\u0631 \u06c1\u06cc\u0631\u0627 \u067e\u06be\u06cc\u0631\u06cc \u06a9\u0631\u0646\u06d2 \u06a9\u06cc \u0636\u0631\u0648\u0631\u062a \u06c1\u0648\u062a\u06cc \u06c1\u06d2\u06d4 \u062c\u0628 \u0622\u067e Firebase \u06a9\u06d2 \u0633\u0627\u062a\u06be \u0628\u0646\u0627\u062a\u06d2 \u06c1\u06cc\u06ba\u060c \u062a\u0648 \u0622\u067e \u06a9\u0627 \u0688\u06cc\u0679\u0627 Firestore\u060c Google \u06a9\u06d2 \u0644\u0686\u06a9\u062f\u0627\u0631 \u0627\u0648\u0631 \u0642\u0627\u0628\u0644 \u062a\u0648\u0633\u06cc\u0639 NoSQL \u062f\u0633\u062a\u0627\u0648\u06cc\u0632 \u0688\u06cc\u0679\u0627 \u0628\u06cc\u0633 \u0645\u06cc\u06ba \u0645\u062d\u0641\u0648\u0638 \u06c1\u0648\u062a\u0627 \u06c1\u06d2\u06d4<\/p>\n<p>\u0644\u06cc\u06a9\u0646 \u0627\u0633 \u0633\u06d2 \u067e\u06c1\u0644\u06d2 \u06a9\u06c1 \u0622\u067e \u0627\u0639\u062a\u0645\u0627\u062f \u06a9\u06d2 \u0633\u0627\u062a\u06be \u0688\u06cc\u0679\u0627 \u06a9\u0648 \u062a\u062e\u0644\u06cc\u0642\u060c \u067e\u0691\u06be\u060c \u0627\u067e \u0688\u06cc\u0679 \u0627\u0648\u0631 \u062d\u0630\u0641 \u06a9\u0631 \u0633\u06a9\u06cc\u06ba\u060c \u0622\u067e \u06a9\u0648 \u06cc\u06c1 \u0633\u0645\u062c\u06be\u0646\u0627 \u06c1\u0648\u06af\u0627 \u06a9\u06c1 Firestore \u062f\u0631\u0627\u0635\u0644 \u0645\u0639\u0644\u0648\u0645\u0627\u062a \u06a9\u0648 \u06a9\u0633 \u0637\u0631\u062d \u0645\u0646\u0638\u0645 \u06a9\u0631\u062a\u0627 \u06c1\u06d2\u06d4 \u06cc\u06c1 \u0627\u06cc\u0633 \u06a9\u06cc\u0648 \u0627\u06cc\u0644 \u0688\u06cc\u0679\u0627 \u0628\u06cc\u0633 \u06a9\u06cc \u0637\u0631\u062d \u0646\u0638\u0631 \u0646\u06c1\u06cc\u06ba \u0622\u062a\u0627\u060c \u0627\u0648\u0631 \u0627\u0633 \u06a9\u0648 \u0627\u06cc\u0633 \u06a9\u06cc\u0648 \u0627\u06cc\u0644 \u0688\u06cc\u0679\u0627 \u0628\u06cc\u0633 \u06a9\u06cc \u0637\u0631\u062d \u0628\u0631\u062a\u0627\u0624 \u06af\u0646\u062f\u0627\u060c \u0645\u0634\u06a9\u0644 \u0633\u06d2 \u0627\u0633\u062a\u0641\u0633\u0627\u0631 \u06a9\u0631\u0646\u06d2 \u0648\u0627\u0644\u06d2 \u0688\u06cc\u0679\u0627 \u0688\u06be\u0627\u0646\u0686\u06d2 \u06a9\u0648 \u062e\u062a\u0645 \u06a9\u0631\u0646\u06d2 \u06a9\u0627 \u062a\u06cc\u0632 \u062a\u0631\u06cc\u0646 \u0637\u0631\u06cc\u0642\u06c1 \u06c1\u06d2\u06d4<\/p>\n<p>\u0627\u0633 \u0679\u06cc\u0648\u0679\u0648\u0631\u06cc\u0644 \u0645\u06cc\u06ba\u060c \u0622\u067e \u0633\u06cc\u06a9\u06be\u06cc\u06ba \u06af\u06d2 \u06a9\u06c1 Firestore \u06a9\u0627 NoSQL \u0688\u06cc\u0679\u0627 \u0645\u0627\u0688\u0644 \u06a9\u06cc\u0633\u06d2 \u06a9\u0627\u0645 \u06a9\u0631\u062a\u0627 \u06c1\u06d2\u060c \u0627\u0648\u0631 \u067e\u06be\u0631 Firebase Web SDK (v9+\u060c \u0645\u0627\u0688\u06cc\u0648\u0644\u0631) \u06a9\u0627 \u0627\u0633\u062a\u0639\u0645\u0627\u0644 \u06a9\u0631\u062a\u06d2 \u06c1\u0648\u0626\u06d2 \u062a\u0645\u0627\u0645 CRUD \u0622\u067e\u0631\u06cc\u0634\u0646\u0632 \u06a9\u06cc \u0645\u0634\u0642 \u06a9\u0631\u0646\u06d2 \u06a9\u06d2 \u0644\u06cc\u06d2 \u0627\u06cc\u06a9 \u0686\u06be\u0648\u0679\u06cc \u0679\u0627\u0633\u06a9 \u0645\u06cc\u0646\u062c\u0645\u0646\u0679 \u0627\u06cc\u067e \u0628\u0646\u0627\u0626\u06cc\u06ba\u06d4 \u0622\u062e\u0631 \u0645\u06cc\u06ba\u060c \u0622\u067e \u0622\u067e\u0631\u06cc\u0634\u0646\u0632\u060c \u0627\u0633\u062a\u0641\u0633\u0627\u0631\u060c \u0646\u06cc\u0633\u0679\u0688 \u0641\u06cc\u0644\u0688\u0632 \u0627\u0648\u0631 \u0635\u0641\u0648\u06ba \u06a9\u0648 \u0627\u067e \u0688\u06cc\u0679 \u06a9\u0631 \u0633\u06a9\u062a\u06d2 \u06c1\u06cc\u06ba\u060c \u0627\u0648\u0631 \u063a\u06cc\u0631 \u0645\u0646\u0633\u0644\u06a9 \u0630\u06cc\u0644\u06cc \u062c\u0645\u0639\u0648\u06ba \u06a9\u0648 \u0686\u06be\u0648\u0691\u06d2 \u0628\u063a\u06cc\u0631 \u0688\u06cc\u0679\u0627 \u06a9\u0648 \u0645\u062d\u0641\u0648\u0638 \u0637\u0631\u06cc\u0642\u06d2 \u0633\u06d2 \u062d\u0630\u0641 \u06a9\u0631 \u0633\u06a9\u062a\u06d2 \u06c1\u06cc\u06ba\u06d4<\/p>\n<h3 id=\"heading-table-of-contents\">\u0627\u0646\u0688\u06cc\u06a9\u0633<\/h3>\n<h3 id=\"heading-prerequisites\">\u0634\u0631\u0637\u06cc\u06ba<\/h3>\n<p>\u0634\u0631\u0648\u0639 \u06a9\u0631\u0646\u06d2 \u0633\u06d2 \u067e\u06c1\u0644\u06d2\u060c \u06cc\u0642\u06cc\u0646\u06cc \u0628\u0646\u0627\u0626\u06cc\u06ba \u06a9\u06c1 \u0622\u067e \u06a9\u06d2 \u067e\u0627\u0633 \u062f\u0631\u062c \u0630\u06cc\u0644 \u06c1\u06cc\u06ba:<\/p>\n<ul>\n<li>\n<p><strong>Node.js v18 \u06cc\u0627 \u0627\u0633 \u0633\u06d2 \u0632\u06cc\u0627\u062f\u06c1<\/strong> (<code>node --version<\/code>)<\/p>\n<\/li>\n<li>\n<p>\u06a9\u0648\u0626\u06cc \u0631\u0627\u0633\u062a\u06c1 \u0646\u06c1\u06cc\u06ba <strong>\u06af\u0648\u06af\u0644 \u0627\u06a9\u0627\u0624\u0646\u0679<\/strong> \u0627\u06cc\u06a9 Firebase \u067e\u0631\u0648\u062c\u06cc\u06a9\u0679 \u0628\u0646\u0627\u0626\u06cc\u06ba (\u0645\u0641\u062a \u0627\u0633\u067e\u0627\u0631\u06a9 \u067e\u0644\u0627\u0646 \u0627\u0633 \u0679\u06cc\u0648\u0679\u0648\u0631\u06cc\u0644 \u06a9\u06d2 \u0644\u06cc\u06d2 \u06a9\u0627\u0641\u06cc \u06c1\u06d2)<\/p>\n<\/li>\n<li>\n<p>\u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u067e\u0679 \u06a9\u0627 \u0628\u0646\u06cc\u0627\u062f\u06cc \u0639\u0644\u0645\u060c \u0628\u0634\u0645\u0648\u0644: <code>async<\/code>\/<code>await<\/code> \u0627\u0648\u0631 ES \u0645\u0627\u0688\u06cc\u0648\u0644<\/p>\n<\/li>\n<li>\n<p>\u06a9\u0648\u0688 \u0627\u06cc\u0688\u06cc\u0679\u0631 \u0627\u0648\u0631 \u0679\u0631\u0645\u06cc\u0646\u0644<\/p>\n<\/li>\n<\/ul>\n<p>\u06cc\u06c1 \u06af\u0627\u0626\u06cc\u0688 \u0622\u067e \u06a9\u0648 \u0628\u0646\u06cc\u0627\u062f\u06cc \u0628\u0627\u062a\u0648\u06ba \u0633\u06d2 \u0644\u06cc\u062a\u0627 \u06c1\u06d2\u060c \u0644\u06c1\u0630\u0627 \u0622\u067e \u06a9\u0648 Firebase \u06cc\u0627 NoSQL \u0688\u06cc\u0679\u0627 \u0628\u06cc\u0633 \u06a9\u06d2 \u0633\u0627\u062a\u06be \u06a9\u0633\u06cc \u067e\u06cc\u0634\u06af\u06cc \u062a\u062c\u0631\u0628\u06d2 \u06a9\u06cc \u0636\u0631\u0648\u0631\u062a \u0646\u06c1\u06cc\u06ba \u06c1\u06d2\u06d4<\/p>\n<h2 id=\"heading-how-firestore-structures-data\">Firestore \u0688\u06cc\u0679\u0627 \u06a9\u06cc \u0633\u0627\u062e\u062a \u06a9\u06cc\u0633\u06d2 \u0628\u0646\u0627\u062a\u0627 \u06c1\u06d2\u06d4<\/h2>\n<p>\u0627\u06af\u0631 \u0622\u067e \u0631\u0634\u062a\u06c1 \u062f\u0627\u0631 (SQL) \u067e\u0633 \u0645\u0646\u0638\u0631 \u0633\u06d2 \u0622\u062a\u06d2 \u06c1\u06cc\u06ba\u060c \u062a\u0648 \u0622\u067e \u06a9\u0648 \u0633\u0628 \u0633\u06d2 \u067e\u06c1\u0644\u06cc \u0686\u06cc\u0632 \u062c\u0648 \u0633\u06cc\u06a9\u06be\u0646\u06d2 \u06a9\u06cc \u0636\u0631\u0648\u0631\u062a \u06c1\u06d2 \u0648\u06c1 \u06c1\u06d2 \u0641\u06a9\u0633\u0688 \u0627\u0633\u06a9\u06cc\u0645\u0648\u06ba \u0627\u0648\u0631 \u063a\u06cc\u0631 \u0645\u0644\u06a9\u06cc \u06a9\u0644\u06cc\u062f\u0648\u06ba \u06a9\u06d2 \u0633\u0627\u062a\u06be \u062c\u062f\u0648\u0644\u0648\u06ba \u06a9\u0627 \u062e\u06cc\u0627\u0644\u06d4 \u0641\u0627\u0626\u0631 \u0627\u0633\u0679\u0648\u0631 <strong>\u062f\u0633\u062a\u0627\u0648\u06cc\u0632 \u067e\u0631 \u0645\u0628\u0646\u06cc NoSQL \u0688\u06cc\u0679\u0627 \u0628\u06cc\u0633<\/strong>\u06c1\u0645 \u0627\u067e\u0646\u06d2 \u0688\u06cc\u0679\u0627 \u06a9\u0648 \u062f\u0648 \u0627\u06c1\u0645 \u062a\u0635\u0648\u0631\u0627\u062a \u06a9\u06d2 \u06af\u0631\u062f \u062a\u0631\u062a\u06cc\u0628 \u062f\u06cc\u062a\u06d2 \u06c1\u06cc\u06ba: <strong>\u0645\u062c\u0645\u0648\u0639\u06c1<\/strong> \u0627\u0648\u0631 <strong>\u062f\u0633\u062a\u0627\u0648\u06cc\u0632<\/strong>.<\/p>\n<ul>\n<li>\n<p>\u0645\u062c\u0645\u0648\u0639\u06c1 \u0627\u06cc\u06a9 \u0646\u0627\u0645\u0632\u062f \u0628\u0627\u0644\u0679\u06cc \u06c1\u06d2 \u062c\u0633 \u0645\u06cc\u06ba \u062f\u0633\u062a\u0627\u0648\u06cc\u0632\u0627\u062a \u06c1\u0648\u062a\u06cc \u06c1\u06cc\u06ba\u06d4 \u0633\u0648\u0686\u0648 <code>tasks<\/code>\u060c <code>users<\/code>\u06cc\u0627 <code>orders<\/code>.<\/p>\n<\/li>\n<li>\n<p>\u0627\u06cc\u06a9 \u062f\u0633\u062a\u0627\u0648\u06cc\u0632 \u0627\u06cc\u06a9 \u0645\u062c\u0645\u0648\u0639\u06c1 \u06a9\u06d2 \u0627\u0646\u062f\u0631 \u0627\u06cc\u06a9 \u0648\u0627\u062d\u062f \u0631\u06cc\u06a9\u0627\u0631\u0688 \u06c1\u06d2 \u062c\u0633 \u06a9\u06cc \u0634\u0646\u0627\u062e\u062a \u0627\u06cc\u06a9 \u0645\u0646\u0641\u0631\u062f ID \u0633\u06d2 \u06c1\u0648\u062a\u06cc \u06c1\u06d2\u06d4 JSON \u0622\u0628\u062c\u06cc\u06a9\u0679 \u06a9\u06cc \u0637\u0631\u062d\u060c \u06cc\u06c1 \u0688\u06cc\u0679\u0627 \u06a9\u0648 \u06a9\u0644\u06cc\u062f\u06cc \u0642\u062f\u0631 \u06a9\u06d2 \u062c\u0648\u0691\u0648\u06ba \u06a9\u06d2 \u0637\u0648\u0631 \u067e\u0631 \u0627\u0633\u0679\u0648\u0631 \u06a9\u0631\u062a\u0627 \u06c1\u06d2\u06d4<\/p>\n<\/li>\n<\/ul>\n<p>\u06cc\u06c1\u0627\u06ba \u0627\u06cc\u06a9 \u0645\u0633\u0626\u0644\u06c1 \u06c1\u06d2 \u062c\u0648 \u0628\u06c1\u062a \u0633\u06d2 \u0646\u0626\u06d2 \u0622\u0646\u06d2 \u0648\u0627\u0644\u0648\u06ba \u06a9\u0648 \u062d\u06cc\u0631\u0627\u0646 \u06a9\u0631 \u062f\u06cc\u062a\u0627 \u06c1\u06d2: <strong>\u062f\u0633\u062a\u0627\u0648\u06cc\u0632\u0627\u062a \u06a9\u0648 \u0627\u06cc\u06a9 \u062c\u06cc\u0633\u06d2 \u0641\u06cc\u0644\u0688\u0632 \u06a9\u0627 \u0627\u0634\u062a\u0631\u0627\u06a9 \u06a9\u0631\u0646\u06d2 \u06a9\u06cc \u0636\u0631\u0648\u0631\u062a \u0646\u06c1\u06cc\u06ba \u06c1\u06d2\u06d4<\/strong>. \u0627\u06cc\u06a9 <code>task<\/code> \u062f\u0633\u062a\u0627\u0648\u06cc\u0632 \u06c1\u06d2\u06d4 <code>dueDate<\/code> \u062f\u0648\u0633\u0631\u06d2 \u0641\u06cc\u0644\u0688\u0632 \u0627\u06cc\u0633\u0627 \u0646\u06c1\u06cc\u06ba \u06a9\u0631\u062a\u06d2\u06d4 \u0641\u0627\u0626\u0631 \u0627\u0633\u0679\u0648\u0631 \u0688\u06cc\u0679\u0627 \u0628\u06cc\u0633 \u06a9\u06cc \u0633\u0637\u062d \u067e\u0631 \u0627\u0633\u06a9\u06cc\u0645\u0627 \u06a9\u0648 \u0646\u0627\u0641\u0630 \u0646\u06c1\u06cc\u06ba \u06a9\u0631\u062a\u0627 \u06c1\u06d2\u060c \u0627\u0633 \u0630\u0645\u06c1 \u062f\u0627\u0631\u06cc \u06a9\u0648 \u0627\u06cc\u067e\u0644\u06cc\u06a9\u06cc\u0634\u0646 \u06a9\u0648\u0688 \u067e\u0631 \u0645\u0646\u062a\u0642\u0644 \u06a9\u0631\u062a\u0627 \u06c1\u06d2\u06d4<\/p>\n<h4 id=\"heading-nesting-and-subcollections\">\u0646\u06cc\u0633\u0679\u0688 \u0627\u0648\u0631 \u0630\u06cc\u0644\u06cc \u0645\u062c\u0645\u0648\u0639\u06d2\u06d4<\/h4>\n<p>\u0627\u06cc\u06a9 \u062f\u0633\u062a\u0627\u0648\u06cc\u0632 \u0645\u06cc\u06ba \u062f\u0648 \u0642\u0633\u0645 \u06a9\u06d2 \u0646\u06cc\u0633\u0679\u0688 \u0688\u06cc\u0679\u0627 \u067e\u0631 \u0645\u0634\u062a\u0645\u0644 \u06c1\u0648 \u0633\u06a9\u062a\u0627 \u06c1\u06d2:<\/p>\n<ul>\n<li>\n<p><strong>\u0646\u0642\u0634\u06c1<\/strong>\u0627\u06cc\u06a9 \u0634\u06d2 \u06c1\u06d2 \u062c\u0648 \u0628\u0631\u0627\u06c1 \u0631\u0627\u0633\u062a \u06a9\u0633\u06cc \u062f\u0633\u062a\u0627\u0648\u06cc\u0632 \u06a9\u06d2 \u0627\u0646\u062f\u0631 \u0627\u0646\u062f\u0631 \u06a9\u06cc \u06af\u0626\u06cc \u06c1\u06d2\u060c \u062c\u06cc\u0633\u06d2 <code>metadata<\/code> \u067e\u0631 \u0645\u0634\u062a\u0645\u0644 \u0641\u06cc\u0644\u0688\u0632: <code>{ priority, dueDate }<\/code>)<\/p>\n<\/li>\n<li>\n<p><strong>\u0630\u06cc\u0644\u06cc \u0645\u062c\u0645\u0648\u0639\u06c1<\/strong>\u06cc\u06c1 \u0627\u06cc\u06a9 \u0645\u062e\u0635\u0648\u0635 \u062f\u0633\u062a\u0627\u0648\u06cc\u0632 \u06a9\u06d2 \u062a\u062d\u062a \u0627\u0646\u062f\u0631 \u0627\u0646\u062f\u0631 \u0627\u06cc\u06a9 \u0645\u06a9\u0645\u0644 \u0645\u062c\u0645\u0648\u0639\u06c1 \u06c1\u06d2 (\u0645\u062b\u0627\u0644 \u06a9\u06d2 \u0637\u0648\u0631 \u067e\u0631\u060c \u06c1\u0631 \u06a9\u0627\u0645 \u06a9\u06cc \u0627\u067e\u0646\u06cc \u062f\u0633\u062a\u0627\u0648\u06cc\u0632 \u06c1\u0648 \u0633\u06a9\u062a\u06cc \u06c1\u06d2)\u06d4 <code>comments<\/code> \u0630\u06cc\u0644\u06cc \u0645\u062c\u0645\u0648\u0639\u06d2)<\/p>\n<\/li>\n<\/ul>\n<p>\u06cc\u06c1 \u0622\u067e \u06a9\u0648 \u0627\u06cc\u06a9 \u0627\u06cc\u0633\u0627 \u0688\u06be\u0627\u0646\u0686\u06c1 \u062f\u06d2 \u06af\u0627 \u062c\u0648 \u062f\u0631\u062e\u062a \u06a9\u06cc \u0637\u0631\u062d \u0646\u0638\u0631 \u0622\u062a\u0627 \u06c1\u06d2\u06d4<\/p>\n<pre><code class=\"language-plaintext\">tasks (collection)\n \u2514\u2500\u2500 taskId (document)\n      \u251c\u2500\u2500 title: \"Article title\"\n      \u251c\u2500\u2500 completed: false\n      \u251c\u2500\u2500 tags: [\"writing\", \"firebase\"]\n      \u251c\u2500\u2500 metadata: { priority: \"high\", dueDate: <timestamp> }\n      \u2514\u2500\u2500 comments (subcollection)\n           \u2514\u2500\u2500 commentId (document)\n                \u251c\u2500\u2500 text: \"CRUD Article\"\n                \u2514\u2500\u2500 createdAt: <timestamp>\n<\/timestamp><\/timestamp><\/code><\/pre>\n<h4 id=\"heading-supported-data-types\">\u062a\u0627\u0626\u06cc\u062f \u0634\u062f\u06c1 \u0688\u06cc\u0679\u0627 \u06a9\u06cc \u0627\u0642\u0633\u0627\u0645<\/h4>\n<p>\u0641\u0627\u0626\u0631 \u0627\u0633\u0679\u0648\u0631 \u062f\u0633\u062a\u0627\u0648\u06cc\u0632\u0627\u062a \u06a9\u0626\u06cc \u0642\u062f\u06cc\u0645 \u0627\u0642\u0633\u0627\u0645 \u06a9\u0648 \u0645\u062d\u0641\u0648\u0638 \u06a9\u0631 \u0633\u06a9\u062a\u06d2 \u06c1\u06cc\u06ba\u06d4 \u062c\u0646 \u06a9\u0648 \u0622\u067e \u0627\u06a9\u062b\u0631 \u0627\u0633\u062a\u0639\u0645\u0627\u0644 \u06a9\u0631\u06cc\u06ba \u06af\u06d2 \u0648\u06c1 \u06c1\u06cc\u06ba:<\/p>\n<table>\n<thead>\n<tr>\n<th>\u0632\u0645\u0631\u06c1<\/th>\n<th>\u06c1\u0627\u06ba<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><code>string<\/code><\/td>\n<td><code>\"Write CRUD article\"<\/code><\/td>\n<\/tr>\n<tr>\n<td><code>number<\/code><\/td>\n<td><code>42<\/code><\/td>\n<\/tr>\n<tr>\n<td><code>boolean<\/code><\/td>\n<td><code>true<\/code><\/td>\n<\/tr>\n<tr>\n<td><code>array<\/code><\/td>\n<td><code>[\"writing\", \"firebase\"]<\/code><\/td>\n<\/tr>\n<tr>\n<td><code>map<\/code><\/td>\n<td><code>{ priority: \"high\" }<\/code><\/td>\n<\/tr>\n<tr>\n<td><code>timestamp<\/code><\/td>\n<td><code>Timestamp.now()<\/code><\/td>\n<\/tr>\n<tr>\n<td><code>reference<\/code><\/td>\n<td>\u06a9\u0633\u06cc \u0627\u0648\u0631 \u062f\u0633\u062a\u0627\u0648\u06cc\u0632 \u06a9\u06cc \u0637\u0631\u0641 \u0627\u0634\u0627\u0631\u06c1 \u06a9\u0631\u06cc\u06ba\u06d4<\/td>\n<\/tr>\n<tr>\n<td><code>geopoint<\/code><\/td>\n<td>\u0639\u0631\u0636 \u0627\u0644\u0628\u0644\u062f\/\u0637\u0648\u0644 \u0627\u0644\u0628\u0644\u062f \u062c\u0648\u0691\u0627<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4 id=\"heading-why-this-matters-before-writing-crud-code\">CRUD \u06a9\u0648\u0688 \u0644\u06a9\u06be\u0646\u06d2 \u0633\u06d2 \u067e\u06c1\u0644\u06d2 \u06cc\u06c1 \u06a9\u06cc\u0648\u06ba \u0636\u0631\u0648\u0631\u06cc \u06c1\u06d2\u06d4<\/h4>\n<p>\u062a\u0645\u0627\u0645 CRUD \u0622\u067e\u0631\u06cc\u0634\u0646\u0632 \u062c\u0648 \u0622\u067e \u0628\u0639\u062f \u0645\u06cc\u06ba \u0644\u06a9\u06be\u06cc\u06ba \u06af\u06d2 \u062f\u0631\u062c \u0630\u06cc\u0644 \u0688\u06be\u0627\u0646\u0686\u06d2 \u067e\u0631 \u0645\u0646\u062d\u0635\u0631 \u06c1\u0648\u06ba \u06af\u06d2:<\/p>\n<ul>\n<li>\n<p><strong>\u0628\u0646\u0627\u0646\u0627<\/strong> \u0627\u0633 \u06a9\u0627 \u0645\u0637\u0644\u0628 \u06c1\u06d2 \u06a9\u06c1 \u062e\u0648\u062f \u06a9\u0627\u0631 \u0637\u0631\u06cc\u0642\u06d2 \u0633\u06d2 \u062a\u06cc\u0627\u0631 \u06a9\u0631\u062f\u06c1 ID \u06cc\u0627 \u062d\u0633\u0628 \u0636\u0631\u0648\u0631\u062a ID \u06a9\u0627 \u0627\u0633\u062a\u0639\u0645\u0627\u0644 \u06a9\u0631\u062a\u06d2 \u06c1\u0648\u0626\u06d2 \u06a9\u0633\u06cc \u0645\u062c\u0645\u0648\u0639\u06c1 \u0645\u06cc\u06ba \u062f\u0633\u062a\u0627\u0648\u06cc\u0632\u0627\u062a \u0634\u0627\u0645\u0644 \u06a9\u0631\u0646\u0627\u06d4<\/p>\n<\/li>\n<li>\n<p><strong>\u067e\u0691\u06be\u06cc\u06ba<\/strong> \u0627\u0633 \u06a9\u0627 \u0645\u0637\u0644\u0628 \u06c1\u06d2 \u06a9\u06c1 \u06a9\u0633\u06cc \u0627\u06cc\u06a9 \u062f\u0633\u062a\u0627\u0648\u06cc\u0632 \u06a9\u0648 ID \u06a9\u06d2 \u0630\u0631\u06cc\u0639\u06d2 \u0628\u0627\u0632\u06cc\u0627\u0641\u062a \u06a9\u0631\u0646\u0627 \u06cc\u0627 \u06a9\u0633\u06cc \u0633\u0648\u0627\u0644 \u0633\u06d2 \u0645\u0645\u0627\u062b\u0644 \u062f\u0633\u062a\u0627\u0648\u06cc\u0632\u0627\u062a \u06a9\u0627 \u0645\u062c\u0645\u0648\u0639\u06c1\u06d4<\/p>\n<\/li>\n<li>\n<p><strong>\u0627\u067e \u0688\u06cc\u0679<\/strong> \u0627\u0633 \u06a9\u0627 \u0645\u0637\u0644\u0628 \u06c1\u06d2 \u06a9\u0633\u06cc \u0645\u0648\u062c\u0648\u062f\u06c1 \u062f\u0633\u062a\u0627\u0648\u06cc\u0632 \u0645\u06cc\u06ba \u0641\u06cc\u0644\u0688\u0632 \u0645\u06cc\u06ba \u062a\u0631\u0645\u06cc\u0645 \u06a9\u0631\u0646\u0627\u060c \u0628\u0634\u0645\u0648\u0644 \u0646\u06cc\u0633\u0679\u0688 \u0645\u06cc\u067e\u0633 \u0627\u0648\u0631 \u0627\u0631\u06d2\u06d4<\/p>\n<\/li>\n<li>\n<p><strong>\u062d\u0630\u0641 \u06a9\u0631\u06cc\u06ba<\/strong> \u0645\u0637\u0644\u0628 \u062f\u0633\u062a\u0627\u0648\u06cc\u0632 \u0627\u0648\u0631 \u0641\u0627\u0626\u0631 \u0627\u0633\u0679\u0648\u0631 \u06a9\u0648 \u062d\u0630\u0641 \u06a9\u0631\u0646\u0627 <em>~ \u0646\u06c1\u06cc\u06ba<\/em> \u0630\u06cc\u0644\u06cc \u0645\u062c\u0645\u0648\u0639\u06c1 \u06a9\u0648 \u062e\u0648\u062f \u0628\u062e\u0648\u062f \u0635\u0627\u0641 \u06a9\u0631\u06cc\u06ba (\u0645\u0631\u062d\u0644\u06c1 6 \u0645\u06cc\u06ba \u062f\u06cc\u06a9\u06be\u0627 \u06af\u06cc\u0627 \u0627\u06cc\u06a9 \u0639\u0627\u0645 \u0645\u0633\u0626\u0644\u06c1)\u06d4<\/p>\n<\/li>\n<\/ul>\n<p>\u0627\u0628 \u062c\u0628 \u06a9\u06c1 \u06c1\u0645\u0627\u0631\u06d2 \u067e\u0627\u0633 \u0627\u067e\u0646\u0627 \u0630\u06c1\u0646\u06cc \u0645\u0627\u0688\u0644 \u062a\u06cc\u0627\u0631 \u06c1\u06d2\u060c \u0622\u0626\u06cc\u06d2 \u0627\u067e\u0646\u0627 \u067e\u0631\u0648\u062c\u06cc\u06a9\u0679 \u062a\u0631\u062a\u06cc\u0628 \u062f\u06cc\u06ba \u0627\u0648\u0631 \u06a9\u0648\u0688 \u0644\u06a9\u06be\u0646\u0627 \u0634\u0631\u0648\u0639 \u06a9\u0631\u06cc\u06ba\u06d4<\/p>\n<h3 id=\"heading-step-1-set-up-your-firebase-project\">\u0645\u0631\u062d\u0644\u06c1 1 \u2013 \u0627\u067e\u0646\u0627 Firebase \u067e\u0631\u0648\u062c\u06cc\u06a9\u0679 \u062a\u0631\u062a\u06cc\u0628 \u062f\u06cc\u06ba\u06d4<\/h3>\n<p>Firebase \u06a9\u0646\u0633\u0648\u0644 \u067e\u0631 \u062c\u0627\u0626\u06cc\u06ba \u0627\u0648\u0631 \u0627\u06cc\u06a9 \u0646\u06cc\u0627 \u067e\u0631\u0648\u062c\u06cc\u06a9\u0679 \u0628\u0646\u0627\u0626\u06cc\u06ba\u06d4<\/p>\n<ol>\n<li>\n<p>\u06a9\u0644\u06a9 \u06a9\u0631\u06cc\u06ba <strong>\u067e\u0631\u0648\u062c\u06cc\u06a9\u0679 \u0634\u0627\u0645\u0644 \u06a9\u0631\u06cc\u06ba\u06d4<\/strong>\u0627\u0633\u06d2 \u0627\u06cc\u06a9 \u0646\u0627\u0645 \u062f\u06cc\u06ba\u060c \u062c\u06cc\u0633\u06d2 <code>crud-tasks-demo<\/code>)\u060c \u0633\u06cc\u0679 \u0627\u067e \u0648\u0632\u0631\u0688 \u06a9\u06cc \u067e\u06cc\u0631\u0648\u06cc \u06a9\u0631\u06cc\u06ba (Google Analytics \u0627\u0633 \u0679\u06cc\u0648\u0679\u0648\u0631\u06cc\u0644 \u0645\u06cc\u06ba \u0627\u062e\u062a\u06cc\u0627\u0631\u06cc \u06c1\u06d2)\u06d4<\/p>\n<\/li>\n<li>\n<p>\u067e\u0631\u0648\u062c\u06cc\u06a9\u0679 \u0628\u0646\u0646\u06d2 \u06a9\u06d2 \u0628\u0639\u062f\u060c \u0628\u0627\u0626\u06cc\u06ba \u0633\u0627\u0626\u0688\u0628\u0627\u0631 \u06a9\u06be\u0648\u0644\u06cc\u06ba \u0627\u0648\u0631 <strong>\u0688\u06cc\u0679\u0627 \u0628\u06cc\u0633 \u0627\u0648\u0631 \u0627\u0633\u0679\u0648\u0631\u06cc\u062c<\/strong> \u067e\u06be\u0631 <strong>\u0641\u0627\u0626\u0631 \u0627\u0633\u0679\u06cc\u0634\u0646<\/strong>.<\/p>\n<\/li>\n<li>\n<p>\u06a9\u0644\u06a9 \u06a9\u0631\u06cc\u06ba <strong>\u0688\u06cc\u0679\u0627 \u0628\u06cc\u0633 \u0628\u0646\u0627\u0626\u06cc\u06ba<\/strong>. \u0627\u067e\u0646\u06d2 \u0642\u0631\u06cc\u0628 \u0627\u06cc\u06a9 \u0645\u0642\u0627\u0645 \u06a9\u0627 \u0627\u0646\u062a\u062e\u0627\u0628 \u06a9\u0631\u06cc\u06ba \u0627\u0648\u0631 \u0627\u0633 \u0679\u06cc\u0648\u0679\u0648\u0631\u06cc\u0644 \u06a9\u0648 \u06cc\u06c1\u0627\u06ba \u0633\u06d2 \u0634\u0631\u0648\u0639 \u06a9\u0631\u06cc\u06ba: <strong>\u0679\u06cc\u0633\u0679 \u0645\u0648\u0688<\/strong> \u0622\u067e \u0627\u0628\u06be\u06cc \u062a\u06a9 \u06a9\u0633\u06cc \u0628\u06be\u06cc \u062d\u0641\u0627\u0638\u062a\u06cc \u0627\u0635\u0648\u0644 \u06a9\u0648 \u062a\u0631\u062a\u06cc\u0628 \u062f\u06cc\u0646\u06d2 \u06a9\u06d2 \u0628\u063a\u06cc\u0631 \u067e\u0691\u06be \u0627\u0648\u0631 \u0644\u06a9\u06be \u0633\u06a9\u062a\u06d2 \u06c1\u06cc\u06ba\u06d4<\/p>\n<\/li>\n<\/ol>\n<p><strong>\u0645\u06cc\u0645\u0648:<\/strong> \u0679\u06cc\u0633\u0679 \u0645\u0648\u0688 \u0645\u06cc\u06ba\u060c \u0688\u06cc\u0679\u0627 \u0628\u06cc\u0633 30 \u062f\u0646\u0648\u06ba \u06a9\u06d2 \u0644\u06cc\u06d2 \u0639\u0648\u0627\u0645 \u06a9\u06d2 \u0644\u06cc\u06d2 \u06a9\u06be\u0644\u0627 \u0631\u06c1\u062a\u0627 \u06c1\u06d2\u06d4 \u0645\u0646\u0627\u0633\u0628 Firestore \u062d\u0641\u0627\u0638\u062a\u06cc \u0627\u0635\u0648\u0644\u0648\u06ba \u06a9\u06d2 \u0628\u063a\u06cc\u0631 \u0627\u067e\u0646\u06cc \u0627\u06cc\u067e \u06a9\u0648 \u067e\u0631\u0648\u0688\u06a9\u0634\u0646 \u0645\u06cc\u06ba \u062c\u0627\u0631\u06cc \u0646\u06c1 \u06a9\u0631\u06cc\u06ba\u06d4 \u06c1\u0645 \u0688\u06cc\u0628\u06af\u0646\u06af \u0633\u06cc\u06a9\u0634\u0646 \u0645\u06cc\u06ba \u0627\u0633 \u06a9\u0627 \u0627\u062d\u0627\u0637\u06c1 \u06a9\u0631\u06cc\u06ba \u06af\u06d2\u06d4<\/p>\n<p>\u0627\u0628 \u0622\u067e \u0627\u067e\u0646\u0627 \u067e\u06c1\u0644\u0627 \u0645\u062c\u0645\u0648\u0639\u06c1 \u0648\u0635\u0648\u0644 \u06a9\u0631\u0646\u06d2 \u06a9\u06d2 \u0644\u06cc\u06d2 \u062a\u06cc\u0627\u0631 \u0627\u06cc\u06a9 \u062e\u0627\u0644\u06cc Firestore \u0688\u06cc\u0679\u0627 \u0628\u06cc\u0633 \u062f\u06cc\u06a9\u06be\u06cc\u06ba \u06af\u06d2\u06d4<\/p>\n<h3 id=\"heading-step-2-initialize-the-sdk\">\u0645\u0631\u062d\u0644\u06c1 2 &#8211; SDK \u0634\u0631\u0648\u0639 \u06a9\u0631\u06cc\u06ba\u06d4<\/h3>\n<p>\u0627\u06cc\u06a9 \u0646\u06cc\u0627 \u067e\u0631\u0648\u062c\u06cc\u06a9\u0679 \u0641\u0648\u0644\u0688\u0631 \u0628\u0646\u0627\u0626\u06cc\u06ba \u0627\u0648\u0631 Firebase \u0648\u06cc\u0628 SDK \u0627\u0646\u0633\u0679\u0627\u0644 \u06a9\u0631\u06cc\u06ba\u06d4<\/p>\n<pre><code class=\"language-shell\">mkdir firestore-crud-demo && cd firestore-crud-demo\nnpm init -y\nnpm install firebase\n<\/code><\/pre>\n<p>\u067e\u0631\u0648\u062c\u06cc\u06a9\u0679 \u06a9\u06cc \u06a9\u0646\u0641\u06cc\u06af\u0631\u06cc\u0634\u0646 \u0622\u0628\u062c\u06cc\u06a9\u0679 \u0627\u0633 \u0633\u06d2 \u062d\u0627\u0635\u0644 \u06a9\u0631\u06cc\u06ba: <strong>\u067e\u0631\u0648\u062c\u06cc\u06a9\u0679 \u06a9\u06cc \u062a\u0631\u062a\u06cc\u0628\u0627\u062a &#8211; \u0639\u0645\u0648\u0645\u06cc &#8211; \u0627\u06cc\u067e &#8211; \u0648\u06cc\u0628 \u0627\u06cc\u067e<\/strong> Firebase \u06a9\u0646\u0633\u0648\u0644 \u0645\u06cc\u06ba (\u0627\u06cc\u06a9 \u0646\u0626\u06cc \u0648\u06cc\u0628 \u0627\u06cc\u067e \u0631\u062c\u0633\u0679\u0631 \u06a9\u0631\u06cc\u06ba \u0627\u06af\u0631 \u0622\u067e \u06a9\u06d2 \u067e\u0627\u0633 \u067e\u06c1\u0644\u06d2 \u0633\u06d2 \u0646\u06c1\u06cc\u06ba \u06c1\u06d2)<\/p>\n<p>\u0628\u0646\u0627\u0646\u0627 <code>firebase-config.js<\/code> \u0641\u0627\u0626\u0644:<\/p>\n<pre><code class=\"language-javascript\">\/\/ firebase-config.js\nimport { initializeApp } from \"firebase\/app\";\nimport { getFirestore } from \"firebase\/firestore\";\n\nconst firebaseConfig = {\n  apiKey: \"YOUR_API_KEY\",\n  authDomain: \"YOUR_PROJECT_ID.firebaseapp.com\",\n  projectId: \"YOUR_PROJECT_ID\",\n  storageBucket: \"YOUR_PROJECT_ID.appspot.com\",\n  messagingSenderId: \"YOUR_SENDER_ID\",\n  appId: \"YOUR_APP_ID\",\n};\n\nconst app = initializeApp(firebaseConfig);\nexport const db = getFirestore(app);\n<\/code><\/pre>\n<p>CRUD \u06a9\u06cc \u062a\u0645\u0627\u0645 \u0645\u062b\u0627\u0644\u06cc\u06ba \u06cc\u06c1\u0627\u06ba \u062d\u0627\u0635\u0644 \u06a9\u0631\u06cc\u06ba\u06d4 <code>db<\/code> \u0627\u0633 \u0641\u0627\u0626\u0644 \u0645\u06cc\u06ba\u06d4 \u0627\u067e\u0646\u06cc \u0627\u0635\u0644 \u062a\u0631\u062a\u06cc\u0628 \u06a9\u06cc \u0627\u0642\u062f\u0627\u0631 \u06a9\u0648 \u0648\u0631\u0698\u0646 \u06a9\u0646\u0679\u0631\u0648\u0644 \u0645\u06cc\u06ba \u0631\u06a9\u06be\u06cc\u06ba (\u062d\u0642\u06cc\u0642\u06cc \u067e\u0631\u0648\u062c\u06cc\u06a9\u0679\u0633 \u0645\u06cc\u06ba\u060c \u0645\u0627\u062d\u0648\u0644\u06cc\u0627\u062a\u06cc \u0645\u062a\u063a\u06cc\u0631\u0627\u062a \u06a9\u0627 \u0627\u0633\u062a\u0639\u0645\u0627\u0644 \u06a9\u0631\u06cc\u06ba)\u06d4<\/p>\n<h3 id=\"heading-step-3-create-adding-tasks\">\u0645\u0631\u062d\u0644\u06c1 3 &#8211; \u062a\u062e\u0644\u06cc\u0642 \u06a9\u0631\u06cc\u06ba: \u0679\u0627\u0633\u06a9 \u0634\u0627\u0645\u0644 \u06a9\u0631\u06cc\u06ba\u06d4<\/h3>\n<p>Firestore \u0627\u06cc\u06a9 \u062f\u0633\u062a\u0627\u0648\u06cc\u0632 \u0628\u0646\u0627\u0646\u06d2 \u06a9\u06d2 \u062f\u0648 \u0637\u0631\u06cc\u0642\u06d2 \u0641\u0631\u0627\u06c1\u0645 \u06a9\u0631\u062a\u0627 \u06c1\u06d2: Firestore \u0633\u06d2 \u0627\u06cc\u06a9 ID \u062a\u06cc\u0627\u0631 \u06a9\u0631\u06cc\u06ba \u06cc\u0627 \u0627\u0633\u06d2 \u062e\u0648\u062f \u0633\u06cc\u0679 \u06a9\u0631\u06cc\u06ba\u06d4<\/p>\n<h4 id=\"heading-auto-generated-id-with-adddoc\">\u0627\u0633\u062a\u0639\u0645\u0627\u0644 \u06a9\u0631\u062a\u06d2 \u06c1\u0648\u0626\u06d2 \u062e\u0648\u062f\u06a9\u0627\u0631 \u0637\u0648\u0631 \u067e\u0631 \u062a\u06cc\u0627\u0631 \u06a9\u0631\u062f\u06c1 ID <code>addDoc()<\/code><\/h4>\n<pre><code class=\"language-javascript\">\/\/ create-task.js\nimport { collection, addDoc, Timestamp } from \"firebase\/firestore\";\nimport { db } from \".\/firebase-config.js\";\n\nasync function createTask() {\n  try {\n    const docRef = await addDoc(collection(db, \"tasks\"), {\n      title: \"Write CRUD article\",\n      completed: false,\n      tags: [\"writing\", \"firebase\"],\n      metadata: {\n        priority: \"high\",\n        dueDate: Timestamp.fromDate(new Date(\"2026-09-15\")),\n      },\n      createdAt: Timestamp.now(),\n    });\n    console.log(\"Task created with ID:\", docRef.id);\n  } catch (error) {\n    console.error(\"Error creating task:\", error);\n  }\n}\n\ncreateTask();\n<\/code><\/pre>\n<h4 id=\"heading-custom-id-with-setdoc\"><strong>\u062d\u0633\u0628 \u0636\u0631\u0648\u0631\u062a ID \u0628\u0634\u0645\u0648\u0644:<\/strong> <code>setDoc()<\/code><\/h4>\n<p>\u0627\u06af\u0631 \u0622\u067e \u062f\u0633\u062a\u0627\u0648\u06cc\u0632 IDs \u067e\u0631 \u0628\u0631\u0627\u06c1 \u0631\u0627\u0633\u062a \u06a9\u0646\u0679\u0631\u0648\u0644 \u062d\u0627\u0635\u0644 \u06a9\u0631\u0646\u0627 \u0686\u0627\u06c1\u062a\u06d2 \u06c1\u06cc\u06ba \u062a\u0648 \u0627\u0633 \u062e\u0635\u0648\u0635\u06cc\u062a \u06a9\u0627 \u0627\u0633\u062a\u0639\u0645\u0627\u0644 \u06a9\u0631\u06cc\u06ba\u060c \u0645\u062b\u0627\u0644 \u06a9\u06d2 \u0637\u0648\u0631 \u067e\u0631 \u062f\u0633\u062a\u0627\u0648\u06cc\u0632 \u06a9\u06cc IDs \u06a9\u0648 \u062f\u0648\u0633\u0631\u06d2 \u0633\u0633\u0679\u0645\u0632 \u0645\u06cc\u06ba IDs \u0633\u06d2 \u0645\u0644\u0627\u0646\u0627\u06d4<\/p>\n<pre><code class=\"language-javascript\">import { doc, setDoc } from \"firebase\/firestore\";\nimport { db } from \".\/firebase-config.js\";\n\nasync function createTaskWithId(taskId) {\n  await setDoc(doc(db, \"tasks\", taskId), {\n    title: \"Review pull request\",\n    completed: false,\n    tags: [\"code-review\"],\n  });\n}\n\ncreateTaskWithId(\"task-001\");\n<\/code><\/pre>\n<h4 id=\"heading-adding-a-document-to-a-subcollection\">\u0630\u06cc\u0644\u06cc \u0645\u062c\u0645\u0648\u0639\u0648\u06ba \u0645\u06cc\u06ba \u062f\u0633\u062a\u0627\u0648\u06cc\u0632\u0627\u062a \u0634\u0627\u0645\u0644 \u06a9\u0631\u06cc\u06ba\u06d4<\/h4>\n<p>\u0627\u06af\u0631 \u0622\u067e \u06a9\u0633\u06cc \u0645\u062e\u0635\u0648\u0635 \u06a9\u0627\u0645 \u0645\u06cc\u06ba \u062a\u0641\u0635\u06cc\u0644 \u0634\u0627\u0645\u0644 \u06a9\u0631\u0646\u0627 \u0686\u0627\u06c1\u062a\u06d2 \u06c1\u06cc\u06ba\u060c \u062a\u0648 \u0628\u0631\u0627\u06c1 \u06a9\u0631\u0645 \u067e\u06c1\u0644\u06d2 \u0628\u0646\u06cc\u0627\u062f\u06cc \u0645\u0636\u0645\u0648\u0646 \u06a9\u0627 \u062d\u0648\u0627\u0644\u06c1 \u062f\u06cc\u06ba\u06d4<\/p>\n<pre><code class=\"language-javascript\">import { collection, addDoc, Timestamp } from \"firebase\/firestore\";\nimport { db } from \".\/firebase-config.js\";\n\nasync function addComment(taskId, text) {\n  await addDoc(collection(db, \"tasks\", taskId, \"comments\"), {\n    text,\n    createdAt: Timestamp.now(),\n  });\n}\n\naddComment(\"task-001\", \"First draft done\");\n<\/code><\/pre>\n<h3 id=\"heading-step-4-read-querying-tasks\">\u0645\u0631\u062d\u0644\u06c1 4 \u2013 \u067e\u0691\u06be\u06cc\u06ba: \u0622\u067e\u0631\u06cc\u0634\u0646 \u06a9\u0627 \u0633\u0648\u0627\u0644<\/h3>\n<h4 id=\"heading-fetching-a-single-document\">\u0648\u0627\u062d\u062f \u062f\u0633\u062a\u0627\u0648\u06cc\u0632 \u062f\u0631\u0622\u0645\u062f \u06a9\u0631\u06cc\u06ba\u06d4<\/h4>\n<pre><code class=\"language-javascript\">import { doc, getDoc } from \"firebase\/firestore\";\nimport { db } from \".\/firebase-config.js\";\n\nasync function getTask(taskId) {\n  const snapshot = await getDoc(doc(db, \"tasks\", taskId));\n  if (snapshot.exists()) {\n    console.log(snapshot.id, snapshot.data());\n  } else {\n    console.log(\"No such task.\");\n  }\n}\n\ngetTask(\"task-001\");\n<\/code><\/pre>\n<h4 id=\"heading-fetching-an-entire-collection\">\u067e\u0648\u0631\u0627 \u0645\u062c\u0645\u0648\u0639\u06c1 \u062d\u0627\u0635\u0644 \u06a9\u0631\u06cc\u06ba\u06d4<\/h4>\n<pre><code class=\"language-javascript\">import { collection, getDocs } from \"firebase\/firestore\";\nimport { db } from \".\/firebase-config.js\";\n\nasync function getAllTasks() {\n  const snapshot = await getDocs(collection(db, \"tasks\"));\n  snapshot.forEach((doc) => {\n    console.log(doc.id, doc.data());\n  });\n}\n\ngetAllTasks();\n<\/code><\/pre>\n<h4 id=\"heading-filtering-with-queries\">\u0627\u0633\u062a\u0641\u0633\u0627\u0631 \u06a9\u06d2 \u0644\u062d\u0627\u0638 \u0633\u06d2 \u0641\u0644\u0679\u0631 \u06a9\u0631\u06cc\u06ba\u06d4<\/h4>\n<pre><code class=\"language-javascript\">import { collection, query, where, orderBy, limit, getDocs } from \"firebase\/firestore\";\nimport { db } from \".\/firebase-config.js\";\n\nasync function getUrgentPendingTasks() {\n  const q = query(\n    collection(db, \"tasks\"),\n    where(\"completed\", \"==\", false),\n    orderBy(\"metadata.priority\"),\n    limit(10)\n  );\n\n  const snapshot = await getDocs(q);\n  snapshot.forEach((doc) => console.log(doc.id, doc.data()));\n}\n\ngetUrgentPendingTasks();\n<\/code><\/pre>\n<p><strong>\u0627\u062d\u062a\u06cc\u0627\u0637:<\/strong> \u0645\u062c\u0645\u0648\u0639\u06c1 <code>where()<\/code> \u0627\u06cc\u06a9 \u0645\u06cc\u062f\u0627\u0646 \u0645\u06cc\u06ba <code>orderBy()<\/code> \u062f\u0648\u0633\u0631\u06cc \u0637\u0631\u0641\u060c \u0627\u06a9\u062b\u0631 <strong>\u062c\u0627\u0645\u0639 \u0627\u0646\u0688\u06cc\u06a9\u0633<\/strong>. \u0641\u0627\u0626\u0631 \u0627\u0633\u0679\u0648\u0631 \u06a9\u0646\u0633\u0648\u0644 \u0645\u06cc\u06ba \u0627\u0633\u06d2 \u067e\u06cc\u062f\u0627 \u06a9\u0631\u0646\u06d2 \u06a9\u06d2 \u0644\u06cc\u06d2 \u0628\u0631\u0627\u06c1 \u0631\u0627\u0633\u062a \u0644\u0646\u06a9 \u06a9\u06d2 \u0633\u0627\u062a\u06be \u0627\u06cc\u06a9 \u063a\u0644\u0637\u06cc \u067e\u06be\u06cc\u0646\u06a9 \u062f\u06cc\u062a\u0627 \u06c1\u06d2\u06d4 \u0627\u0633 \u0628\u0627\u0631\u06d2 \u0645\u06cc\u06ba \u0645\u0632\u06cc\u062f \u0645\u0639\u0644\u0648\u0645\u0627\u062a \u06a9\u06d2 \u0644\u06cc\u06d2\u060c \u0688\u06cc\u0628\u06af\u0646\u06af \u062f\u06cc\u06a9\u06be\u06cc\u06ba\u06d4<\/p>\n<h4 id=\"heading-real-time-updates-with-onsnapshot\">\u0631\u06cc\u0626\u0644 \u0679\u0627\u0626\u0645 \u0627\u067e\u0688\u06cc\u0679\u0633 <code>onSnapshot()<\/code><\/h4>\n<p>\u0622\u067e \u0631\u06cc\u0626\u0644 \u0679\u0627\u0626\u0645 \u062a\u0628\u062f\u06cc\u0644\u06cc\u0648\u06ba \u06a9\u0648 \u0635\u0631\u0641 \u0627\u06cc\u06a9 \u0628\u0627\u0631 \u0644\u0627\u0646\u06d2 \u06a9\u06d2 \u0628\u062c\u0627\u0626\u06d2 \u0633\u0628\u0633\u06a9\u0631\u0627\u0626\u0628 \u06a9\u0631 \u0633\u06a9\u062a\u06d2 \u06c1\u06cc\u06ba\u06d4 \u06cc\u06c1 \u06a9\u0627\u0645 \u06a9\u06cc \u0641\u06c1\u0631\u0633\u062a\u0648\u06ba \u06a9\u06d2 \u0644\u06cc\u06d2 \u0645\u0641\u06cc\u062f \u06c1\u06d2 \u062c\u0648 \u0645\u062a\u0639\u062f\u062f \u0622\u0644\u0627\u062a \u067e\u0631 \u0641\u0648\u0631\u06cc \u0637\u0648\u0631 \u067e\u0631 \u0627\u067e \u0688\u06cc\u0679 \u06c1\u0648 \u062c\u0627\u062a\u06cc \u06c1\u06cc\u06ba\u06d4<\/p>\n<pre><code class=\"language-javascript\">import { collection, onSnapshot } from \"firebase\/firestore\";\nimport { db } from \".\/firebase-config.js\";\n\nconst unsubscribe = onSnapshot(collection(db, \"tasks\"), (snapshot) => {\n  snapshot.docChanges().forEach((change) => {\n    console.log(change.type, change.doc.id, change.doc.data());\n  });\n});\n\n\/\/ Call unsubscribe() when you no longer need updates (e.g., component unmount)\n<\/code><\/pre>\n<h3 id=\"heading-step-5-update-modifying-tasks\">\u0645\u0631\u062d\u0644\u06c1 5 &#8211; \u0627\u067e \u0688\u06cc\u0679 \u06a9\u0631\u06cc\u06ba: \u06a9\u0627\u0645 \u0645\u06cc\u06ba \u062a\u0631\u0645\u06cc\u0645 \u06a9\u0631\u06cc\u06ba\u06d4<\/h3>\n<h4 id=\"heading-partial-update-with-updatedoc\">\u062c\u0632\u0648\u06cc \u0627\u067e \u0688\u06cc\u0679 <code>updateDoc()<\/code><\/h4>\n<p>\u063a\u06cc\u0631 \u0645\u0633\u0627\u0648\u06cc <code>setDoc()<\/code>\u060c <code>updateDoc()<\/code> \u06cc\u06c1 \u0635\u0631\u0641 \u0622\u067e \u06a9\u06d2 \u0628\u06cc\u0627\u0646 \u06a9\u0631\u062f\u06c1 \u0641\u06cc\u0644\u0688\u0632 \u06a9\u0648 \u0686\u06be\u0648\u062a\u0627 \u06c1\u06d2\u06d4 \u062f\u0633\u062a\u0627\u0648\u06cc\u0632 \u0645\u06cc\u06ba \u0628\u0627\u0642\u06cc \u062a\u0645\u0627\u0645 \u0645\u0648\u0627\u062f \u0648\u06c1\u06cc \u0631\u06c1\u062a\u0627 \u06c1\u06d2\u06d4<\/p>\n<pre><code class=\"language-javascript\">import { doc, updateDoc } from \"firebase\/firestore\";\nimport { db } from \".\/firebase-config.js\";\n\nasync function completeTask(taskId) {\n  await updateDoc(doc(db, \"tasks\", taskId), {\n    completed: true,\n  });\n}\n\ncompleteTask(\"task-001\");\n<\/code><\/pre>\n<h4 id=\"heading-updating-a-nested-field-with-dot-notation\">\u0688\u0627\u0679 \u0646\u0648\u0679\u06cc\u0634\u0646 \u06a9\u06d2 \u0633\u0627\u062a\u06be \u0646\u06cc\u0633\u0679\u0688 \u0641\u06cc\u0644\u0688\u0632 \u06a9\u0648 \u0627\u067e \u0688\u06cc\u0679 \u06a9\u0631\u0646\u0627<\/h4>\n<p>\u067e\u0648\u0631\u06cc \u0686\u06cc\u0632 \u06a9\u0648 \u062f\u0648\u0628\u0627\u0631\u06c1 \u0644\u06a9\u06be\u0646\u06d2 \u06a9\u06cc \u0636\u0631\u0648\u0631\u062a \u0646\u06c1\u06cc\u06ba \u06c1\u06d2\u06d4 <code>metadata<\/code> \u0646\u0642\u0634\u06d2 \u06a9\u06d2 \u0627\u0646\u062f\u0631 \u06a9\u0633\u06cc \u0627\u06cc\u06a9 \u067e\u0631\u0627\u067e\u0631\u0679\u06cc \u06a9\u0648 \u062a\u0628\u062f\u06cc\u0644 \u06a9\u0631\u0646\u06d2 \u06a9\u06d2 \u0644\u06cc\u06d2:<\/p>\n<pre><code class=\"language-javascript\">await updateDoc(doc(db, \"tasks\", \"task-001\"), {\n  \"metadata.priority\": \"low\",\n});\n<\/code><\/pre>\n<h4 id=\"heading-updating-arrays-safely\">\u0627\u067e\u0646\u06cc \u0635\u0641 \u06a9\u0648 \u0645\u062d\u0641\u0648\u0638 \u0637\u0631\u06cc\u0642\u06d2 \u0633\u06d2 \u0627\u067e \u0688\u06cc\u0679 \u06a9\u0631\u06cc\u06ba\u06d4<\/h4>\n<p>\u0627\u0631\u06d2 \u0641\u06cc\u0644\u0688\u0632 \u06a9\u0648 \u0628\u0631\u0627\u06c1 \u0631\u0627\u0633\u062a \u0627\u0648\u0648\u0631 \u0631\u0627\u0626\u0679 \u06a9\u0631\u0646\u0627 \u06c1\u0645 \u0622\u06c1\u0646\u06af\u06cc \u06a9\u06d2 \u062d\u0627\u0644\u0627\u062a \u0645\u06cc\u06ba \u062e\u0637\u0631\u0646\u0627\u06a9 \u06c1\u06d2\u06d4 \u0627\u0633\u062a\u0639\u0645\u0627\u0644 \u06a9\u0631\u06cc\u06ba <code>arrayUnion()<\/code> \u0627\u0648\u0631 <code>arrayRemove()<\/code> \u0627\u0633 \u06a9\u06d2 \u0628\u062c\u0627\u0626\u06d2:<\/p>\n<pre><code class=\"language-javascript\">import { doc, updateDoc, arrayUnion, arrayRemove } from \"firebase\/firestore\";\nimport { db } from \".\/firebase-config.js\";\n\nasync function addTag(taskId, tag) {\n  await updateDoc(doc(db, \"tasks\", taskId), {\n    tags: arrayUnion(tag),\n  });\n}\n\nasync function removeTag(taskId, tag) {\n  await updateDoc(doc(db, \"tasks\", taskId), {\n    tags: arrayRemove(tag),\n  });\n}\n<\/code><\/pre>\n<p><code>arrayUnion()<\/code>    \u0688\u067e\u0644\u06cc\u06a9\u06cc\u0679 \u0627\u0642\u062f\u0627\u0631 \u0634\u0627\u0645\u0644 \u0646\u06c1 \u06a9\u0631\u06cc\u06ba\u06d4 <code>arrayRemove()<\/code> \u062a\u0645\u0627\u0645 \u0645\u0645\u0627\u062b\u0644 \u0645\u062b\u0627\u0644\u0648\u06ba \u06a9\u0648 \u06c1\u0679\u0627\u062a\u0627 \u06c1\u06d2\u06d4 \u062f\u0648\u0646\u0648\u06ba \u062c\u0648\u06c1\u0631\u06cc \u0637\u0648\u0631 \u067e\u0631 \u0633\u0631\u0648\u0631 \u067e\u0631 \u06a9\u0627\u0645 \u06a9\u0631\u062a\u06d2 \u06c1\u06cc\u06ba\u06d4<\/p>\n<h3 id=\"heading-step-6-delete-removing-tasks\">\u0645\u0631\u062d\u0644\u06c1 6 &#8211; \u062d\u0630\u0641 \u06a9\u0631\u06cc\u06ba: \u06a9\u0627\u0645 \u06a9\u0648 \u06c1\u0679\u0627 \u062f\u06cc\u06ba\u06d4<\/h3>\n<h4 id=\"heading-deleting-a-document\">\u062f\u0633\u062a\u0627\u0648\u06cc\u0632 \u06a9\u0648 \u062d\u0630\u0641 \u06a9\u0631\u06cc\u06ba\u06d4<\/h4>\n<pre><code class=\"language-javascript\">import { doc, deleteDoc } from \"firebase\/firestore\";\nimport { db } from \".\/firebase-config.js\";\n\nasync function deleteTask(taskId) {\n  await deleteDoc(doc(db, \"tasks\", taskId));\n}\n\ndeleteTask(\"task-001\");\n<\/code><\/pre>\n<h4 id=\"heading-the-subcollection-trap\">\u0633\u0628 \u06a9\u0644\u06cc\u06a9\u0634\u0646 \u0679\u0631\u06cc\u067e\u0633<\/h4>\n<p>\u067e\u06c1\u0644\u06d2 \u0630\u06a9\u0631 \u06a9\u0631\u062f\u06c1 \u0645\u0633\u0627\u0626\u0644 \u06cc\u06c1 \u06c1\u06cc\u06ba: \u062d\u0630\u0641 \u06a9\u0631\u06cc\u06ba\u06d4 <code>tasks\/task-001<\/code> \u06a9\u0631\u0648 <strong>~ \u0646\u06c1\u06cc\u06ba<\/strong> \u062d\u0630\u0641 \u06a9\u0631\u06cc\u06ba <code>comments<\/code> \u0630\u06cc\u0644\u06cc \u0645\u062c\u0645\u0648\u0639\u06c1\u06d4 \u062a\u0634\u0631\u06cc\u062d \u0634\u062f\u06c1 \u062f\u0633\u062a\u0627\u0648\u06cc\u0632 \u0639\u0644\u06cc\u062d\u062f\u06c1 \u06c1\u06d2 \u0627\u0648\u0631 \u0627\u0628 \u0628\u06be\u06cc \u0688\u06cc\u0679\u0627 \u0628\u06cc\u0633 \u0645\u06cc\u06ba \u0645\u0648\u062c\u0648\u062f \u06c1\u06d2\u06d4 \u0627\u06af\u0631 \u0622\u067e \u0631\u0627\u0633\u062a\u06c1 \u0646\u06c1\u06cc\u06ba \u062c\u0627\u0646\u062a\u06d2 \u06c1\u06cc\u06ba\u060c \u062a\u0648 \u0622\u067e UI \u06a9\u06d2 \u0630\u0631\u06cc\u0639\u06d2 \u0627\u0633 \u062a\u06a9 \u0631\u0633\u0627\u0626\u06cc \u062d\u0627\u0635\u0644 \u0646\u06c1\u06cc\u06ba \u06a9\u0631 \u0633\u06a9\u06cc\u06ba \u06af\u06d2\u06d4<\/p>\n<p>\u0635\u062d\u06cc\u062d \u0637\u0631\u06cc\u0642\u06d2 \u0633\u06d2 \u0635\u0627\u0641 \u06a9\u0631\u0646\u06d2 \u06a9\u06d2 \u0644\u06cc\u06d2\u060c \u067e\u06c1\u0644\u06d2 \u0686\u0627\u0626\u0644\u0688 \u06a9\u0644\u06cc\u06a9\u0634\u0646 \u0645\u06cc\u06ba \u0645\u0648\u062c\u0648\u062f \u062f\u0633\u062a\u0627\u0648\u06cc\u0632\u0627\u062a \u06a9\u0648 \u0688\u06cc\u0644\u06cc\u0679 \u06a9\u0631\u06cc\u06ba\u060c \u067e\u06be\u0631 \u067e\u06cc\u0631\u0646\u0679 \u06a9\u0644\u06cc\u06a9\u0634\u0646 \u06a9\u0648 \u0688\u06cc\u0644\u06cc\u0679 \u06a9\u0631\u06cc\u06ba\u06d4<\/p>\n<pre><code class=\"language-javascript\">import { collection, getDocs, doc, deleteDoc, writeBatch } from \"firebase\/firestore\";\nimport { db } from \".\/firebase-config.js\";\n\nasync function deleteTaskWithComments(taskId) {\n  const commentsRef = collection(db, \"tasks\", taskId, \"comments\");\n  const commentsSnapshot = await getDocs(commentsRef);\n\n  const batch = writeBatch(db);\n  commentsSnapshot.forEach((commentDoc) => {\n    batch.delete(commentDoc.ref);\n  });\n  batch.delete(doc(db, \"tasks\", taskId));\n\n  await batch.commit();\n}\n\ndeleteTaskWithComments(\"task-001\");\n<\/code><\/pre>\n<p><code>writeBatch()<\/code>    \u0645\u062a\u0639\u062f\u062f \u062d\u0630\u0641\u0648\u06ba \u06a9\u0648 \u0627\u06cc\u06a9 \u0627\u06cc\u0679\u0645 \u0622\u067e\u0631\u06cc\u0634\u0646 \u0645\u06cc\u06ba \u06af\u0631\u0648\u067e \u06a9\u0631\u062a\u0627 \u06c1\u06d2\u06d4 \u06cc\u0627 \u062a\u0648 \u0648\u06c1 \u0633\u0628 \u06a9\u0627\u0645\u06cc\u0627\u0628 \u06c1\u0648\u062a\u06d2 \u06c1\u06cc\u06ba \u06cc\u0627 \u0627\u0646 \u0645\u06cc\u06ba \u0633\u06d2 \u06a9\u0648\u0626\u06cc \u0628\u06be\u06cc \u06a9\u0627\u0645\u06cc\u0627\u0628 \u0646\u06c1\u06cc\u06ba \u06c1\u0648\u062a\u0627\u06d4<\/p>\n<h4 id=\"heading-deleting-a-single-field\">\u0627\u06cc\u06a9 \u0641\u06cc\u0644\u0688 \u06a9\u0648 \u062d\u0630\u0641 \u06a9\u0631\u06cc\u06ba\u06d4<\/h4>\n<p>\u067e\u0648\u0631\u06cc \u062f\u0633\u062a\u0627\u0648\u06cc\u0632 \u06a9\u0648 \u062d\u0630\u0641 \u06a9\u06cc\u06d2 \u0628\u063a\u06cc\u0631 \u0635\u0631\u0641 \u0627\u06cc\u06a9 \u0641\u06cc\u0644\u0688 \u06a9\u0648 \u06c1\u0679\u0627\u0646\u06d2 \u06a9\u06d2 \u0644\u06cc\u06d2\u060c \u0627\u0633\u062a\u0639\u0645\u0627\u0644 \u06a9\u0631\u06cc\u06ba: <code>deleteField()<\/code>:<\/p>\n<pre><code class=\"language-javascript\">import { doc, updateDoc, deleteField } from \"firebase\/firestore\";\nimport { db } from \".\/firebase-config.js\";\n\nawait updateDoc(doc(db, \"tasks\", \"task-001\"), {\n  metadata: deleteField(),\n});\n<\/code><\/pre>\n<h3 id=\"heading-debugging-common-issues\">\u0639\u0627\u0645 \u0645\u0633\u0627\u0626\u0644 \u06a9\u0648 \u0688\u06cc\u0628\u06af \u06a9\u0631\u0646\u0627<\/h3>\n<h4 id=\"heading-firebaseerror-missing-or-insufficient-permissions\"><code>FirebaseError: Missing or insufficient permissions<\/code><\/h4>\n<p>\u062d\u0641\u0627\u0638\u062a\u06cc \u0627\u0635\u0648\u0644 \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u06a9\u0648 \u0631\u0648\u06a9 \u0631\u06c1\u0627 \u06c1\u06d2\u06d4 \u0627\u06af\u0631 \u0622\u067e \u0627\u0628\u06be\u06cc \u0628\u06be\u06cc \u0679\u06cc\u0633\u0679\u0646\u06af \u0645\u0648\u0688 \u0645\u06cc\u06ba \u06c1\u06cc\u06ba\u060c \u062a\u0648 \u06cc\u0642\u06cc\u0646\u06cc \u0628\u0646\u0627\u0626\u06cc\u06ba \u06a9\u06c1 30 \u062f\u0646 \u06a9\u06cc \u0645\u062f\u062a \u062e\u062a\u0645 \u06c1\u0648 \u06af\u0626\u06cc \u06c1\u06d2 (\u062c\u0633 \u06a9\u06d2 \u0628\u0639\u062f \u06cc\u06c1 \u0627\u0635\u0648\u0644 Deny All \u067e\u0631 \u0648\u0627\u067e\u0633 \u0622 \u062c\u0627\u0626\u06d2 \u06af\u0627)\u06d4 \u062d\u0642\u06cc\u0642\u06cc \u0627\u06cc\u067e\u0633 \u06a9\u06d2 \u0644\u06cc\u06d2\u060c \u06cc\u06c1\u0627\u06ba \u0642\u0648\u0627\u0639\u062f \u06a9\u0627 \u062c\u0627\u0626\u0632\u06c1 \u0644\u06cc\u06ba: <strong>\u0641\u0627\u0626\u0631 \u0627\u0633\u0679\u06cc\u0634\u0646<\/strong> \u067e\u06be\u0631 <strong>\u062d\u06a9\u0645\u0631\u0627\u0646\u06cc<\/strong> \u0627\u0633 \u0628\u0627\u062a \u06a9\u0648 \u06cc\u0642\u06cc\u0646\u06cc \u0628\u0646\u0627\u0626\u06cc\u06ba \u06a9\u06c1 \u0622\u067e \u06a9\u06d2 \u0631\u0648\u0644 \u0628\u0644\u0627\u06a9\u0633 \u067e\u0691\u06be\u0646\u06d2 \u0627\u0648\u0631 \u0644\u06a9\u06be\u0646\u06d2 \u06a9\u06d2 \u0631\u0627\u0633\u062a\u0648\u06ba \u0633\u06d2 \u0645\u0645\u0627\u062b\u0644 \u06c1\u06cc\u06ba\u060c \u0628\u0634\u0645\u0648\u0644 \u06a9\u0648\u0626\u06cc \u0628\u06be\u06cc \u0630\u06cc\u0644\u06cc \u0645\u062c\u0645\u0648\u0639\u06c1 \u062c\u0633 \u06a9\u06d2 \u0644\u06cc\u06d2 \u0627\u0646 \u06a9\u06cc \u0636\u0631\u0648\u0631\u062a \u06c1\u06d2\u06d4<\/p>\n<h4 id=\"heading-function-adddoc-called-with-invalid-data-unsupported-field-value-undefined\"><code>Function addDoc() called with invalid data. Unsupported field value: undefined<\/code><\/h4>\n<p>\u0641\u0627\u0626\u0631 \u0627\u0633\u0679\u0648\u0631 \u0645\u0633\u062a\u0631\u062f \u06a9\u0631\u062a\u0627 \u06c1\u06d2\u06d4 <code>undefined<\/code> \u0627\u0633 \u06a9\u06d2 \u0628\u0631\u0639\u06a9\u0633\u060c \u0642\u062f\u0631\u06cc\u06ba \u0627\u0686\u06be\u06cc \u0637\u0631\u062d \u0633\u06d2 \u06c1\u06cc\u06ba\u06d4 <code>null<\/code>\u06cc\u06c1 \u0642\u0627\u0628\u0644 \u0642\u0628\u0648\u0644 \u06c1\u06d2\u06d4 \u06cc\u06c1 \u0639\u0627\u0645 \u0637\u0648\u0631 \u067e\u0631 \u0627\u0633 \u0648\u0642\u062a \u06c1\u0648\u062a\u0627 \u06c1\u06d2 \u062c\u0628 \u0641\u0627\u0631\u0645 \u06a9\u0627 \u0641\u06cc\u0644\u0688 \u062e\u0627\u0644\u06cc \u06c1\u0648\u062a\u0627 \u06c1\u06d2 \u0627\u0648\u0631 \u0622\u067e \u0627\u0633\u06d2 \u0633\u06cc\u062f\u06be\u06d2 \u0631\u0627\u0626\u0679 \u06a9\u0627\u0644 \u067e\u0631 \u0628\u06be\u06cc\u062c \u062f\u06cc\u062a\u06d2 \u06c1\u06cc\u06ba\u06d4 \u0641\u0644\u0679\u0631\u0646\u06af <code>undefined<\/code> \u0641\u06cc\u0644\u0688 \u0644\u06a9\u06be\u0646\u06d2 \u0633\u06d2 \u067e\u06c1\u0644\u06d2\u060c \u06cc\u0627 \u0628\u0637\u0648\u0631 \u0688\u06cc\u0641\u0627\u0644\u0679 \u062f\u0631\u062c \u06a9\u0631\u06cc\u06ba\u06d4 <code>null<\/code>.<\/p>\n<h4 id=\"heading-the-query-requires-an-index\"><code>The query requires an index<\/code><\/h4>\n<p>\u062c\u0628 \u0645\u0644\u0627\u06cc\u0627 \u062c\u0627\u0626\u06d2 \u062a\u0648 \u0627\u06cc\u0633\u0627 \u0644\u06af\u062a\u0627 \u06c1\u06d2\u06d4 <code>where()<\/code> \u0627\u0648\u0631 <code>orderBy()<\/code> \u0645\u062e\u062a\u0644\u0641 \u0641\u06cc\u0644\u0688\u0632 \u067e\u0631 \u0644\u0627\u06af\u0648 \u06c1\u0648\u062a\u0627 \u06c1\u06d2\u060c \u062c\u06cc\u0633\u0627 \u06a9\u06c1 \u0645\u0631\u062d\u0644\u06c1 4 \u06a9\u06cc \u0645\u062b\u0627\u0644 \u0645\u06cc\u06ba \u062f\u06a9\u06be\u0627\u06cc\u0627 \u06af\u06cc\u0627 \u06c1\u06d2\u06d4 Firestore \u0627\u0633 \u0627\u0633\u062a\u0641\u0633\u0627\u0631 \u06a9\u0648 \u062e\u0648\u062f\u06a9\u0627\u0631 \u0627\u0634\u0627\u0631\u06cc\u06c1 \u0633\u0627\u0632\u06cc \u06a9\u06d2 \u0633\u0627\u062a\u06be \u067e\u06cc\u0634 \u0646\u06c1\u06cc\u06ba \u06a9\u0631 \u0633\u06a9\u062a\u0627\u06d4 \u063a\u0644\u0637\u06cc \u06a9\u06d2 \u067e\u06cc\u063a\u0627\u0645 \u0645\u06cc\u06ba \u06a9\u0646\u0633\u0648\u0644 \u0645\u06cc\u06ba \u06a9\u0645\u067e\u0648\u0632\u0679 \u0627\u0646\u0688\u06cc\u06a9\u0633 \u06a9\u0648 \u067e\u06c1\u0644\u06d2 \u0633\u06d2 \u0622\u0628\u0627\u062f \u06a9\u0631\u0646\u06d2 \u06a9\u06d2 \u0644\u06cc\u06d2 \u0628\u0631\u0627\u06c1 \u0631\u0627\u0633\u062a \u0644\u0646\u06a9 \u0634\u0627\u0645\u0644 \u06c1\u06d2\u060c \u0627\u0633 \u067e\u0631 \u06a9\u0644\u06a9 \u06a9\u0631\u06cc\u06ba\u060c \u0627\u0646\u0688\u06cc\u06a9\u0633 \u0628\u0646\u0646\u06d2 \u06a9\u06d2 \u0644\u06cc\u06d2 \u0627\u06cc\u06a9 \u06cc\u0627 \u062f\u0648 \u0645\u0646\u0679 \u0627\u0646\u062a\u0638\u0627\u0631 \u06a9\u0631\u06cc\u06ba\u060c \u0627\u0648\u0631 \u067e\u06be\u0631 \u0627\u0633\u062a\u0641\u0633\u0627\u0631 \u06a9\u0648 \u062f\u0648\u0628\u0627\u0631\u06c1 \u0686\u0644\u0627\u0626\u06cc\u06ba\u06d4<\/p>\n<h4 id=\"heading-reads-adding-up-fast-quota-warnings\">\u062a\u06cc\u0632\u06cc \u0633\u06d2 \u0645\u0632\u06cc\u062f \u067e\u0691\u06be\u06cc\u06ba\/\u06a9\u0648\u0679\u06c1 \u0648\u0627\u0631\u0646\u0646\u06af<\/h4>\n<p>\u062a\u0645\u0627\u0645 \u062f\u0633\u062a\u0627\u0648\u06cc\u0632\u0627\u062a \u06a9\u06cc \u0637\u0631\u0641 \u0633\u06d2 \u0648\u0627\u067e\u0633 <code>getDocs()<\/code> \u06cc\u06c1 \u0644\u0648\u067e \u06a9\u0627\u0644 \u06a9\u06d2 \u0627\u0646\u062f\u0631 \u067e\u0691\u06be\u06d2 \u062c\u0627\u0646\u06d2 \u06a9\u06d2 \u0637\u0648\u0631 \u067e\u0631 \u0628\u06be\u06cc \u0634\u0645\u0627\u0631 \u06c1\u0648\u062a\u0627 \u06c1\u06d2\u06d4 <code>getDoc()<\/code> \u0628\u0627\u0631 \u0628\u0627\u0631 \u06a9\u0644\u0627\u0626\u0646\u0679 \u0633\u0627\u0626\u06cc\u0688 \u067e\u0631 \u0641\u0644\u0679\u0631 \u06a9\u0631\u0646\u06d2 \u06a9\u06d2 \u0644\u06cc\u06d2 \u067e\u0648\u0631\u06d2 \u0645\u062c\u0645\u0648\u0639\u06c1 \u06a9\u0648 \u06a9\u06be\u06cc\u0646\u0686\u0646\u06d2 \u0633\u06d2 \u06af\u0631\u06cc\u0632 \u06a9\u0631\u06cc\u06ba \u0627\u0648\u0631 \u0641\u0644\u0679\u0631\u0646\u06af \u06a9\u0648 \u0627\u0633\u062a\u0641\u0633\u0627\u0631 \u067e\u0631 \u062f\u06be\u06a9\u06cc\u0644\u06cc\u06ba: <code>where()<\/code> \u0627\u0633 \u06a9\u06d2 \u0628\u062c\u0627\u0626\u06d2 <code>limit()<\/code> \u06c1\u0631 \u0627\u0633 \u0686\u06cc\u0632 \u06a9\u06d2 \u0628\u0627\u0631\u06d2 \u0645\u06cc\u06ba \u062c\u0648 \u0644\u0627\u0645\u062d\u062f\u0648\u062f \u0628\u0691\u06be \u0633\u06a9\u062a\u06cc \u06c1\u06d2\u06d4<\/p>\n<h4 id=\"heading-orphaned-subcollections-after-delete\">\u062d\u0630\u0641 \u06c1\u0648\u0646\u06d2 \u06a9\u06d2 \u0628\u0639\u062f \u06cc\u062a\u06cc\u0645 \u0630\u06cc\u0644\u06cc \u062c\u0645\u0639<\/h4>\n<p>\u0627\u06af\u0631 \u06a9\u0648\u0626\u06cc \u062f\u0633\u062a\u0627\u0648\u06cc\u0632 \u062c\u0633 \u06a9\u06d2 \u0628\u0627\u0631\u06d2 \u0645\u06cc\u06ba \u0622\u067e \u0646\u06d2 \u0633\u0648\u0686\u0627 \u062a\u06be\u0627 \u06a9\u06c1 \u0622\u067e \u0646\u06d2 \u062d\u0630\u0641 \u06a9\u0631 \u062f\u06cc\u0627 \u06c1\u06d2 \u0648\u06c1 \u0627\u0628 \u0628\u06be\u06cc \u0622\u067e \u06a9\u0627 \u0630\u062e\u06cc\u0631\u06c1 \u0627\u0633\u062a\u0639\u0645\u0627\u0644 \u06a9\u0631 \u0631\u06c1\u06cc \u06c1\u06d2 \u06cc\u0627 \u0622\u067e \u06a9\u06cc \u0628\u0631\u0622\u0645\u062f \u0645\u06cc\u06ba \u062f\u06a9\u06be\u0627\u0626\u06cc \u062f\u06d2 \u0631\u06c1\u06cc \u06c1\u06d2\u060c \u062d\u0630\u0641 \u0634\u062f\u06c1 \u062f\u0633\u062a\u0627\u0648\u06cc\u0632 \u06a9\u06d2 \u0631\u0627\u0633\u062a\u06d2 \u06a9\u06d2 \u0646\u06cc\u0686\u06d2 \u0630\u06cc\u0644\u06cc \u062c\u0645\u0639 \u0686\u06cc\u06a9 \u06a9\u0631\u06cc\u06ba\u06d4 \u062c\u06cc\u0633\u0627 \u06a9\u06c1 \u0645\u0631\u062d\u0644\u06c1 6 \u0645\u06cc\u06ba \u062f\u06a9\u06be\u0627\u06cc\u0627 \u06af\u06cc\u0627 \u06c1\u06d2: <code>deleteDoc()<\/code> \u06cc\u06c1 \u06a9\u0628\u06be\u06cc \u0646\u06c1\u06cc\u06ba \u062c\u06be\u0691\u062a\u0627 \u06c1\u06d2 \u0627\u0648\u0631 \u0635\u0641\u0627\u0626\u06cc \u06c1\u0645\u06cc\u0634\u06c1 \u0622\u067e \u06a9\u06cc \u0630\u0645\u06c1 \u062f\u0627\u0631\u06cc \u06c1\u06d2\u06d4<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/umang.pk\/wp-content\/uploads\/2026\/09\/1788267841_208_\u0641\u0627\u0626\u0631-\u0627\u0633\u0679\u0648\u0631-\u0688\u06cc\u0679\u0627-\u06a9\u0648-\u06a9\u0633-\u0637\u0631\u062d-\u0645\u0646\u0638\u0645-\u06a9\u0631\u062a\u0627-\u06c1\u06d2-\u0627\u0648\u0631.jpg\" alt=\"\u06cc\u06c1 \u0627\u06cc\u06a9 \u0633\u0631\u06a9\u0644\u0631 \u0641\u0644\u0648 \u0686\u0627\u0631\u0679 \u06c1\u06d2 \u062c\u0648 \u0644\u06af\u0627\u062a\u0627\u0631 \u0686\u06a9\u0631\u0648\u06ba \u0645\u06cc\u06ba \u0686\u0627\u0631 CRUD \u0622\u067e\u0631\u06cc\u0634\u0646 \u062f\u06a9\u06be\u0627\u062a\u0627 \u06c1\u06d2: \u062a\u062e\u0644\u06cc\u0642\u060c \u067e\u0691\u06be\u06cc\u06ba\u060c \u0627\u067e \u0688\u06cc\u0679\u060c \u0627\u0648\u0631 \u062d\u0630\u0641 \u06a9\u0631\u06cc\u06ba\u06d4 \u06c1\u0631 \u0622\u067e\u0631\u06cc\u0634\u0646 \u067e\u0631 \u0645\u062a\u0639\u0644\u0642\u06c1 Firestore JavaScript \u0641\u0646\u06a9\u0634\u0646 (addDoc\/setDoc, getDoc\/getDocs\/onSnapshot, updateDoc\/arrayUnion\u060c deleteDoc\/writeBatch) \u06a9\u06d2 \u0633\u0627\u062a\u06be \u0644\u06cc\u0628\u0644 \u0644\u06af\u0627 \u06c1\u0648\u0627 \u06c1\u06d2 \u0627\u0648\u0631 \u06cc\u06c1 \u062f\u06a9\u06be\u0627\u062a\u0627 \u06c1\u06d2 \u06a9\u06c1 \u06cc\u06c1 \u0622\u067e\u0631\u06cc\u0634\u0646\u0632 \u0627\u06cc\u06a9 \u0639\u0627\u0645 \u0688\u06cc\u0679\u0627 \u0644\u0627\u0626\u0641 \u0633\u0627\u0626\u06cc\u06a9\u0644 \u0633\u06d2 \u06a9\u06cc\u0633\u06d2 \u0645\u062a\u0639\u0644\u0642 \u06c1\u06cc\u06ba\u06d4\" style=\"display:block;margin:0 auto\" width=\"600\" height=\"400\" loading=\"lazy\" title=\"\"><\/p>\n<h2 id=\"heading-conclusion\">\u0646\u062a\u06cc\u062c\u06c1<\/h2>\n<p>\u0627\u0628 \u0622\u067e \u06a9\u06d2 \u067e\u0627\u0633 Firestore \u0688\u06be\u0627\u0646\u0686\u06c1 \u06a9\u0627 \u0648\u0631\u06a9\u0646\u06af \u0645\u06cc\u0646\u0679\u0644 \u0645\u0627\u0688\u0644 \u06c1\u06d2 \u0627\u0648\u0631 \u0648\u06cc\u0628 SDK v9+ \u06a9\u0627 \u0627\u0633\u062a\u0639\u0645\u0627\u0644 \u06a9\u0631\u062a\u06d2 \u06c1\u0648\u0626\u06d2 \u062a\u0645\u0627\u0645 CRUD \u0622\u067e\u0631\u06cc\u0634\u0646\u0632 \u06a9\u0627 \u062a\u062c\u0631\u0628\u06c1 \u06c1\u06d2\u06d4 \u06cc\u06c1\u0627\u06ba \u0627\u06cc\u06a9 \u0645\u062e\u062a\u0635\u0631 \u062e\u0644\u0627\u0635\u06c1 \u06c1\u06d2:<\/p>\n<table>\n<thead>\n<tr>\n<th>\u06a9\u0627\u0645<\/th>\n<th>\u0627\u06c1\u0645 \u062e\u0635\u0648\u0635\u06cc\u0627\u062a<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u0628\u0646\u0627\u0646\u0627<\/td>\n<td><code>addDoc()<\/code>\u060c <code>setDoc()<\/code><\/td>\n<\/tr>\n<tr>\n<td>\u067e\u0691\u06be\u06cc\u06ba<\/td>\n<td><code>getDoc()<\/code>\u060c <code>getDocs()<\/code>\u060c <code>query()<\/code>\u060c <code>onSnapshot()<\/code><\/td>\n<\/tr>\n<tr>\n<td>\u0627\u067e \u0688\u06cc\u0679<\/td>\n<td><code>updateDoc()<\/code>\u060c <code>arrayUnion()<\/code>\u060c <code>arrayRemove()<\/code><\/td>\n<\/tr>\n<tr>\n<td>\u062d\u0630\u0641 \u06a9\u0631\u06cc\u06ba<\/td>\n<td><code>deleteDoc()<\/code>\u060c <code>deleteField()<\/code>\u060c <code>writeBatch()<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u0627\u06cc\u06a9 \u0628\u0627\u0631 \u062c\u0628 \u0622\u067e \u0628\u0646\u06cc\u0627\u062f\u06cc \u0628\u0627\u062a\u0648\u06ba \u0633\u06d2 \u0631\u0627\u0636\u06cc \u06c1\u0648\u062c\u0627\u0626\u06cc\u06ba \u062a\u0648\u060c \u06cc\u06c1\u0627\u06ba \u06a9\u0686\u06be \u0642\u062f\u0631\u062a\u06cc \u0627\u06af\u0644\u06d2 \u0627\u0642\u062f\u0627\u0645\u0627\u062a \u06c1\u06cc\u06ba\u06d4<\/p>\n<ul>\n<li>\n<p><strong>\u06a9\u0627\u0645<\/strong>\u067e\u0691\u06be\u0646\u06d2 \u0627\u0648\u0631 \u0644\u06a9\u06be\u0646\u06d2 \u06a9\u06d2 \u0644\u06cc\u06d2 \u062c\u0648 \u0627\u06cc\u06a9 \u0633\u0627\u062a\u06be \u06a9\u0627\u0645\u06cc\u0627\u0628 \u06cc\u0627 \u0646\u0627\u06a9\u0627\u0645 \u06c1\u0648\u0646\u0627 \u0686\u0627\u06c1\u06cc\u06d2 (\u0645\u062b\u0644\u0627\u064b \u062f\u0648 \u0635\u0627\u0631\u0641\u06cc\u0646 \u06a9\u06d2 \u062f\u0631\u0645\u06cc\u0627\u0646 \u0622\u067e\u0631\u06cc\u0634\u0646 \u0628\u06be\u06cc\u062c\u0646\u0627)<\/p>\n<\/li>\n<li>\n<p><strong>\u0628\u06cc\u0686 \u0644\u06a9\u06be\u0646\u0627<\/strong>\u0622\u067e \u0627\u0633\u06d2 \u067e\u06c1\u0644\u06d2 \u06c1\u06cc \u0645\u0631\u062d\u0644\u06c1 6 \u0645\u06cc\u06ba \u062f\u06cc\u06a9\u06be \u0686\u06a9\u06d2 \u06c1\u06cc\u06ba\u06d4 \u062c\u0628 \u0628\u06be\u06cc \u0622\u067e \u06a9\u0648 \u0645\u062a\u0639\u062f\u062f \u062f\u0633\u062a\u0627\u0648\u06cc\u0632\u0627\u062a \u06a9\u0648 \u062c\u0648\u06c1\u0631\u06cc \u0637\u0648\u0631 \u067e\u0631 \u067e\u0631\u0648\u0633\u06cc\u0633 \u06a9\u0631\u0646\u06d2 \u06a9\u06cc \u0636\u0631\u0648\u0631\u062a \u06c1\u0648 \u062a\u0648 \u06cc\u06c1 \u0645\u0641\u06cc\u062f \u06c1\u06d2\u06d4<\/p>\n<\/li>\n<li>\n<p><strong>\u062c\u0627\u0645\u0639 \u0627\u0646\u0688\u06cc\u06a9\u0633<\/strong>\u0627\u0639\u0644\u06cc \u062f\u0631\u062c\u06d2 \u06a9\u06cc \u0641\u0644\u0679\u0631\u0646\u06af \u0627\u0648\u0631 \u0686\u06be\u0627\u0646\u0679\u0646\u06d2 \u0648\u0627\u0644\u06d2 \u0627\u0645\u062a\u0632\u0627\u062c<\/p>\n<\/li>\n<li>\n<p><strong>\u0635\u0641\u062d\u06c1 \u0628\u0646\u062f\u06cc<\/strong> \u06a9\u06d2 \u0633\u0627\u062a\u06be <code>startAfter()<\/code>\u0628\u0691\u06d2 \u0645\u062c\u0645\u0648\u0639\u0648\u06ba \u06a9\u0648 \u0627\u06cc\u06a9 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