{"id":15818,"date":"2024-01-17T12:55:12","date_gmt":"2024-01-17T09:25:12","guid":{"rendered":"https:\/\/rasanegar.com\/blog\/%d8%a7%d8%b9%d8%aa%d8%a8%d8%a7%d8%b1%d8%b3%d9%86%d8%ac%db%8c-%d8%af%d8%a7%d8%af%d9%87%d9%87%d8%a7%db%8c-%d9%81%d8%b1%d9%85-%d8%af%d8%b1-node-js-%d8%a8%d8%a7-express-validator-%d8%a7%d9%86\/"},"modified":"2024-01-17T12:55:12","modified_gmt":"2024-01-17T09:25:12","slug":"%d8%a7%d8%b9%d8%aa%d8%a8%d8%a7%d8%b1%d8%b3%d9%86%d8%ac%db%8c-%d8%af%d8%a7%d8%af%d9%87%d9%87%d8%a7%db%8c-%d9%81%d8%b1%d9%85-%d8%af%d8%b1-node-js-%d8%a8%d8%a7-express-validator-%d8%a7%d9%86","status":"publish","type":"post","link":"https:\/\/rasanegaar.com\/blog\/%d8%a7%d8%b9%d8%aa%d8%a8%d8%a7%d8%b1%d8%b3%d9%86%d8%ac%db%8c-%d8%af%d8%a7%d8%af%d9%87%d9%87%d8%a7%db%8c-%d9%81%d8%b1%d9%85-%d8%af%d8%b1-node-js-%d8%a8%d8%a7-express-validator-%d8%a7%d9%86\/","title":{"rendered":"\u0627\u0639\u062a\u0628\u0627\u0631\u0633\u0646\u062c\u06cc \u062f\u0627\u062f\u0647\u200c\u0647\u0627\u06cc \u0641\u0631\u0645 \u062f\u0631 Node.js \u0628\u0627 express-validator \u0627\u0646\u062c\u0627\u0645 \u0627\u0639\u062a\u0628\u0627\u0631\u0633\u0646\u062c\u06cc \u0633\u0645\u062a \u0633\u0631\u0648\u0631 \u0647\u0646\u06af\u0627\u0645 \u0633\u0627\u062e\u062a \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0647\u0627 &#8211; \u0628\u0647\u200c\u0648\u06cc\u0698\u0647 \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0647\u0627\u06cc \u0631\u0648 \u0628\u0647 \u0645\u0634\u062a\u0631\u06cc &#8211; \u0636\u0631\u0648\u0631\u06cc \u0627\u0633\u062a.  \u062f\u0644\u06cc\u0644 \u0622\u0646 \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 \u0647\u0631\u06af\u0632 \u0646\u0645\u06cc \u062a\u0648\u0627\u0646 \u0628\u0647 \u0622\u0646 \u0627\u0639\u062a\u0645\u0627\u062f \u06a9\u0631\u062f \u0631\u0648\u06cc \u0648\u0631\u0648\u062f\u06cc \u06a9\u0627\u0631\u0628\u0631 \u0628\u0647 \u062a\u0646\u0647\u0627\u06cc\u06cc\u061b  \u0632\u06cc\u0631\u0627 \u06af\u0627\u0647\u06cc \u0627\u0648\u0642\u0627\u062a \u0627\u06cc\u0646 \u0648\u0631\u0648\u062f\u06cc \u0647\u0627 \u062d\u0627\u0648\u06cc \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u062c\u0639\u0644\u06cc\/\u0645\u062e\u0631\u0628 \u0647\u0633\u062a\u0646\u062f.  \u0627\u0639\u062a\u0628\u0627\u0631 \u0633\u0646\u062c\u06cc \u0633\u0645\u062a \u0645\u0634\u062a\u0631\u06cc \u06cc\u06a9 \u0631\u0627\u0647 \u0639\u0627\u0644\u06cc \u0628\u0631\u0627\u06cc \u0628\u0631\u0631\u0633\u06cc \u0628\u06cc\u0634\u062a\u0631 \u0648\u0631\u0648\u062f\u06cc \u0647\u0627 \u0627\u0633\u062a\u060c \u0627\u0645\u0627&#8230;"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\"><p class=\"ez-toc-title\" style=\"cursor:inherit\">\u0633\u0631\u0641\u0635\u0644\u0647\u0627\u06cc \u0645\u0637\u0644\u0628<\/p>\n<\/div><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/rasanegaar.com\/blog\/%d8%a7%d8%b9%d8%aa%d8%a8%d8%a7%d8%b1%d8%b3%d9%86%d8%ac%db%8c-%d8%af%d8%a7%d8%af%d9%87%d9%87%d8%a7%db%8c-%d9%81%d8%b1%d9%85-%d8%af%d8%b1-node-js-%d8%a8%d8%a7-express-validator-%d8%a7%d9%86\/#%d9%85%d8%b9%d8%b1%d9%81%db%8c\" >\u0645\u0639\u0631\u0641\u06cc<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/rasanegaar.com\/blog\/%d8%a7%d8%b9%d8%aa%d8%a8%d8%a7%d8%b1%d8%b3%d9%86%d8%ac%db%8c-%d8%af%d8%a7%d8%af%d9%87%d9%87%d8%a7%db%8c-%d9%81%d8%b1%d9%85-%d8%af%d8%b1-node-js-%d8%a8%d8%a7-express-validator-%d8%a7%d9%86\/#%d8%b1%d8%a7%d9%87_%d8%a7%d9%86%d8%af%d8%a7%d8%b2%db%8c_%d9%be%d8%b1%d9%88%da%98%d9%87\" >\u0631\u0627\u0647 \u0627\u0646\u062f\u0627\u0632\u06cc \u067e\u0631\u0648\u0698\u0647<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/rasanegaar.com\/blog\/%d8%a7%d8%b9%d8%aa%d8%a8%d8%a7%d8%b1%d8%b3%d9%86%d8%ac%db%8c-%d8%af%d8%a7%d8%af%d9%87%d9%87%d8%a7%db%8c-%d9%81%d8%b1%d9%85-%d8%af%d8%b1-node-js-%d8%a8%d8%a7-express-validator-%d8%a7%d9%86\/#%d9%82%d9%88%d8%a7%d9%86%db%8c%d9%86_%d8%a7%d8%b9%d8%aa%d8%a8%d8%a7%d8%b1%d8%b3%d9%86%d8%ac%db%8c_%d8%a7%d8%b3%d8%aa%d8%a7%d9%86%d8%af%d8%a7%d8%b1%d8%af_%d8%a8%d8%a7_express-validator\" >\u0642\u0648\u0627\u0646\u06cc\u0646 \u0627\u0639\u062a\u0628\u0627\u0631\u0633\u0646\u062c\u06cc \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f \u0628\u0627 express-validator<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/rasanegaar.com\/blog\/%d8%a7%d8%b9%d8%aa%d8%a8%d8%a7%d8%b1%d8%b3%d9%86%d8%ac%db%8c-%d8%af%d8%a7%d8%af%d9%87%d9%87%d8%a7%db%8c-%d9%81%d8%b1%d9%85-%d8%af%d8%b1-node-js-%d8%a8%d8%a7-express-validator-%d8%a7%d9%86\/#%d9%82%d9%88%d8%a7%d9%86%db%8c%d9%86_%d8%a7%d8%b9%d8%aa%d8%a8%d8%a7%d8%b1_%d8%b3%d9%86%d8%ac%db%8c_%d8%b3%d9%81%d8%a7%d8%b1%d8%b4%db%8c_%d9%88_%d9%be%db%8c%d8%a7%d9%85_%d9%87%d8%a7%db%8c_%d8%ae%d8%b7%d8%a7_%d8%a8%d8%a7_express-validator\" >\u0642\u0648\u0627\u0646\u06cc\u0646 \u0627\u0639\u062a\u0628\u0627\u0631 \u0633\u0646\u062c\u06cc \u0633\u0641\u0627\u0631\u0634\u06cc \u0648 \u067e\u06cc\u0627\u0645 \u0647\u0627\u06cc \u062e\u0637\u0627 \u0628\u0627 express-validator<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/rasanegaar.com\/blog\/%d8%a7%d8%b9%d8%aa%d8%a8%d8%a7%d8%b1%d8%b3%d9%86%d8%ac%db%8c-%d8%af%d8%a7%d8%af%d9%87%d9%87%d8%a7%db%8c-%d9%81%d8%b1%d9%85-%d8%af%d8%b1-node-js-%d8%a8%d8%a7-express-validator-%d8%a7%d9%86\/#%d8%b3%d9%81%d8%a7%d8%b1%d8%b4%db%8c_%d8%b1%d9%88%d8%b4\" >\u0633\u0641\u0627\u0631\u0634\u06cc() \u0631\u0648\u0634<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/rasanegaar.com\/blog\/%d8%a7%d8%b9%d8%aa%d8%a8%d8%a7%d8%b1%d8%b3%d9%86%d8%ac%db%8c-%d8%af%d8%a7%d8%af%d9%87%d9%87%d8%a7%db%8c-%d9%81%d8%b1%d9%85-%d8%af%d8%b1-node-js-%d8%a8%d8%a7-express-validator-%d8%a7%d9%86\/#withmessage_%d8%b1%d9%88%d8%b4\" >withMessage() \u0631\u0648\u0634<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/rasanegaar.com\/blog\/%d8%a7%d8%b9%d8%aa%d8%a8%d8%a7%d8%b1%d8%b3%d9%86%d8%ac%db%8c-%d8%af%d8%a7%d8%af%d9%87%d9%87%d8%a7%db%8c-%d9%81%d8%b1%d9%85-%d8%af%d8%b1-node-js-%d8%a8%d8%a7-express-validator-%d8%a7%d9%86\/#%d8%a7%d8%b9%d8%aa%d8%a8%d8%a7%d8%b1_%d8%b3%d9%86%d8%ac%db%8c_%d8%b7%d8%b1%d8%ad%d9%88%d8%a7%d8%b1%d9%87_%d8%a8%d8%a7_express-validator\" >\u0627\u0639\u062a\u0628\u0627\u0631 \u0633\u0646\u062c\u06cc \u0637\u0631\u062d\u0648\u0627\u0631\u0647 \u0628\u0627 express-validator<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/rasanegaar.com\/blog\/%d8%a7%d8%b9%d8%aa%d8%a8%d8%a7%d8%b1%d8%b3%d9%86%d8%ac%db%8c-%d8%af%d8%a7%d8%af%d9%87%d9%87%d8%a7%db%8c-%d9%81%d8%b1%d9%85-%d8%af%d8%b1-node-js-%d8%a8%d8%a7-express-validator-%d8%a7%d9%86\/#%d8%a7%d8%b3%d8%aa%d8%a7%d9%86%d8%af%d8%a7%d8%b1%d8%af_%da%a9%d8%b1%d8%af%d9%86_%d9%be%d8%a7%d8%b3%d8%ae_%d9%87%d8%a7%db%8c_%d8%a7%d8%b9%d8%aa%d8%a8%d8%a7%d8%b1%d8%b3%d9%86%d8%ac%db%8c_%d8%a8%d8%a7_express-validator\" >\u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f \u06a9\u0631\u062f\u0646 \u067e\u0627\u0633\u062e \u0647\u0627\u06cc \u0627\u0639\u062a\u0628\u0627\u0631\u0633\u0646\u062c\u06cc \u0628\u0627 Express-validator<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/rasanegaar.com\/blog\/%d8%a7%d8%b9%d8%aa%d8%a8%d8%a7%d8%b1%d8%b3%d9%86%d8%ac%db%8c-%d8%af%d8%a7%d8%af%d9%87%d9%87%d8%a7%db%8c-%d9%81%d8%b1%d9%85-%d8%af%d8%b1-node-js-%d8%a8%d8%a7-express-validator-%d8%a7%d9%86\/#%d9%86%d8%aa%db%8c%d8%ac%d9%87\" >\u0646\u062a\u06cc\u062c\u0647<\/a><\/li><\/ul><\/nav><\/div>\n<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">\u0632\u0645\u0627\u0646 \u0644\u0627\u0632\u0645 \u0628\u0631\u0627\u06cc \u0645\u0637\u0627\u0644\u0639\u0647: <\/span> <span class=\"rt-time\"> 7<\/span> <span class=\"rt-label rt-postfix\">\u062f\u0642\u06cc\u0642\u0647<\/span><\/span><p> <br \/>\n<\/p>\n<div class=\"content\"><noscript><\/p>\n<style>.lazyload-placeholder { display: none;  }<\/style>\n<p><\/noscript><\/p>\n<h2 id=\"introduction\"><span class=\"ez-toc-section\" id=\"%d9%85%d8%b9%d8%b1%d9%81%db%8c\"><\/span>\u0645\u0639\u0631\u0641\u06cc<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0627\u0646\u062c\u0627\u0645 \u0627\u0639\u062a\u0628\u0627\u0631\u0633\u0646\u062c\u06cc \u0633\u0645\u062a \u0633\u0631\u0648\u0631 \u0647\u0646\u06af\u0627\u0645 \u0633\u0627\u062e\u062a \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0647\u0627 &#8211; \u0628\u0647\u200c\u0648\u06cc\u0698\u0647 \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0647\u0627\u06cc \u0631\u0648 \u0628\u0647 \u0645\u0634\u062a\u0631\u06cc &#8211; \u0636\u0631\u0648\u0631\u06cc \u0627\u0633\u062a.  \u062f\u0644\u06cc\u0644 \u0622\u0646 \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 \u0647\u0631\u06af\u0632 \u0646\u0645\u06cc \u062a\u0648\u0627\u0646 \u0628\u0647 \u0622\u0646 \u0627\u0639\u062a\u0645\u0627\u062f \u06a9\u0631\u062f \u0631\u0648\u06cc \u0648\u0631\u0648\u062f\u06cc \u06a9\u0627\u0631\u0628\u0631 \u0628\u0647 \u062a\u0646\u0647\u0627\u06cc\u06cc\u061b  \u0632\u06cc\u0631\u0627 \u06af\u0627\u0647\u06cc \u0627\u0648\u0642\u0627\u062a \u0627\u06cc\u0646 \u0648\u0631\u0648\u062f\u06cc \u0647\u0627 \u062d\u0627\u0648\u06cc \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u062c\u0639\u0644\u06cc\/\u0645\u062e\u0631\u0628 \u0647\u0633\u062a\u0646\u062f.<\/p>\n<p>\u0627\u0639\u062a\u0628\u0627\u0631 \u0633\u0646\u062c\u06cc \u0633\u0645\u062a \u06a9\u0644\u0627\u06cc\u0646\u062a \u06cc\u06a9 \u0631\u0627\u0647 \u0639\u0627\u0644\u06cc \u0628\u0631\u0627\u06cc \u0628\u0631\u0631\u0633\u06cc \u0628\u06cc\u0634\u062a\u0631 \u0648\u0631\u0648\u062f\u06cc \u0647\u0627 \u0627\u0633\u062a\u060c \u0627\u0645\u0627 \u0647\u0645\u0686\u0646\u0627\u0646 \u0628\u0627\u06cc\u062f \u0627\u0639\u062a\u0628\u0627\u0631 \u0633\u0646\u062c\u06cc \u0633\u0645\u062a \u0633\u0631\u0648\u0631 \u0631\u0627 \u0646\u06cc\u0632 \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u062f.<\/p>\n<p>\u0631\u0627\u0647\u200c\u0647\u0627\u06cc \u0632\u06cc\u0627\u062f\u06cc \u0628\u0631\u0627\u06cc \u0627\u0639\u062a\u0628\u0627\u0631\u0633\u0646\u062c\u06cc \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u062f\u0631 Node.js \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u06a9\u0647 \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0646\u06af\u0627\u0647\u06cc \u0628\u0647 \u0622\u0646\u200c\u0647\u0627 \u062e\u0648\u0627\u0647\u06cc\u0645 \u062f\u0627\u0634\u062a <a target=\"_blank\" rel=\"nofollow noopener\" href=\"https:\/\/express-validator.github.io\/docs\/index.html\">\u0627\u0639\u062a\u0628\u0627\u0631 \u0633\u0646\u062c\u06cc \u0633\u0631\u06cc\u0639<\/a>.  Express-validator \u06cc\u06a9 \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647 \u0627\u0633\u062a \u06a9\u0647 \u062f\u0631 \u0627\u0637\u0631\u0627\u0641 \u067e\u06cc\u0686\u06cc\u062f\u0647 \u0627\u0633\u062a <code>validator.js<\/code> \u0648 \u06a9\u0627\u0631\u06a9\u0631\u062f\u0647\u0627\u06cc \u062e\u0648\u062f \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062c\u0645\u0648\u0639\u0647 \u0627\u06cc \u0627\u0632 \u0645\u06cc\u0627\u0646 \u0627\u0641\u0632\u0627\u0631\u0647\u0627 \u0622\u0634\u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<h2 id=\"projectsetup\"><span class=\"ez-toc-section\" id=\"%d8%b1%d8%a7%d9%87_%d8%a7%d9%86%d8%af%d8%a7%d8%b2%db%8c_%d9%be%d8%b1%d9%88%da%98%d9%87\"><\/span>\u0631\u0627\u0647 \u0627\u0646\u062f\u0627\u0632\u06cc \u067e\u0631\u0648\u0698\u0647<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0628\u0631\u0627\u06cc \u0627\u06cc\u0646 \u0622\u0645\u0648\u0632\u0634\u060c \u0645\u0627 \u06cc\u06a9 \u0633\u0631\u0648\u0631 \u0628\u0627\u0637\u0646 \u062f\u0645\u0648 \u0628\u0631\u0627\u06cc \u0645\u0633\u062e\u0631\u0647 \u06a9\u0631\u062f\u0646 \u062b\u0628\u062a \u0646\u0627\u0645 \u06a9\u0627\u0631\u0628\u0631 \u0648 \u0648\u0631\u0648\u062f \u0628\u0647 \u0633\u06cc\u0633\u062a\u0645 \u0628\u0627 Node.js \u062e\u0648\u0627\u0647\u06cc\u0645 \u0633\u0627\u062e\u062a.  \u0627\u06cc\u0646 \u0641\u06cc\u0644\u062f\u0647\u0627 \u0642\u0648\u0627\u0646\u06cc\u0646 \u062e\u0627\u0635\u06cc \u0631\u0627 \u0627\u0639\u0645\u0627\u0644 \u0645\u06cc \u06a9\u0646\u0646\u062f \u0648 \u0645\u0627 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc\u06cc \u0631\u0627 \u06a9\u0647 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u0622\u0646\u0647\u0627 \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc \u0634\u0648\u062f \u062a\u0623\u06cc\u06cc\u062f \u0645\u06cc \u06a9\u0646\u06cc\u0645.<\/p>\n<blockquote>\n<p>\u0644\u0637\u0641\u0627\u064b \u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f \u06a9\u0647 \u0645\u0627 \u0628\u0627 \u0645\u0646\u0637\u0642 \u0648\u0627\u0642\u0639\u06cc \u062b\u0628\u062a \u0646\u0627\u0645 \u06a9\u0627\u0631\u0628\u0631 \u0648 \u0648\u0631\u0648\u062f \u0628\u0647 \u0633\u06cc\u0633\u062a\u0645 \u06cc\u0639\u0646\u06cc \u0630\u062e\u06cc\u0631\u0647 \u062f\u0627\u062f\u0647\u200c\u0647\u0627\u06cc \u06a9\u0627\u0631\u0628\u0631 \u0648 \u0627\u062c\u0631\u0627\u06cc \u0627\u062d\u0631\u0627\u0632 \u0647\u0648\u06cc\u062a \u06a9\u0627\u0631 \u0646\u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645 \u0632\u06cc\u0631\u0627 \u0627\u06cc\u0646 \u0645\u0648\u0636\u0648\u0639 \u062e\u0627\u0631\u062c \u0627\u0632 \u0645\u062d\u062f\u0648\u062f\u0647 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0627\u0633\u062a.<\/p>\n<\/blockquote>\n<p>\u0628\u0631\u0627\u06cc \u0634\u0631\u0648\u0639\u060c \u0645\u0627 \u06cc\u06a9 \u067e\u0648\u0634\u0647 \u067e\u0631\u0648\u0698\u0647 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u06cc\u0645\u060c \u062f\u0631 \u0622\u0646 \u062d\u0631\u06a9\u062a \u0645\u06cc \u06a9\u0646\u06cc\u0645 \u0648 \u0622\u0646 \u0631\u0627 \u0645\u0642\u062f\u0627\u0631\u062f\u0647\u06cc \u0627\u0648\u0644\u06cc\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-meta\">#<\/span><span class=\"bash\"> Create the project folder<\/span>\n<span class=\"hljs-meta\">$<\/span><span class=\"bash\"> mkdir express-validator-tut<\/span>\n<span class=\"hljs-meta\">\n#<\/span><span class=\"bash\"> Navigate into the project folder<\/span>\n<span class=\"hljs-meta\">$<\/span><span class=\"bash\"> <span class=\"hljs-built_in\">cd<\/span> express-validator-tut<\/span>\n<span class=\"hljs-meta\">\n#<\/span><span class=\"bash\"> Initialize project<\/span>\n<span class=\"hljs-meta\">$<\/span><span class=\"bash\"> yarn init -y<\/span>\n<span class=\"hljs-meta\">#<\/span><span class=\"bash\"> OR<\/span>\n<span class=\"hljs-meta\">$<\/span><span class=\"bash\"> npm init -y<\/span>\n<\/code><\/pre>\n<p>\u067e\u0633 \u0627\u0632 \u0627\u062a\u0645\u0627\u0645\u060c \u0648\u0627\u0628\u0633\u062a\u06af\u06cc \u0647\u0627\u06cc \u0632\u06cc\u0631 \u0631\u0627 \u0628\u0627 \u0627\u062c\u0631\u0627\u06cc \u062f\u0633\u062a\u0648\u0631 \u0632\u06cc\u0631 \u0646\u0635\u0628 \u0645\u06cc \u06a9\u0646\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-meta\">$<\/span><span class=\"bash\"> yarn add body-parser express express-validator<\/span>\n<span class=\"hljs-meta\">#<\/span><span class=\"bash\"> OR<\/span>\n<span class=\"hljs-meta\">$<\/span><span class=\"bash\"> npm i body-parser express express-validator<\/span>\n<\/code><\/pre>\n<p>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0646\u06af\u0627\u0647\u06cc \u0628\u0647 \u0622\u0646\u0686\u0647 \u0646\u0635\u0628 \u06a9\u0631\u062f\u0647 \u0627\u06cc\u0645 \u0628\u06cc\u0646\u062f\u0627\u0632\u06cc\u0645:<\/p>\n<ul>\n<li><strong>\u0628\u06cc\u0627\u0646:<\/strong> \u06cc\u06a9 \u0686\u0627\u0631\u0686\u0648\u0628 \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631\u06cc \u0648\u0628 \u0633\u0628\u06a9 \u0628\u0631\u0627\u06cc Node.js.  \u0645\u0627 \u0627\u0632 \u0627\u06cc\u0646 \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u0645\u0633\u06cc\u0631\u06cc\u0627\u0628\u06cc \u062f\u0631 \u0633\u0631\u0648\u0631 \u0628\u0627\u0637\u0646 \u062e\u0648\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f.<\/li>\n<li><strong>\u062a\u062c\u0632\u06cc\u0647 \u06a9\u0646\u0646\u062f\u0647 \u0628\u062f\u0646:<\/strong> \u0645\u06cc\u0627\u0646 \u0627\u0641\u0632\u0627\u0631\u06cc \u06a9\u0647 \u0628\u0647 \u0645\u0627 \u06a9\u0645\u06a9 \u0645\u06cc \u06a9\u0646\u062f \u0648\u0631\u0648\u062f\u06cc \u0647\u0627\u06cc \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u0648\u0631\u0648\u062f\u06cc (\u0648\u0631\u0648\u062f\u06cc \u0647\u0627\u06cc \u06a9\u0627\u0631\u0628\u0631) \u0631\u0627 \u062a\u062c\u0632\u06cc\u0647 \u06a9\u0646\u06cc\u0645 <code>req.body<\/code> \u0647\u062f\u0641 &#8211; \u0634\u06cc.<\/li>\n<li><strong>Express-validator:<\/strong> \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647 \u0627\u06cc \u06a9\u0647 \u0645\u0627 \u0627\u0632 \u0622\u0646 \u0628\u0631\u0627\u06cc \u0631\u0633\u06cc\u062f\u06af\u06cc \u0628\u0647 \u0627\u0639\u062a\u0628\u0627\u0631\u0633\u0646\u062c\u06cc \u0648\u0631\u0648\u062f\u06cc \u0648\u0631\u0648\u062f\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f.<\/li>\n<\/ul>\n<p>\u062f\u0631 \u0646\u0647\u0627\u06cc\u062a\u060c \u0645\u0627 \u06cc\u06a9 \u0631\u0627 \u0627\u06cc\u062c\u0627\u062f \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f <code>index.js<\/code> \u0641\u0627\u06cc\u0644 \u062f\u0631 \u062f\u0627\u06cc\u0631\u06a9\u062a\u0648\u0631\u06cc \u067e\u0631\u0648\u0698\u0647 \u0645\u0627 \u0628\u0647 host \u06a9\u062f \u062f\u06cc\u06af \u0628\u062e\u0627\u0631 \u0628\u0631\u0627\u06cc \u0646\u0645\u0648\u0646\u0647 \u0633\u0627\u0632\u06cc \u06cc\u06a9 \u0628\u0631\u0646\u0627\u0645\u0647\/\u0633\u0631\u0648\u0631 Express:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-comment\">\/\/ index.js<\/span>\n<span class=\"hljs-keyword\">const<\/span> express = <span class=\"hljs-built_in\">require<\/span>(<span class=\"hljs-string\">'express'<\/span>);\n<span class=\"hljs-keyword\">const<\/span> app = express();\n<span class=\"hljs-keyword\">const<\/span> bodyParser = <span class=\"hljs-built_in\">require<\/span>(<span class=\"hljs-string\">'body-parser'<\/span>);\n<span class=\"hljs-keyword\">const<\/span> port = <span class=\"hljs-number\">2022<\/span>;\n\napp.use(bodyParser.urlencoded({ <span class=\"hljs-attr\">extended<\/span>: <span class=\"hljs-literal\">false<\/span> }));\napp.use(bodyParser.json());\n\napp.post(<span class=\"hljs-string\">'\/register'<\/span>, <span class=\"hljs-function\">(<span class=\"hljs-params\">req, res<\/span>) =&gt;<\/span> {});\n    \napp.listen(port);\n<span class=\"hljs-built_in\">console<\/span>.log(<span class=\"hljs-string\">'See where it all happens at http:\/\/localhost:'<\/span>+port);\n<\/code><\/pre>\n<p>\u062d\u0627\u0644\u0627 \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0627\u06cc\u0646 \u0628\u0631\u0646\u0627\u0645\u0647 \u0631\u0627 \u0628\u0627 \u0622\u0646 \u0627\u062c\u0631\u0627 \u06a9\u0646\u06cc\u0645 <code>node<\/code>:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-meta\">$<\/span><span class=\"bash\"> node index.js<\/span> \n<\/code><\/pre>\n<p>\u0627\u06af\u0631 \u0647\u0645\u0647 \u0686\u06cc\u0632 \u062e\u0648\u0628 \u067e\u06cc\u0634 \u0631\u0641\u062a\u060c \u0634\u0645\u0627 terminal \u0628\u0627\u06cc\u062f \u0686\u06cc\u0632\u06cc \u062f\u0631 \u0627\u0645\u062a\u062f\u0627\u062f \u062e\u0637\u0648\u0637 \u062e\u0631\u0648\u062c\u06cc:<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/rasanegar.com\/blog\/wp-content\/uploads\/2024\/01\/form-data-validation-in-nodejs-with-express-validator-1.png\" alt=\"\u062f\u0631\u062e\u0648\u0627\u0633\u062a \u0633\u0631\u0648\u0631 expressjs boilerplate\" title=\"\"><\/p>\n<h2 id=\"standardvalidationruleswithexpressvalidator\"><span class=\"ez-toc-section\" id=\"%d9%82%d9%88%d8%a7%d9%86%db%8c%d9%86_%d8%a7%d8%b9%d8%aa%d8%a8%d8%a7%d8%b1%d8%b3%d9%86%d8%ac%db%8c_%d8%a7%d8%b3%d8%aa%d8%a7%d9%86%d8%af%d8%a7%d8%b1%d8%af_%d8%a8%d8%a7_express-validator\"><\/span>\u0642\u0648\u0627\u0646\u06cc\u0646 \u0627\u0639\u062a\u0628\u0627\u0631\u0633\u0646\u062c\u06cc \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f \u0628\u0627 express-validator<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u0628\u062e\u0634\u060c \u0631\u0648\u0634 \u0627\u0641\u0632\u0648\u062f\u0646 \u0642\u0648\u0627\u0646\u06cc\u0646 \u0627\u0639\u062a\u0628\u0627\u0631\u0633\u0646\u062c\u06cc \u0648 \u067e\u0627\u06a9\u0633\u0627\u0632\u06cc \u0633\u0627\u062f\u0647 \u0628\u0647 \u062f\u0631\u062e\u0648\u0627\u0633\u062a\u200c\u0647\u0627\u06cc \u062f\u0631\u06cc\u0627\u0641\u062a\u06cc \u0631\u0627 \u06cc\u0627\u062f \u062e\u0648\u0627\u0647\u06cc\u0645 \u06af\u0631\u0641\u062a.  \u0627\u0628\u062a\u062f\u0627\u060c \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u06cc\u0645 \u0628\u0631\u0631\u0633\u06cc \u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u0622\u06cc\u0627 \u0645\u0642\u062f\u0627\u0631 \u0648\u0631\u0648\u062f\u06cc \u062f\u0631 \u0641\u06cc\u0644\u062f \u0627\u06cc\u0645\u06cc\u0644 \u06cc\u06a9 \u0627\u06cc\u0645\u06cc\u0644 \u0645\u0639\u062a\u0628\u0631 \u0627\u0633\u062a \u06cc\u0627 \u062e\u06cc\u0631.  \u0633\u067e\u0633\u060c \u0645\u0627 \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u0645 \u0627\u0639\u0645\u0627\u0644 \u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u0631\u0645\u0632 \u0639\u0628\u0648\u0631 \u062d\u062f\u0627\u0642\u0644 6 \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f.<\/p>\n<p>\u0628\u0631\u0627\u06cc \u0634\u0631\u0648\u0639\u060c \u0627\u062c\u0627\u0632\u0647 \u062f\u0647\u06cc\u062f \u0686\u0646\u062f \u062a\u0648\u0627\u0628\u0639 \u0645\u06cc\u0627\u0646\u200c\u0627\u0641\u0632\u0627\u0631 \u0631\u0627 \u0628\u0647 \u0645\u0627 \u0627\u0636\u0627\u0641\u0647 \u06a9\u0646\u06cc\u0645 <code>\/login<\/code> \u0645\u0633\u06cc\u0631:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-comment\">\/\/ index.js<\/span>\n...\n<span class=\"hljs-keyword\">const<\/span> { body, validationResult } = <span class=\"hljs-built_in\">require<\/span>(<span class=\"hljs-string\">'express-validator'<\/span>);\n\napp.post(<span class=\"hljs-string\">'\/login'<\/span>,\n    body(<span class=\"hljs-string\">'email'<\/span>).isEmail().normalizeEmail(),\n    body(<span class=\"hljs-string\">'password'<\/span>).isLength({\n        <span class=\"hljs-attr\">min<\/span>: <span class=\"hljs-number\">6<\/span>\n    }),\n    <span class=\"hljs-function\">(<span class=\"hljs-params\">req, res<\/span>) =&gt;<\/span> {\n        <span class=\"hljs-keyword\">const<\/span> errors = validationResult(req);\n\n        <span class=\"hljs-keyword\">if<\/span> (!errors.isEmpty()) {\n            <span class=\"hljs-keyword\">return<\/span> res.status(<span class=\"hljs-number\">400<\/span>).json({\n                <span class=\"hljs-attr\">success<\/span>: <span class=\"hljs-literal\">false<\/span>,\n                <span class=\"hljs-attr\">errors<\/span>: errors.array()\n            });\n        }\n\n        res.status(<span class=\"hljs-number\">200<\/span>).json({\n            <span class=\"hljs-attr\">success<\/span>: <span class=\"hljs-literal\">true<\/span>,\n            <span class=\"hljs-attr\">message<\/span>: <span class=\"hljs-string\">'Login successful'<\/span>,\n        })\n    });\n...\n<\/code><\/pre>\n<p>\u062f\u0631 \u0642\u0637\u0639\u0647 \u0628\u0627\u0644\u0627\u060c \u0645\u0627 \u0627\u0632 \u062f\u0648 \u0631\u0648\u0634 \u0627\u0639\u062a\u0628\u0627\u0631 \u0633\u0646\u062c\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u0645:<\/p>\n<ul>\n<li><code>isEmail()<\/code>: \u0627\u06cc\u0646 \u062a\u0627\u0628\u0639 \u0627\u0639\u062a\u0628\u0627\u0631\u0633\u0646\u062c\u06cc \u0628\u0631\u0631\u0633\u06cc \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u0622\u06cc\u0627 \u0631\u0634\u062a\u0647 \u0648\u0631\u0648\u062f\u06cc \u06cc\u06a9 \u0622\u062f\u0631\u0633 \u0627\u06cc\u0645\u06cc\u0644 \u0645\u0639\u062a\u0628\u0631 \u0627\u0633\u062a \u06cc\u0627 \u062e\u06cc\u0631.<\/li>\n<li><code>isLength()<\/code>: \u0627\u06cc\u0646 \u0627\u0639\u062a\u0628\u0627\u0631 \u0633\u0646\u062c \u0628\u0631\u0631\u0633\u06cc \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u0622\u06cc\u0627 \u0637\u0648\u0644 \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u062f\u0631 \u06cc\u06a9 \u0645\u062d\u062f\u0648\u062f\u0647 \u0645\u0634\u062e\u0635 \u0642\u0631\u0627\u0631 \u0645\u06cc \u06af\u06cc\u0631\u062f \u06cc\u0627 \u062e\u06cc\u0631.  \u062f\u0631 \u0645\u0648\u0631\u062f \u0645\u0627\u060c \u0645\u062d\u062f\u0648\u062f\u0647 \u0645\u0634\u062e\u0635 \u0634\u062f\u0647 \u062d\u062f\u0627\u0642\u0644 6 \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631 \u0627\u0633\u062a.<\/li>\n<\/ul>\n<p>\u0628\u0631\u062e\u06cc \u0627\u0632 \u0631\u0648\u0634 \u0647\u0627\u06cc \u062f\u06cc\u06af\u0631\u06cc \u06a9\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u0633\u062a\u06cc\u0645 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645 \u0639\u0628\u0627\u0631\u062a\u0646\u062f \u0627\u0632:<\/p>\n<ul>\n<li><code>isNumeric()<\/code>  &#8211; \u0628\u0631\u0631\u0633\u06cc \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u0622\u06cc\u0627 \u0648\u0631\u0648\u062f\u06cc \u0639\u062f\u062f\u06cc \u0627\u0633\u062a \u06cc\u0627 \u062e\u06cc\u0631<\/li>\n<li><code>contains()<\/code>  &#8211; \u0628\u0631\u0631\u0633\u06cc \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u0622\u06cc\u0627 \u0648\u0631\u0648\u062f\u06cc \u062f\u0627\u0631\u0627\u06cc \u0645\u0642\u062f\u0627\u0631 \u062e\u0627\u0635\u06cc \u0627\u0633\u062a \u06cc\u0627 \u062e\u06cc\u0631<\/li>\n<li><code>isBoolean()<\/code>  &#8211; \u0628\u0631\u0631\u0633\u06cc \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0648\u0631\u0648\u062f\u06cc \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u0628\u0648\u0644\u06cc \u0627\u0633\u062a<\/li>\n<li><code>isCurrency()<\/code>  &#8211; \u0628\u0631\u0631\u0633\u06cc \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u0622\u06cc\u0627 \u0648\u0631\u0648\u062f\u06cc \u0628\u0627 \u0642\u0627\u0644\u0628 \u0627\u0631\u0632\u06cc \u0627\u0633\u062a \u06cc\u0627 \u062e\u06cc\u0631<\/li>\n<li><code>isJSON()<\/code>  &#8211; \u0628\u0631\u0631\u0633\u06cc \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u0622\u06cc\u0627 \u0648\u0631\u0648\u062f\u06cc JSON \u0627\u0633\u062a \u06cc\u0627 \u062e\u06cc\u0631<\/li>\n<li><code>isMobilePhone()<\/code>  &#8211; \u0686\u06a9 \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 \u0648\u0631\u0648\u062f\u06cc \u06cc\u06a9 \u0634\u0645\u0627\u0631\u0647 \u062a\u0644\u0641\u0646 \u0647\u0645\u0631\u0627\u0647 \u0645\u0639\u062a\u0628\u0631 \u0627\u0633\u062a<\/li>\n<li><code>isPostalCode()<\/code>  &#8211; \u0628\u0631\u0631\u0633\u06cc \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u0622\u06cc\u0627 \u0648\u0631\u0648\u062f\u06cc \u06cc\u06a9 \u06a9\u062f \u067e\u0633\u062a\u06cc \u0645\u0639\u062a\u0628\u0631 \u0627\u0633\u062a \u06cc\u0627 \u062e\u06cc\u0631<\/li>\n<li><code>isBefore()<\/code>  \u0648 <code>isAfter()<\/code> &#8211; \u0628\u0631\u0631\u0633\u06cc \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u0622\u06cc\u0627 \u062a\u0627\u0631\u06cc\u062e \u0642\u0628\u0644 \u06cc\u0627 \u0628\u0639\u062f \u0627\u0632 \u062a\u0627\u0631\u06cc\u062e \u062f\u06cc\u06af\u0631\u06cc \u0627\u0633\u062a<\/li>\n<\/ul>\n<p>\u0645\u0648\u0627\u0631\u062f \u062f\u06cc\u06af\u0631\u06cc \u0646\u06cc\u0632 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f\u060c \u0627\u0645\u0627 \u0627\u06cc\u0646\u0647\u0627 \u0627\u062d\u062a\u0645\u0627\u0644\u0627\u064b \u0645\u0648\u0627\u0631\u062f\u06cc \u0647\u0633\u062a\u0646\u062f \u06a9\u0647 \u0628\u06cc\u0634\u062a\u0631 \u0646\u06cc\u0627\u0632\u0647\u0627\u06cc \u0627\u0639\u062a\u0628\u0627\u0631\u0633\u0646\u062c\u06cc \u0634\u0645\u0627 \u0631\u0627 \u067e\u0648\u0634\u0634 \u0645\u06cc \u062f\u0647\u0646\u062f.<\/p>\n<p>\u0628\u0631\u0627\u06cc \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u0627\u0632 \u0627\u06cc\u0646\u06a9\u0647 \u0622\u062f\u0631\u0633 \u0647\u0627\u06cc \u0627\u06cc\u0645\u06cc\u0644 \u0627\u0631\u0627\u0626\u0647 \u0634\u062f\u0647 \u062a\u0648\u0633\u0637 \u06a9\u0627\u0631\u0628\u0631 \u0641\u0627\u0642\u062f \u0646\u0648\u06cc\u0632 \u0648 \u0628\u06cc \u0646\u0638\u0645\u06cc \u0627\u0633\u062a\u060c \u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u062f\u0631 \u0642\u0637\u0639\u0647 \u0628\u0627\u0644\u0627 \u0645\u0634\u0627\u0647\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f\u060c \u06cc\u06a9 \u0636\u062f\u0639\u0641\u0648\u0646\u06cc \u06a9\u0646\u0646\u062f\u0647 \u0628\u0647 \u0641\u06cc\u0644\u062f \u0627\u06cc\u0645\u06cc\u0644 \u062e\u0648\u062f \u0627\u0636\u0627\u0641\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u0645.  \u0627\u06cc\u0646 <code>normalizeEmail()<\/code> \u0627\u06cc\u0646 \u0631\u0648\u0634 \u0628\u0647 \u062a\u0628\u062f\u06cc\u0644 \u0627\u06cc\u0645\u06cc\u0644 \u0647\u0627\u06cc \u0648\u0627\u0631\u062f \u0634\u062f\u0647 \u0628\u0647 \u0641\u0631\u0645\u062a \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f \u062a\u0627\u06cc\u06cc\u062f \u0634\u062f\u0647 \u06a9\u0645\u06a9 \u0645\u06cc \u06a9\u0646\u062f.  \u0627\u06cc\u0646 \u0628\u062f\u0627\u0646 \u0645\u0639\u0646\u0627\u0633\u062a \u06a9\u0647 \u0627\u06af\u0631 \u06a9\u0627\u0631\u0628\u0631 \u0648\u0627\u0631\u062f \u0634\u0648\u062f\u060c \u0628\u0631\u0627\u06cc \u0645\u062b\u0627\u0644\u060c <code>(email\u00a0protected)<\/code>\u060c \u0628\u0647 \u0645\u062a\u0639\u0627\u0631\u0641 \u0645\u06cc \u0634\u0648\u062f <code>(email\u00a0protected)<\/code>.<\/p>\n<p>Validator.js \u0628\u0631\u062e\u06cc \u0627\u0632 \u0627\u0646\u0639\u0637\u0627\u0641\u200c\u067e\u0630\u06cc\u0631\u06cc\u200c\u0647\u0627 \u0631\u0627 \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc\u200c\u062f\u0647\u062f\u060c \u0632\u06cc\u0631\u0627 \u0627\u06cc\u0646 \u06af\u0632\u06cc\u0646\u0647 \u0642\u0627\u0628\u0644 \u062a\u063a\u06cc\u06cc\u0631 \u0627\u0633\u062a <code>off<\/code> \u06cc\u0627 <code>\u0631\u0648\u06cc<\/code> \u0627\u0645\u0627 \u062a\u0646\u0638\u06cc\u0645 \u0634\u062f\u0647 \u0627\u0633\u062a <code>\u0631\u0648\u06cc<\/code> \u0628\u0647 \u0635\u0648\u0631\u062a \u067e\u06cc\u0634 \u0641\u0631\u0636.  \u0645\u062c\u0645\u0648\u0639\u0647 \u0627\u06cc \u0627\u0632 \u06af\u0632\u06cc\u0646\u0647 \u0647\u0627 \u0628\u0631\u0627\u06cc \u0639\u0627\u062f\u06cc \u0633\u0627\u0632\u06cc \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u06a9\u0647 \u0627\u06af\u0631 \u0642\u0635\u062f \u062f\u0627\u0631\u06cc\u062f \u0622\u0646\u0647\u0627 \u0631\u0627 \u0628\u0631\u0631\u0633\u06cc \u06a9\u0646\u06cc\u062f \u0631\u0648\u06cc \u0639\u0627\u062f\u06cc \u0633\u0627\u0632\u06cc \u0648\u0631\u0648\u062f\u06cc  \u0627\u06af\u0631 \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u06cc\u062f \u062f\u0631\u0628\u0627\u0631\u0647 \u0633\u0627\u06cc\u0631 \u0639\u0645\u0644\u06a9\u0631\u062f\u0647\u0627\u06cc \u0627\u0639\u062a\u0628\u0627\u0631\u0633\u0646\u062c\u06cc\/\u0636\u062f\u0639\u0641\u0648\u0646\u06cc\u200c\u06a9\u0646\u0646\u062f\u0647 \u0628\u06cc\u0634\u062a\u0631 \u0628\u062e\u0648\u0627\u0646\u06cc\u062f\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f Validator.js \u0631\u0627 \u0628\u0631\u0631\u0633\u06cc \u06a9\u0646\u06cc\u062f. <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/github.com\/validatorjs\/validator.js\">\u0627\u0633\u0646\u0627\u062f \u0631\u0633\u0645\u06cc<\/a>.<\/p>\n<p>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0628\u0627 \u0627\u0631\u0633\u0627\u0644 \u062f\u0631\u062e\u0648\u0627\u0633\u062a\u06cc \u0628\u0627 \u0631\u0645\u0632 \u0639\u0628\u0648\u0631 \u0646\u0627\u0645\u0639\u062a\u0628\u0631\u060c \u06a9\u062f \u062e\u0648\u062f \u0631\u0627 \u0622\u0632\u0645\u0627\u06cc\u0634 \u06a9\u0646\u06cc\u0645 \u0648 \u0627\u0644\u0641 <code>@googleemail.com<\/code> \u0627\u06cc\u0645\u06cc\u0644\u060c \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u067e\u0633\u062a\u0686\u06cc \u06cc\u0627 <code>curl<\/code>:<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/rasanegar.com\/blog\/wp-content\/uploads\/2024\/01\/form-data-validation-in-nodejs-with-express-validator-2.png\" alt=\"\u0627\u0639\u062a\u0628\u0627\u0631 \u0633\u0646\u062c\u06cc \u0633\u0627\u062f\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\" title=\"\"><\/p>\n<p>\u062a\u0627 \u0627\u06cc\u0646\u062c\u0627\u060c \u0646\u06af\u0627\u0647\u06cc \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0648\u0636\u0648\u0639 \u0627\u0646\u062f\u0627\u062e\u062a\u06cc\u0645 \u06a9\u0647 \u0686\u06af\u0648\u0646\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u0648\u0631\u0648\u062f\u06cc\u200c\u0647\u0627\u06cc \u0648\u0631\u0648\u062f\u06cc \u0631\u0627 \u0628\u0631\u0627\u06cc \u06cc\u06a9 \u0646\u0642\u0637\u0647 \u067e\u0627\u06cc\u0627\u0646\u06cc \u0648\u0631\u0648\u062f \u0646\u0645\u0648\u0646\u0647 \u062a\u0623\u06cc\u06cc\u062f \u06a9\u0646\u06cc\u0645.  \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0627\u06a9\u0646\u0648\u0646 \u0628\u0647 \u0646\u0642\u0637\u0647 \u067e\u0627\u06cc\u0627\u0646\u06cc \u062b\u0628\u062a \u0646\u0627\u0645 \u0628\u0631\u0648\u06cc\u0645 \u0648 \u0648\u0638\u0627\u06cc\u0641\u06cc \u0645\u0627\u0646\u0646\u062f \u0642\u0648\u0627\u0646\u06cc\u0646 \u0627\u0639\u062a\u0628\u0627\u0631 \u0633\u0646\u062c\u06cc \u0633\u0641\u0627\u0631\u0634\u06cc\u060c \u067e\u06cc\u0627\u0645 \u0647\u0627\u06cc \u062e\u0637\u0627\u060c \u0627\u0639\u062a\u0628\u0627\u0631\u0633\u0646\u062c\u06cc \u0637\u0631\u062d \u0648 \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f\u0633\u0627\u0632\u06cc \u067e\u06cc\u0627\u0645 \u0647\u0627\u06cc \u0627\u0639\u062a\u0628\u0627\u0631 \u0633\u0646\u062c\u06cc \u0631\u0627 \u067e\u0648\u0634\u0634 \u062f\u0647\u06cc\u0645.<\/p>\n<h2 id=\"customvalidationrulesanderrormessageswithexpressvalidator\"><span class=\"ez-toc-section\" id=\"%d9%82%d9%88%d8%a7%d9%86%db%8c%d9%86_%d8%a7%d8%b9%d8%aa%d8%a8%d8%a7%d8%b1_%d8%b3%d9%86%d8%ac%db%8c_%d8%b3%d9%81%d8%a7%d8%b1%d8%b4%db%8c_%d9%88_%d9%be%db%8c%d8%a7%d9%85_%d9%87%d8%a7%db%8c_%d8%ae%d8%b7%d8%a7_%d8%a8%d8%a7_express-validator\"><\/span>\u0642\u0648\u0627\u0646\u06cc\u0646 \u0627\u0639\u062a\u0628\u0627\u0631 \u0633\u0646\u062c\u06cc \u0633\u0641\u0627\u0631\u0634\u06cc \u0648 \u067e\u06cc\u0627\u0645 \u0647\u0627\u06cc \u062e\u0637\u0627 \u0628\u0627 express-validator<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0628\u0631\u0627\u06cc \u0634\u0631\u0648\u0639\u060c \u0627\u062c\u0627\u0632\u0647 \u062f\u0647\u06cc\u062f \u0646\u0642\u0637\u0647 \u067e\u0627\u06cc\u0627\u0646\u06cc \u062b\u0628\u062a \u0646\u0627\u0645 \u06a9\u0627\u0631\u0628\u0631 \u062e\u0648\u062f \u0631\u0627 \u0628\u0627 \u0627\u0641\u0632\u0648\u062f\u0646 \u0642\u0637\u0639\u0647 \u0632\u06cc\u0631 \u0628\u0647 \u0645\u0627 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u0645 <code>index.js<\/code> \u0641\u0627\u06cc\u0644:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-comment\">\/\/ index.js<\/span>\n...\napp.post(<span class=\"hljs-string\">'\/register'<\/span>, <span class=\"hljs-function\">(<span class=\"hljs-params\">req, res<\/span>) =&gt;<\/span> {\n    <span class=\"hljs-comment\">\/\/ Validate incoming input<\/span>\n    res.status(<span class=\"hljs-number\">200<\/span>).json({\n        <span class=\"hljs-attr\">success<\/span>: <span class=\"hljs-literal\">true<\/span>,\n        <span class=\"hljs-attr\">message<\/span>: <span class=\"hljs-string\">'Registration successful'<\/span>,\n    });\n});\n...\n<\/code><\/pre>\n<h3 id=\"custommethod\"><span class=\"ez-toc-section\" id=\"%d8%b3%d9%81%d8%a7%d8%b1%d8%b4%db%8c_%d8%b1%d9%88%d8%b4\"><\/span><em>\u0633\u0641\u0627\u0631\u0634\u06cc()<\/em> \u0631\u0648\u0634<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0628\u0631\u0627\u06cc \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u0627\u0632 \u0627\u06cc\u0646\u06a9\u0647 \u06a9\u0627\u0631\u0628\u0631\u0627\u0646 \u0645\u0627 \u062f\u0631 \u0647\u0646\u06af\u0627\u0645 \u062b\u0628\u062a \u0646\u0627\u0645 \u0646\u0627\u0645\u200c\u0647\u0627\u06cc \u06a9\u0627\u0631\u0628\u0631\u06cc \u0645\u0646\u062d\u0635\u0631 \u0628\u0647 \u0641\u0631\u062f\u06cc \u0631\u0627 \u0648\u0627\u0631\u062f \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f\u060c \u0646\u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u0632 \u0631\u0648\u0634\u200c\u0647\u0627\u06cc \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f \u067e\u06cc\u0686\u06cc\u062f\u0647\u200c\u0634\u062f\u0647 \u0627\u0632 \u0645\u062a\u062f\u0647\u0627\u06cc Validator.js \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645\u060c \u0632\u06cc\u0631\u0627 \u0647\u06cc\u0686 \u0631\u0648\u0634\u06cc \u0628\u0631\u0627\u06cc \u0628\u0631\u0631\u0633\u06cc \u0622\u0646 \u0648\u062c\u0648\u062f \u0646\u062f\u0627\u0631\u062f.<\/p>\n<p>\u0628\u0631\u0627\u06cc \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0628\u0627\u06cc\u062f \u06cc\u06a9 \u0627\u0639\u062a\u0628\u0627\u0631\u0633\u0646\u062c\u06cc \u0633\u0641\u0627\u0631\u0634\u06cc \u0628\u0646\u0648\u06cc\u0633\u06cc\u0645 \u06a9\u0647 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 <code>custom()<\/code> \u0631\u0648\u0634.  \u0627\u06cc\u0646 <code>custom()<\/code> \u0645\u062a\u062f \u062a\u0627\u0628\u0639\u06cc \u0631\u0627 \u0645\u06cc \u067e\u0630\u06cc\u0631\u062f \u06a9\u0647 \u0628\u0647 \u0639\u0644\u0627\u0648\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0647\u0645\u06af\u0627\u0645 \u0628\u0627\u0634\u062f.  \u0627\u06af\u0631 \u062a\u0627\u0628\u0639 \u0646\u0627\u0647\u0645\u06af\u0627\u0645 \u0628\u0627\u0634\u062f\u060c \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u06cc\u062f \u062f\u0631 \u0635\u0648\u0631\u062a \u0639\u062f\u0645 \u0645\u0648\u0641\u0642\u06cc\u062a \u0627\u0639\u062a\u0628\u0627\u0631\u060c \u0642\u0648\u0644 \u0631\u0627 \u0631\u062f \u06a9\u0646\u06cc\u062f \u0648 \u06cc\u06a9 \u067e\u06cc\u0627\u0645 \u0633\u0641\u0627\u0631\u0634\u06cc \u0631\u0627 \u0645\u0634\u062e\u0635 \u06a9\u0646\u06cc\u062f.  \u0627\u06af\u0631 \u0646\u0647\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u06cc\u06a9 \u0627\u0633\u062a\u062b\u0646\u0627 \u0628\u06cc\u0646\u062f\u0627\u0632\u06cc\u062f.<\/p>\n<p>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0627\u0628\u062a\u062f\u0627 \u0628\u0627 \u0631\u062f \u06cc\u06a9 \u0642\u0648\u0644 \u0634\u0631\u0648\u0639 \u06a9\u0646\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-comment\">\/\/ index.js<\/span>\n...\napp.post(<span class=\"hljs-string\">'\/register'<\/span>,\n    body(<span class=\"hljs-string\">\"username\"<\/span>).custom(<span class=\"hljs-function\"><span class=\"hljs-params\">value<\/span> =&gt;<\/span> {\n        <span class=\"hljs-keyword\">return<\/span> User.find({\n            <span class=\"hljs-attr\">username<\/span>: value\n        }).then(<span class=\"hljs-function\"><span class=\"hljs-params\">user<\/span> =&gt;<\/span> {\n            <span class=\"hljs-keyword\">if<\/span> (user.length &gt; <span class=\"hljs-number\">0<\/span>) {\n                <span class=\"hljs-comment\">\/\/ Custom error message and reject<\/span>\n                <span class=\"hljs-comment\">\/\/ the promise<\/span>\n                <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-built_in\">Promise<\/span>.reject(<span class=\"hljs-string\">'Username already in use'<\/span>);\n            }\n        });\n    }),\n    <span class=\"hljs-function\">(<span class=\"hljs-params\">req, res<\/span>) =&gt;<\/span> {\n        <span class=\"hljs-comment\">\/\/ Validate incoming input<\/span>\n        <span class=\"hljs-keyword\">const<\/span> errors = validationResult(req);\n        <span class=\"hljs-keyword\">if<\/span> (!errors.isEmpty()) {\n            <span class=\"hljs-keyword\">return<\/span> res.status(<span class=\"hljs-number\">400<\/span>).json({\n                <span class=\"hljs-attr\">errors<\/span>: errors.array()\n            });\n        }\n        ...\n    })\n<\/code><\/pre>\n<p>\u062f\u0631 \u0642\u0637\u0639\u0647 \u06a9\u062f \u0628\u0627\u0644\u0627\u060c \u0645\u0627 \u062f\u0631 \u062d\u0627\u0644 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u0647\u0633\u062a\u06cc\u0645 <code>find()<\/code> \u0631\u0648\u0634 \u0631\u0648\u06cc \u0637\u0631\u062d\u0648\u0627\u0631\u0647 \u06a9\u0627\u0631\u0628\u0631 \u0645\u062f\u0644 Mongoose \u0628\u0631\u0627\u06cc \u0628\u0631\u0631\u0633\u06cc \u0627\u06cc\u0646\u06a9\u0647 \u0622\u06cc\u0627 \u0646\u0627\u0645 \u06a9\u0627\u0631\u0628\u0631\u06cc \u0648\u0627\u0631\u062f \u0634\u062f\u0647 \u062a\u0648\u0633\u0637 \u0645\u0634\u062a\u0631\u06cc \u0627\u0632 \u0642\u0628\u0644 \u062f\u0631 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0645\u0627 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u06cc\u0627 \u062e\u06cc\u0631.<\/p>\n<p>\u0627\u06af\u0631 \u0648\u062c\u0648\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f\u060c \u0628\u0627 \u067e\u06cc\u0627\u0645\u06cc \u06a9\u0647 \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u06cc\u0645 \u0628\u0647 \u06a9\u0627\u0631\u0628\u0631 \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u06cc\u0645\u060c \u0642\u0648\u0644 \u0631\u0627 \u0631\u062f \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645.<\/p>\n<p>\u0627\u06af\u0631 \u0686\u0647 \u0627\u06af\u0631 \u0641\u06cc\u0644\u062f \u0646\u0627\u0645 \u06a9\u0627\u0631\u0628\u0631\u06cc \u062f\u0631 \u0647\u0646\u06af\u0627\u0645 \u062a\u0639\u06cc\u06cc\u0646 \u0637\u0631\u062d \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0645\u0646\u062d\u0635\u0631\u0628\u0647\u200c\u0641\u0631\u062f \u0639\u0644\u0627\u0645\u062a\u200c\u06af\u0630\u0627\u0631\u06cc \u0634\u0648\u062f\u060c MongoDB \u0628\u0647\u200c\u0637\u0648\u0631 \u062e\u0648\u062f\u06a9\u0627\u0631 \u0627\u06cc\u0646 \u0645\u0648\u0636\u0648\u0639 \u0631\u0627 \u062a\u0634\u062e\u06cc\u0635 \u0645\u06cc\u200c\u062f\u0647\u062f.  \u062a\u0648\u0635\u06cc\u0647 \u0645\u06cc \u0634\u0648\u062f \u0642\u0628\u0644 \u0627\u0632 \u0627\u06cc\u0646\u06a9\u0647 \u0628\u0647 DB \u0628\u0631\u0633\u062f\u060c \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u062f \u062a\u0627 \u0628\u0631\u0646\u0627\u0645\u0647 \u0645\u0627 \u067e\u06cc\u0634 \u0627\u0632 \u0645\u0648\u0639\u062f \u062e\u0631\u0627\u0628 \u0646\u0634\u0648\u062f.<\/p>\n<p>\u0627\u0632 \u0637\u0631\u0641 \u062f\u06cc\u06af\u0631\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u06cc\u06a9 \u0627\u0633\u062a\u062b\u0646\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0631\u0627\u0647\u06cc \u0628\u0631\u0627\u06cc \u0646\u0634\u0627\u0646 \u062f\u0627\u062f\u0646 \u0648\u0631\u0648\u062f\u06cc \u0646\u0627\u0645\u0639\u062a\u0628\u0631 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-comment\">\/\/ index.js<\/span>\n...\n    \napp.post(<span class=\"hljs-string\">'\/register'<\/span>,\n        body(<span class=\"hljs-string\">\"username\"<\/span>).custom(<span class=\"hljs-function\"><span class=\"hljs-params\">value<\/span> =&gt;<\/span> {\n            <span class=\"hljs-keyword\">return<\/span> User.find({\n                <span class=\"hljs-attr\">username<\/span>: value\n            }).then(<span class=\"hljs-function\"><span class=\"hljs-params\">user<\/span> =&gt;<\/span> {\n                <span class=\"hljs-keyword\">if<\/span> (user.length &gt; <span class=\"hljs-number\">0<\/span>) {\n                    <span class=\"hljs-keyword\">throw<\/span> (<span class=\"hljs-string\">\"Username is taken!\"<\/span>); <span class=\"hljs-comment\">\/\/custom error message<\/span>\n                }\n            });\n        }),\n...\n<\/code><\/pre>\n<h3 id=\"withmessagemethod\"><span class=\"ez-toc-section\" id=\"withmessage_%d8%b1%d9%88%d8%b4\"><\/span><em>withMessage()<\/em> \u0631\u0648\u0634<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0631\u0627\u0647 \u062f\u0648\u0645 \u0628\u0631\u0627\u06cc \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u067e\u06cc\u0627\u0645 \u0647\u0627\u06cc \u062e\u0637\u0627\u06cc \u0627\u0639\u062a\u0628\u0627\u0631\u0633\u0646\u062c\u06cc \u0633\u0641\u0627\u0631\u0634\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 <code>withMessage()<\/code>\u0632\u0646\u062c\u06cc\u0631.  \u0634\u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u062a\u0639\u062f\u0627\u062f\u06cc \u0627\u0639\u062a\u0628\u0627\u0631 \u0633\u0646\u062c \u0648 \u0628\u0647 \u062f\u0646\u0628\u0627\u0644 \u0622\u0646 \u0642\u0631\u0627\u0631 \u062f\u0647\u06cc\u062f <code>withMessage()<\/code> \u0631\u0648\u0634 \u0647\u0627\u06cc \u0632\u0646\u062c\u06cc\u0631\u0647 \u0627\u06cc \u0628\u0631\u0627\u06cc \u062a\u0639\u06cc\u06cc\u0646 \u067e\u06cc\u0627\u0645 \u0647\u0627\u06cc \u062e\u0637\u0627 \u0628\u0631\u0627\u06cc \u0647\u0631 \u0627\u0639\u062a\u0628\u0627\u0631\u0633\u0646\u062c\u06cc:<\/p>\n<pre><code class=\"hljs\">body(<span class=\"hljs-string\">\"parameter\"<\/span>)\n    .validator1()\n    .withMessage(<span class=\"hljs-string\">'Message 1'<\/span>)\n    .validator2()\n    .withMessage(<span class=\"hljs-string\">'Message 2'<\/span>)\n<\/code><\/pre>\n<p>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0627\u06cc\u0646 \u0631\u0627 \u0628\u0627 \u0631\u0648\u0634 \u0647\u0627\u06cc \u0648\u0627\u0642\u0639\u06cc \u062f\u0631 \u0645\u062b\u0627\u0644 \u062e\u0648\u062f \u0627\u0639\u0645\u0627\u0644 \u06a9\u0646\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-comment\">\/\/ index.js<\/span>\n    \n...\napp.post(<span class=\"hljs-string\">'\/register'<\/span>,\n    body(<span class=\"hljs-string\">\"password\"<\/span>).isStrongPassword({\n        <span class=\"hljs-attr\">minLength<\/span>: <span class=\"hljs-number\">8<\/span>,\n        <span class=\"hljs-attr\">minLowercase<\/span>: <span class=\"hljs-number\">1<\/span>,\n        <span class=\"hljs-attr\">minUppercase<\/span>: <span class=\"hljs-number\">1<\/span>,\n        <span class=\"hljs-attr\">minNumbers<\/span>: <span class=\"hljs-number\">1<\/span>\n    })\n    .withMessage(<span class=\"hljs-string\">\"Password must be greater than 8 and contain at least one uppercase letter, one lowercase letter, and one number\"<\/span>),\n    <span class=\"hljs-function\">(<span class=\"hljs-params\">req, res<\/span>) =&gt;<\/span> {\n        <span class=\"hljs-comment\">\/\/ Validate incoming input<\/span>\n    })\n...\n<\/code><\/pre>\n<p>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u06cc\u06a9 \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u062f\u06cc\u06af\u0631 \u0628\u0627 \u06cc\u06a9 \u0631\u0645\u0632 \u0639\u0628\u0648\u0631 \u0646\u0627\u0645\u0639\u062a\u0628\u0631 \u0648 \u06cc\u06a9 \u0646\u0627\u0645 \u06a9\u0627\u0631\u0628\u0631\u06cc \u06a9\u0647 \u0642\u0628\u0644\u0627\u064b \u062f\u0631 \u062d\u0627\u0644 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0633\u062a\u060c \u0627\u0631\u0627\u0626\u0647 \u062f\u0647\u06cc\u0645:<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/rasanegar.com\/blog\/wp-content\/uploads\/2024\/01\/form-data-validation-in-nodejs-with-express-validator-3.png\" alt=\"\u0642\u0648\u0627\u0646\u06cc\u0646 \u0627\u0639\u062a\u0628\u0627\u0631 \u0633\u0646\u062c\u06cc \u0633\u0641\u0627\u0631\u0634\u06cc \u0648 \u067e\u06cc\u0627\u0645 \u0647\u0627\u06cc \u062e\u0637\u0627\" title=\"\"><\/p>\n<h2 id=\"schemavalidationwithexpressvalidator\"><span class=\"ez-toc-section\" id=\"%d8%a7%d8%b9%d8%aa%d8%a8%d8%a7%d8%b1_%d8%b3%d9%86%d8%ac%db%8c_%d8%b7%d8%b1%d8%ad%d9%88%d8%a7%d8%b1%d9%87_%d8%a8%d8%a7_express-validator\"><\/span>\u0627\u0639\u062a\u0628\u0627\u0631 \u0633\u0646\u062c\u06cc \u0637\u0631\u062d\u0648\u0627\u0631\u0647 \u0628\u0627 express-validator<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0627\u0639\u062a\u0628\u0627\u0631 \u0633\u0646\u062c\u06cc \u0637\u0631\u062d\u0648\u0627\u0631\u0647 \u06cc\u06a9 \u0631\u0648\u06cc\u06a9\u0631\u062f \u062a\u0645\u06cc\u0632\u062a\u0631 \u0628\u0631\u0627\u06cc \u0627\u0639\u062a\u0628\u0627\u0631\u0633\u0646\u062c\u06cc \u062f\u0627\u062f\u0647 \u0647\u0627 \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc \u062f\u0647\u062f.  \u0628\u0647 \u062c\u0627\u06cc \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u062a\u0648\u0627\u0628\u0639 \u0645\u062a\u0639\u062f\u062f\u060c \u0642\u0648\u0627\u0646\u06cc\u0646 \u0627\u0639\u062a\u0628\u0627\u0631 \u0633\u0646\u062c\u06cc \u0631\u0627 \u0628\u0631\u0627\u06cc \u0647\u0631 \u0641\u06cc\u0644\u062f \u0645\u0634\u062e\u0635 \u0645\u06cc \u06a9\u0646\u06cc\u0645 \u0648 \u0637\u0631\u062d\u0648\u0627\u0631\u0647 \u0631\u0627 \u0628\u0647 \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u0645\u06cc\u0627\u0646 \u0627\u0641\u0632\u0627\u0631 \u0645\u0646\u0641\u0631\u062f \u0628\u0647 \u0646\u0627\u0645 \u0645\u0646\u062a\u0642\u0644 \u0645\u06cc \u06a9\u0646\u06cc\u0645. <code>checkSchema()<\/code>.<\/p>\n<p>\u062f\u0631 \u0642\u0637\u0639\u0647 \u0632\u06cc\u0631\u060c \u06cc\u06a9 \u0637\u0631\u062d \u0627\u0639\u062a\u0628\u0627\u0631\u0633\u0646\u062c\u06cc \u0628\u0631\u0627\u06cc \u0646\u0642\u0637\u0647 \u067e\u0627\u06cc\u0627\u0646\u06cc \u062b\u0628\u062a \u0646\u0627\u0645 \u06a9\u0627\u0631\u0628\u0631 \u0627\u06cc\u062c\u0627\u062f \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-comment\">\/\/ index.js<\/span>\n... \n<span class=\"hljs-keyword\">const<\/span> {body, checkSchema, validationResult} = <span class=\"hljs-built_in\">require<\/span>(<span class=\"hljs-string\">'express-validator'<\/span>);\n<span class=\"hljs-keyword\">const<\/span> registrationSchema = {\n    <span class=\"hljs-attr\">username<\/span>: {\n        <span class=\"hljs-attr\">custom<\/span>: {\n            <span class=\"hljs-attr\">options<\/span>: <span class=\"hljs-function\"><span class=\"hljs-params\">value<\/span> =&gt;<\/span> {\n                <span class=\"hljs-keyword\">return<\/span> User.find({\n                    <span class=\"hljs-attr\">username<\/span>: value\n                }).then(<span class=\"hljs-function\"><span class=\"hljs-params\">user<\/span> =&gt;<\/span> {\n                    <span class=\"hljs-keyword\">if<\/span> (user.length &gt; <span class=\"hljs-number\">0<\/span>) {\n                        <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-built_in\">Promise<\/span>.reject(<span class=\"hljs-string\">'Username already in use'<\/span>)\n                    }\n                })\n            }\n        }\n    },\n    <span class=\"hljs-attr\">gender<\/span>: {\n        <span class=\"hljs-attr\">notEmpty<\/span>: <span class=\"hljs-literal\">true<\/span>,\n        <span class=\"hljs-attr\">errorMessage<\/span>: <span class=\"hljs-string\">\"Gender field cannot be empty\"<\/span>\n    },\n    <span class=\"hljs-attr\">password<\/span>: {\n        <span class=\"hljs-attr\">isStrongPassword<\/span>: {\n            <span class=\"hljs-attr\">minLength<\/span>: <span class=\"hljs-number\">8<\/span>,\n            <span class=\"hljs-attr\">minLowercase<\/span>: <span class=\"hljs-number\">1<\/span>,\n            <span class=\"hljs-attr\">minUppercase<\/span>: <span class=\"hljs-number\">1<\/span>,\n            <span class=\"hljs-attr\">minNumbers<\/span>: <span class=\"hljs-number\">1<\/span>\n        },\n        <span class=\"hljs-attr\">errorMessage<\/span>: <span class=\"hljs-string\">\"Password must be greater than 8 and contain at least one uppercase letter, one lowercase letter, and one number\"<\/span>,\n    },\n    <span class=\"hljs-attr\">phone<\/span>: {\n        <span class=\"hljs-attr\">notEmpty<\/span>: <span class=\"hljs-literal\">true<\/span>,\n        <span class=\"hljs-attr\">errorMessage<\/span>: <span class=\"hljs-string\">\"Phone number cannot be empty\"<\/span>\n    },\n    <span class=\"hljs-attr\">email<\/span>: {\n        <span class=\"hljs-attr\">normalizeEmail<\/span>: <span class=\"hljs-literal\">true<\/span>,\n        <span class=\"hljs-attr\">custom<\/span>: {\n            <span class=\"hljs-attr\">options<\/span>: <span class=\"hljs-function\"><span class=\"hljs-params\">value<\/span> =&gt;<\/span> {\n                <span class=\"hljs-keyword\">return<\/span> User.find({\n                    <span class=\"hljs-attr\">email<\/span>: value\n                }).then(<span class=\"hljs-function\"><span class=\"hljs-params\">user<\/span> =&gt;<\/span> {\n                    <span class=\"hljs-keyword\">if<\/span> (user.length &gt; <span class=\"hljs-number\">0<\/span>) {\n                        <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-built_in\">Promise<\/span>.reject(<span class=\"hljs-string\">'Email address already taken'<\/span>)\n                    }\n                })\n            }\n        }\n    }\n}\n...\n<\/code><\/pre>\n<p>\u0628\u0627 \u0645\u0634\u062e\u0635 \u06a9\u0631\u062f\u0646 \u06cc\u06a9 \u0637\u0631\u062d\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u0641\u06cc\u0644\u062f\u0647\u0627\u06cc \u0648\u0631\u0648\u062f\u06cc \u062e\u0627\u0635 \u0631\u0627 \u0628\u0631\u0627\u06cc \u0627\u0639\u0645\u0627\u0644 \u0627\u0639\u062a\u0628\u0627\u0631\u0633\u0646\u062c\u06cc\u200c\u0647\u0627 \u0648 \u0636\u062f\u0639\u0641\u0648\u0646\u06cc\u200c\u06a9\u0646\u0646\u062f\u0647\u200c\u0647\u0627 \u0628\u0631\u0631\u0633\u06cc \u06a9\u0646\u06cc\u0645\u060c \u0648 \u0628\u0633\u06cc\u0627\u0631 \u062e\u0648\u0627\u0646\u0627\u062a\u0631 \u0627\u0632 \u0632\u0646\u062c\u06cc\u0631\u0647\u200c\u0627\u06cc \u06a9\u0631\u062f\u0646 \u0628\u0633\u06cc\u0627\u0631\u06cc \u0627\u0632 \u0631\u0648\u0634\u200c\u0647\u0627 \u0628\u0627 \u067e\u06cc\u0627\u0645\u200c\u0647\u0627\u06cc \u0627\u0639\u062a\u0628\u0627\u0631\u0633\u0646\u062c\u06cc \u0627\u0633\u062a \u06a9\u0647 \u062f\u0631 \u0628\u062e\u0634\u200c\u0647\u0627\u06cc \u0642\u0628\u0644\u06cc \u062f\u06cc\u062f\u06cc\u0645.<\/p>\n<p>\u062d\u0627\u0644\u0627\u060c \u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u062c\u0644\u0648 \u0628\u0631\u0648\u06cc\u0645 \u0648 \u0627\u0632 \u0627\u06cc\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645 <code>checkSchema()<\/code> \u0628\u0631\u0627\u06cc \u062a\u0627\u06cc\u06cc\u062f \u062f\u0627\u062f\u0647 \u0647\u0627 \u0631\u0648\u06cc \u062b\u0628\u062a:<\/p>\n<pre><code class=\"hljs\">app.post(<span class=\"hljs-string\">'\/signup'<\/span>, checkSchema(registrationSchema), <span class=\"hljs-function\">(<span class=\"hljs-params\">req, res<\/span>) =&gt;<\/span> {\n    <span class=\"hljs-comment\">\/\/ Validate incoming input<\/span>\n    <span class=\"hljs-keyword\">const<\/span> errors = validationResult(req);\n\n    <span class=\"hljs-keyword\">if<\/span> (!errors.isEmpty()) {\n        <span class=\"hljs-keyword\">return<\/span> res.status(<span class=\"hljs-number\">400<\/span>).json({\n            <span class=\"hljs-attr\">errors<\/span>: errors.array()\n        });\n    }\n\n    res.status(<span class=\"hljs-number\">200<\/span>).json({\n        <span class=\"hljs-attr\">success<\/span>: <span class=\"hljs-literal\">true<\/span>,\n        <span class=\"hljs-attr\">message<\/span>: <span class=\"hljs-string\">'Registration successful'<\/span>,\n    });\n})\n<\/code><\/pre>\n<p>\u0627\u06af\u0631 \u0641\u0642\u0637 \u0628\u0647 \u0645\u0642\u062f\u0627\u0631 \u06a9\u0645\u06cc \u0627\u0639\u062a\u0628\u0627\u0631 \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u06cc\u062f \u0648 \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u062f \u0622\u0646 \u0631\u0627 \u0633\u0627\u062f\u0647 \u0646\u06af\u0647 \u062f\u0627\u0631\u06cc\u062f\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 \u0631\u0648\u0634 \u0647\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.  \u0627\u06af\u0631 \u0645\u0642\u062f\u0627\u0631 \u0632\u06cc\u0627\u062f\u06cc \u0627\u0632 \u0627\u0639\u062a\u0628\u0627\u0631\u0633\u0646\u062c\u06cc\u200c\u0647\u0627 \u0631\u0627 \u0628\u0627\u06cc\u062f \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u062f\u060c \u0627\u06af\u0631 \u0627\u0632 \u0627\u0639\u062a\u0628\u0627\u0631\u0633\u0646\u062c\u06cc \u0637\u0631\u062d\u0648\u0627\u0631\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f\u060c \u062e\u0648\u0627\u0646\u0627\u062a\u0631 \u062e\u0648\u0627\u0647\u062f \u0628\u0648\u062f.<\/p>\n<h2 id=\"standardizingvalidationresponseswithexpressvalidator\"><span class=\"ez-toc-section\" id=\"%d8%a7%d8%b3%d8%aa%d8%a7%d9%86%d8%af%d8%a7%d8%b1%d8%af_%da%a9%d8%b1%d8%af%d9%86_%d9%be%d8%a7%d8%b3%d8%ae_%d9%87%d8%a7%db%8c_%d8%a7%d8%b9%d8%aa%d8%a8%d8%a7%d8%b1%d8%b3%d9%86%d8%ac%db%8c_%d8%a8%d8%a7_express-validator\"><\/span>\u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f \u06a9\u0631\u062f\u0646 \u067e\u0627\u0633\u062e \u0647\u0627\u06cc \u0627\u0639\u062a\u0628\u0627\u0631\u0633\u0646\u062c\u06cc \u0628\u0627 Express-validator<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><code>express-validator<\/code>  \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f \u06a9\u0631\u062f\u0646 \u067e\u0627\u0633\u062e\u200c\u0647\u0627\u06cc \u062e\u0637\u0627\u06cc \u0627\u0639\u062a\u0628\u0627\u0631\u0633\u0646\u062c\u06cc \u0631\u0627 \u0645\u0645\u06a9\u0646 \u0645\u06cc\u200c\u0633\u0627\u0632\u062f.  \u0627\u06cc\u0646 \u0628\u062f\u0627\u0646 \u0645\u0639\u0646\u0627\u0633\u062a \u06a9\u0647 \u0634\u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u062a\u0648\u0627\u0628\u0639 \u0645\u06cc\u0627\u0646 \u0627\u0641\u0632\u0627\u0631 \u062e\u0648\u062f \u0631\u0627 \u0628\u0631\u0627\u06cc \u0627\u062c\u0631\u0627\u06cc \u0627\u0639\u062a\u0628\u0627\u0631\u0633\u0646\u062c\u06cc \u0648 \u0645\u062f\u06cc\u0631\u06cc\u062a \u062e\u0637\u0627\u0647\u0627\u06cc \u0627\u0639\u062a\u0628\u0627\u0631 \u0633\u0646\u062c\u06cc \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u062f.<\/p>\n<p>\u0646\u0645\u0648\u0646\u0647 \u0627\u06cc \u0627\u0632 \u0627\u06cc\u0646\u06a9\u0647 \u0686\u06af\u0648\u0646\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646 \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u062f\u0627\u062f\u060c \u0627\u06cc\u062c\u0627\u062f \u06cc\u06a9 \u0627\u0633\u062a <code>validate()<\/code> \u062a\u0627\u0628\u0639\u06cc \u06a9\u0647 \u062a\u0645\u0627\u0645 \u0627\u0639\u062a\u0628\u0627\u0631 \u0633\u0646\u062c\u06cc \u0647\u0627\u06cc \u0645\u0627 \u0631\u0627 \u0645\u06cc \u067e\u0630\u06cc\u0631\u062f \u0648 \u0622\u0646\u0647\u0627 \u0631\u0627 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u0648\u0627\u0632\u06cc \u0627\u062c\u0631\u0627 \u0645\u06cc \u06a9\u0646\u062f <code>Promise.all()<\/code>:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-comment\">\/\/ index.js<\/span>\n<span class=\"hljs-keyword\">const<\/span> validate = <span class=\"hljs-function\"><span class=\"hljs-params\">validations<\/span> =&gt;<\/span> {\n    <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-keyword\">async<\/span> (req, res, next) =&gt; {\n        <span class=\"hljs-keyword\">await<\/span> <span class=\"hljs-built_in\">Promise<\/span>.all(validations.map(<span class=\"hljs-function\"><span class=\"hljs-params\">validation<\/span> =&gt;<\/span> validation.run(req)));\n\n        <span class=\"hljs-keyword\">const<\/span> errors = validationResult(req);\n        <span class=\"hljs-keyword\">if<\/span> (errors.isEmpty()) {\n            <span class=\"hljs-keyword\">return<\/span> next();\n        }\n\n        res.status(<span class=\"hljs-number\">400<\/span>).json({\n            <span class=\"hljs-attr\">errors<\/span>: errors.array()\n        });\n    };\n};\n<\/code><\/pre>\n<p>\u0627\u06a9\u0646\u0648\u0646 \u062a\u0627\u0628\u0639 \u0627\u0639\u062a\u0628\u0627\u0631\u0633\u0646\u062c\u06cc \u0645\u0627 \u0627\u06cc\u062c\u0627\u062f \u0634\u062f\u0647 \u0627\u0633\u062a \u06a9\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u062f\u0648\u0628\u0627\u0631\u0647 \u0627\u0632 \u0622\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645 \u0631\u0648\u06cc \u0645\u0633\u06cc\u0631\u0647\u0627\u06cc \u0645\u062a\u0639\u062f\u062f  \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0622\u0646 \u0631\u0627 \u062f\u0631 \u0645\u0633\u06cc\u0631\u0647\u0627\u06cc \u0648\u0631\u0648\u062f \u0648 \u062b\u0628\u062a \u0646\u0627\u0645 \u062e\u0648\u062f \u0627\u0639\u0645\u0627\u0644 \u06a9\u0646\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-comment\">\/\/ index.js<\/span>\n...\napp.post(<span class=\"hljs-string\">'\/login'<\/span>, validate((\n        body(<span class=\"hljs-string\">'email'<\/span>).isEmail().normalizeEmail(),\n        body(<span class=\"hljs-string\">'password'<\/span>).isLength({\n            <span class=\"hljs-attr\">min<\/span>: <span class=\"hljs-number\">12<\/span>\n        })\n    )),\n    <span class=\"hljs-function\">(<span class=\"hljs-params\">req, res<\/span>) =&gt;<\/span> {\n        <span class=\"hljs-comment\">\/\/ Process data<\/span>\n        res.status(<span class=\"hljs-number\">200<\/span>).json({\n            <span class=\"hljs-attr\">success<\/span>: <span class=\"hljs-literal\">true<\/span>,\n            <span class=\"hljs-attr\">message<\/span>: <span class=\"hljs-string\">'Login successful'<\/span>,\n        })\n    });\n\napp.post(<span class=\"hljs-string\">'\/register'<\/span>, validate(checkSchema(registrationSchema)), <span class=\"hljs-function\">(<span class=\"hljs-params\">req, res<\/span>) =&gt;<\/span> {\n    <span class=\"hljs-comment\">\/\/ Process data<\/span>\n    res.status(<span class=\"hljs-number\">200<\/span>).json({\n        <span class=\"hljs-attr\">success<\/span>: <span class=\"hljs-literal\">true<\/span>,\n        <span class=\"hljs-attr\">message<\/span>: <span class=\"hljs-string\">'Registration successful'<\/span>,\n    });\n});\n...\n<\/code><\/pre>\n<p>\u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u062f\u0631 \u0642\u0637\u0639\u0647 \u0628\u0627\u0644\u0627 \u0645\u0634\u0627\u0647\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f &#8211; \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06cc\u06a9 \u0645\u06cc\u0627\u0646 \u0627\u0641\u0632\u0627\u0631 \u0627\u0639\u062a\u0628\u0627\u0631 \u0633\u0646\u062c\u06cc \u0633\u0641\u0627\u0631\u0634\u06cc \u06a9\u0647 \u062a\u0645\u0627\u0645 \u0627\u0639\u062a\u0628\u0627\u0631 \u0633\u0646\u062c\u06cc \u0647\u0627 \u0648 \u0636\u062f \u0639\u0641\u0648\u0646\u06cc \u06a9\u0646\u0646\u062f\u0647 \u0647\u0627\u06cc \u0645\u0627 \u0631\u0627 \u0627\u062c\u0631\u0627 \u0645\u06cc \u06a9\u0646\u062f\u060c \u0646\u0647 \u062a\u0646\u0647\u0627 \u0639\u0645\u0644\u06a9\u0631\u062f \u0631\u0627 \u0628\u0627 <code>Promise.all()<\/code> \u062a\u0645\u0627\u0633 \u0628\u06af\u06cc\u0631\u06cc\u062f\u060c \u0627\u0645\u0627 \u0647\u0645\u0686\u0646\u06cc\u0646 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u062e\u0648\u0627\u0646\u0627\u06cc\u06cc \u06a9\u062f \u0631\u0627 \u0628\u0647\u0628\u0648\u062f \u0628\u0628\u062e\u0634\u06cc\u0645.  \u0627\u06cc\u0646 \u0632\u0645\u0627\u0646\u06cc \u0645\u0641\u06cc\u062f \u062e\u0648\u0627\u0647\u062f \u0628\u0648\u062f \u06a9\u0647 \u0645\u0627 \u0646\u06cc\u0627\u0632 \u0628\u0647 \u0627\u0639\u062a\u0628\u0627\u0631\u0633\u0646\u062c\u06cc \u062a\u0639\u062f\u0627\u062f \u0632\u06cc\u0627\u062f\u06cc \u0641\u06cc\u0644\u062f \u0641\u0631\u0645 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u0645.<\/p>\n<h2 id=\"conclusion\"><span class=\"ez-toc-section\" id=\"%d9%86%d8%aa%db%8c%d8%ac%d9%87\"><\/span>\u0646\u062a\u06cc\u062c\u0647<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647\u060c \u0645\u0627 \u0628\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0648\u0644\u06cc\u0647 \u0648 \u067e\u06cc\u0634\u0631\u0641\u062a\u0647 \u062a\u0631 \u0627\u0632 \u0622\u0646 \u067e\u0631\u062f\u0627\u062e\u062a\u0647 \u0627\u06cc\u0645 <code>express-validator<\/code>\u060c \u06cc\u06a9 \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647 \u0628\u0632\u0631\u06af \u0633\u0628\u06a9 \u0648\u0632\u0646 \u06a9\u0647 \u062f\u0631 \u0627\u0637\u0631\u0627\u0641 \u0634\u0646\u0627\u062e\u062a\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a <code>validator.js<\/code> \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647<\/p>\n<\/div>\n<p>    (\u0628\u0631\u0686\u0633\u0628\u200c\u0647\u0627 \u0628\u0631\u0627\u06cc \u062a\u0631\u062c\u0645\u0647)# \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a<br \/>\n<br \/><br \/>\n<br \/>\u0645\u0646\u062a\u0634\u0631 \u0634\u062f\u0647 \u062f\u0631 1403-01-17 12:55:03<br \/>\n<\/p>\n\n\n<div class=\"kk-star-ratings kksr-auto kksr-align-center kksr-valign-bottom\"\n    data-payload='{&quot;align&quot;:&quot;center&quot;,&quot;id&quot;:&quot;15818&quot;,&quot;slug&quot;:&quot;default&quot;,&quot;valign&quot;:&quot;bottom&quot;,&quot;ignore&quot;:&quot;&quot;,&quot;reference&quot;:&quot;auto&quot;,&quot;class&quot;:&quot;&quot;,&quot;count&quot;:&quot;0&quot;,&quot;legendonly&quot;:&quot;&quot;,&quot;readonly&quot;:&quot;&quot;,&quot;score&quot;:&quot;0&quot;,&quot;starsonly&quot;:&quot;&quot;,&quot;best&quot;:&quot;5&quot;,&quot;gap&quot;:&quot;5&quot;,&quot;greet&quot;:&quot;\u0627\u0645\u062a\u06cc\u0627\u0632 \u0634\u0645\u0627 \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0637\u0644\u0628&quot;,&quot;legend&quot;:&quot;0\\\/5 (0 \u0631\u0627\u06cc)&quot;,&quot;size&quot;:&quot;30&quot;,&quot;title&quot;:&quot;\u0627\u0639\u062a\u0628\u0627\u0631\u0633\u0646\u062c\u06cc \u062f\u0627\u062f\u0647\u200c\u0647\u0627\u06cc \u0641\u0631\u0645 \u062f\u0631 Node.js \u0628\u0627 express-validator \u0627\u0646\u062c\u0627\u0645 \u0627\u0639\u062a\u0628\u0627\u0631\u0633\u0646\u062c\u06cc \u0633\u0645\u062a \u0633\u0631\u0648\u0631 \u0647\u0646\u06af\u0627\u0645 \u0633\u0627\u062e\u062a \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0647\u0627 - \u0628\u0647\u200c\u0648\u06cc\u0698\u0647 \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0647\u0627\u06cc \u0631\u0648 \u0628\u0647 \u0645\u0634\u062a\u0631\u06cc - \u0636\u0631\u0648\u0631\u06cc \u0627\u0633\u062a.  \u062f\u0644\u06cc\u0644 \u0622\u0646 \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 \u0647\u0631\u06af\u0632 \u0646\u0645\u06cc \u062a\u0648\u0627\u0646 \u0628\u0647 \u0622\u0646 \u0627\u0639\u062a\u0645\u0627\u062f \u06a9\u0631\u062f \u0631\u0648\u06cc \u0648\u0631\u0648\u062f\u06cc \u06a9\u0627\u0631\u0628\u0631 \u0628\u0647 \u062a\u0646\u0647\u0627\u06cc\u06cc\u061b  \u0632\u06cc\u0631\u0627 \u06af\u0627\u0647\u06cc \u0627\u0648\u0642\u0627\u062a \u0627\u06cc\u0646 \u0648\u0631\u0648\u062f\u06cc \u0647\u0627 \u062d\u0627\u0648\u06cc \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u062c\u0639\u0644\u06cc\\\/\u0645\u062e\u0631\u0628 \u0647\u0633\u062a\u0646\u062f.  \u0627\u0639\u062a\u0628\u0627\u0631 \u0633\u0646\u062c\u06cc \u0633\u0645\u062a \u0645\u0634\u062a\u0631\u06cc \u06cc\u06a9 \u0631\u0627\u0647 \u0639\u0627\u0644\u06cc \u0628\u0631\u0627\u06cc \u0628\u0631\u0631\u0633\u06cc \u0628\u06cc\u0634\u062a\u0631 \u0648\u0631\u0648\u062f\u06cc \u0647\u0627 \u0627\u0633\u062a\u060c \u0627\u0645\u0627...&quot;,&quot;width&quot;:&quot;0&quot;,&quot;_legend&quot;:&quot;{score}\\\/{best} ({count} \u0631\u0627\u06cc)&quot;,&quot;font_factor&quot;:&quot;1.25&quot;}'>\n            \n<div class=\"kksr-stars\">\n    \n<div class=\"kksr-stars-inactive\">\n            <div class=\"kksr-star\" data-star=\"1\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"2\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"3\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"4\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"5\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n    <\/div>\n    \n<div class=\"kksr-stars-active\" style=\"width: 0px;\">\n            <div class=\"kksr-star\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n                \n\n<div class=\"kksr-legend\" style=\"font-size: 24px;\">\n            <span class=\"kksr-muted\">\u0627\u0645\u062a\u06cc\u0627\u0632 \u0634\u0645\u0627 \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0637\u0644\u0628<\/span>\n    <\/div>\n    <\/div>\n","protected":false},"excerpt":{"rendered":"<p><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">\u0632\u0645\u0627\u0646 \u0644\u0627\u0632\u0645 \u0628\u0631\u0627\u06cc \u0645\u0637\u0627\u0644\u0639\u0647: <\/span> <span class=\"rt-time\"> 7<\/span> <span class=\"rt-label rt-postfix\">\u062f\u0642\u06cc\u0642\u0647<\/span><\/span>\u0645\u0639\u0631\u0641\u06cc \u0627\u0646\u062c\u0627\u0645 \u0627\u0639\u062a\u0628\u0627\u0631\u0633\u0646\u062c\u06cc \u0633\u0645\u062a \u0633\u0631\u0648\u0631 \u0647\u0646\u06af\u0627\u0645 \u0633\u0627\u062e\u062a \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0647\u0627 &#8211; \u0628\u0647\u200c\u0648\u06cc\u0698\u0647 \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0647\u0627\u06cc \u0631\u0648 \u0628\u0647 \u0645\u0634\u062a\u0631\u06cc &#8211; \u0636\u0631\u0648\u0631\u06cc \u0627\u0633\u062a. \u062f\u0644\u06cc\u0644 \u0622\u0646 \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 \u0647\u0631\u06af\u0632 \u0646\u0645\u06cc \u062a\u0648\u0627\u0646 \u0628\u0647 \u0622\u0646 \u0627\u0639\u062a\u0645\u0627\u062f \u06a9\u0631\u062f \u0631\u0648\u06cc \u0648\u0631\u0648\u062f\u06cc \u06a9\u0627\u0631\u0628\u0631 \u0628\u0647 \u062a\u0646\u0647\u0627\u06cc\u06cc\u061b \u0632\u06cc\u0631\u0627 \u06af\u0627\u0647\u06cc \u0627\u0648\u0642\u0627\u062a \u0627\u06cc\u0646 \u0648\u0631\u0648\u062f\u06cc \u0647\u0627 \u062d\u0627\u0648\u06cc \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u062c\u0639\u0644\u06cc\/\u0645\u062e\u0631\u0628 \u0647\u0633\u062a\u0646\u062f. \u0627\u0639\u062a\u0628\u0627\u0631 \u0633\u0646\u062c\u06cc \u0633\u0645\u062a \u06a9\u0644\u0627\u06cc\u0646\u062a \u06cc\u06a9 \u0631\u0627\u0647 \u0639\u0627\u0644\u06cc \u0628\u0631\u0627\u06cc \u0628\u0631\u0631\u0633\u06cc \u0628\u06cc\u0634\u062a\u0631 [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":15819,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1772,620],"tags":[],"class_list":["post-15818","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-javascript","category-programming"],"acf":[],"_links":{"self":[{"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/posts\/15818","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/comments?post=15818"}],"version-history":[{"count":0,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/posts\/15818\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/media\/15819"}],"wp:attachment":[{"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/media?parent=15818"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/categories?post=15818"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/tags?post=15818"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}