{"id":67595,"date":"2024-06-27T02:26:05","date_gmt":"2024-06-26T22:56:05","guid":{"rendered":"https:\/\/nabfollower.com\/blog\/elevate-your-typescript-skills-with-type-guards-ts-36k7\/"},"modified":"2024-06-27T02:26:05","modified_gmt":"2024-06-26T22:56:05","slug":"elevate-your-typescript-skills-with-type-guards-ts-36k7","status":"publish","type":"post","link":"https:\/\/nabfollower.com\/blog\/elevate-your-typescript-skills-with-type-guards-ts-36k7\/","title":{"rendered":"\ud83c\udfaf \u0645\u0647\u0627\u0631\u062a \u0647\u0627\u06cc TypeScript \u062e\u0648\u062f \u0631\u0627 \u0628\u0627 &#8220;type-guards-ts&#8221; \u0627\u0631\u062a\u0642\u0627 \u062f\u0647\u06cc\u062f!"},"content":{"rendered":"<p>Summarize this content to 400 words in Persian Lang<br \/>\n            \u067e\u0633 \u0627\u0632 \u0645\u0648\u0641\u0642\u06cc\u062a \u0622\u062e\u0631\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0645\u0627 \u062f\u0631 \u0645\u0648\u0631\u062f \u062a\u0633\u0644\u0637 \u0628\u0631 \u0645\u062d\u0627\u0641\u0638 \u0647\u0627\u06cc \u0646\u0648\u0639\u060c \u062a\u0635\u0645\u06cc\u0645 \u06af\u0631\u0641\u062a\u0645 \u06cc\u06a9 \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647 NPM \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u0645 \u062a\u0627 \u0628\u0647 \u0633\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u0641\u0631\u0622\u06cc\u0646\u062f \u06a9\u0645\u06a9 \u06a9\u0646\u062f.  \u0645\u0639\u0631\u0641\u06cc \u06a9\u0631\u062f\u0646 type-guards-ts\u060c \u06cc\u06a9 \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647 \u062c\u0627\u0645\u0639 \u0637\u0631\u0627\u062d\u06cc \u0634\u062f\u0647 \u0628\u0631\u0627\u06cc \u0627\u0631\u062a\u0642\u0627\u06cc \u067e\u0631\u0648\u0698\u0647 \u0647\u0627\u06cc TypeScript \u0634\u0645\u0627 \u0628\u0627 \u062a\u06a9\u0646\u06cc\u06a9 \u0647\u0627\u06cc \u0645\u062d\u0627\u0641\u0638\u062a \u0627\u0632 \u0646\u0648\u0639 \u067e\u06cc\u0634\u0631\u0641\u062a\u0647!<\/p>\n<p>\u0628\u0631\u0627\u06cc \u062a\u0633\u0644\u0637 \u0628\u0631 \u0645\u062d\u0627\u0641\u0638 \u0647\u0627\u06cc \u0646\u0648\u0639 TypeScript \u0622\u0645\u0627\u062f\u0647 \u0647\u0633\u062a\u06cc\u062f\u061f  \u0628\u0631\u0627\u06cc \u06cc\u0627\u062f\u06af\u06cc\u0631\u06cc \u0646\u062d\u0648\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0634\u06cc\u0631\u062c\u0647 \u0628\u0632\u0646\u06cc\u062f type-guards-ts \u0648 \u06a9\u062f \u062e\u0648\u062f \u0631\u0627 \u0642\u0648\u06cc \u062a\u0631 \u0648 \u0627\u06cc\u0645\u0646 \u062a\u0631 \u06a9\u0646\u06cc\u062f.<\/p>\n<p>\ud83d\udd17 \u0628\u0633\u062a\u0647: https:\/\/www.npmjs.com\/package\/type-guards-ts<\/p>\n<p>  \u062a\u0633\u0644\u0637 \u0628\u0631 \u06af\u0627\u0631\u062f\u0647\u0627\u06cc \u0646\u0648\u0639 \u0628\u0627 type-guards-ts<\/p>\n<p>  \u0634\u0631\u062d<\/p>\n<p>type-guards-ts  \u06cc\u06a9 \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647 \u0642\u062f\u0631\u062a\u0645\u0646\u062f TypeScript \u0627\u0633\u062a \u06a9\u0647 \u0645\u062c\u0645\u0648\u0639\u0647 \u0627\u06cc \u0627\u0632 \u062a\u0648\u0627\u0628\u0639 \u0645\u062d\u0627\u0641\u0638 \u0646\u0648\u0639 \u0631\u0627 \u0628\u0631\u0627\u06cc \u06a9\u0645\u06a9 \u0628\u0647 \u0634\u0645\u0627 \u062f\u0631 \u0627\u0646\u062c\u0627\u0645 \u0628\u0631\u0631\u0633\u06cc \u0646\u0648\u0639 \u0632\u0645\u0627\u0646 \u0627\u062c\u0631\u0627 \u0648 \u0628\u0627\u0631\u06cc\u06a9 \u06a9\u0631\u062f\u0646 \u0646\u0648\u0639 \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc \u062f\u0647\u062f.  \u0627\u06cc\u0646 \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647 \u0634\u0627\u0645\u0644 \u062a\u0648\u0627\u0628\u0639\u06cc \u0628\u0631\u0627\u06cc \u0628\u0631\u0631\u0633\u06cc \u0627\u06cc\u0646\u06a9\u0647 \u0622\u06cc\u0627 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u0627\u0632 \u0646\u0648\u0639 \u062e\u0627\u0635\u06cc \u0627\u0633\u062a (\u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u060c isBoolean) \u0648 \u062a\u0648\u0627\u0628\u0639 \u0628\u0631\u0627\u06cc \u0628\u0631\u0631\u0633\u06cc \u0627\u06cc\u0646\u06a9\u0647 \u0622\u06cc\u0627 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u0627\u0632 \u0646\u0648\u0639 \u062e\u0627\u0635\u06cc \u0646\u06cc\u0633\u062a (\u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u060c isNotBoolean).<\/p>\n<p>  \u0646\u0635\u0628 \u0648 \u0631\u0627\u0647 \u0627\u0646\u062f\u0627\u0632\u06cc<\/p>\n<p>\u0628\u0631\u0627\u06cc \u0646\u0635\u0628 \u0628\u0633\u062a\u0647\u060c \u062f\u0633\u062a\u0648\u0631 \u0632\u06cc\u0631 \u0631\u0627 \u0627\u062c\u0631\u0627 \u06a9\u0646\u06cc\u062f:<\/p>\n<p>npm install type-guards-ts<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>  \u0646\u062d\u0648\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647<\/p>\n<p>\u0628\u0631\u0627\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u062d\u0627\u0641\u0638 \u0647\u0627\u06cc \u0646\u0648\u0639 \u0627\u0631\u0627\u0626\u0647 \u0634\u062f\u0647 \u062a\u0648\u0633\u0637 type-guards-ts\u060c \u062a\u0648\u0627\u0628\u0639 \u0645\u0648\u0631\u062f \u0646\u06cc\u0627\u0632 \u0631\u0627 \u0627\u0632 \u0628\u0633\u062a\u0647 \u0648\u0627\u0631\u062f \u06a9\u0631\u062f\u0647 \u0648 \u062f\u0631 \u06a9\u062f TypeScript \u062e\u0648\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/p>\n<p>import { isBoolean } from &#8220;type-guards-ts&#8221;;<\/p>\n<p>const value: unknown = true;<\/p>\n<p>if (isBoolean(value)) {<br \/>\n    \/\/ TypeScript now knows that `value` is a boolean<br \/>\n    console.log(&#8220;The value is a boolean.&#8221;);<br \/>\n} else {<br \/>\n    console.log(&#8220;The value is not a boolean.&#8221;);<br \/>\n}<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>  \u06af\u0627\u0631\u062f\u0647\u0627\u06cc \u0646\u0648\u0639 \u0645\u0648\u062c\u0648\u062f<\/p>\n<p>  is-type<\/p>\n<p>isBigInt<br \/>\nisBoolean<br \/>\nisFunction<br \/>\nisNull<br \/>\nisNumber<br \/>\nisObject<br \/>\nisString<br \/>\nisSymbol<br \/>\nisUndefined<\/p>\n<p>  is-not-type<\/p>\n<p>isNotBigInt<br \/>\nisNotBoolean<br \/>\nisNotFunction<br \/>\nisNotNull<br \/>\nisNotNumber<br \/>\nisNotObject<br \/>\nisNotString<br \/>\nisNotSymbol<br \/>\nisNotUndefined<\/p>\n<p>  \u0646\u062d\u0648\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u062d\u0627\u0641\u0638 \u0647\u0627\u06cc \u0646\u0648\u0639 \u06a9\u0644\u06cc\u062f<\/p>\n<p>  isNull<\/p>\n<p>\u0628\u0631\u0631\u0633\u06cc \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u0622\u06cc\u0627 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u06cc\u0627 \u062e\u06cc\u0631 null.<\/p>\n<p>import { isNull } from &#8220;type-guards-ts&#8221;;<\/p>\n<p>const value: unknown = null;<\/p>\n<p>if (isNull(value)) {<br \/>\n    console.log(&#8220;The value is null.&#8221;);<br \/>\n} else {<br \/>\n    console.log(&#8220;The value is not null.&#8221;);<br \/>\n}<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>  isNotNull<\/p>\n<p>\u0628\u0631\u0631\u0633\u06cc \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u0622\u06cc\u0627 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u0648\u062c\u0648\u062f \u0646\u062f\u0627\u0631\u062f null.<\/p>\n<p>import { isNotNull } from &#8220;type-guards-ts&#8221;;<\/p>\n<p>const value: unknown = &#8220;Some value&#8221;;<\/p>\n<p>if (isNotNull(value)) {<br \/>\n    console.log(&#8220;The value is not null.&#8221;);<br \/>\n} else {<br \/>\n    console.log(&#8220;The value is null.&#8221;);<br \/>\n}<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>  isString<\/p>\n<p>\u0628\u0631\u0631\u0633\u06cc \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u0622\u06cc\u0627 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 a \u0627\u0633\u062a \u06cc\u0627 \u062e\u06cc\u0631 string.<\/p>\n<p>import { isString } from &#8220;type-guards-ts&#8221;;<\/p>\n<p>const value: unknown = &#8220;Hello, world!&#8221;;<\/p>\n<p>if (isString(value)) {<br \/>\n    console.log(&#8220;The value is a string.&#8221;);<br \/>\n} else {<br \/>\n    console.log(&#8220;The value is not a string.&#8221;);<br \/>\n}<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>  isNotString<\/p>\n<p>\u0628\u0631\u0631\u0633\u06cc \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u0622\u06cc\u0627 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 a \u0646\u06cc\u0633\u062a string.<\/p>\n<p>import { isNotString } from &#8220;type-guards-ts&#8221;;<\/p>\n<p>const value: unknown = 42;<\/p>\n<p>if (isNotString(value)) {<br \/>\n    console.log(&#8220;The value is not a string.&#8221;);<br \/>\n} else {<br \/>\n    console.log(&#8220;The value is a string.&#8221;);<br \/>\n}<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>  isNumber<\/p>\n<p>\u0628\u0631\u0631\u0633\u06cc \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u0622\u06cc\u0627 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 a \u0627\u0633\u062a \u06cc\u0627 \u062e\u06cc\u0631 number.<\/p>\n<p>import { isNumber } from &#8220;type-guards-ts&#8221;;<\/p>\n<p>const value: unknown = 42;<\/p>\n<p>if (isNumber(value)) {<br \/>\n    console.log(&#8220;The value is a number.&#8221;);<br \/>\n} else {<br \/>\n    console.log(&#8220;The value is not a number.&#8221;);<br \/>\n}<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>  isNotNumber<\/p>\n<p>\u0628\u0631\u0631\u0633\u06cc \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u0622\u06cc\u0627 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 a \u0646\u06cc\u0633\u062a number.<\/p>\n<p>import { isNotNumber } from &#8220;type-guards-ts&#8221;;<\/p>\n<p>const value: unknown = &#8220;42&#8221;;<\/p>\n<p>if (isNotNumber(value)) {<br \/>\n    console.log(&#8220;The value is not a number.&#8221;);<br \/>\n} else {<br \/>\n    console.log(&#8220;The value is a number.&#8221;);<br \/>\n}<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>  \u0646\u062a\u06cc\u062c\u0647<\/p>\n<p>\u0645\u062d\u0627\u0641\u0638 \u0647\u0627\u06cc \u062a\u0627\u06cc\u067e \u062f\u0631 TypeScript \u0631\u0648\u0634\u06cc \u0642\u062f\u0631\u062a\u0645\u0646\u062f \u0628\u0631\u0627\u06cc \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u0627\u0632 \u0627\u06cc\u0645\u0646\u06cc \u0646\u0648\u0639 \u0648 \u0628\u0647\u0628\u0648\u062f \u0642\u0627\u0628\u0644\u06cc\u062a \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u06a9\u062f \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc \u062f\u0647\u0646\u062f.  \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 type-guards-ts\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0631\u0631\u0633\u06cc \u0647\u0627\u06cc \u0646\u0648\u0639 \u067e\u06cc\u0686\u06cc\u062f\u0647 \u0631\u0627 \u0628\u0647 \u0637\u0648\u0631 \u0645\u0648\u062b\u0631 \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u062f \u0648 \u0627\u0632 \u062f\u0627\u0645 \u0647\u0627\u06cc \u0631\u0627\u06cc\u062c \u0645\u0631\u062a\u0628\u0637 \u0628\u0627 \u0627\u0646\u0648\u0627\u0639 \u067e\u0648\u06cc\u0627 \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u06a9\u0646\u06cc\u062f.  \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0627\u06cc\u0646 \u062a\u06a9\u0646\u06cc\u06a9\u200c\u0647\u0627 \u0628\u0647 \u0634\u0645\u0627 \u06a9\u0645\u06a9 \u0645\u06cc\u200c\u06a9\u0646\u062f \u06a9\u062f \u062a\u0645\u06cc\u0632\u062a\u0631 \u0648 \u0642\u0627\u0628\u0644 \u0646\u06af\u0647\u062f\u0627\u0631\u06cc\u200c\u062a\u0631\u06cc \u0628\u0646\u0648\u06cc\u0633\u06cc\u062f \u0648 \u062f\u0631 \u0646\u0647\u0627\u06cc\u062a \u0628\u0647 \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0647\u0627\u06cc \u0642\u0648\u06cc\u200c\u062a\u0631 \u0645\u0646\u062c\u0631 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n<p>\ud83d\ude80 \u0628\u0631\u0627\u06cc \u0627\u0631\u062a\u0642\u0627\u06cc \u0645\u0647\u0627\u0631\u062a \u0647\u0627\u06cc TypeScript \u062e\u0648\u062f \u0622\u0645\u0627\u062f\u0647 \u0627\u06cc\u062f\u061f  \u0646\u0635\u0628 type-guards-ts \u0627\u0645\u0631\u0648\u0632 \u0648 \u0627\u0632 \u0628\u0631\u0631\u0633\u06cc \u0647\u0627\u06cc \u0627\u06cc\u0645\u0646 \u0646\u0648\u0639 \u062f\u0631 \u067e\u0631\u0648\u0698\u0647 \u0647\u0627\u06cc \u062e\u0648\u062f \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u062d\u0627\u0635\u0644 \u06a9\u0646\u06cc\u062f!<\/p>\n<p>  \u0628\u0647 \u06af\u0641\u062a\u06af\u0648 \u0628\u067e\u06cc\u0648\u0646\u062f\u06cc\u062f!<\/p>\n<p>\u0628\u0627 \u0686\u0647 \u0686\u0627\u0644\u0634\u200c\u0647\u0627\u06cc TypeScript \u0631\u0648\u0628\u0631\u0648 \u0628\u0648\u062f\u0647\u200c\u0627\u06cc\u062f \u06a9\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0627\u0632 \u0627\u06cc\u0645\u0646\u06cc \u062a\u0627\u06cc\u067e \u067e\u06cc\u0634\u0631\u0641\u062a\u0647 \u0628\u0647\u0631\u0647 \u0645\u0646\u062f \u0634\u0648\u062f\u061f  \u062a\u062c\u0631\u0628\u06cc\u0627\u062a \u062e\u0648\u062f \u0631\u0627 \u0628\u0647 \u0627\u0634\u062a\u0631\u0627\u06a9 \u0628\u06af\u0630\u0627\u0631\u06cc\u062f \u0648 \u0628\u0647 \u06af\u0641\u062a\u06af\u0648 \u0628\u067e\u06cc\u0648\u0646\u062f\u06cc\u062f! <\/p>\n<div data-article-id=\"1901878\" id=\"article-body\">\n<p>\u067e\u0633 \u0627\u0632 \u0645\u0648\u0641\u0642\u06cc\u062a \u0622\u062e\u0631\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0645\u0627 \u062f\u0631 \u0645\u0648\u0631\u062f \u062a\u0633\u0644\u0637 \u0628\u0631 \u0645\u062d\u0627\u0641\u0638 \u0647\u0627\u06cc \u0646\u0648\u0639\u060c \u062a\u0635\u0645\u06cc\u0645 \u06af\u0631\u0641\u062a\u0645 \u06cc\u06a9 \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647 NPM \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u0645 \u062a\u0627 \u0628\u0647 \u0633\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u0641\u0631\u0622\u06cc\u0646\u062f \u06a9\u0645\u06a9 \u06a9\u0646\u062f.  \u0645\u0639\u0631\u0641\u06cc \u06a9\u0631\u062f\u0646 <code>type-guards-ts<\/code>\u060c \u06cc\u06a9 \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647 \u062c\u0627\u0645\u0639 \u0637\u0631\u0627\u062d\u06cc \u0634\u062f\u0647 \u0628\u0631\u0627\u06cc \u0627\u0631\u062a\u0642\u0627\u06cc \u067e\u0631\u0648\u0698\u0647 \u0647\u0627\u06cc TypeScript \u0634\u0645\u0627 \u0628\u0627 \u062a\u06a9\u0646\u06cc\u06a9 \u0647\u0627\u06cc \u0645\u062d\u0627\u0641\u0638\u062a \u0627\u0632 \u0646\u0648\u0639 \u067e\u06cc\u0634\u0631\u0641\u062a\u0647!<\/p>\n<p>\u0628\u0631\u0627\u06cc \u062a\u0633\u0644\u0637 \u0628\u0631 \u0645\u062d\u0627\u0641\u0638 \u0647\u0627\u06cc \u0646\u0648\u0639 TypeScript \u0622\u0645\u0627\u062f\u0647 \u0647\u0633\u062a\u06cc\u062f\u061f  \u0628\u0631\u0627\u06cc \u06cc\u0627\u062f\u06af\u06cc\u0631\u06cc \u0646\u062d\u0648\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0634\u06cc\u0631\u062c\u0647 \u0628\u0632\u0646\u06cc\u062f <code>type-guards-ts<\/code> \u0648 \u06a9\u062f \u062e\u0648\u062f \u0631\u0627 \u0642\u0648\u06cc \u062a\u0631 \u0648 \u0627\u06cc\u0645\u0646 \u062a\u0631 \u06a9\u0646\u06cc\u062f.<\/p>\n<p>\ud83d\udd17 \u0628\u0633\u062a\u0647: https:\/\/www.npmjs.com\/package\/type-guards-ts<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter-rtl ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u0641\u0647\u0631\u0633\u062a \u0645\u0637\u0627\u0644\u0628<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<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:\/\/nabfollower.com\/blog\/elevate-your-typescript-skills-with-type-guards-ts-36k7\/#%D8%AA%D8%B3%D9%84%D8%B7_%D8%A8%D8%B1_%DA%AF%D8%A7%D8%B1%D8%AF%D9%87%D8%A7%DB%8C_%D9%86%D9%88%D8%B9_%D8%A8%D8%A7_type-guards-ts\" >\u062a\u0633\u0644\u0637 \u0628\u0631 \u06af\u0627\u0631\u062f\u0647\u0627\u06cc \u0646\u0648\u0639 \u0628\u0627 type-guards-ts<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/nabfollower.com\/blog\/elevate-your-typescript-skills-with-type-guards-ts-36k7\/#%D8%B4%D8%B1%D8%AD\" >\u0634\u0631\u062d<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/nabfollower.com\/blog\/elevate-your-typescript-skills-with-type-guards-ts-36k7\/#%D9%86%D8%B5%D8%A8_%D9%88_%D8%B1%D8%A7%D9%87_%D8%A7%D9%86%D8%AF%D8%A7%D8%B2%DB%8C\" >\u0646\u0635\u0628 \u0648 \u0631\u0627\u0647 \u0627\u0646\u062f\u0627\u0632\u06cc<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/nabfollower.com\/blog\/elevate-your-typescript-skills-with-type-guards-ts-36k7\/#%D9%86%D8%AD%D9%88%D9%87_%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87\" >\u0646\u062d\u0648\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/nabfollower.com\/blog\/elevate-your-typescript-skills-with-type-guards-ts-36k7\/#%DA%AF%D8%A7%D8%B1%D8%AF%D9%87%D8%A7%DB%8C_%D9%86%D9%88%D8%B9_%D9%85%D9%88%D8%AC%D9%88%D8%AF\" >\u06af\u0627\u0631\u062f\u0647\u0627\u06cc \u0646\u0648\u0639 \u0645\u0648\u062c\u0648\u062f<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/nabfollower.com\/blog\/elevate-your-typescript-skills-with-type-guards-ts-36k7\/#is-type\" >is-type<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/nabfollower.com\/blog\/elevate-your-typescript-skills-with-type-guards-ts-36k7\/#is-not-type\" >is-not-type<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/nabfollower.com\/blog\/elevate-your-typescript-skills-with-type-guards-ts-36k7\/#%D9%86%D8%AD%D9%88%D9%87_%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%D8%A7%D8%B2_%D9%85%D8%AD%D8%A7%D9%81%D8%B8_%D9%87%D8%A7%DB%8C_%D9%86%D9%88%D8%B9_%DA%A9%D9%84%DB%8C%D8%AF\" >\u0646\u062d\u0648\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u062d\u0627\u0641\u0638 \u0647\u0627\u06cc \u0646\u0648\u0639 \u06a9\u0644\u06cc\u062f<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/nabfollower.com\/blog\/elevate-your-typescript-skills-with-type-guards-ts-36k7\/#isNull\" >isNull<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/nabfollower.com\/blog\/elevate-your-typescript-skills-with-type-guards-ts-36k7\/#isNotNull\" >isNotNull<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/nabfollower.com\/blog\/elevate-your-typescript-skills-with-type-guards-ts-36k7\/#isString\" >isString<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/nabfollower.com\/blog\/elevate-your-typescript-skills-with-type-guards-ts-36k7\/#isNotString\" >isNotString<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/nabfollower.com\/blog\/elevate-your-typescript-skills-with-type-guards-ts-36k7\/#isNumber\" >isNumber<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/nabfollower.com\/blog\/elevate-your-typescript-skills-with-type-guards-ts-36k7\/#isNotNumber\" >isNotNumber<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/nabfollower.com\/blog\/elevate-your-typescript-skills-with-type-guards-ts-36k7\/#%D9%86%D8%AA%DB%8C%D8%AC%D9%87\" >\u0646\u062a\u06cc\u062c\u0647<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/nabfollower.com\/blog\/elevate-your-typescript-skills-with-type-guards-ts-36k7\/#%D8%A8%D9%87_%DA%AF%D9%81%D8%AA%DA%AF%D9%88_%D8%A8%D9%BE%DB%8C%D9%88%D9%86%D8%AF%DB%8C%D8%AF\" >\u0628\u0647 \u06af\u0641\u062a\u06af\u0648 \u0628\u067e\u06cc\u0648\u0646\u062f\u06cc\u062f!<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"%D8%AA%D8%B3%D9%84%D8%B7_%D8%A8%D8%B1_%DA%AF%D8%A7%D8%B1%D8%AF%D9%87%D8%A7%DB%8C_%D9%86%D9%88%D8%B9_%D8%A8%D8%A7_type-guards-ts\"><\/span>\n<p>  \u062a\u0633\u0644\u0637 \u0628\u0631 \u06af\u0627\u0631\u062f\u0647\u0627\u06cc \u0646\u0648\u0639 \u0628\u0627 <code>type-guards-ts<\/code><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"%D8%B4%D8%B1%D8%AD\"><\/span>\n<p>  \u0634\u0631\u062d<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><code>type-guards-ts<\/code>  \u06cc\u06a9 \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647 \u0642\u062f\u0631\u062a\u0645\u0646\u062f TypeScript \u0627\u0633\u062a \u06a9\u0647 \u0645\u062c\u0645\u0648\u0639\u0647 \u0627\u06cc \u0627\u0632 \u062a\u0648\u0627\u0628\u0639 \u0645\u062d\u0627\u0641\u0638 \u0646\u0648\u0639 \u0631\u0627 \u0628\u0631\u0627\u06cc \u06a9\u0645\u06a9 \u0628\u0647 \u0634\u0645\u0627 \u062f\u0631 \u0627\u0646\u062c\u0627\u0645 \u0628\u0631\u0631\u0633\u06cc \u0646\u0648\u0639 \u0632\u0645\u0627\u0646 \u0627\u062c\u0631\u0627 \u0648 \u0628\u0627\u0631\u06cc\u06a9 \u06a9\u0631\u062f\u0646 \u0646\u0648\u0639 \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc \u062f\u0647\u062f.  \u0627\u06cc\u0646 \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647 \u0634\u0627\u0645\u0644 \u062a\u0648\u0627\u0628\u0639\u06cc \u0628\u0631\u0627\u06cc \u0628\u0631\u0631\u0633\u06cc \u0627\u06cc\u0646\u06a9\u0647 \u0622\u06cc\u0627 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u0627\u0632 \u0646\u0648\u0639 \u062e\u0627\u0635\u06cc \u0627\u0633\u062a (\u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u060c <code>isBoolean<\/code>) \u0648 \u062a\u0648\u0627\u0628\u0639 \u0628\u0631\u0627\u06cc \u0628\u0631\u0631\u0633\u06cc \u0627\u06cc\u0646\u06a9\u0647 \u0622\u06cc\u0627 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u0627\u0632 \u0646\u0648\u0639 \u062e\u0627\u0635\u06cc \u0646\u06cc\u0633\u062a (\u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u060c <code>isNotBoolean<\/code>).<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%D9%86%D8%B5%D8%A8_%D9%88_%D8%B1%D8%A7%D9%87_%D8%A7%D9%86%D8%AF%D8%A7%D8%B2%DB%8C\"><\/span>\n<p>  \u0646\u0635\u0628 \u0648 \u0631\u0627\u0647 \u0627\u0646\u062f\u0627\u0632\u06cc<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0628\u0631\u0627\u06cc \u0646\u0635\u0628 \u0628\u0633\u062a\u0647\u060c \u062f\u0633\u062a\u0648\u0631 \u0632\u06cc\u0631 \u0631\u0627 \u0627\u062c\u0631\u0627 \u06a9\u0646\u06cc\u062f:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight shell\"><code>npm <span class=\"nb\">install <\/span>type-guards-ts\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<h3><span class=\"ez-toc-section\" id=\"%D9%86%D8%AD%D9%88%D9%87_%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87\"><\/span>\n<p>  \u0646\u062d\u0648\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0628\u0631\u0627\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u062d\u0627\u0641\u0638 \u0647\u0627\u06cc \u0646\u0648\u0639 \u0627\u0631\u0627\u0626\u0647 \u0634\u062f\u0647 \u062a\u0648\u0633\u0637 <code>type-guards-ts<\/code>\u060c \u062a\u0648\u0627\u0628\u0639 \u0645\u0648\u0631\u062f \u0646\u06cc\u0627\u0632 \u0631\u0627 \u0627\u0632 \u0628\u0633\u062a\u0647 \u0648\u0627\u0631\u062f \u06a9\u0631\u062f\u0647 \u0648 \u062f\u0631 \u06a9\u062f TypeScript \u062e\u0648\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight typescript\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">isBoolean<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">type-guards-ts<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\n\n<span class=\"kd\">const<\/span> <span class=\"nx\">value<\/span><span class=\"p\">:<\/span> <span class=\"nx\">unknown<\/span> <span class=\"o\">=<\/span> <span class=\"kc\">true<\/span><span class=\"p\">;<\/span>\n\n<span class=\"k\">if <\/span><span class=\"p\">(<\/span><span class=\"nf\">isBoolean<\/span><span class=\"p\">(<\/span><span class=\"nx\">value<\/span><span class=\"p\">))<\/span> <span class=\"p\">{<\/span>\n    <span class=\"c1\">\/\/ TypeScript now knows that `value` is a boolean<\/span>\n    <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">The value is a boolean.<\/span><span class=\"dl\">\"<\/span><span class=\"p\">);<\/span>\n<span class=\"p\">}<\/span> <span class=\"k\">else<\/span> <span class=\"p\">{<\/span>\n    <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">The value is not a boolean.<\/span><span class=\"dl\">\"<\/span><span class=\"p\">);<\/span>\n<span class=\"p\">}<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<h3><span class=\"ez-toc-section\" id=\"%DA%AF%D8%A7%D8%B1%D8%AF%D9%87%D8%A7%DB%8C_%D9%86%D9%88%D8%B9_%D9%85%D9%88%D8%AC%D9%88%D8%AF\"><\/span>\n<p>  \u06af\u0627\u0631\u062f\u0647\u0627\u06cc \u0646\u0648\u0639 \u0645\u0648\u062c\u0648\u062f<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h4><span class=\"ez-toc-section\" id=\"is-type\"><\/span>\n<p>  <code>is-type<\/code><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li><code>isBigInt<\/code><\/li>\n<li><code>isBoolean<\/code><\/li>\n<li><code>isFunction<\/code><\/li>\n<li><code>isNull<\/code><\/li>\n<li><code>isNumber<\/code><\/li>\n<li><code>isObject<\/code><\/li>\n<li><code>isString<\/code><\/li>\n<li><code>isSymbol<\/code><\/li>\n<li><code>isUndefined<\/code><\/li>\n<\/ul>\n<h4><span class=\"ez-toc-section\" id=\"is-not-type\"><\/span>\n<p>  <code>is-not-type<\/code><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li><code>isNotBigInt<\/code><\/li>\n<li><code>isNotBoolean<\/code><\/li>\n<li><code>isNotFunction<\/code><\/li>\n<li><code>isNotNull<\/code><\/li>\n<li><code>isNotNumber<\/code><\/li>\n<li><code>isNotObject<\/code><\/li>\n<li><code>isNotString<\/code><\/li>\n<li><code>isNotSymbol<\/code><\/li>\n<li><code>isNotUndefined<\/code><\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"%D9%86%D8%AD%D9%88%D9%87_%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%D8%A7%D8%B2_%D9%85%D8%AD%D8%A7%D9%81%D8%B8_%D9%87%D8%A7%DB%8C_%D9%86%D9%88%D8%B9_%DA%A9%D9%84%DB%8C%D8%AF\"><\/span>\n<p>  \u0646\u062d\u0648\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u062d\u0627\u0641\u0638 \u0647\u0627\u06cc \u0646\u0648\u0639 \u06a9\u0644\u06cc\u062f<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h4><span class=\"ez-toc-section\" id=\"isNull\"><\/span>\n<p>  <code>isNull<\/code><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u0628\u0631\u0631\u0633\u06cc \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u0622\u06cc\u0627 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u06cc\u0627 \u062e\u06cc\u0631 <code>null<\/code>.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight typescript\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">isNull<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">type-guards-ts<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\n\n<span class=\"kd\">const<\/span> <span class=\"nx\">value<\/span><span class=\"p\">:<\/span> <span class=\"nx\">unknown<\/span> <span class=\"o\">=<\/span> <span class=\"kc\">null<\/span><span class=\"p\">;<\/span>\n\n<span class=\"k\">if <\/span><span class=\"p\">(<\/span><span class=\"nf\">isNull<\/span><span class=\"p\">(<\/span><span class=\"nx\">value<\/span><span class=\"p\">))<\/span> <span class=\"p\">{<\/span>\n    <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">The value is null.<\/span><span class=\"dl\">\"<\/span><span class=\"p\">);<\/span>\n<span class=\"p\">}<\/span> <span class=\"k\">else<\/span> <span class=\"p\">{<\/span>\n    <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">The value is not null.<\/span><span class=\"dl\">\"<\/span><span class=\"p\">);<\/span>\n<span class=\"p\">}<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<h4><span class=\"ez-toc-section\" id=\"isNotNull\"><\/span>\n<p>  <code>isNotNull<\/code><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u0628\u0631\u0631\u0633\u06cc \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u0622\u06cc\u0627 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u0648\u062c\u0648\u062f \u0646\u062f\u0627\u0631\u062f <code>null<\/code>.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight typescript\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">isNotNull<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">type-guards-ts<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\n\n<span class=\"kd\">const<\/span> <span class=\"nx\">value<\/span><span class=\"p\">:<\/span> <span class=\"nx\">unknown<\/span> <span class=\"o\">=<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">Some value<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\n\n<span class=\"k\">if <\/span><span class=\"p\">(<\/span><span class=\"nf\">isNotNull<\/span><span class=\"p\">(<\/span><span class=\"nx\">value<\/span><span class=\"p\">))<\/span> <span class=\"p\">{<\/span>\n    <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">The value is not null.<\/span><span class=\"dl\">\"<\/span><span class=\"p\">);<\/span>\n<span class=\"p\">}<\/span> <span class=\"k\">else<\/span> <span class=\"p\">{<\/span>\n    <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">The value is null.<\/span><span class=\"dl\">\"<\/span><span class=\"p\">);<\/span>\n<span class=\"p\">}<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<h4><span class=\"ez-toc-section\" id=\"isString\"><\/span>\n<p>  <code>isString<\/code><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u0628\u0631\u0631\u0633\u06cc \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u0622\u06cc\u0627 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 a \u0627\u0633\u062a \u06cc\u0627 \u062e\u06cc\u0631 <code>string<\/code>.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight typescript\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">isString<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">type-guards-ts<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\n\n<span class=\"kd\">const<\/span> <span class=\"nx\">value<\/span><span class=\"p\">:<\/span> <span class=\"nx\">unknown<\/span> <span class=\"o\">=<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">Hello, world!<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\n\n<span class=\"k\">if <\/span><span class=\"p\">(<\/span><span class=\"nf\">isString<\/span><span class=\"p\">(<\/span><span class=\"nx\">value<\/span><span class=\"p\">))<\/span> <span class=\"p\">{<\/span>\n    <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">The value is a string.<\/span><span class=\"dl\">\"<\/span><span class=\"p\">);<\/span>\n<span class=\"p\">}<\/span> <span class=\"k\">else<\/span> <span class=\"p\">{<\/span>\n    <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">The value is not a string.<\/span><span class=\"dl\">\"<\/span><span class=\"p\">);<\/span>\n<span class=\"p\">}<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<h4><span class=\"ez-toc-section\" id=\"isNotString\"><\/span>\n<p>  <code>isNotString<\/code><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u0628\u0631\u0631\u0633\u06cc \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u0622\u06cc\u0627 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 a \u0646\u06cc\u0633\u062a <code>string<\/code>.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight typescript\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">isNotString<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">type-guards-ts<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\n\n<span class=\"kd\">const<\/span> <span class=\"nx\">value<\/span><span class=\"p\">:<\/span> <span class=\"nx\">unknown<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">42<\/span><span class=\"p\">;<\/span>\n\n<span class=\"k\">if <\/span><span class=\"p\">(<\/span><span class=\"nf\">isNotString<\/span><span class=\"p\">(<\/span><span class=\"nx\">value<\/span><span class=\"p\">))<\/span> <span class=\"p\">{<\/span>\n    <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">The value is not a string.<\/span><span class=\"dl\">\"<\/span><span class=\"p\">);<\/span>\n<span class=\"p\">}<\/span> <span class=\"k\">else<\/span> <span class=\"p\">{<\/span>\n    <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">The value is a string.<\/span><span class=\"dl\">\"<\/span><span class=\"p\">);<\/span>\n<span class=\"p\">}<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<h4><span class=\"ez-toc-section\" id=\"isNumber\"><\/span>\n<p>  <code>isNumber<\/code><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u0628\u0631\u0631\u0633\u06cc \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u0622\u06cc\u0627 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 a \u0627\u0633\u062a \u06cc\u0627 \u062e\u06cc\u0631 <code>number<\/code>.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight typescript\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">isNumber<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">type-guards-ts<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\n\n<span class=\"kd\">const<\/span> <span class=\"nx\">value<\/span><span class=\"p\">:<\/span> <span class=\"nx\">unknown<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">42<\/span><span class=\"p\">;<\/span>\n\n<span class=\"k\">if <\/span><span class=\"p\">(<\/span><span class=\"nf\">isNumber<\/span><span class=\"p\">(<\/span><span class=\"nx\">value<\/span><span class=\"p\">))<\/span> <span class=\"p\">{<\/span>\n    <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">The value is a number.<\/span><span class=\"dl\">\"<\/span><span class=\"p\">);<\/span>\n<span class=\"p\">}<\/span> <span class=\"k\">else<\/span> <span class=\"p\">{<\/span>\n    <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">The value is not a number.<\/span><span class=\"dl\">\"<\/span><span class=\"p\">);<\/span>\n<span class=\"p\">}<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<h4><span class=\"ez-toc-section\" id=\"isNotNumber\"><\/span>\n<p>  <code>isNotNumber<\/code><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u0628\u0631\u0631\u0633\u06cc \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u0622\u06cc\u0627 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 a \u0646\u06cc\u0633\u062a <code>number<\/code>.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight typescript\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">isNotNumber<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">type-guards-ts<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\n\n<span class=\"kd\">const<\/span> <span class=\"nx\">value<\/span><span class=\"p\">:<\/span> <span class=\"nx\">unknown<\/span> <span class=\"o\">=<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">42<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\n\n<span class=\"k\">if <\/span><span class=\"p\">(<\/span><span class=\"nf\">isNotNumber<\/span><span class=\"p\">(<\/span><span class=\"nx\">value<\/span><span class=\"p\">))<\/span> <span class=\"p\">{<\/span>\n    <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">The value is not a number.<\/span><span class=\"dl\">\"<\/span><span class=\"p\">);<\/span>\n<span class=\"p\">}<\/span> <span class=\"k\">else<\/span> <span class=\"p\">{<\/span>\n    <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">The value is a number.<\/span><span class=\"dl\">\"<\/span><span class=\"p\">);<\/span>\n<span class=\"p\">}<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<h3><span class=\"ez-toc-section\" id=\"%D9%86%D8%AA%DB%8C%D8%AC%D9%87\"><\/span>\n<p>  \u0646\u062a\u06cc\u062c\u0647<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0645\u062d\u0627\u0641\u0638 \u0647\u0627\u06cc \u062a\u0627\u06cc\u067e \u062f\u0631 TypeScript \u0631\u0648\u0634\u06cc \u0642\u062f\u0631\u062a\u0645\u0646\u062f \u0628\u0631\u0627\u06cc \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u0627\u0632 \u0627\u06cc\u0645\u0646\u06cc \u0646\u0648\u0639 \u0648 \u0628\u0647\u0628\u0648\u062f \u0642\u0627\u0628\u0644\u06cc\u062a \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u06a9\u062f \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc \u062f\u0647\u0646\u062f.  \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 <code>type-guards-ts<\/code>\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0631\u0631\u0633\u06cc \u0647\u0627\u06cc \u0646\u0648\u0639 \u067e\u06cc\u0686\u06cc\u062f\u0647 \u0631\u0627 \u0628\u0647 \u0637\u0648\u0631 \u0645\u0648\u062b\u0631 \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u062f \u0648 \u0627\u0632 \u062f\u0627\u0645 \u0647\u0627\u06cc \u0631\u0627\u06cc\u062c \u0645\u0631\u062a\u0628\u0637 \u0628\u0627 \u0627\u0646\u0648\u0627\u0639 \u067e\u0648\u06cc\u0627 \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u06a9\u0646\u06cc\u062f.  \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0627\u06cc\u0646 \u062a\u06a9\u0646\u06cc\u06a9\u200c\u0647\u0627 \u0628\u0647 \u0634\u0645\u0627 \u06a9\u0645\u06a9 \u0645\u06cc\u200c\u06a9\u0646\u062f \u06a9\u062f \u062a\u0645\u06cc\u0632\u062a\u0631 \u0648 \u0642\u0627\u0628\u0644 \u0646\u06af\u0647\u062f\u0627\u0631\u06cc\u200c\u062a\u0631\u06cc \u0628\u0646\u0648\u06cc\u0633\u06cc\u062f \u0648 \u062f\u0631 \u0646\u0647\u0627\u06cc\u062a \u0628\u0647 \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0647\u0627\u06cc \u0642\u0648\u06cc\u200c\u062a\u0631 \u0645\u0646\u062c\u0631 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n<hr\/>\n<p>\ud83d\ude80 <strong>\u0628\u0631\u0627\u06cc \u0627\u0631\u062a\u0642\u0627\u06cc \u0645\u0647\u0627\u0631\u062a \u0647\u0627\u06cc TypeScript \u062e\u0648\u062f \u0622\u0645\u0627\u062f\u0647 \u0627\u06cc\u062f\u061f  \u0646\u0635\u0628 <code>type-guards-ts<\/code> \u0627\u0645\u0631\u0648\u0632 \u0648 \u0627\u0632 \u0628\u0631\u0631\u0633\u06cc \u0647\u0627\u06cc \u0627\u06cc\u0645\u0646 \u0646\u0648\u0639 \u062f\u0631 \u067e\u0631\u0648\u0698\u0647 \u0647\u0627\u06cc \u062e\u0648\u062f \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u062d\u0627\u0635\u0644 \u06a9\u0646\u06cc\u062f!<\/strong><\/p>\n<h3><span class=\"ez-toc-section\" id=\"%D8%A8%D9%87_%DA%AF%D9%81%D8%AA%DA%AF%D9%88_%D8%A8%D9%BE%DB%8C%D9%88%D9%86%D8%AF%DB%8C%D8%AF\"><\/span>\n<p>  \u0628\u0647 \u06af\u0641\u062a\u06af\u0648 \u0628\u067e\u06cc\u0648\u0646\u062f\u06cc\u062f!<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0628\u0627 \u0686\u0647 \u0686\u0627\u0644\u0634\u200c\u0647\u0627\u06cc TypeScript \u0631\u0648\u0628\u0631\u0648 \u0628\u0648\u062f\u0647\u200c\u0627\u06cc\u062f \u06a9\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0627\u0632 \u0627\u06cc\u0645\u0646\u06cc \u062a\u0627\u06cc\u067e \u067e\u06cc\u0634\u0631\u0641\u062a\u0647 \u0628\u0647\u0631\u0647 \u0645\u0646\u062f \u0634\u0648\u062f\u061f  \u062a\u062c\u0631\u0628\u06cc\u0627\u062a \u062e\u0648\u062f \u0631\u0627 \u0628\u0647 \u0627\u0634\u062a\u0631\u0627\u06a9 \u0628\u06af\u0630\u0627\u0631\u06cc\u062f \u0648 \u0628\u0647 \u06af\u0641\u062a\u06af\u0648 \u0628\u067e\u06cc\u0648\u0646\u062f\u06cc\u062f! <\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Summarize this content to 400 words in Persian Lang \u067e\u0633 \u0627\u0632 \u0645\u0648\u0641\u0642\u06cc\u062a \u0622\u062e\u0631\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0645\u0627 \u062f\u0631 \u0645\u0648\u0631\u062f \u062a\u0633\u0644\u0637 \u0628\u0631 \u0645\u062d\u0627\u0641\u0638 \u0647\u0627\u06cc \u0646\u0648\u0639\u060c \u062a\u0635\u0645\u06cc\u0645 \u06af\u0631\u0641\u062a\u0645 \u06cc\u06a9 \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647 NPM \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u0645 \u062a\u0627 \u0628\u0647 \u0633\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u0641\u0631\u0622\u06cc\u0646\u062f \u06a9\u0645\u06a9 \u06a9\u0646\u062f. \u0645\u0639\u0631\u0641\u06cc \u06a9\u0631\u062f\u0646 type-guards-ts\u060c \u06cc\u06a9 \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647 \u062c\u0627\u0645\u0639 \u0637\u0631\u0627\u062d\u06cc \u0634\u062f\u0647 \u0628\u0631\u0627\u06cc \u0627\u0631\u062a\u0642\u0627\u06cc \u067e\u0631\u0648\u0698\u0647 \u0647\u0627\u06cc TypeScript \u0634\u0645\u0627 \u0628\u0627 \u062a\u06a9\u0646\u06cc\u06a9 \u0647\u0627\u06cc \u0645\u062d\u0627\u0641\u0638\u062a \u0627\u0632 &hellip;<\/p>\n","protected":false},"author":2,"featured_media":67596,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[339],"tags":[],"class_list":["post-67595","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dev"],"_links":{"self":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/67595","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/comments?post=67595"}],"version-history":[{"count":0,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/67595\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media\/67596"}],"wp:attachment":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media?parent=67595"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/categories?post=67595"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/tags?post=67595"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}