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Tooling & Configuration

Strict Mode

strict: true
💡 Strict, mode, EK, "STRICT, TEACHER" jaisa, hai — HAR, POSSIBLE, mistake, ko, POINT, out, karta, hai, jabki, "LENIENT" mode, MANY, POTENTIAL, PROBLEMS, ko, IGNORE, kar, deta, hai.

strict: true, MULTIPLE, STRICTNESS, flags, ko, EK, saath, ENABLE, karta hai — strictNullChecks (null/undefined, ko, EXPLICITLY, HANDLE, karna, PADТA, hai), noImplicitAny (implicit, any, types, ERROR, DETE, HAIN), aur, MORE.

Naye, projects, mein, strict: true, se, SHURU, karna, STRONGLY, RECOMMENDED, hai — BAAD, mein, EK, LOOSE, codebase, ko, STRICT, banaна, MUCH, HARDER, hota, hai.

{
  "compilerOptions": {
    "strict": true
    // Equivalent to:
    // "strictNullChecks": true,
    // "noImplicitAny": true,
    // "strictFunctionTypes": true,
    // ... aur, kai, aur
  }
}
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Strict, mode, EK, "STRICT, TEACHER" jaisa, hai — HAR, POSSIBLE, mistake, ko, POINT, out, karta, hai, jabki, "LENIENT" mode, MANY, POTENTIAL, PROBLEMS, ko, IGNORE, kar, deta, hai.
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⚡ झट से Recap
  • strict: true = MULTIPLE, strictness, flags, ek, saath, enable, karta, hai
  • strictNullChecks, noImplicitAny, JAISE, flags, INCLUDE, hote, hain
  • Naye projects, mein, SHURU, se, hi, strict, mode, use, karna, RECOMMENDED, hai
इस page में (2 subtopics)

noUncheckedIndexedAccess, (strict, ka, HISSA, NAHI, hai, LEKIN, RECOMMENDED, hai) ARRAY, INDEXING, ko, T | undefined, RETURN, karvaта, hai — REAL-WORLD, mein, EK, ARRAY, INDEX, OUT-OF-BOUNDS, ho, sakta, hai, YE, ISE, TYPE-SAFE, banaта, hai.

const arr: number[] = [1, 2, 3];
const item = arr[10];   // number | undefined, agar, noUncheckedIndexedAccess, ON, hai

EXISTING, LOOSE, codebase, ko, strict, banaне, ka, EK, COMMON, WAY, hai — INDIVIDUAL, strict, flags, ko, EK-EK, karke, ENABLE, karna (jaise, PEHLE, noImplicitAny, PHIR, strictNullChecks), POORA, strict: true, EK, saath, ENABLE, karne, ki, JAGAH.

💡Tip: strict, flags, INDIVIDUALLY, ENABLE, karna, EK, GRADUAL, MIGRATION, deta hai — HAR, flag, ko, ENABLE, karके, RESULTING, errors, ko, FIX, karke, PHIR, AGLA, flag, ENABLE, karo.