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Top 10 Examples of "is in functional component" in JavaScript

Dive into secure and efficient coding practices with our curated list of the top 10 examples showcasing 'is' in functional components in JavaScript. Our advanced machine learning engine meticulously scans each line of code, cross-referencing millions of open source libraries to ensure your implementation is not just functional, but also robust and secure. Elevate your React applications to new heights by mastering the art of handling side effects, API calls, and asynchronous operations with confidence and precision.

it('exports all types', function() {
    // Ordering as per firestore.d.ts
    assert.ok(is.defined(Firestore.Firestore));
    assert.equal(Firestore.Firestore.name, 'Firestore');
    assert.ok(is.defined(Firestore.Timestamp));
    assert.equal(Firestore.Timestamp.name, 'Timestamp');
    assert.ok(is.defined(Firestore.GeoPoint));
    assert.equal(Firestore.GeoPoint.name, 'GeoPoint');
    assert.ok(is.defined(Firestore.Transaction));
    assert.equal(Firestore.Transaction.name, 'Transaction');
    assert.ok(is.defined(Firestore.WriteBatch));
    assert.equal(Firestore.WriteBatch.name, 'WriteBatch');
    assert.ok(is.defined(Firestore.DocumentReference));
    assert.equal(Firestore.DocumentReference.name, 'DocumentReference');
    assert.ok(is.defined(Firestore.WriteResult));
    assert.equal(Firestore.WriteResult.name, 'WriteResult');
    assert.ok(is.defined(Firestore.DocumentSnapshot));
    assert.equal(Firestore.DocumentSnapshot.name, 'DocumentSnapshot');
    assert.ok(is.defined(Firestore.QueryDocumentSnapshot));
    assert.equal(Firestore.QueryDocumentSnapshot.name, 'QueryDocumentSnapshot');
    assert.ok(is.defined(Firestore.Query));
    assert.equal(Firestore.Query.name, 'Query');
    assert.ok(is.defined(Firestore.QuerySnapshot));
    assert.equal(Firestore.QuerySnapshot.name, 'QuerySnapshot');
    assert.ok(is.defined(Firestore.CollectionReference));
    assert.equal(Firestore.CollectionReference.name, 'CollectionReference');
    assert.ok(is.defined(Firestore.FieldValue));
it('exports all types', function() {
    // Ordering as per firestore.d.ts
    assert.ok(is.defined(Firestore.Firestore));
    assert.equal(Firestore.Firestore.name, 'Firestore');
    assert.ok(is.defined(Firestore.Timestamp));
    assert.equal(Firestore.Timestamp.name, 'Timestamp');
    assert.ok(is.defined(Firestore.GeoPoint));
    assert.equal(Firestore.GeoPoint.name, 'GeoPoint');
    assert.ok(is.defined(Firestore.Transaction));
    assert.equal(Firestore.Transaction.name, 'Transaction');
    assert.ok(is.defined(Firestore.WriteBatch));
    assert.equal(Firestore.WriteBatch.name, 'WriteBatch');
    assert.ok(is.defined(Firestore.DocumentReference));
    assert.equal(Firestore.DocumentReference.name, 'DocumentReference');
    assert.ok(is.defined(Firestore.WriteResult));
    assert.equal(Firestore.WriteResult.name, 'WriteResult');
    assert.ok(is.defined(Firestore.DocumentSnapshot));
    assert.equal(Firestore.DocumentSnapshot.name, 'DocumentSnapshot');
    assert.ok(is.defined(Firestore.QueryDocumentSnapshot));
it('exports all types', function() {
    // Ordering as per firestore.d.ts
    assert.ok(is.defined(Firestore.Firestore));
    assert.equal(Firestore.Firestore.name, 'Firestore');
    assert.ok(is.defined(Firestore.Timestamp));
    assert.equal(Firestore.Timestamp.name, 'Timestamp');
    assert.ok(is.defined(Firestore.GeoPoint));
    assert.equal(Firestore.GeoPoint.name, 'GeoPoint');
    assert.ok(is.defined(Firestore.Transaction));
    assert.equal(Firestore.Transaction.name, 'Transaction');
    assert.ok(is.defined(Firestore.WriteBatch));
    assert.equal(Firestore.WriteBatch.name, 'WriteBatch');
    assert.ok(is.defined(Firestore.DocumentReference));
    assert.equal(Firestore.DocumentReference.name, 'DocumentReference');
    assert.ok(is.defined(Firestore.WriteResult));
    assert.equal(Firestore.WriteResult.name, 'WriteResult');
    assert.ok(is.defined(Firestore.DocumentSnapshot));
    assert.equal(Firestore.DocumentSnapshot.name, 'DocumentSnapshot');
    assert.ok(is.defined(Firestore.QueryDocumentSnapshot));
    assert.equal(Firestore.QueryDocumentSnapshot.name, 'QueryDocumentSnapshot');
    assert.ok(is.defined(Firestore.Query));
    assert.equal(Firestore.Query.name, 'Query');
    assert.ok(is.defined(Firestore.QuerySnapshot));
    assert.equal(Firestore.QuerySnapshot.name, 'QuerySnapshot');
    assert.ok(is.defined(Firestore.CollectionReference));
    assert.equal(Firestore.CollectionReference.name, 'CollectionReference');
    assert.ok(is.defined(Firestore.FieldValue));
    assert.equal(Firestore.FieldValue.name, 'FieldValue');
    assert.ok(is.defined(Firestore.FieldPath));
    assert.equal(Firestore.Firestore.name, 'Firestore');
    assert.ok(!Firestore.FieldValue.serverTimestamp().isEqual(
if (options != null) {
      if (typeof options === 'string') {
          options = options.split('');
      }
      // Extend the base object
      for (name in options) {
        src = target[name];
        copy = options[name];

        // Prevent never-ending loop
        if (target === copy) {
          continue;
        }

        // Recurse if we're merging plain objects or arrays
        if (deep && copy && (is.hash(copy) || (copy_is_array = is.array(copy)))) {
          if (copy_is_array) {
            copy_is_array = false;
            clone = src && is.array(src) ? src : [];
          } else {
            clone = src && is.hash(src) ? src : {};
          }

          // Never move original objects, clone them
          target[name] = extend(deep, clone, copy);

        // Don't bring in undefined values
        } else if (typeof copy !== 'undefined') {
          target[name] = copy;
        }
      }
    }
// Ordering as per firestore.d.ts
    assert.ok(is.defined(Firestore.Firestore));
    assert.equal(Firestore.Firestore.name, 'Firestore');
    assert.ok(is.defined(Firestore.Timestamp));
    assert.equal(Firestore.Timestamp.name, 'Timestamp');
    assert.ok(is.defined(Firestore.GeoPoint));
    assert.equal(Firestore.GeoPoint.name, 'GeoPoint');
    assert.ok(is.defined(Firestore.Transaction));
    assert.equal(Firestore.Transaction.name, 'Transaction');
    assert.ok(is.defined(Firestore.WriteBatch));
    assert.equal(Firestore.WriteBatch.name, 'WriteBatch');
    assert.ok(is.defined(Firestore.DocumentReference));
    assert.equal(Firestore.DocumentReference.name, 'DocumentReference');
    assert.ok(is.defined(Firestore.WriteResult));
    assert.equal(Firestore.WriteResult.name, 'WriteResult');
    assert.ok(is.defined(Firestore.DocumentSnapshot));
    assert.equal(Firestore.DocumentSnapshot.name, 'DocumentSnapshot');
    assert.ok(is.defined(Firestore.QueryDocumentSnapshot));
    assert.equal(Firestore.QueryDocumentSnapshot.name, 'QueryDocumentSnapshot');
    assert.ok(is.defined(Firestore.Query));
    assert.equal(Firestore.Query.name, 'Query');
    assert.ok(is.defined(Firestore.QuerySnapshot));
    assert.equal(Firestore.QuerySnapshot.name, 'QuerySnapshot');
    assert.ok(is.defined(Firestore.CollectionReference));
    assert.equal(Firestore.CollectionReference.name, 'CollectionReference');
    assert.ok(is.defined(Firestore.FieldValue));
    assert.equal(Firestore.FieldValue.name, 'FieldValue');
    assert.ok(is.defined(Firestore.FieldPath));
    assert.equal(Firestore.Firestore.name, 'Firestore');
    assert.ok(!Firestore.FieldValue.serverTimestamp().isEqual(
        Firestore.FieldValue.delete()));
  });
for (name in options) {
        src = target[name];
        copy = options[name];

        // Prevent never-ending loop
        if (target === copy) {
          continue;
        }

        // Recurse if we're merging plain objects or arrays
        if (deep && copy && (is.hash(copy) || (copy_is_array = is.array(copy)))) {
          if (copy_is_array) {
            copy_is_array = false;
            clone = src && is.array(src) ? src : [];
          } else {
            clone = src && is.hash(src) ? src : {};
          }

          // Never move original objects, clone them
          target[name] = extend(deep, clone, copy);

        // Don't bring in undefined values
        } else if (typeof copy !== 'undefined') {
          target[name] = copy;
        }
      }
    }
  }

  // Return the modified object
  return target;
};
}

    // Standard Events only contains custom properties defined in the configuration
    // If the property is not listed there, we just drop it.
    if (
      isStandardEvent &&
      standardEventsCustomProperties.indexOf(property) < 0
    ) {
      continue;
    }

    var value = properties[property];

    // Dates
    if (dateFields.indexOf(camel(property)) >= 0) {
      if (is.date(value)) {
        payload[property] = value.toISOString().split('T')[0];
        continue;
      }
    }

    // Custom PII properties
    if (customPiiProperties.hasOwnProperty(property)) {
      // hash or drop
      if (customPiiProperties[property] && typeof value === 'string') {
        payload[property] = sha256(value);
      }
      continue;
    }

    // Default PII properties
    var isPropertyPii = defaultPiiProperties.indexOf(property) >= 0;
if (options != null) {
      if (typeof options === 'string') {
        options = options.split('');
      }
      // Extend the base object
      for (name in options) {
        src = getProperty(target, name);
        copy = getProperty(options, name);

        // Prevent never-ending loop
        if (target === copy) {
          continue;
        }

        // Recurse if we're merging plain objects or arrays
        if (deep && copy && (is.hash(copy) || (copyIsArray = is.array(copy)))) {
          if (copyIsArray) {
            copyIsArray = false;
            clone = src && is.array(src) ? src : [];
          } else {
            clone = src && is.hash(src) ? src : {};
          }

          // Never move original objects, clone them
          setProperty(target, name, extend(deep, clone, copy));

        // Don't bring in undefined values
        } else if (typeof copy !== 'undefined') {
          setProperty(target, name, copy);
        }
      }
    }
if (options != null) {
      if (typeof options === 'string') {
          options = options.split('');
      }
      // Extend the base object
      for (name in options) {
        src = target[name];
        copy = options[name];

        // Prevent never-ending loop
        if (target === copy) {
          continue;
        }

        // Recurse if we're merging plain objects or arrays
        if (deep && copy && (is.hash(copy) || (copy_is_array = is.array(copy)))) {
          if (copy_is_array) {
            copy_is_array = false;
            clone = src && is.array(src) ? src : [];
          } else {
            clone = src && is.hash(src) ? src : {};
          }

          // Never move original objects, clone them
          target[name] = extend(deep, clone, copy);

        // Don't bring in undefined values
        } else if (typeof copy !== 'undefined') {
          target[name] = copy;
        }
      }
    }
run(options?, callback?) {
    if (is.fn(options)) {
      callback = options;
      options = {};
    }

    options = options || {};
    callback = callback || (() => {});

    // tslint:disable-next-line no-any
    const reqOpts: any = {
      transactionOptions: {},
    };

    if (options.readOnly || this.readOnly) {
      reqOpts.transactionOptions.readOnly = {};
    }

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