Automattic\WooCommerce\Vendor\GraphQL\Type\Definition

InputObjectType::initializeField │ protected │ WC 1.0

Method of the class: InputObjectType{}

No Hooks.

Returns

null. Nothing (null).

Usage

// protected - for code of main (parent) or child class
$result = $this->initializeField( $nameOrIndex, $field ): void;
$nameOrIndex(string|int) (required)
.
$field(required)
.

InputObjectType::initializeField() code WC 11.1.2

woocommerce/lib/packages/GraphQL/Type/Definition/InputObjectType.php 
protected function initializeField($nameOrIndex, $field): void
{
    if (is_callable($field)) {
        $field = $field();
    }
    assert($field instanceof Type || is_array($field) || $field instanceof InputObjectField);

    if ($field instanceof Type) {
        $field = ['type' => $field];
    }
    assert(is_array($field) || $field instanceof InputObjectField); // @phpstan-ignore-line TODO remove when using actual union types

    if (is_array($field)) {
        $field['name'] ??= $nameOrIndex;

        if (! is_string($field['name'])) {
            throw new InvariantViolation("{$this->name} fields must be an associative array with field names as keys, an array of arrays with a name attribute, or a callable which returns one of those.");
        }

        $field = new InputObjectField($field); // @phpstan-ignore-line array type is wrongly inferred
    }
    assert($field instanceof InputObjectField); // @phpstan-ignore-line TODO remove when using actual union types

    $this->fields[$field->name] = $field;
}