/* esm-bundle - @angular/cdk/coercion@15.1.1 - Ivy - es format - es2015 - Use of this source code is governed by an MIT-style license that can be found in the LICENSE file at https://angular.io/license */
import { ElementRef } from '@angular/core';

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/** Coerces a data-bound value (typically a string) to a boolean. */
function coerceBooleanProperty(value) {
  return value != null && `${value}` !== 'false';
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function coerceNumberProperty(value, fallbackValue = 0) {
  return _isNumberValue(value) ? Number(value) : fallbackValue;
}
/**
 * Whether the provided value is considered a number.
 * @docs-private
 */
function _isNumberValue(value) {
  // parseFloat(value) handles most of the cases we're interested in (it treats null, empty string,
  // and other non-number values as NaN, where Number just uses 0) but it considers the string
  // '123hello' to be a valid number. Therefore we also check if Number(value) is NaN.
  return !isNaN(parseFloat(value)) && !isNaN(Number(value));
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function coerceArray(value) {
  return Array.isArray(value) ? value : [value];
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/** Coerces a value to a CSS pixel value. */
function coerceCssPixelValue(value) {
  if (value == null) {
    return '';
  }
  return typeof value === 'string' ? value : `${value}px`;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Coerces an ElementRef or an Element into an element.
 * Useful for APIs that can accept either a ref or the native element itself.
 */
function coerceElement(elementOrRef) {
  return elementOrRef instanceof ElementRef ? elementOrRef.nativeElement : elementOrRef;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Coerces a value to an array of trimmed non-empty strings.
 * Any input that is not an array, `null` or `undefined` will be turned into a string
 * via `toString()` and subsequently split with the given separator.
 * `null` and `undefined` will result in an empty array.
 * This results in the following outcomes:
 * - `null` -&gt; `[]`
 * - `[null]` -&gt; `["null"]`
 * - `["a", "b ", " "]` -&gt; `["a", "b"]`
 * - `[1, [2, 3]]` -&gt; `["1", "2,3"]`
 * - `[{ a: 0 }]` -&gt; `["[object Object]"]`
 * - `{ a: 0 }` -&gt; `["[object", "Object]"]`
 *
 * Useful for defining CSS classes or table columns.
 * @param value the value to coerce into an array of strings
 * @param separator split-separator if value isn't an array
 */
function coerceStringArray(value, separator = /\s+/) {
  const result = [];
  if (value != null) {
    const sourceValues = Array.isArray(value) ? value : `${value}`.split(separator);
    for (const sourceValue of sourceValues) {
      const trimmedString = `${sourceValue}`.trim();
      if (trimmedString) {
        result.push(trimmedString);
      }
    }
  }
  return result;
}

export { _isNumberValue, coerceArray, coerceBooleanProperty, coerceCssPixelValue, coerceElement, coerceNumberProperty, coerceStringArray };
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