@angular/cdk/bundles/cdk-coercion.umd.js

(function (global, factory) {
    typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('@angular/core')) :
    typeof define === 'function' && define.amd ? define('@angular/cdk/coercion', ['exports', '@angular/core'], factory) :
    (global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory((global.ng = global.ng || {}, global.ng.cdk = global.ng.cdk || {}, global.ng.cdk.coercion = {}), global.ng.core));
}(this, (function (exports, core) { 'use strict';

    /**
     * @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) {
        if (fallbackValue === void 0) { 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 core.ElementRef ? elementOrRef.nativeElement : elementOrRef;
    }

    /*! *****************************************************************************
    Copyright (c) Microsoft Corporation.

    Permission to use, copy, modify, and/or distribute this software for any
    purpose with or without fee is hereby granted.

    THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
    REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
    AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
    INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
    LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
    OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
    PERFORMANCE OF THIS SOFTWARE.
    ***************************************************************************** */
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    /**
     * @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) {
        var e_1, _a;
        if (separator === void 0) { separator = /\s+/; }
        var result = [];
        if (value != null) {
            var sourceValues = Array.isArray(value) ? value : ("" + value).split(separator);
            try {
                for (var sourceValues_1 = __values(sourceValues), sourceValues_1_1 = sourceValues_1.next(); !sourceValues_1_1.done; sourceValues_1_1 = sourceValues_1.next()) {
                    var sourceValue = sourceValues_1_1.value;
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                    if (trimmedString) {
                        result.push(trimmedString);
                    }
                }
            }
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                try {
                    if (sourceValues_1_1 && !sourceValues_1_1.done && (_a = sourceValues_1.return)) _a.call(sourceValues_1);
                }
                finally { if (e_1) throw e_1.error; }
            }
        }
        return result;
    }

    /**
     * @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
     */

    /**
     * @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
     */

    exports._isNumberValue = _isNumberValue;
    exports.coerceArray = coerceArray;
    exports.coerceBooleanProperty = coerceBooleanProperty;
    exports.coerceCssPixelValue = coerceCssPixelValue;
    exports.coerceElement = coerceElement;
    exports.coerceNumberProperty = coerceNumberProperty;
    exports.coerceStringArray = coerceStringArray;

    Object.defineProperty(exports, '__esModule', { value: true });

})));
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