@angular/cdk/fesm2022/coercion.mjs

Angular Material Component Development Kit

export { c as coerceBooleanProperty } from './boolean-property-DaaVhX5A.mjs';
export { _ as _isNumberValue, a as coerceElement, c as coerceNumberProperty } from './element-x4z00URv.mjs';
export { c as coerceArray } from './array-I1yfCXUO.mjs';
export { c as coerceCssPixelValue } from './css-pixel-value-C_HEqLhI.mjs';
import '@angular/core';

/**
 * 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` -> `[]`
 * - `[null]` -> `["null"]`
 * - `["a", "b ", " "]` -> `["a", "b"]`
 * - `[1, [2, 3]]` -> `["1", "2,3"]`
 * - `[{ a: 0 }]` -> `["[object Object]"]`
 * - `{ a: 0 }` -> `["[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 { coerceStringArray };
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