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There is a newer version: 18.2.12
/**
 * @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.dev/license
 */
export function stringify(token) {
    if (typeof token === 'string') {
        return token;
    }
    if (Array.isArray(token)) {
        return '[' + token.map(stringify).join(', ') + ']';
    }
    if (token == null) {
        return '' + token;
    }
    if (token.overriddenName) {
        return `${token.overriddenName}`;
    }
    if (token.name) {
        return `${token.name}`;
    }
    const res = token.toString();
    if (res == null) {
        return '' + res;
    }
    const newLineIndex = res.indexOf('\n');
    return newLineIndex === -1 ? res : res.substring(0, newLineIndex);
}
/**
 * Concatenates two strings with separator, allocating new strings only when necessary.
 *
 * @param before before string.
 * @param separator separator string.
 * @param after after string.
 * @returns concatenated string.
 */
export function concatStringsWithSpace(before, after) {
    return before == null || before === ''
        ? after === null
            ? ''
            : after
        : after == null || after === ''
            ? before
            : before + ' ' + after;
}
/**
 * Ellipses the string in the middle when longer than the max length
 *
 * @param string
 * @param maxLength of the output string
 * @returns ellipsed string with ... in the middle
 */
export function truncateMiddle(str, maxLength = 100) {
    if (!str || maxLength < 1 || str.length <= maxLength)
        return str;
    if (maxLength == 1)
        return str.substring(0, 1) + '...';
    const halfLimit = Math.round(maxLength / 2);
    return str.substring(0, halfLimit) + '...' + str.substring(str.length - halfLimit);
}
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