/**
 * @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
 */
import { syntaxError } from '../parse_util';
const FORMATTED_MESSAGE = 'ngFormattedMessage';
function indentStr(level) {
    if (level <= 0)
        return '';
    if (level < 6)
        return ['', ' ', '  ', '   ', '    ', '     '][level];
    const half = indentStr(Math.floor(level / 2));
    return half + half + (level % 2 === 1 ? ' ' : '');
}
function formatChain(chain, indent = 0) {
    if (!chain)
        return '';
    const position = chain.position ?
        `${chain.position.fileName}(${chain.position.line + 1},${chain.position.column + 1})` :
        '';
    const prefix = position && indent === 0 ? `${position}: ` : '';
    const postfix = position && indent !== 0 ? ` at ${position}` : '';
    let message = `${prefix}${chain.message}${postfix}`;
    if (chain.next) {
        for (const kid of chain.next) {
            message += '\n' + formatChain(kid, indent + 2);
        }
    }
    return `${indentStr(indent)}${message}`;
}
export function formattedError(chain) {
    const message = formatChain(chain) + '.';
    const error = syntaxError(message);
    error[FORMATTED_MESSAGE] = true;
    error.chain = chain;
    error.position = chain.position;
    return error;
}
export function isFormattedError(error) {
    return !!error[FORMATTED_MESSAGE];
}
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Ige1xuICByZXR1cm4gISEoZXJyb3IgYXMgYW55KVtGT1JNQVRURURfTUVTU0FHRV07XG59XG4iXX0=