/*!
  * @intlify/shared v9.1.10
  * (c) 2022 kazuya kawaguchi
  * Released under the MIT License.
  */
/**
 * Original Utilities
 * written by kazuya kawaguchi
 */
const inBrowser = typeof window !== 'undefined';
let mark;
let measure;
if ((process.env.NODE_ENV !== 'production')) {
    const perf = inBrowser && window.performance;
    if (perf &&
        perf.mark &&
        perf.measure &&
        perf.clearMarks &&
        perf.clearMeasures) {
        mark = (tag) => perf.mark(tag);
        measure = (name, startTag, endTag) => {
            perf.measure(name, startTag, endTag);
            perf.clearMarks(startTag);
            perf.clearMarks(endTag);
        };
    }
}
const RE_ARGS = /\{([0-9a-zA-Z]+)\}/g;
/* eslint-disable */
function format(message, ...args) {
    if (args.length === 1 && isObject(args[0])) {
        args = args[0];
    }
    if (!args || !args.hasOwnProperty) {
        args = {};
    }
    return message.replace(RE_ARGS, (match, identifier) => {
        return args.hasOwnProperty(identifier) ? args[identifier] : '';
    });
}
const hasSymbol = typeof Symbol === 'function' && typeof Symbol.toStringTag === 'symbol';
const makeSymbol = (name) => hasSymbol ? Symbol(name) : name;
const generateFormatCacheKey = (locale, key, source) => friendlyJSONstringify({ l: locale, k: key, s: source });
const friendlyJSONstringify = (json) => JSON.stringify(json)
    .replace(/\u2028/g, '\\u2028')
    .replace(/\u2029/g, '\\u2029')
    .replace(/\u0027/g, '\\u0027');
const isNumber = (val) => typeof val === 'number' && isFinite(val);
const isDate = (val) => toTypeString(val) === '[object Date]';
const isRegExp = (val) => toTypeString(val) === '[object RegExp]';
const isEmptyObject = (val) => isPlainObject(val) && Object.keys(val).length === 0;
function warn(msg, err) {
    if (typeof console !== 'undefined') {
        console.warn(`[intlify] ` + msg);
        /* istanbul ignore if */
        if (err) {
            console.warn(err.stack);
        }
    }
}
const assign = Object.assign;
let _globalThis;
const getGlobalThis = () => {
    // prettier-ignore
    return (_globalThis ||
        (_globalThis =
            typeof globalThis !== 'undefined'
                ? globalThis
                : typeof self !== 'undefined'
                    ? self
                    : typeof window !== 'undefined'
                        ? window
                        : typeof global !== 'undefined'
                            ? global
                            : {}));
};
function escapeHtml(rawText) {
    return rawText
        .replace(/</g, '&lt;')
        .replace(/>/g, '&gt;')
        .replace(/"/g, '&quot;')
        .replace(/'/g, '&apos;');
}
const hasOwnProperty = Object.prototype.hasOwnProperty;
function hasOwn(obj, key) {
    return hasOwnProperty.call(obj, key);
}
/* eslint-enable */
/**
 * Useful Utilities By Evan you
 * Modified by kazuya kawaguchi
 * MIT License
 * https://github.com/vuejs/vue-next/blob/master/packages/shared/src/index.ts
 * https://github.com/vuejs/vue-next/blob/master/packages/shared/src/codeframe.ts
 */
const isArray = Array.isArray;
const isFunction = (val) => typeof val === 'function';
const isString = (val) => typeof val === 'string';
const isBoolean = (val) => typeof val === 'boolean';
const isSymbol = (val) => typeof val === 'symbol';
const isObject = (val) => // eslint-disable-line
 val !== null && typeof val === 'object';
const isPromise = (val) => {
    return isObject(val) && isFunction(val.then) && isFunction(val.catch);
};
const objectToString = Object.prototype.toString;
const toTypeString = (value) => objectToString.call(value);
const isPlainObject = (val) => toTypeString(val) === '[object Object]';
// for converting list and named values to displayed strings.
const toDisplayString = (val) => {
    return val == null
        ? ''
        : isArray(val) || (isPlainObject(val) && val.toString === objectToString)
            ? JSON.stringify(val, null, 2)
            : String(val);
};
const RANGE = 2;
function generateCodeFrame(source, start = 0, end = source.length) {
    const lines = source.split(/\r?\n/);
    let count = 0;
    const res = [];
    for (let i = 0; i < lines.length; i++) {
        count += lines[i].length + 1;
        if (count >= start) {
            for (let j = i - RANGE; j <= i + RANGE || end > count; j++) {
                if (j < 0 || j >= lines.length)
                    continue;
                const line = j + 1;
                res.push(`${line}${' '.repeat(3 - String(line).length)}|  ${lines[j]}`);
                const lineLength = lines[j].length;
                if (j === i) {
                    // push underline
                    const pad = start - (count - lineLength) + 1;
                    const length = Math.max(1, end > count ? lineLength - pad : end - start);
                    res.push(`   |  ` + ' '.repeat(pad) + '^'.repeat(length));
                }
                else if (j > i) {
                    if (end > count) {
                        const length = Math.max(Math.min(end - count, lineLength), 1);
                        res.push(`   |  ` + '^'.repeat(length));
                    }
                    count += lineLength + 1;
                }
            }
            break;
        }
    }
    return res.join('\n');
}

/**
 * Event emitter, forked from the below:
 * - original repository url: https://github.com/developit/mitt
 * - code url: https://github.com/developit/mitt/blob/master/src/index.ts
 * - author: Jason Miller (https://github.com/developit)
 * - license: MIT
 */
/**
 * Create a event emitter
 *
 * @returns An event emitter
 */
function createEmitter() {
    const events = new Map();
    const emitter = {
        events,
        on(event, handler) {
            const handlers = events.get(event);
            const added = handlers && handlers.push(handler);
            if (!added) {
                events.set(event, [handler]);
            }
        },
        off(event, handler) {
            const handlers = events.get(event);
            if (handlers) {
                handlers.splice(handlers.indexOf(handler) >>> 0, 1);
            }
        },
        emit(event, payload) {
            (events.get(event) || [])
                .slice()
                .map(handler => handler(payload));
            (events.get('*') || [])
                .slice()
                .map(handler => handler(event, payload));
        }
    };
    return emitter;
}

export { assign, createEmitter, escapeHtml, format, friendlyJSONstringify, generateCodeFrame, generateFormatCacheKey, getGlobalThis, hasOwn, inBrowser, isArray, isBoolean, isDate, isEmptyObject, isFunction, isNumber, isObject, isPlainObject, isPromise, isRegExp, isString, isSymbol, makeSymbol, mark, measure, objectToString, toDisplayString, toTypeString, warn };
