intl-format-cache/index.js

"use strict";
/*
Copyright (c) 2014, Yahoo! Inc. All rights reserved.
Copyrights licensed under the New BSD License.
See the accompanying LICENSE file for terms.
*/
var __spreadArrays = (this && this.__spreadArrays) || function () {
    for (var s = 0, i = 0, il = arguments.length; i < il; i++) s += arguments[i].length;
    for (var r = Array(s), k = 0, i = 0; i < il; i++)
        for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++)
            r[k] = a[j];
    return r;
};
Object.defineProperty(exports, "__esModule", { value: true });
// -- Utilities ----------------------------------------------------------------
function getCacheId(inputs) {
    return JSON.stringify(inputs.map(function (input) {
        return input && typeof input === 'object' ? orderedProps(input) : input;
    }));
}
function orderedProps(obj) {
    return Object.keys(obj)
        .sort()
        .map(function (k) {
        var _a;
        return (_a = {}, _a[k] = obj[k], _a);
    });
}
var memoizeFormatConstructor = function (FormatConstructor, cache) {
    if (cache === void 0) { cache = {}; }
    return function () {
        var _a;
        var args = [];
        for (var _i = 0; _i < arguments.length; _i++) {
            args[_i] = arguments[_i];
        }
        var cacheId = getCacheId(args);
        var format = cacheId && cache[cacheId];
        if (!format) {
            format = new ((_a = FormatConstructor).bind.apply(_a, __spreadArrays([void 0], args)))();
            if (cacheId) {
                cache[cacheId] = format;
            }
        }
        return format;
    };
};
exports.default = memoizeFormatConstructor;