ember-legacy-class-transform/.node_modules.ember-try/@glimmer/runtime/dist/modules/es5/lib/compiled/expressions/concat.js

The default blueprint for ember-cli addons.

function _defaults(obj, defaults) { var keys = Object.getOwnPropertyNames(defaults); for (var i = 0; i < keys.length; i++) { var key = keys[i]; var value = Object.getOwnPropertyDescriptor(defaults, key); if (value && value.configurable && obj[key] === undefined) { Object.defineProperty(obj, key, value); } } return obj; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : _defaults(subClass, superClass); }

import { CachedReference, combineTagged } from '@glimmer/reference';
export var ConcatReference = function (_CachedReference) {
    _inherits(ConcatReference, _CachedReference);

    function ConcatReference(parts) {
        _classCallCheck(this, ConcatReference);

        var _this = _possibleConstructorReturn(this, _CachedReference.call(this));

        _this.parts = parts;
        _this.tag = combineTagged(parts);
        return _this;
    }

    ConcatReference.prototype.compute = function compute() {
        var parts = new Array();
        for (var i = 0; i < this.parts.length; i++) {
            var value = this.parts[i].value();
            if (value !== null && value !== undefined) {
                parts[i] = castToString(value);
            }
        }
        if (parts.length > 0) {
            return parts.join('');
        }
        return null;
    };

    return ConcatReference;
}(CachedReference);
function castToString(value) {
    if (typeof value.toString !== 'function') {
        return '';
    }
    return String(value);
}
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