inversify/amd/syntax/constraint_helpers.js

A powerful and lightweight inversion of control container for JavaScript and Node.js apps powered by TypeScript.

var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
define(["require", "exports", "../constants/metadata_keys", "../planning/metadata"], function (require, exports, METADATA_KEY, metadata_1) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    exports.typeConstraint = exports.namedConstraint = exports.taggedConstraint = exports.traverseAncerstors = void 0;
    METADATA_KEY = __importStar(METADATA_KEY);
    var traverseAncerstors = function (request, constraint) {
        var parent = request.parentRequest;
        if (parent !== null) {
            return constraint(parent) ? true : traverseAncerstors(parent, constraint);
        }
        else {
            return false;
        }
    };
    exports.traverseAncerstors = traverseAncerstors;
    var taggedConstraint = function (key) { return function (value) {
        var constraint = function (request) {
            return request !== null && request.target !== null && request.target.matchesTag(key)(value);
        };
        constraint.metaData = new metadata_1.Metadata(key, value);
        return constraint;
    }; };
    exports.taggedConstraint = taggedConstraint;
    var namedConstraint = taggedConstraint(METADATA_KEY.NAMED_TAG);
    exports.namedConstraint = namedConstraint;
    var typeConstraint = function (type) { return function (request) {
        var binding = null;
        if (request !== null) {
            binding = request.bindings[0];
            if (typeof type === 'string') {
                var serviceIdentifier = binding.serviceIdentifier;
                return serviceIdentifier === type;
            }
            else {
                var constructor = request.bindings[0].implementationType;
                return type === constructor;
            }
        }
        return false;
    }; };
    exports.typeConstraint = typeConstraint;
});