inversify/es/planning/target.js

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

import Metadata from "../planning/metadata";
import QueryableString from "./queryable_string";
import * as METADATA_KEY from "../constants/metadata_keys";
import guid from "../utils/guid";
var Target = (function () {
    function Target(type, name, serviceIdentifier, namedOrTagged) {
        this.guid = guid();
        this.type = type;
        this.serviceIdentifier = serviceIdentifier;
        this.name = new QueryableString(name || "");
        this.metadata = new Array();
        var metadataItem = null;
        if (typeof namedOrTagged === "string") {
            metadataItem = new Metadata(METADATA_KEY.NAMED_TAG, namedOrTagged);
        }
        else if (namedOrTagged instanceof Metadata) {
            metadataItem = namedOrTagged;
        }
        if (metadataItem !== null) {
            this.metadata.push(metadataItem);
        }
    }
    Target.prototype.hasTag = function (key) {
        for (var i = 0; i < this.metadata.length; i++) {
            var m = this.metadata[i];
            if (m.key === key) {
                return true;
            }
        }
        return false;
    };
    Target.prototype.isArray = function () {
        return this.hasTag(METADATA_KEY.MULTI_INJECT_TAG);
    };
    Target.prototype.matchesArray = function (name) {
        return this.matchesTag(METADATA_KEY.MULTI_INJECT_TAG)(name);
    };
    Target.prototype.isNamed = function () {
        return this.hasTag(METADATA_KEY.NAMED_TAG);
    };
    Target.prototype.isTagged = function () {
        if (this.metadata.length > 1) {
            return true;
        }
        else if (this.metadata.length === 1) {
            return !this.hasTag(METADATA_KEY.NAMED_TAG);
        }
        else {
            return false;
        }
    };
    Target.prototype.matchesNamedTag = function (name) {
        return this.matchesTag(METADATA_KEY.NAMED_TAG)(name);
    };
    Target.prototype.matchesTag = function (key) {
        var _this = this;
        return function (value) {
            for (var i = 0; i < _this.metadata.length; i++) {
                var m = _this.metadata[i];
                if (m.key === key && m.value === value) {
                    return true;
                }
            }
            return false;
        };
    };
    return Target;
}());
export default Target;