inversify/es/container/lookup.js

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

import * as ERROR_MSGS from '../constants/error_msgs';
import { isClonable } from '../utils/clonable';
var Lookup = (function () {
    function Lookup() {
        this._map = new Map();
    }
    Lookup.prototype.getMap = function () {
        return this._map;
    };
    Lookup.prototype.add = function (serviceIdentifier, value) {
        if (serviceIdentifier === null || serviceIdentifier === undefined) {
            throw new Error(ERROR_MSGS.NULL_ARGUMENT);
        }
        if (value === null || value === undefined) {
            throw new Error(ERROR_MSGS.NULL_ARGUMENT);
        }
        var entry = this._map.get(serviceIdentifier);
        if (entry !== undefined) {
            entry.push(value);
        }
        else {
            this._map.set(serviceIdentifier, [value]);
        }
    };
    Lookup.prototype.get = function (serviceIdentifier) {
        if (serviceIdentifier === null || serviceIdentifier === undefined) {
            throw new Error(ERROR_MSGS.NULL_ARGUMENT);
        }
        var entry = this._map.get(serviceIdentifier);
        if (entry !== undefined) {
            return entry;
        }
        else {
            throw new Error(ERROR_MSGS.KEY_NOT_FOUND);
        }
    };
    Lookup.prototype.remove = function (serviceIdentifier) {
        if (serviceIdentifier === null || serviceIdentifier === undefined) {
            throw new Error(ERROR_MSGS.NULL_ARGUMENT);
        }
        if (!this._map.delete(serviceIdentifier)) {
            throw new Error(ERROR_MSGS.KEY_NOT_FOUND);
        }
    };
    Lookup.prototype.removeIntersection = function (lookup) {
        var _this = this;
        this.traverse(function (serviceIdentifier, value) {
            var lookupActivations = lookup.hasKey(serviceIdentifier) ? lookup.get(serviceIdentifier) : undefined;
            if (lookupActivations !== undefined) {
                var filteredValues = value.filter(function (lookupValue) {
                    return !lookupActivations.some(function (moduleActivation) { return lookupValue === moduleActivation; });
                });
                _this._setValue(serviceIdentifier, filteredValues);
            }
        });
    };
    Lookup.prototype.removeByCondition = function (condition) {
        var _this = this;
        var removals = [];
        this._map.forEach(function (entries, key) {
            var updatedEntries = [];
            for (var _i = 0, entries_1 = entries; _i < entries_1.length; _i++) {
                var entry = entries_1[_i];
                var remove = condition(entry);
                if (remove) {
                    removals.push(entry);
                }
                else {
                    updatedEntries.push(entry);
                }
            }
            _this._setValue(key, updatedEntries);
        });
        return removals;
    };
    Lookup.prototype.hasKey = function (serviceIdentifier) {
        if (serviceIdentifier === null || serviceIdentifier === undefined) {
            throw new Error(ERROR_MSGS.NULL_ARGUMENT);
        }
        return this._map.has(serviceIdentifier);
    };
    Lookup.prototype.clone = function () {
        var copy = new Lookup();
        this._map.forEach(function (value, key) {
            value.forEach(function (b) { return copy.add(key, isClonable(b) ? b.clone() : b); });
        });
        return copy;
    };
    Lookup.prototype.traverse = function (func) {
        this._map.forEach(function (value, key) {
            func(key, value);
        });
    };
    Lookup.prototype._setValue = function (serviceIdentifier, value) {
        if (value.length > 0) {
            this._map.set(serviceIdentifier, value);
        }
        else {
            this._map.delete(serviceIdentifier);
        }
    };
    return Lookup;
}());
export { Lookup };