@geoapify/geocoder-autocomplete/dist/helpers/callbacks.js

A JavaScript address autocomplete input, compatible with Leaflet, MapLibre, OpenLayers, and other map libraries for efficient location search and geocoding.

export class Callbacks {
    changeCallbacks = [];
    suggestionsChangeCallbacks = [];
    inputCallbacks = [];
    openCallbacks = [];
    closeCallbacks = [];
    requestStartCallbacks = [];
    requestEndCallbacks = [];
    addCallback(operation, callback) {
        let currentCallbacks = this.getCallbacksByOperation(operation);
        if (currentCallbacks) {
            if (currentCallbacks.indexOf(callback) < 0) {
                currentCallbacks.push(callback);
            }
        }
    }
    removeCallback(operation, callback) {
        let currentCallbacks = this.getCallbacksByOperation(operation);
        if (currentCallbacks) {
            if (currentCallbacks.indexOf(callback) >= 0) {
                currentCallbacks.splice(currentCallbacks.indexOf(callback), 1);
                this.setCallbacksByOperation(operation, currentCallbacks);
            }
            else if (!callback) {
                this.setCallbacksByOperation(operation, []);
            }
        }
    }
    notifyInputChange(currentValue) {
        this.inputCallbacks.forEach(callback => callback(currentValue));
    }
    notifyChange(feature) {
        this.changeCallbacks.forEach(callback => callback(feature));
    }
    notifySuggestions(features) {
        this.suggestionsChangeCallbacks.forEach(callback => callback(features));
    }
    notifyOpened() {
        this.openCallbacks.forEach(callback => callback(true));
    }
    notifyClosed() {
        this.closeCallbacks.forEach(callback => callback(false));
    }
    notifyRequestStart(query) {
        this.requestStartCallbacks.forEach(callback => callback(query));
    }
    notifyRequestEnd(success, data, error) {
        this.requestEndCallbacks.forEach(callback => callback(success, data, error));
    }
    getCallbacksByOperation(operation) {
        let currentCallbacks = null;
        switch (operation) {
            case 'select': {
                currentCallbacks = this.changeCallbacks;
                break;
            }
            case 'suggestions': {
                currentCallbacks = this.suggestionsChangeCallbacks;
                break;
            }
            case 'input': {
                currentCallbacks = this.inputCallbacks;
                break;
            }
            case 'close': {
                currentCallbacks = this.closeCallbacks;
                break;
            }
            case 'open': {
                currentCallbacks = this.openCallbacks;
                break;
            }
            case 'request_start': {
                currentCallbacks = this.requestStartCallbacks;
                break;
            }
            case 'request_end': {
                currentCallbacks = this.requestEndCallbacks;
                break;
            }
        }
        return currentCallbacks;
    }
    setCallbacksByOperation(operation, callbacks) {
        switch (operation) {
            case 'select': {
                this.changeCallbacks = callbacks;
                break;
            }
            case 'suggestions': {
                this.suggestionsChangeCallbacks = callbacks;
                break;
            }
            case 'input': {
                this.inputCallbacks = callbacks;
                break;
            }
            case 'close': {
                this.closeCallbacks = callbacks;
                break;
            }
            case 'open': {
                this.openCallbacks = callbacks;
                break;
            }
            case 'request_start': {
                this.requestStartCallbacks = callbacks;
                break;
            }
            case 'request_end': {
                this.requestEndCallbacks = callbacks;
                break;
            }
        }
    }
}