ngx-bootstrap/utils/esm2015/decorators.js

Native Angular Bootstrap Components

/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes,extraRequire,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */
/*tslint:disable:no-invalid-this */
/* tslint:disable-next-line: no-any */
/**
 * @param {?=} defaultValue
 * @return {?}
 */
export function OnChange(defaultValue) {
    /** @type {?} */
    const sufix = 'Change';
    /* tslint:disable-next-line: no-any */
    return function OnChangeHandler(target, propertyKey) {
        /** @type {?} */
        const _key = ` __${propertyKey}Value`;
        Object.defineProperty(target, propertyKey, {
            /* tslint:disable-next-line: no-any */
            /**
             * @return {?}
             */
            get() {
                return this[_key];
            },
            /* tslint:disable-next-line: no-any */
            /**
             * @param {?} value
             * @return {?}
             */
            set(value) {
                /** @type {?} */
                const prevValue = this[_key];
                this[_key] = value;
                if (prevValue !== value && this[propertyKey + sufix]) {
                    this[propertyKey + sufix].emit(value);
                }
            }
        });
    };
}
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