ng-zorro-antd/esm2015/core/util/convert.js

An enterprise-class UI components based on Ant Design and Angular

/**
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
 */
import { coerceBooleanProperty, coerceCssPixelValue, _isNumberValue } from '@angular/cdk/coercion';
import { warn } from 'ng-zorro-antd/core/logger';
export function toBoolean(value) {
    return coerceBooleanProperty(value);
}
export function toNumber(value, fallbackValue = 0) {
    return _isNumberValue(value) ? Number(value) : fallbackValue;
}
export function toCssPixel(value) {
    return coerceCssPixelValue(value);
}
// eslint-disable  no-invalid-this
/**
 * Get the function-property type's value
 */
export function valueFunctionProp(prop, ...args) {
    return typeof prop === 'function' ? prop(...args) : prop;
}
function propDecoratorFactory(name, fallback) {
    function propDecorator(target, propName, originalDescriptor) {
        const privatePropName = `$$__zorroPropDecorator__${propName}`;
        if (Object.prototype.hasOwnProperty.call(target, privatePropName)) {
            warn(`The prop "${privatePropName}" is already exist, it will be overrided by ${name} decorator.`);
        }
        Object.defineProperty(target, privatePropName, {
            configurable: true,
            writable: true
        });
        return {
            get() {
                return originalDescriptor && originalDescriptor.get
                    ? originalDescriptor.get.bind(this)()
                    : this[privatePropName];
            },
            set(value) {
                if (originalDescriptor && originalDescriptor.set) {
                    originalDescriptor.set.bind(this)(fallback(value));
                }
                this[privatePropName] = fallback(value);
            }
        };
    }
    return propDecorator;
}
/**
 * Input decorator that handle a prop to do get/set automatically with toBoolean
 *
 * Why not using @InputBoolean alone without @Input? AOT needs @Input to be visible
 *
 * @howToUse
 * ```
 * @Input() @InputBoolean() visible: boolean = false;
 *
 * // Act as below:
 * // @Input()
 * // get visible() { return this.__visible; }
 * // set visible(value) { this.__visible = value; }
 * // __visible = false;
 * ```
 */
export function InputBoolean() {
    return propDecoratorFactory('InputBoolean', toBoolean);
}
export function InputCssPixel() {
    return propDecoratorFactory('InputCssPixel', toCssPixel);
}
export function InputNumber(fallbackValue) {
    return propDecoratorFactory('InputNumber', (value) => toNumber(value, fallbackValue));
}
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