ng-cw-v12
Version:
Angular UI component library
232 lines (223 loc) • 10.7 kB
JavaScript
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('@angular/core'), require('@angular/common')) :
typeof define === 'function' && define.amd ? define('ng-cw-v12/number-ticker', ['exports', '@angular/core', '@angular/common'], factory) :
(global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory((global["ng-cw-v12"] = global["ng-cw-v12"] || {}, global["ng-cw-v12"]["number-ticker"] = {}), global.ng.core, global.ng.common));
})(this, (function (exports, i0, common) { 'use strict';
function _interopNamespace(e) {
if (e && e.__esModule) return e;
var n = Object.create(null);
if (e) {
Object.keys(e).forEach(function (k) {
if (k !== 'default') {
var d = Object.getOwnPropertyDescriptor(e, k);
Object.defineProperty(n, k, d.get ? d : {
enumerable: true,
get: function () { return e[k]; }
});
}
});
}
n["default"] = e;
return Object.freeze(n);
}
var i0__namespace = /*#__PURE__*/_interopNamespace(i0);
var NumberTickerComponent = /** @class */ (function () {
function NumberTickerComponent(elementRef) {
this.elementRef = elementRef;
/** 要显示的数字 */
this._value = 0;
/** 起始数值 */
this.ncStartValue = 0;
/** 开始前的延迟 */
this.ncDelay = 0;
/** 小数位数 */
this.ncDecimalPlaces = 0;
/** 动画持续时间(毫秒) */
this.ncDuration = 3000;
/** 是否在视图可见时才开始动画 */
this._startOnView = false;
/** 是否只执行一次动画 */
this._once = false;
this.observer = null;
this.animationFrame = null;
this.timeout = null;
this.currentValue = 0;
this.displayValue = '0';
}
Object.defineProperty(NumberTickerComponent.prototype, "ncValue", {
get: function () {
return this._value;
},
set: function (value) {
var _this = this;
this._value = value;
setTimeout(function () {
_this.start();
});
},
enumerable: false,
configurable: true
});
Object.defineProperty(NumberTickerComponent.prototype, "ncStartOnView", {
get: function () {
return this._startOnView;
},
set: function (val) {
this._startOnView = val !== null && val !== undefined && val !== false && val !== 'false';
},
enumerable: false,
configurable: true
});
Object.defineProperty(NumberTickerComponent.prototype, "ncOnce", {
get: function () {
return this._once;
},
set: function (val) {
this._once = val !== null && val !== undefined && val !== false && val !== 'false';
},
enumerable: false,
configurable: true
});
NumberTickerComponent.prototype.ngOnInit = function () { };
NumberTickerComponent.prototype.ngOnDestroy = function () {
this.clear();
};
NumberTickerComponent.prototype.start = function () {
var _this = this;
this.clear();
// 初始值:无论什么方向,都从startValue开始
this.currentValue = this.ncStartValue;
this.updateDisplayValue();
if (!this.ncStartOnView) {
this.timeout = setTimeout(function () {
_this.startAnimation();
}, this.ncDelay);
}
else {
this.setupIntersectionObserver();
}
};
NumberTickerComponent.prototype.clear = function () {
if (this.observer) {
this.observer.disconnect();
}
if (this.animationFrame) {
cancelAnimationFrame(this.animationFrame);
}
if (this.timeout) {
clearTimeout(this.timeout);
}
};
NumberTickerComponent.prototype.setupIntersectionObserver = function () {
var _this = this;
this.observer = new IntersectionObserver(function (entries) {
if (entries[0].isIntersecting) {
_this.timeout = setTimeout(function () {
_this.startAnimation();
}, _this.ncDelay);
if (_this.ncOnce) {
if (_this.observer) {
_this.observer.disconnect();
}
}
}
else if (!_this.ncOnce) {
_this.resetAnimation();
}
}, { threshold: 0.1 });
this.observer.observe(this.elementRef.nativeElement);
};
NumberTickerComponent.prototype.startAnimation = function () {
this.animate();
};
NumberTickerComponent.prototype.resetAnimation = function () {
if (this.timeout) {
clearTimeout(this.timeout);
}
if (this.animationFrame) {
cancelAnimationFrame(this.animationFrame);
}
this.currentValue = this.ncStartValue;
this.updateDisplayValue();
};
NumberTickerComponent.prototype.animate = function () {
var _this = this;
var startTime = performance.now();
var startVal = this.currentValue;
// 目标值:无论什么方向,都动画到value
var targetVal = this.ncValue;
var difference = targetVal - startVal;
var animateStep = function (currentTime) {
var elapsed = currentTime - startTime;
var progress = Math.min(elapsed / _this.ncDuration, 1);
// 使用缓动函数(ease-out)
var easedProgress = 1 - Math.pow(1 - progress, 3);
_this.currentValue = startVal + (difference * easedProgress);
_this.updateDisplayValue();
if (progress < 1) {
_this.animationFrame = requestAnimationFrame(animateStep);
}
};
this.animationFrame = requestAnimationFrame(animateStep);
};
NumberTickerComponent.prototype.updateDisplayValue = function () {
this.displayValue = this.currentValue.toFixed(this.ncDecimalPlaces);
};
return NumberTickerComponent;
}());
NumberTickerComponent.ɵfac = i0__namespace.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "12.1.5", ngImport: i0__namespace, type: NumberTickerComponent, deps: [{ token: i0__namespace.ElementRef }], target: i0__namespace.ɵɵFactoryTarget.Component });
NumberTickerComponent.ɵcmp = i0__namespace.ɵɵngDeclareComponent({ minVersion: "12.0.0", version: "12.1.5", type: NumberTickerComponent, selector: "nc-number-ticker", inputs: { ncValue: "ncValue", ncStartValue: "ncStartValue", ncDelay: "ncDelay", ncDecimalPlaces: "ncDecimalPlaces", ncDuration: "ncDuration", ncStartOnView: "ncStartOnView", ncOnce: "ncOnce" }, ngImport: i0__namespace, template: "<span class=\"number-ticker\">{{displayValue}}</span>", styles: [":host{display:inline-block}\n"] });
i0__namespace.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "12.1.5", ngImport: i0__namespace, type: NumberTickerComponent, decorators: [{
type: i0.Component,
args: [{
selector: 'nc-number-ticker',
templateUrl: './number-ticker.component.html',
styleUrls: ['./number-ticker.component.less']
}]
}], ctorParameters: function () { return [{ type: i0__namespace.ElementRef }]; }, propDecorators: { ncValue: [{
type: i0.Input
}], ncStartValue: [{
type: i0.Input
}], ncDelay: [{
type: i0.Input
}], ncDecimalPlaces: [{
type: i0.Input
}], ncDuration: [{
type: i0.Input
}], ncStartOnView: [{
type: i0.Input
}], ncOnce: [{
type: i0.Input
}] } });
var NcNumberTickerModule = /** @class */ (function () {
function NcNumberTickerModule() {
}
return NcNumberTickerModule;
}());
NcNumberTickerModule.ɵfac = i0__namespace.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "12.1.5", ngImport: i0__namespace, type: NcNumberTickerModule, deps: [], target: i0__namespace.ɵɵFactoryTarget.NgModule });
NcNumberTickerModule.ɵmod = i0__namespace.ɵɵngDeclareNgModule({ minVersion: "12.0.0", version: "12.1.5", ngImport: i0__namespace, type: NcNumberTickerModule, declarations: [NumberTickerComponent], imports: [common.CommonModule], exports: [NumberTickerComponent] });
NcNumberTickerModule.ɵinj = i0__namespace.ɵɵngDeclareInjector({ minVersion: "12.0.0", version: "12.1.5", ngImport: i0__namespace, type: NcNumberTickerModule, imports: [[
common.CommonModule
]] });
i0__namespace.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "12.1.5", ngImport: i0__namespace, type: NcNumberTickerModule, decorators: [{
type: i0.NgModule,
args: [{
declarations: [
NumberTickerComponent
],
imports: [
common.CommonModule
],
exports: [
NumberTickerComponent
]
}]
}] });
/**
* Generated bundle index. Do not edit.
*/
exports.NcNumberTickerModule = NcNumberTickerModule;
exports.NumberTickerComponent = NumberTickerComponent;
Object.defineProperty(exports, '__esModule', { value: true });
}));
//# sourceMappingURL=ng-cw-v12-number-ticker.umd.js.map