ng-cw-v12
Version:
Angular UI component library
209 lines (200 loc) • 9.52 kB
JavaScript
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('@angular/core')) :
typeof define === 'function' && define.amd ? define('ng-cw-v12/typing-text', ['exports', '@angular/core'], factory) :
(global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory((global["ng-cw-v12"] = global["ng-cw-v12"] || {}, global["ng-cw-v12"]["typing-text"] = {}), global.ng.core));
})(this, (function (exports, i0) { '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 TypingTextComponent = /** @class */ (function () {
function TypingTextComponent(elementRef) {
this.elementRef = elementRef;
/** 展示的文本内容 */
this._text = '';
/** 每个字符之间的延迟 */
this.ncDelayMultiple = 100;
/** 每个字符之间的间距 */
this.ncGap = 0;
/** 延迟 */
this.ncDelay = 0;
/** 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.displayedText = '';
this.observer = null;
this.typingInterval = null;
this.timeout = null;
}
Object.defineProperty(TypingTextComponent.prototype, "ncText", {
get: function () {
return this._text;
},
set: function (value) {
var _this = this;
this._text = value;
setTimeout(function () {
_this.start();
});
},
enumerable: false,
configurable: true
});
Object.defineProperty(TypingTextComponent.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(TypingTextComponent.prototype, "ncOnce", {
get: function () {
return this._once;
},
set: function (val) {
this._once = val !== null && val !== undefined && val !== false && val !== 'false';
},
enumerable: false,
configurable: true
});
TypingTextComponent.prototype.ngOnInit = function () { };
TypingTextComponent.prototype.ngOnDestroy = function () {
this.clear();
};
TypingTextComponent.prototype.start = function () {
var _this = this;
this.clear();
if (!this.ncStartOnView) {
this.timeout = setTimeout(function () {
_this.startTyping();
}, this.ncDelay);
}
else {
this.setupIntersectionObserver();
}
};
TypingTextComponent.prototype.clear = function () {
if (this.observer) {
this.observer.disconnect();
}
if (this.typingInterval) {
clearInterval(this.typingInterval);
}
if (this.timeout) {
clearTimeout(this.timeout);
}
};
TypingTextComponent.prototype.setupIntersectionObserver = function () {
var _this = this;
this.observer = new IntersectionObserver(function (entries) {
if (entries[0].isIntersecting) {
_this.timeout = setTimeout(function () {
_this.startTyping();
}, _this.ncDelay);
if (_this.ncOnce) {
if (_this.observer) {
_this.observer.disconnect();
}
}
}
else if (!_this.ncOnce) {
_this.endTyping();
}
}, { threshold: 0.1 });
this.observer.observe(this.elementRef.nativeElement);
};
TypingTextComponent.prototype.startTyping = function () {
var _this = this;
var i = 0;
this.typingInterval = setInterval(function () {
if (i < _this.ncText.length) {
_this.displayedText = _this.ncText.substring(0, i + 1);
i++;
}
else {
clearInterval(_this.typingInterval);
}
}, this.ncDelayMultiple);
};
TypingTextComponent.prototype.endTyping = function () {
//若执行动画（startTyping）内部正在执行，则清除动画
if (this.typingInterval) {
clearInterval(this.typingInterval);
}
//若存在ncDelay，离开视图后，进入动画（startTyping）可能还未执行，则需要清除timeout
if (this.timeout) {
clearTimeout(this.timeout);
}
//隐藏显示的文本
this.displayedText = '';
};
return TypingTextComponent;
}());
TypingTextComponent.ɵfac = i0__namespace.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "12.1.5", ngImport: i0__namespace, type: TypingTextComponent, deps: [{ token: i0__namespace.ElementRef }], target: i0__namespace.ɵɵFactoryTarget.Component });
TypingTextComponent.ɵcmp = i0__namespace.ɵɵngDeclareComponent({ minVersion: "12.0.0", version: "12.1.5", type: TypingTextComponent, selector: "nc-typing-text", inputs: { ncText: "ncText", ncDelayMultiple: "ncDelayMultiple", ncGap: "ncGap", ncDelay: "ncDelay", ncStartOnView: "ncStartOnView", ncOnce: "ncOnce" }, ngImport: i0__namespace, template: "<div class=\"typing-text-container\" style=\"--gap: {{ncGap}}px;\">\r\n {{ displayedText }}\r\n</div>", styles: [".typing-text-container{width:-moz-fit-content;width:fit-content;letter-spacing:var(--gap)}\n"] });
i0__namespace.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "12.1.5", ngImport: i0__namespace, type: TypingTextComponent, decorators: [{
type: i0.Component,
args: [{
selector: 'nc-typing-text',
templateUrl: './typing-text.component.html',
styleUrls: ['./typing-text.component.less']
}]
}], ctorParameters: function () { return [{ type: i0__namespace.ElementRef }]; }, propDecorators: { ncText: [{
type: i0.Input
}], ncDelayMultiple: [{
type: i0.Input
}], ncGap: [{
type: i0.Input
}], ncDelay: [{
type: i0.Input
}], ncStartOnView: [{
type: i0.Input
}], ncOnce: [{
type: i0.Input
}] } });
var NcTypingTextModule = /** @class */ (function () {
function NcTypingTextModule() {
}
return NcTypingTextModule;
}());
NcTypingTextModule.ɵfac = i0__namespace.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "12.1.5", ngImport: i0__namespace, type: NcTypingTextModule, deps: [], target: i0__namespace.ɵɵFactoryTarget.NgModule });
NcTypingTextModule.ɵmod = i0__namespace.ɵɵngDeclareNgModule({ minVersion: "12.0.0", version: "12.1.5", ngImport: i0__namespace, type: NcTypingTextModule, declarations: [TypingTextComponent], exports: [TypingTextComponent] });
NcTypingTextModule.ɵinj = i0__namespace.ɵɵngDeclareInjector({ minVersion: "12.0.0", version: "12.1.5", ngImport: i0__namespace, type: NcTypingTextModule, imports: [[]] });
i0__namespace.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "12.1.5", ngImport: i0__namespace, type: NcTypingTextModule, decorators: [{
type: i0.NgModule,
args: [{
declarations: [
TypingTextComponent
],
imports: [],
exports: [
TypingTextComponent
]
}]
}] });
/**
* Generated bundle index. Do not edit.
*/
exports.NcTypingTextModule = NcTypingTextModule;
exports.TypingTextComponent = TypingTextComponent;
Object.defineProperty(exports, '__esModule', { value: true });
}));
//# sourceMappingURL=ng-cw-v12-typing-text.umd.js.map