ngx-qrcode2
Version:
An Angular component for generating QRCodes
136 lines • 13 kB
JavaScript
import { __decorate } from "tslib";
import { ChangeDetectionStrategy, Component, ElementRef, Input, OnChanges, Renderer2, ViewChild } from '@angular/core';
import QRCode from 'qrcode';
import { NgxQrcodeElementTypes } from './qrcode.types';
import { DEFAULT_VALUES } from './qrcode.constants';
let QrcodeComponent = class QrcodeComponent {
constructor(renderer) {
this.renderer = renderer;
this.elementType = DEFAULT_VALUES.elementType;
this.cssClass = DEFAULT_VALUES.cssClass;
this.value = DEFAULT_VALUES.value;
this.version = DEFAULT_VALUES.version;
this.errorCorrectionLevel = DEFAULT_VALUES.errorCorrectionLevel;
this.margin = DEFAULT_VALUES.margin;
this.scale = DEFAULT_VALUES.scale;
this.width = DEFAULT_VALUES.width;
this.colorDark = DEFAULT_VALUES.colorDark;
this.colorLight = DEFAULT_VALUES.colorLight;
}
ngOnChanges() {
this.createQRCode();
}
createQRCode() {
if (!this.value) {
return;
}
let element;
switch (this.elementType) {
case NgxQrcodeElementTypes.CANVAS:
element = this.renderer.createElement('canvas');
this.toCanvas(element).then(() => {
this.renderElement(element);
}).catch(e => {
this.removeElementChildren();
console.error(e);
});
break;
default:
element = this.renderer.createElement('img');
this.toDataURL().then((src) => {
element.setAttribute('src', src);
if (this.alt) {
element.setAttribute('alt', this.alt);
}
this.renderElement(element);
}).catch(e => {
this.removeElementChildren();
console.error(e);
});
}
}
toDataURL() {
return QRCode.toDataURL(this.value, {
version: this.version,
errorCorrectionLevel: this.errorCorrectionLevel,
margin: this.margin,
scale: this.scale,
width: this.width,
color: {
dark: this.colorDark,
light: this.colorLight
}
});
}
toCanvas(canvas) {
return QRCode.toCanvas(canvas, this.value, {
version: this.version,
errorCorrectionLevel: this.errorCorrectionLevel,
margin: this.margin,
scale: this.scale,
width: this.width,
color: {
dark: this.colorDark,
light: this.colorLight
}
});
}
renderElement(element) {
this.removeElementChildren();
this.renderer.appendChild(this.qrcElement.nativeElement, element);
}
removeElementChildren() {
for (const node of this.qrcElement.nativeElement.childNodes) {
this.renderer.removeChild(this.qrcElement.nativeElement, node);
}
}
};
QrcodeComponent.ctorParameters = () => [
{ type: Renderer2 }
];
__decorate([
Input()
], QrcodeComponent.prototype, "elementType", void 0);
__decorate([
Input()
], QrcodeComponent.prototype, "cssClass", void 0);
__decorate([
Input()
], QrcodeComponent.prototype, "alt", void 0);
__decorate([
Input()
], QrcodeComponent.prototype, "value", void 0);
__decorate([
Input()
], QrcodeComponent.prototype, "version", void 0);
__decorate([
Input()
], QrcodeComponent.prototype, "errorCorrectionLevel", void 0);
__decorate([
Input()
], QrcodeComponent.prototype, "margin", void 0);
__decorate([
Input()
], QrcodeComponent.prototype, "scale", void 0);
__decorate([
Input()
], QrcodeComponent.prototype, "width", void 0);
__decorate([
Input()
], QrcodeComponent.prototype, "colorDark", void 0);
__decorate([
Input()
], QrcodeComponent.prototype, "colorLight", void 0);
__decorate([
ViewChild('qrcElement')
], QrcodeComponent.prototype, "qrcElement", void 0);
QrcodeComponent = __decorate([
Component({
selector: 'ngx-qrcode',
template: `
<div #qrcElement [class]="cssClass"></div>`,
changeDetection: ChangeDetectionStrategy.OnPush
})
], QrcodeComponent);
export { QrcodeComponent };
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"qrcode.component.js","sourceRoot":"ng://ngx-qrcode2/","sources":["lib/qrcode.component.ts"],"names":[],"mappings":";AAAA,OAAO,EAAE,uBAAuB,EAAE,SAAS,EAAE,UAAU,EAAE,KAAK,EAAE,SAAS,EAAE,SAAS,EAAE,SAAS,EAAE,MAAM,eAAe,CAAC;AAEvH,OAAO,MAAM,MAAM,QAAQ,CAAC;AAE5B,OAAO,EAAE,qBAAqB,EAAE,MAAM,gBAAgB,CAAC;AACvD,OAAO,EAAE,cAAc,EAAE,MAAM,oBAAoB,CAAC;AAQpD,IAAa,eAAe,GAA5B,MAAa,eAAe;IAiB1B,YAAoB,QAAmB;QAAnB,aAAQ,GAAR,QAAQ,CAAW;QAf9B,gBAAW,GAAG,cAAc,CAAC,WAAW,CAAC;QACzC,aAAQ,GAAG,cAAc,CAAC,QAAQ,CAAC;QAEnC,UAAK,GAAG,cAAc,CAAC,KAAK,CAAC;QAC7B,YAAO,GAAG,cAAc,CAAC,OAAO,CAAC;QAEjC,yBAAoB,GAAG,cAAc,CAAC,oBAAoB,CAAC;QAC3D,WAAM,GAAG,cAAc,CAAC,MAAM,CAAC;QAC/B,UAAK,GAAG,cAAc,CAAC,KAAK,CAAC;QAC7B,UAAK,GAAG,cAAc,CAAC,KAAK,CAAC;QAC7B,cAAS,GAAG,cAAc,CAAC,SAAS,CAAC;QACrC,eAAU,GAAG,cAAc,CAAC,UAAU,CAAC;IAKhD,CAAC;IAED,WAAW;QACT,IAAI,CAAC,YAAY,EAAE,CAAC;IACtB,CAAC;IAED,YAAY;QACV,IAAI,CAAC,IAAI,CAAC,KAAK,EAAE;YACf,OAAO;SACR;QAED,IAAI,OAAgB,CAAC;QAErB,QAAQ,IAAI,CAAC,WAAW,EAAE;YAExB,KAAK,qBAAqB,CAAC,MAAM;gBAC/B,OAAO,GAAG,IAAI,CAAC,QAAQ,CAAC,aAAa,CAAC,QAAQ,CAAC,CAAC;gBAChD,IAAI,CAAC,QAAQ,CAAC,OAAO,CAAC,CAAC,IAAI,CAAC,GAAG,EAAE;oBAC/B,IAAI,CAAC,aAAa,CAAC,OAAO,CAAC,CAAC;gBAC9B,CAAC,CAAC,CAAC,KAAK,CAAC,CAAC,CAAC,EAAE;oBACX,IAAI,CAAC,qBAAqB,EAAE,CAAC;oBAC7B,OAAO,CAAC,KAAK,CAAC,CAAC,CAAC,CAAC;gBACnB,CAAC,CAAC,CAAC;gBACH,MAAM;YACR;gBACE,OAAO,GAAG,IAAI,CAAC,QAAQ,CAAC,aAAa,CAAC,KAAK,CAAC,CAAC;gBAC7C,IAAI,CAAC,SAAS,EAAE,CAAC,IAAI,CAAC,CAAC,GAAW,EAAE,EAAE;oBACpC,OAAO,CAAC,YAAY,CAAC,KAAK,EAAE,GAAG,CAAC,CAAC;oBACjC,IAAI,IAAI,CAAC,GAAG,EAAE;wBACZ,OAAO,CAAC,YAAY,CAAC,KAAK,EAAE,IAAI,CAAC,GAAG,CAAC,CAAC;qBACvC;oBACD,IAAI,CAAC,aAAa,CAAC,OAAO,CAAC,CAAC;gBAC9B,CAAC,CAAC,CAAC,KAAK,CAAC,CAAC,CAAC,EAAE;oBACX,IAAI,CAAC,qBAAqB,EAAE,CAAC;oBAC7B,OAAO,CAAC,KAAK,CAAC,CAAC,CAAC,CAAC;gBACnB,CAAC,CAAC,CAAC;SACN;IACH,CAAC;IAEO,SAAS;QACf,OAAO,MAAM,CAAC,SAAS,CAAC,IAAI,CAAC,KAAK,EAChC;YACE,OAAO,EAAE,IAAI,CAAC,OAAO;YACrB,oBAAoB,EAAE,IAAI,CAAC,oBAAoB;YAC/C,MAAM,EAAE,IAAI,CAAC,MAAM;YACnB,KAAK,EAAE,IAAI,CAAC,KAAK;YACjB,KAAK,EAAE,IAAI,CAAC,KAAK;YACjB,KAAK,EAAE;gBACL,IAAI,EAAE,IAAI,CAAC,SAAS;gBACpB,KAAK,EAAE,IAAI,CAAC,UAAU;aACvB;SACF,CAAC,CAAC;IACP,CAAC;IAEO,QAAQ,CAAC,MAAM;QACrB,OAAO,MAAM,CAAC,QAAQ,CAAC,MAAM,EAAE,IAAI,CAAC,KAAK,EAAE;YACzC,OAAO,EAAE,IAAI,CAAC,OAAO;YACrB,oBAAoB,EAAE,IAAI,CAAC,oBAAoB;YAC/C,MAAM,EAAE,IAAI,CAAC,MAAM;YACnB,KAAK,EAAE,IAAI,CAAC,KAAK;YACjB,KAAK,EAAE,IAAI,CAAC,KAAK;YACjB,KAAK,EAAE;gBACL,IAAI,EAAE,IAAI,CAAC,SAAS;gBACpB,KAAK,EAAE,IAAI,CAAC,UAAU;aACvB;SACF,CAAC,CAAC;IACL,CAAC;IAEO,aAAa,CAAC,OAAO;QAC3B,IAAI,CAAC,qBAAqB,EAAE,CAAC;QAC7B,IAAI,CAAC,QAAQ,CAAC,WAAW,CAAC,IAAI,CAAC,UAAU,CAAC,aAAa,EAAE,OAAO,CAAC,CAAC;IACpE,CAAC;IAEO,qBAAqB;QAC3B,KAAK,MAAM,IAAI,IAAI,IAAI,CAAC,UAAU,CAAC,aAAa,CAAC,UAAU,EAAE;YAC3D,IAAI,CAAC,QAAQ,CAAC,WAAW,CAAC,IAAI,CAAC,UAAU,CAAC,aAAa,EAAE,IAAI,CAAC,CAAC;SAChE;IACH,CAAC;CACF,CAAA;;YA/E+B,SAAS;;AAf9B;IAAR,KAAK,EAAE;oDAA0C;AACzC;IAAR,KAAK,EAAE;iDAAoC;AACnC;IAAR,KAAK,EAAE;4CAAa;AACZ;IAAR,KAAK,EAAE;8CAA8B;AAC7B;IAAR,KAAK,EAAE;gDAAkC;AAEjC;IAAR,KAAK,EAAE;6DAA4D;AAC3D;IAAR,KAAK,EAAE;+CAAgC;AAC/B;IAAR,KAAK,EAAE;8CAA8B;AAC7B;IAAR,KAAK,EAAE;8CAA8B;AAC7B;IAAR,KAAK,EAAE;kDAAsC;AACrC;IAAR,KAAK,EAAE;mDAAwC;AAEvB;IAAxB,SAAS,CAAC,YAAY,CAAC;mDAAwB;AAfrC,eAAe;IAN3B,SAAS,CAAC;QACT,QAAQ,EAAE,YAAY;QACtB,QAAQ,EAAE;+CACmC;QAC7C,eAAe,EAAE,uBAAuB,CAAC,MAAM;KAChD,CAAC;GACW,eAAe,CAgG3B;SAhGY,eAAe","sourcesContent":["import { ChangeDetectionStrategy, Component, ElementRef, Input, OnChanges, Renderer2, ViewChild } from '@angular/core';\n\nimport QRCode from 'qrcode';\n\nimport { NgxQrcodeElementTypes } from './qrcode.types';\nimport { DEFAULT_VALUES } from './qrcode.constants';\n\n@Component({\n  selector: 'ngx-qrcode',\n  template: `\n    <div #qrcElement [class]=\"cssClass\"></div>`,\n  changeDetection: ChangeDetectionStrategy.OnPush\n})\nexport class QrcodeComponent implements OnChanges {\n\n  @Input() elementType = DEFAULT_VALUES.elementType;\n  @Input() cssClass = DEFAULT_VALUES.cssClass;\n  @Input() alt: string;\n  @Input() value = DEFAULT_VALUES.value;\n  @Input() version = DEFAULT_VALUES.version;\n\n  @Input() errorCorrectionLevel = DEFAULT_VALUES.errorCorrectionLevel;\n  @Input() margin = DEFAULT_VALUES.margin;\n  @Input() scale = DEFAULT_VALUES.scale;\n  @Input() width = DEFAULT_VALUES.width;\n  @Input() colorDark = DEFAULT_VALUES.colorDark;\n  @Input() colorLight = DEFAULT_VALUES.colorLight;\n\n  @ViewChild('qrcElement') qrcElement: ElementRef;\n\n  constructor(private renderer: Renderer2) {\n  }\n\n  ngOnChanges() {\n    this.createQRCode();\n  }\n\n  createQRCode() {\n    if (!this.value) {\n      return;\n    }\n\n    let element: Element;\n\n    switch (this.elementType) {\n\n      case NgxQrcodeElementTypes.CANVAS:\n        element = this.renderer.createElement('canvas');\n        this.toCanvas(element).then(() => {\n          this.renderElement(element);\n        }).catch(e => {\n          this.removeElementChildren();\n          console.error(e);\n        });\n        break;\n      default:\n        element = this.renderer.createElement('img');\n        this.toDataURL().then((src: string) => {\n          element.setAttribute('src', src);\n          if (this.alt) {\n            element.setAttribute('alt', this.alt);\n          }\n          this.renderElement(element);\n        }).catch(e => {\n          this.removeElementChildren();\n          console.error(e);\n        });\n    }\n  }\n\n  private toDataURL(): Promise<string> {\n    return QRCode.toDataURL(this.value,\n      {\n        version: this.version,\n        errorCorrectionLevel: this.errorCorrectionLevel,\n        margin: this.margin,\n        scale: this.scale,\n        width: this.width,\n        color: {\n          dark: this.colorDark,\n          light: this.colorLight\n        }\n      });\n  }\n\n  private toCanvas(canvas): Promise<any> {\n    return QRCode.toCanvas(canvas, this.value, {\n      version: this.version,\n      errorCorrectionLevel: this.errorCorrectionLevel,\n      margin: this.margin,\n      scale: this.scale,\n      width: this.width,\n      color: {\n        dark: this.colorDark,\n        light: this.colorLight\n      }\n    });\n  }\n\n  private renderElement(element): void {\n    this.removeElementChildren();\n    this.renderer.appendChild(this.qrcElement.nativeElement, element);\n  }\n\n  private removeElementChildren(): void {\n    for (const node of this.qrcElement.nativeElement.childNodes) {\n      this.renderer.removeChild(this.qrcElement.nativeElement, node);\n    }\n  }\n}\n"]}