ngx-letters-avatar
Version:
Angular package that generates avatar with the initial letters of the provided name
100 lines • 13.1 kB
JavaScript
import { __decorate } from "tslib";
import { Component, Input } from '@angular/core';
let LettersAvatarComponent = class LettersAvatarComponent {
constructor() {
this.avatarName = "";
this.className = "";
this.fontFamily = "arial";
this.circular = false;
}
ngOnInit() {
if (!this.width && !this.height)
this.width = 60;
}
ngAfterViewInit() {
this.drawAvatar();
}
drawAvatar() {
let image = document.getElementById("avatar-img"), name = this.avatarName;
image.id = this.id ? this.id : this.avatarName.replace(/\s/g, "") + "Avatar";
image.setAttribute('alt', `${name} avatar`);
image.setAttribute('width', `${this.width ? this.width : this.height}px`);
image.setAttribute('height', `${this.height ? this.height : this.width}px`);
image.setAttribute('class', this.className);
if (this.circular)
image.style.borderRadius = "50%";
if (this.borderRadius)
image.style.borderRadius = `${this.borderRadius}px`;
if (this.src)
image.setAttribute('src', this.src);
else
image.setAttribute('src', this.createCanvasURI(name));
}
createCanvasURI(name = "") {
let colours = [
"#1abc9c", "#2ecc71", "#3498db", "#9b59b6", "#34495e",
"#f7ca18", "#f15a22", "#1ba39c", "#2abb9b", "#1f3a93",
"#96281b", "#e67e22", "#e74c3c", "#ecf0f1", "#95a5a6",
"#f39c12", "#d35400", "#c0392b", "#22a7f0", "#2c3e50"
], nameSplit = String(name).toUpperCase().split(' '), size = this.width, initials, charIndex, colourIndex, canvas, context, dataURI;
if (nameSplit.length < 2)
initials = nameSplit[0] ? nameSplit[0].charAt(0) : '?';
else
initials = nameSplit[0].charAt(0) + nameSplit[1].charAt(0);
if (window.devicePixelRatio)
size = size * window.devicePixelRatio;
charIndex = (initials == '?' ? 72 : initials.charCodeAt(0)) - 64;
colourIndex = charIndex % 20;
canvas = document.createElement('canvas');
canvas.width = size;
canvas.height = size;
context = canvas.getContext("2d");
context.fillStyle = colours[colourIndex - 1];
context.fillRect(0, 0, canvas.width, canvas.height);
context.font = `${Math.round(canvas.width / 2.7)}px ${this.fontFamily}`;
context.textAlign = "center";
context.fillStyle = "#FFF";
context.textBaseline = "middle";
initials = initials.split("").join(String.fromCharCode(8202));
context.fillText(initials, size / 2, size / 1.85);
dataURI = canvas.toDataURL();
canvas = null;
return dataURI;
}
};
__decorate([
Input('width')
], LettersAvatarComponent.prototype, "width", void 0);
__decorate([
Input('height')
], LettersAvatarComponent.prototype, "height", void 0);
__decorate([
Input('avatarName')
], LettersAvatarComponent.prototype, "avatarName", void 0);
__decorate([
Input('src')
], LettersAvatarComponent.prototype, "src", void 0);
__decorate([
Input('className')
], LettersAvatarComponent.prototype, "className", void 0);
__decorate([
Input('fontFamily')
], LettersAvatarComponent.prototype, "fontFamily", void 0);
__decorate([
Input('circular')
], LettersAvatarComponent.prototype, "circular", void 0);
__decorate([
Input('borderRadius')
], LettersAvatarComponent.prototype, "borderRadius", void 0);
__decorate([
Input('id')
], LettersAvatarComponent.prototype, "id", void 0);
LettersAvatarComponent = __decorate([
Component({
selector: 'ngx-letters-avatar',
template: "<img id=\"avatar-img\">",
styles: [":host{display:inline-flex}"]
})
], LettersAvatarComponent);
export { LettersAvatarComponent };
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this.id : this.avatarName.replace(/\\s/g, \"\") + \"Avatar\";\n    image.setAttribute('alt', `${name} avatar`);\n    image.setAttribute('width', `${this.width ? this.width : this.height}px`);\n    image.setAttribute('height', `${this.height ? this.height : this.width}px`);\n    image.setAttribute('class', this.className);\n    if (this.circular) image.style.borderRadius = \"50%\";\n    if (this.borderRadius) image.style.borderRadius = `${this.borderRadius}px`;\n    if (this.src) image.setAttribute('src', this.src);\n    else image.setAttribute('src', this.createCanvasURI(name));\n  }\n\n  createCanvasURI(name = \"\") {\n    let colours = [\n      \"#1abc9c\", \"#2ecc71\", \"#3498db\", \"#9b59b6\", \"#34495e\",\n      \"#f7ca18\", \"#f15a22\", \"#1ba39c\", \"#2abb9b\", \"#1f3a93\",\n      \"#96281b\", \"#e67e22\", \"#e74c3c\", \"#ecf0f1\", \"#95a5a6\",\n      \"#f39c12\", \"#d35400\", \"#c0392b\", \"#22a7f0\", \"#2c3e50\"\n    ],\n      nameSplit = String(name).toUpperCase().split(' '),\n      size = this.width, initials, charIndex, colourIndex, canvas, context, dataURI;\n\n\n    if (nameSplit.length < 2) initials = nameSplit[0] ? nameSplit[0].charAt(0) : '?';\n    else initials = nameSplit[0].charAt(0) + nameSplit[1].charAt(0);\n\n    if (window.devicePixelRatio) size = size * window.devicePixelRatio;\n\n    charIndex = (initials == '?' ? 72 : initials.charCodeAt(0)) - 64;\n    colourIndex = charIndex % 20;\n    canvas = document.createElement('canvas');\n    canvas.width = size;\n    canvas.height = size;\n    context = canvas.getContext(\"2d\");\n\n    context.fillStyle = colours[colourIndex - 1];\n    context.fillRect(0, 0, canvas.width, canvas.height);\n    context.font = `${Math.round(canvas.width / 2.7)}px ${this.fontFamily}`;\n    context.textAlign = \"center\";\n    context.fillStyle = \"#FFF\";\n    context.textBaseline = \"middle\";\n\n    initials = initials.split(\"\").join(String.fromCharCode(8202))\n    context.fillText(initials, size / 2, size / 1.85);\n\n    dataURI = canvas.toDataURL();\n    canvas = null;\n\n    return dataURI;\n  }\n\n}\n"]}