@kit-data-manager/pid-component
Version:
The PID-Component is a web component that can be used to evaluate and display FAIR Digital Objects, PIDs, ORCiDs, and possibly other identifiers in a user-friendly way. It is easily extensible to support other identifier types.
50 lines (49 loc) • 1.91 kB
JavaScript
/*!
*
* Copyright 2024 Karlsruhe Institute of Technology.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
export class HSLColor {
constructor(hue, sat, lum) {
this.hue = hue;
this.sat = sat;
this.lum = lum;
}
static async generateColor(text) {
if (window.crypto && window.crypto.subtle) {
const hashBuffer = await window.crypto.subtle.digest('SHA-256', new TextEncoder().encode(text));
const hashArray = Array.from(new Uint8Array(hashBuffer));
const hashHex = hashArray.map(b => b.toString(16).padStart(2, '0')).join('');
const hue = (parseInt(hashHex, 16) % 36000) / 100;
const lum = (parseInt(hashHex, 16) % 450) / 10;
const sat = (parseInt(hashHex, 16) % 250) / 10;
return new HSLColor(hue, 50 + sat, 30 + lum);
}
else {
const hexText = text
.split('')
.map(c => c.charCodeAt(0).toString(16))
.join('');
const hue = (parseInt(hexText, 36) % 36000) / 100;
const lum = (parseInt(hexText, 36) % 450) / 10;
const sat = (parseInt(hexText, 36) % 250) / 10;
return new HSLColor(hue, 50 + sat, 30 + lum);
}
}
toString() {
return `hsl(${this.hue}, ${this.sat}%, ${this.lum}%)`;
}
}
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