issue.ts

import { Uri, TreeItem, TreeItemCollapsibleState, Command } from 'vscode';

interface Label {
  color: string;
  id: number;
  name: string;
  url: string;
}

export class Issue extends TreeItem {
    contextValue = 'issue';
    original_issue? : Issue;

  static createIssue(element: Issue) {
    let ret = new Issue(
        element.label,
        element.issueId,
        element.body,
        element.state,
        element.assignee,
        element.assignees,
        element.creator,
        element.labels,
        element.collapsibleState,
        element.title,
        element.html_url)
    ret.original_issue = element;
    return ret
  }

  constructor(
    public readonly label: string,
    public issueId: number,
    public body: string,
    public state: string,
    public assignee: string,
    public assignees: any[],
    public creator: string,
    public labels: Label[],
    public collapsibleState: TreeItemCollapsibleState,
    public title: string,
    public html_url: string,
    public command?: Command
  ) {
    super(label, collapsibleState);
    this.tooltip = this.label + ' - ' + this.assignee;
  }

  labelDependentIcon(dark: boolean = false): Uri {
    if (this.labels.length === 0) {
      return createIconWithColor('#868686');
    } else {
      return createIconWithColor(this.labels[0].color);
    }
  }

  iconPath = {
    light: this.labelDependentIcon(),
    dark: this.labelDependentIcon(true),
  };

}

export function createIconWithColor(color: string): Uri {
  const icon = `<svg width="32" height="32" viewBox="0 0 32 32" fill="none" xmlns="http://www.w3.org/2000/svg">
    <path d="M16 31.5C24.5604 31.5 31.5 24.5604 31.5 16C31.5 7.43959 24.5604 0.5 16 0.5C7.43959 0.5 0.5 7.43959 0.5 16C0.5 24.5604 7.43959 31.5 16 31.5Z" stroke="{{color}}"/>
    <path d="M19 6C19 4.34315 17.6569 3 16 3C14.3431 3 13 4.34315 13 6V20C13 21.6569 14.3431 23 16 23C17.6569 23 19 21.6569 19 20V6Z" fill="{{color}}"/>
    <path d="M16.5 24H15.5C14.1193 24 13 25.1193 13 26.5C13 27.8807 14.1193 29 15.5 29H16.5C17.8807 29 19 27.8807 19 26.5C19 25.1193 17.8807 24 16.5 24Z" fill="{{color}}"/>
    </svg>
    `.replace(new RegExp('{{color}}', 'g'), '#' + color);

  return Uri.parse('data:image/svg+xml;base64,' + Buffer.from(icon).toString('base64'));
}