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: / proc / self / root / usr / share / grafana / public / app / core / components / SVG /

Filename : utils.ts

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import { v4 as uuidv4 } from 'uuid';

const MATCH_ID_INDEX = 2;
const SVG_ID_INSERT_POS = 5;

export const getSvgStyle = (svgCode: string) => {
  const svgStyle = svgCode.match(new RegExp('<style type="text/css">([\\s\\S]*?)<\\/style>'));
  return svgStyle ? svgStyle[0] : null;
};

export const getSvgId = (svgCode: string) => {
  return svgCode.match(new RegExp('<svg.*id\\s*=\\s*([\'"])(.*?)\\1'))?.[MATCH_ID_INDEX];
};

export const svgStyleCleanup = (svgCode: string) => {
  let svgId = getSvgId(svgCode);
  if (!svgId) {
    svgId = `x${uuidv4()}`;
    const pos = svgCode.indexOf('<svg') + SVG_ID_INSERT_POS;
    svgCode = svgCode.substring(0, pos) + `id="${svgId}" ` + svgCode.substring(pos);
  }

  let svgStyle = getSvgStyle(svgCode);
  if (svgStyle) {
    let replacedId = svgStyle.replace(/(#(.*?))?\./g, `#${svgId} .`);
    svgCode = svgCode.replace(svgStyle, replacedId);
  }

  return svgCode;
};