acud/lib/watermark/utils.js

acg react 组件库

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.getPixelRatio = getPixelRatio;
exports.getStyleStr = getStyleStr;
exports.reRendering = void 0;
exports.toLowercaseSeparator = toLowercaseSeparator;
/** converting camel-cased strings to be lowercase and link it with Separato */
function toLowercaseSeparator(key) {
  return key.replace(/([A-Z])/g, '-$1').toLowerCase();
}
/**
 * 获取样式字符串
 *
 * @param style - 样式对象，React 的 CSSProperties 类型
 * @returns 返回样式字符串
 */
function getStyleStr(style) {
  return Object.keys(style).map(function (key) {
    return "".concat(toLowercaseSeparator(key), ": ").concat(style[key], ";");
  }).join(' ');
}
/** Returns the ratio of the device's physical pixel resolution to the css pixel resolution */
function getPixelRatio() {
  return window.devicePixelRatio || 1;
}
/** Whether to re-render the watermark */
var reRendering = exports.reRendering = function reRendering(mutation, isWatermarkEle) {
  var flag = false;
  // Whether to delete the watermark node
  if (mutation.removedNodes.length) {
    flag = Array.from(mutation.removedNodes).some(function (node) {
      return isWatermarkEle(node);
    });
  }
  // Whether the watermark dom property value has been modified
  if (mutation.type === 'attributes' && isWatermarkEle(mutation.target)) {
    flag = true;
  }
  return flag;
};