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fix: 重新渲染水印

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This commit is contained in:
ocean-gao 2022-05-10 18:40:14 +08:00
parent 86359cda40
commit d072693e7d
1 changed files with 6 additions and 3 deletions
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9
packages/fes-plugin-watermark/src/runtime/core.js
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@ -86,7 +86,8 @@ function _createWatermark(param) {
parseInt(fontSize) + 5 parseInt(fontSize) + 5
); );
const watermarkDiv = document.createElement('div'); let __wm = document.querySelector('.__wm');
const watermarkDiv = __wm || document.createElement('div');
const styleStr = ` const styleStr = `
position: ${container === document.body ? 'fixed' : 'absolute'}; position: ${container === document.body ? 'fixed' : 'absolute'};
user-select: none; user-select: none;
@ -102,12 +103,14 @@ function _createWatermark(param) {
watermarkDiv.setAttribute('style', styleStr); watermarkDiv.setAttribute('style', styleStr);
watermarkDiv.classList.add('__wm'); watermarkDiv.classList.add('__wm');
container.insertBefore(watermarkDiv, container.firstChild); if (!__wm) {
container.insertBefore(watermarkDiv, container.firstChild);
}
const MutationObserver = window.MutationObserver || window.WebKitMutationObserver; const MutationObserver = window.MutationObserver || window.WebKitMutationObserver;
if (MutationObserver) { if (MutationObserver) {
_wmMo = new MutationObserver(() => { _wmMo = new MutationObserver(() => {
const __wm = document.querySelector('.__wm'); __wm = document.querySelector('.__wm');
if ((__wm && __wm.getAttribute('style') !== styleStr) || !__wm) { if ((__wm && __wm.getAttribute('style') !== styleStr) || !__wm) {
// 避免一直触发 // 避免一直触发
_wmMo.disconnect(); _wmMo.disconnect();