🐛 fix #320

Vanessa219 · Apr 17, 2020 · ad63020 · ad63020
1 parent 08e5530
commit ad63020
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Showing 2 changed files with 12 additions and 1 deletion.
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -61,6 +61,7 @@
 
 ### v3.1.12 / 2020-04-17
 
+* [320](https://github.com/Vanessa219/vditor/issues/320) 代码区点击复制代码时自动去掉行号 `修复缺陷`
 * [314](https://github.com/Vanessa219/vditor/issues/314) 添加图片懒加载设置 `引入特性`
 * [319](https://github.com/Vanessa219/vditor/issues/319) add ctrl+shift+e button to toolbar for smartphone `改进功能`
 * [312](https://github.com/Vanessa219/vditor/issues/312) 支持块级元素上下移动 `引入特性`

diff --git a/src/ts/markdown/codeRender.ts b/src/ts/markdown/codeRender.ts
@@ -18,6 +18,16 @@ export const codeRender = (element: HTMLElement, lang: (keyof II18nLang) = "zh_C
             return;
         }
 
+        let codeText = e.innerText;
+        if (e.classList.contains("highlight-chroma")) {
+            const codeElement = document.createElement("code");
+            codeElement.innerHTML = e.innerHTML;
+            codeElement.querySelectorAll(".highlight-ln").forEach((item: HTMLElement) => {
+                item.remove();
+            });
+            codeText = codeElement.innerText;
+        }
+
         const divElement = document.createElement("div");
         divElement.className = "vditor-copy";
         divElement.innerHTML = `<span aria-label="${i18n[lang].copy}"
@@ -26,7 +36,7 @@ class="vditor-tooltipped vditor-tooltipped__w"
 onclick="this.previousElementSibling.select();document.execCommand('copy');` +
             `this.setAttribute('aria-label', '${i18n[lang].copied}')">${copySVG}</span>`;
         const textarea = document.createElement("textarea");
-        textarea.value = code160to32(e.innerText);
+        textarea.value = code160to32(codeText);
         divElement.insertAdjacentElement("afterbegin", textarea);
 
         e.before(divElement);