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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,134 @@ | ||
| import {isCtrl} from "./compatibility"; | ||
| import {scrollCenter} from "./editorCommenEvent"; | ||
| import {getLastNode} from "./hasClosest"; | ||
| import {getSelectPosition, setRangeByWbr} from "./selection"; | ||
|
|
||
| export const isHrMD = (text: string) => { | ||
| // - _ * | ||
| const marker = text.trimRight().split("\n").pop(); | ||
| if (marker === "") { | ||
| return false; | ||
| } | ||
| if (marker.replace(/ |-/g, "") === "" | ||
| || marker.replace(/ |_/g, "") === "" | ||
| || marker.replace(/ |\*/g, "") === "") { | ||
| if (marker.replace(/ /g, "").length > 2) { | ||
| if (marker.indexOf("-") > -1 && marker.trimLeft().indexOf(" ") === -1 | ||
| && text.trimRight().split("\n").length > 1) { | ||
| // 满足 heading | ||
| return false; | ||
| } | ||
| if (marker.indexOf(" ") === 0 || marker.indexOf("\t") === 0) { | ||
| // 代码块 | ||
| return false; | ||
| } | ||
| return true; | ||
| } | ||
| return false; | ||
| } | ||
| return false; | ||
| }; | ||
|
|
||
| export const isHeadingMD = (text: string) => { | ||
| // - = | ||
| const textArray = text.trimRight().split("\n"); | ||
| text = textArray.pop(); | ||
|
|
||
| if (text.indexOf(" ") === 0 || text.indexOf("\t") === 0) { | ||
| return false; | ||
| } | ||
|
|
||
| text = text.trimLeft(); | ||
| if (text === "" || textArray.length === 0) { | ||
| return false; | ||
| } | ||
| if (text.replace(/-/g, "") === "" | ||
| || text.replace(/=/g, "") === "") { | ||
| return true; | ||
| } | ||
| return false; | ||
| }; | ||
|
|
||
| export const isToC = (text: string) => { | ||
| return text.trim().toLowerCase() === "[toc]"; | ||
| }; | ||
|
|
||
| export const renderToc = (editorElement: HTMLPreElement) => { | ||
| const tocElement = editorElement.querySelector('[data-type="toc-block"]'); | ||
| if (!tocElement) { | ||
| return; | ||
| } | ||
| let tocHTML = ""; | ||
| Array.from(editorElement.children).forEach((item: HTMLElement) => { | ||
| if (item.tagName.indexOf("H") === 0 && item.tagName.length === 2 && item.textContent.trim() !== "") { | ||
| const space = new Array((parseInt(item.tagName.substring(1), 10) - 1) * 2).fill(" ").join(""); | ||
| tocHTML += `${space}<span data-type="toc-h">${item.textContent.trim()}</span><br>`; | ||
| } | ||
| }); | ||
| tocElement.innerHTML = tocHTML || "[ToC]"; | ||
| }; | ||
|
|
||
| export const mdKeydown = (event: KeyboardEvent, vditor: IVditor, pElement: HTMLElement, range: Range, | ||
| afterRenderEvent: (vditor: IVditor) => void) => { | ||
| if (!isCtrl(event) && !event.altKey && event.key === "Enter") { | ||
| const pText = String.raw`${pElement.textContent}`.replace(/\\\|/g, "").trim(); | ||
| const pTextList = pText.split("|"); | ||
| if (pText.startsWith("|") && pText.endsWith("|") && pTextList.length > 3) { | ||
| // table 自动完成 | ||
| let tableHeaderMD = pTextList.map(() => "---").join("|"); | ||
| tableHeaderMD = | ||
| pElement.textContent + tableHeaderMD.substring(3, tableHeaderMD.length - 3) + "\n|<wbr>"; | ||
| pElement.outerHTML = vditor.lute.SpinVditorDOM(tableHeaderMD); | ||
| setRangeByWbr(vditor[vditor.currentMode].element, range); | ||
| afterRenderEvent(vditor); | ||
| scrollCenter(vditor[vditor.currentMode].element); | ||
| event.preventDefault(); | ||
| return true; | ||
| } | ||
|
|
||
| // hr 渲染 | ||
| if (isHrMD(pElement.innerHTML)) { | ||
| // 软换行后 hr 前有内容 | ||
| let pInnerHTML = ""; | ||
| const innerHTMLList = pElement.innerHTML.trimRight().split("\n"); | ||
| if (innerHTMLList.length > 1) { | ||
| innerHTMLList.pop(); | ||
| pInnerHTML = `<p data-block="0">${innerHTMLList.join("\n")}</p>`; | ||
| } | ||
|
|
||
| pElement.insertAdjacentHTML("afterend", | ||
| `${pInnerHTML}<hr data-block="0"><p data-block="0">\n<wbr></p>`); | ||
| pElement.remove(); | ||
| setRangeByWbr(vditor[vditor.currentMode].element, range); | ||
| afterRenderEvent(vditor); | ||
| scrollCenter(vditor[vditor.currentMode].element); | ||
| event.preventDefault(); | ||
| return true; | ||
| } | ||
|
|
||
| if (isHeadingMD(pElement.innerHTML)) { | ||
| // heading 渲染 | ||
| pElement.outerHTML = vditor.lute.SpinVditorDOM(pElement.innerHTML + '<p data-block="0">\n<wbr></p>'); | ||
| setRangeByWbr(vditor[vditor.currentMode].element, range); | ||
| afterRenderEvent(vditor); | ||
| scrollCenter(vditor[vditor.currentMode].element); | ||
| event.preventDefault(); | ||
| return true; | ||
| } | ||
| } | ||
|
|
||
| // 软换行会被切割 https://github.com/Vanessa219/vditor/issues/220 | ||
| if (pElement.previousElementSibling && event.key === "Backspace" && !isCtrl(event) && !event.altKey && | ||
| !event.shiftKey && pElement.textContent.trimRight().split("\n").length > 1 && | ||
| getSelectPosition(pElement, range).start === 0) { | ||
| const lastElement = getLastNode(pElement.previousElementSibling) as HTMLElement; | ||
| if (!lastElement.textContent.endsWith("\n")) { | ||
| lastElement.textContent = lastElement.textContent + "\n"; | ||
| } | ||
| lastElement.parentElement.insertAdjacentHTML("beforeend", `<wbr>${pElement.innerHTML}`); | ||
| pElement.remove(); | ||
| setRangeByWbr(vditor[vditor.currentMode].element, range); | ||
| return false; | ||
| } | ||
| return false; | ||
| }; |
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