56 lines
1.7 KiB
TypeScript
56 lines
1.7 KiB
TypeScript
/**
|
||
* 解析 Markdown 内容
|
||
* @param {String} from
|
||
* @param {Number} max_line 最大行数，默认500
|
||
* @returns {HTMLDivElement}
|
||
* @deprecated
|
||
*/
|
||
export default function mdParse(from: string, max_line?: number): HTMLElement {
|
||
max_line = max_line || 500;
|
||
const base = document.createElement('div');
|
||
let lines = from.split('\n');
|
||
if (lines.length > max_line) {
|
||
lines = lines.slice(0, max_line);
|
||
lines.push("...");
|
||
}
|
||
|
||
let prev = '';
|
||
let child_cont;
|
||
lines.forEach(line => {
|
||
if (line.trim() === '') return;
|
||
let node;
|
||
let spl = line.split(' ');
|
||
let md_flag = spl[0];
|
||
|
||
switch (md_flag) {
|
||
// 标题
|
||
case '#':
|
||
case '##':
|
||
case '###':
|
||
if (prev === 'li') {
|
||
child_cont = null;
|
||
}
|
||
prev = 'h' + (md_flag.length + 1);
|
||
node = document.createElement(prev);
|
||
node.innerText = line.slice(md_flag.length + 1);
|
||
base.append(node);
|
||
return;
|
||
// 列表
|
||
case '-':
|
||
if (prev !== 'li') {
|
||
child_cont = document.createElement('ul');
|
||
if (!base.contains(child_cont)) base.append(child_cont);
|
||
}
|
||
prev = 'li';
|
||
node = document.createElement(prev);
|
||
node.innerText = line.slice(2);
|
||
child_cont.append(node);
|
||
return;
|
||
}
|
||
prev = 'p';
|
||
node = document.createElement(prev);
|
||
node.innerText = line.trim();
|
||
base.append(node);
|
||
})
|
||
return base;
|
||
} |