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Turndown: support parsing table without head

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This commit is contained in:
Le Tan 2018-09-02 20:40:58 +08:00
parent d66fd7c1c5
commit a7bdcf4d54
2 changed files with 39 additions and 6 deletions
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6
src/resources/markdown_template.js
View File

@ -1505,7 +1505,8 @@ var htmlToText = function(identifier, id, timeStamp, html) {
return result; return result;
}; };
var gfm = turndownPluginGfm.gfm turndownPluginGfm.options.autoHead = true;
var ts = new TurndownService({ headingStyle: 'atx', var ts = new TurndownService({ headingStyle: 'atx',
bulletListMarker: '-', bulletListMarker: '-',
emDelimiter: '*', emDelimiter: '*',
@ -1519,7 +1520,8 @@ var htmlToText = function(identifier, id, timeStamp, html) {
return node.isBlock ? '\n\n' : '' return node.isBlock ? '\n\n' : ''
} }
}); });
ts.use(gfm); ts.use(turndownPluginGfm.gfm);
ts.addRule('emspan', { ts.addRule('emspan', {
filter: 'span', filter: 'span',
replacement: function(content, node, options) { replacement: function(content, node, options) {

39
src/utils/turndown/turndown-plugin-gfm.js
View File

@ -39,6 +39,7 @@ function strikethrough (turndownService) {
var indexOf = Array.prototype.indexOf; var indexOf = Array.prototype.indexOf;
var every = Array.prototype.every; var every = Array.prototype.every;
var rules = {}; var rules = {};
var configs = { autoHead: false };
rules.tableCell = { rules.tableCell = {
filter: ['th', 'td'], filter: ['th', 'td'],
@ -64,7 +65,26 @@ rules.tableRow = {
borderCells += cell(border, node.childNodes[i]); borderCells += cell(border, node.childNodes[i]);
} }
} else if (configs.autoHead && isFirstRow(node)) {
var fakeHead = '';
for (var i = 0; i < node.childNodes.length; i++) {
// Add a fake head.
fakeHead += cell('<br>', node.childNodes[i]);
var border = '---';
var align = (
node.childNodes[i].getAttribute('align') || ''
).toLowerCase();
if (align) border = alignMap[align] || border;
borderCells += cell(border, node.childNodes[i]);
}
return '\n' + fakeHead + '\n' + borderCells + '\n' + content;
} }
return '\n' + content + (borderCells ? '\n' + borderCells : '') return '\n' + content + (borderCells ? '\n' + borderCells : '')
} }
}; };
@ -73,7 +93,8 @@ rules.table = {
// Only convert tables with a heading row. // Only convert tables with a heading row.
// Tables with no heading row are kept using `keep` (see below). // Tables with no heading row are kept using `keep` (see below).
filter: function (node) { filter: function (node) {
return node.nodeName === 'TABLE' && isHeadingRow(node.rows[0]) return node.nodeName === 'TABLE'
&& (configs.autoHead || isHeadingRow(node.rows[0]))
}, },
replacement: function (content) { replacement: function (content) {
@ -90,6 +111,12 @@ rules.tableSection = {
} }
}; };
function isFirstRow (tr) {
var parentNode = tr.parentNode;
return parentNode.firstChild === tr
&& (parentNode.nodeName === 'TABLE' || isFirstTbody(parentNode));
}
// A tr is a heading row if: // A tr is a heading row if:
// - the parent is a THEAD // - the parent is a THEAD
// - or if its the first child of the TABLE or the first TBODY (possibly // - or if its the first child of the TABLE or the first TBODY (possibly
@ -128,9 +155,12 @@ function cell (content, node) {
} }
function tables (turndownService) { function tables (turndownService) {
turndownService.keep(function (node) { if (!configs.autoHead) {
return node.nodeName === 'TABLE' && !isHeadingRow(node.rows[0]) turndownService.keep(function (node) {
}); return node.nodeName === 'TABLE' && !isHeadingRow(node.rows[0])
});
}
for (var key in rules) turndownService.addRule(key, rules[key]); for (var key in rules) turndownService.addRule(key, rules[key]);
} }
@ -159,6 +189,7 @@ exports.highlightedCodeBlock = highlightedCodeBlock;
exports.strikethrough = strikethrough; exports.strikethrough = strikethrough;
exports.tables = tables; exports.tables = tables;
exports.taskListItems = taskListItems; exports.taskListItems = taskListItems;
exports.options = configs;
return exports; return exports;