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92 lines
2.3 KiB
JavaScript
92 lines
2.3 KiB
JavaScript
// see: https://github.com/markdown-it/markdown-it/issues/375
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//
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// we use a custom paragraph rule cause we have to signal when a
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// link starts with a space, so we can bypass a onebox
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// this is a freedom patch, so careful, may break on updates
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function paragraph(state, startLine /*, endLine*/) {
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let content,
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terminate,
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i,
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l,
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token,
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oldParentType,
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nextLine = startLine + 1,
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terminatorRules = state.md.block.ruler.getRules("paragraph"),
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endLine = state.lineMax,
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hasLeadingSpace = false;
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oldParentType = state.parentType;
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state.parentType = "paragraph";
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// jump line-by-line until empty one or EOF
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for (; nextLine < endLine && !state.isEmpty(nextLine); nextLine++) {
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// this would be a code block normally, but after paragraph
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// it's considered a lazy continuation regardless of what's there
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if (state.sCount[nextLine] - state.blkIndent > 3) {
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continue;
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}
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// quirk for blockquotes, this line should already be checked by that rule
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if (state.sCount[nextLine] < 0) {
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continue;
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}
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// Some tags can terminate paragraph without empty line.
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terminate = false;
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for (i = 0, l = terminatorRules.length; i < l; i++) {
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if (terminatorRules[i](state, nextLine, endLine, true)) {
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terminate = true;
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break;
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}
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}
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if (terminate) {
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break;
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}
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}
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// START CUSTOM CODE
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content = state.getLines(startLine, nextLine, state.blkIndent, false);
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i = 0;
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let contentLength = content.length;
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while (i < contentLength) {
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let chr = content.charCodeAt(i);
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if (chr === 0x0a) {
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hasLeadingSpace = false;
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} else if (state.md.utils.isWhiteSpace(chr)) {
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hasLeadingSpace = true;
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} else {
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break;
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}
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i++;
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}
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content = content.trim();
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// END CUSTOM CODE
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state.line = nextLine;
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token = state.push("paragraph_open", "p", 1);
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token.map = [startLine, state.line];
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// CUSTOM
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token.leading_space = hasLeadingSpace;
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token = state.push("inline", "", 0);
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token.content = content;
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token.map = [startLine, state.line];
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token.children = [];
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// CUSTOM
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token.leading_space = hasLeadingSpace;
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state.push("paragraph_close", "p", -1);
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state.parentType = oldParentType;
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return true;
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}
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export function setup(helper) {
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helper.registerPlugin((md) => {
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md.block.ruler.at("paragraph", paragraph);
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});
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}
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