From c2aa7bf38fb30de2d04f87f8e7780e4c768ae6b1 Mon Sep 17 00:00:00 2001 From: Minteck Date: Thu, 20 Jan 2022 13:43:34 +0100 Subject: Initial commit --- .../markdown-it/lib/rules_inline/text_collapse.js | 41 ++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 node_modules/markdown-it/lib/rules_inline/text_collapse.js (limited to 'node_modules/markdown-it/lib/rules_inline/text_collapse.js') diff --git a/node_modules/markdown-it/lib/rules_inline/text_collapse.js b/node_modules/markdown-it/lib/rules_inline/text_collapse.js new file mode 100644 index 0000000..390b0fe --- /dev/null +++ b/node_modules/markdown-it/lib/rules_inline/text_collapse.js @@ -0,0 +1,41 @@ +// Clean up tokens after emphasis and strikethrough postprocessing: +// merge adjacent text nodes into one and re-calculate all token levels +// +// This is necessary because initially emphasis delimiter markers (*, _, ~) +// are treated as their own separate text tokens. Then emphasis rule either +// leaves them as text (needed to merge with adjacent text) or turns them +// into opening/closing tags (which messes up levels inside). +// +'use strict'; + + +module.exports = function text_collapse(state) { + var curr, last, + level = 0, + tokens = state.tokens, + max = state.tokens.length; + + for (curr = last = 0; curr < max; curr++) { + // re-calculate levels after emphasis/strikethrough turns some text nodes + // into opening/closing tags + if (tokens[curr].nesting < 0) level--; // closing tag + tokens[curr].level = level; + if (tokens[curr].nesting > 0) level++; // opening tag + + if (tokens[curr].type === 'text' && + curr + 1 < max && + tokens[curr + 1].type === 'text') { + + // collapse two adjacent text nodes + tokens[curr + 1].content = tokens[curr].content + tokens[curr + 1].content; + } else { + if (curr !== last) { tokens[last] = tokens[curr]; } + + last++; + } + } + + if (curr !== last) { + tokens.length = last; + } +}; -- cgit