el-beeswarm
Version:
<div style="display: flex; padding: 1rem; flex-direction: column; align-items: center; justify-content: center; height: 100vh; text-align: center; display: flex;
70 lines (57 loc) • 1.98 kB
JavaScript
module.exports = inlineCode
inlineCode.peek = inlineCodePeek
var patternCompile = require('../util/pattern-compile')
function inlineCode(node, parent, context) {
var value = node.value || ''
var sequence = '`'
var index = -1
var pattern
var expression
var match
var position
// If there is a single grave accent on its own in the code, use a fence of
// two.
// If there are two in a row, use one.
while (new RegExp('(^|[^`])' + sequence + '([^`]|$)').test(value)) {
sequence += '`'
}
// If this is not just spaces or eols (tabs don’t count), and either the
// first or last character are a space, eol, or tick, then pad with spaces.
if (
/[^ \r\n]/.test(value) &&
(/[ \r\n`]/.test(value.charAt(0)) ||
/[ \r\n`]/.test(value.charAt(value.length - 1)))
) {
value = ' ' + value + ' '
}
// We have a potential problem: certain characters after eols could result in
// blocks being seen.
// For example, if someone injected the string `'\n# b'`, then that would
// result in an ATX heading.
// We can’t escape characters in `inlineCode`, but because eols are
// transformed to spaces when going from markdown to HTML anyway, we can swap
// them out.
while (++index < context.unsafe.length) {
pattern = context.unsafe[index]
// Only look for `atBreak`s.
// Btw: note that `atBreak` patterns will always start the regex at LF or
// CR.
if (!pattern.atBreak) continue
expression = patternCompile(pattern)
while ((match = expression.exec(value))) {
position = match.index
// Support CRLF (patterns only look for one of the characters).
if (
value.charCodeAt(position) === 10 /* `\n` */ &&
value.charCodeAt(position - 1) === 13 /* `\r` */
) {
position--
}
value = value.slice(0, position) + ' ' + value.slice(match.index + 1)
}
}
return sequence + value + sequence
}
function inlineCodePeek() {
return '`'
}