planning

node_modules/mdast-util-to-markdown/lib/handle/code.js

@@ -0,0 +1,64 @@
+module.exports = code
+
+var repeat = require('repeat-string')
+var streak = require('longest-streak')
+var formatCodeAsIndented = require('../util/format-code-as-indented')
+var checkFence = require('../util/check-fence')
+var indentLines = require('../util/indent-lines')
+var safe = require('../util/safe')
+
+function code(node, _, context) {
+  var marker = checkFence(context)
+  var raw = node.value || ''
+  var suffix = marker === '`' ? 'GraveAccent' : 'Tilde'
+  var value
+  var sequence
+  var exit
+  var subexit
+
+  if (formatCodeAsIndented(node, context)) {
+    exit = context.enter('codeIndented')
+    value = indentLines(raw, map)
+  } else {
+    sequence = repeat(marker, Math.max(streak(raw, marker) + 1, 3))
+    exit = context.enter('codeFenced')
+    value = sequence
+
+    if (node.lang) {
+      subexit = context.enter('codeFencedLang' + suffix)
+      value += safe(context, node.lang, {
+        before: '`',
+        after: ' ',
+        encode: ['`']
+      })
+      subexit()
+    }
+
+    if (node.lang && node.meta) {
+      subexit = context.enter('codeFencedMeta' + suffix)
+      value +=
+        ' ' +
+        safe(context, node.meta, {
+          before: ' ',
+          after: '\n',
+          encode: ['`']
+        })
+      subexit()
+    }
+
+    value += '\n'
+
+    if (raw) {
+      value += raw + '\n'
+    }
+
+    value += sequence
+  }
+
+  exit()
+  return value
+}
+
+function map(line, _, blank) {
+  return (blank ? '' : '    ') + line
+}