planning

node_modules/remark-stringify/lib/visitors/strong.js

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+'use strict'
+
+var repeat = require('repeat-string')
+
+module.exports = strong
+
+// Stringify a `strong`.
+//
+// The marker used is configurable by `strong`, which defaults to an asterisk
+// (`'*'`) but also accepts an underscore (`'_'`):
+//
+// ```markdown
+// __foo__
+// ```
+function strong(node) {
+  var marker = repeat(this.options.strong, 2)
+  return marker + this.all(node).join('') + marker
+}