1 files changed, 51 insertions, 0 deletions
diff --git a/node_modules/saslprep/generate-code-points.js b/node_modules/saslprep/generate-code-points.js
new file mode 100644
index 0000000..c5162ca
--- /dev/null
+++ b/node_modules/saslprep/generate-code-points.js
@@ -0,0 +1,51 @@
+'use strict';
+
+const bitfield = require('sparse-bitfield');
+const codePoints = require('./lib/code-points');
+
+const unassigned_code_points = bitfield();
+const commonly_mapped_to_nothing = bitfield();
+const non_ascii_space_characters = bitfield();
+const prohibited_characters = bitfield();
+const bidirectional_r_al = bitfield();
+const bidirectional_l = bitfield();
+
+/**
+ * Iterare over code points and
+ * convert it into an buffer.
+ * @param {bitfield} bits
+ * @param {Array} src
+ * @returns {Buffer}
+ */
+function traverse(bits, src) {
+  for (const code of src.keys()) {
+    bits.set(code, true);
+  }
+
+  const buffer = bits.toBuffer();
+  return Buffer.concat([createSize(buffer), buffer]);
+}
+
+/**
+ * @param {Buffer} buffer
+ * @returns {Buffer}
+ */
+function createSize(buffer) {
+  const buf = Buffer.alloc(4);
+  buf.writeUInt32BE(buffer.length);
+
+  return buf;
+}
+
+const memory = [];
+
+memory.push(
+  traverse(unassigned_code_points, codePoints.unassigned_code_points),
+  traverse(commonly_mapped_to_nothing, codePoints.commonly_mapped_to_nothing),
+  traverse(non_ascii_space_characters, codePoints.non_ASCII_space_characters),
+  traverse(prohibited_characters, codePoints.prohibited_characters),
+  traverse(bidirectional_r_al, codePoints.bidirectional_r_al),
+  traverse(bidirectional_l, codePoints.bidirectional_l)
+);
+
+process.stdout.write(Buffer.concat(memory));