1 files changed, 0 insertions, 157 deletions
diff --git a/node_modules/saslprep/index.js b/node_modules/saslprep/index.js
deleted file mode 100644
index 21bb0fe..0000000
--- a/node_modules/saslprep/index.js
+++ /dev/null
@@ -1,157 +0,0 @@
-'use strict';
-
-const {
-  unassigned_code_points,
-  commonly_mapped_to_nothing,
-  non_ASCII_space_characters,
-  prohibited_characters,
-  bidirectional_r_al,
-  bidirectional_l,
-} = require('./lib/memory-code-points');
-
-module.exports = saslprep;
-
-// 2.1.  Mapping
-
-/**
- * non-ASCII space characters [StringPrep, C.1.2] that can be
- * mapped to SPACE (U+0020)
- */
-const mapping2space = non_ASCII_space_characters;
-
-/**
- * the "commonly mapped to nothing" characters [StringPrep, B.1]
- * that can be mapped to nothing.
- */
-const mapping2nothing = commonly_mapped_to_nothing;
-
-// utils
-const getCodePoint = character => character.codePointAt(0);
-const first = x => x[0];
-const last = x => x[x.length - 1];
-
-/**
- * Convert provided string into an array of Unicode Code Points.
- * Based on https://stackoverflow.com/a/21409165/1556249
- * and https://www.npmjs.com/package/code-point-at.
- * @param {string} input
- * @returns {number[]}
- */
-function toCodePoints(input) {
-  const codepoints = [];
-  const size = input.length;
-
-  for (let i = 0; i < size; i += 1) {
-    const before = input.charCodeAt(i);
-
-    if (before >= 0xd800 && before <= 0xdbff && size > i + 1) {
-      const next = input.charCodeAt(i + 1);
-
-      if (next >= 0xdc00 && next <= 0xdfff) {
-        codepoints.push((before - 0xd800) * 0x400 + next - 0xdc00 + 0x10000);
-        i += 1;
-        continue;
-      }
-    }
-
-    codepoints.push(before);
-  }
-
-  return codepoints;
-}
-
-/**
- * SASLprep.
- * @param {string} input
- * @param {Object} opts
- * @param {boolean} opts.allowUnassigned
- * @returns {string}
- */
-function saslprep(input, opts = {}) {
-  if (typeof input !== 'string') {
-    throw new TypeError('Expected string.');
-  }
-
-  if (input.length === 0) {
-    return '';
-  }
-
-  // 1. Map
-  const mapped_input = toCodePoints(input)
-    // 1.1 mapping to space
-    .map(character => (mapping2space.get(character) ? 0x20 : character))
-    // 1.2 mapping to nothing
-    .filter(character => !mapping2nothing.get(character));
-
-  // 2. Normalize
-  const normalized_input = String.fromCodePoint
-    .apply(null, mapped_input)
-    .normalize('NFKC');
-
-  const normalized_map = toCodePoints(normalized_input);
-
-  // 3. Prohibit
-  const hasProhibited = normalized_map.some(character =>
-    prohibited_characters.get(character)
-  );
-
-  if (hasProhibited) {
-    throw new Error(
-      'Prohibited character, see https://tools.ietf.org/html/rfc4013#section-2.3'
-    );
-  }
-
-  // Unassigned Code Points
-  if (opts.allowUnassigned !== true) {
-    const hasUnassigned = normalized_map.some(character =>
-      unassigned_code_points.get(character)
-    );
-
-    if (hasUnassigned) {
-      throw new Error(
-        'Unassigned code point, see https://tools.ietf.org/html/rfc4013#section-2.5'
-      );
-    }
-  }
-
-  // 4. check bidi
-
-  const hasBidiRAL = normalized_map.some(character =>
-    bidirectional_r_al.get(character)
-  );
-
-  const hasBidiL = normalized_map.some(character =>
-    bidirectional_l.get(character)
-  );
-
-  // 4.1 If a string contains any RandALCat character, the string MUST NOT
-  // contain any LCat character.
-  if (hasBidiRAL && hasBidiL) {
-    throw new Error(
-      'String must not contain RandALCat and LCat at the same time,' +
-        ' see https://tools.ietf.org/html/rfc3454#section-6'
-    );
-  }
-
-  /**
-   * 4.2 If a string contains any RandALCat character, a RandALCat
-   * character MUST be the first character of the string, and a
-   * RandALCat character MUST be the last character of the string.
-   */
-
-  const isFirstBidiRAL = bidirectional_r_al.get(
-    getCodePoint(first(normalized_input))
-  );
-  const isLastBidiRAL = bidirectional_r_al.get(
-    getCodePoint(last(normalized_input))
-  );
-
-  if (hasBidiRAL && !(isFirstBidiRAL && isLastBidiRAL)) {
-    throw new Error(
-      'Bidirectional RandALCat character must be the first and the last' +
-        ' character of the string, see https://tools.ietf.org/html/rfc3454#section-6'
-    );
-  }
-
-  return normalized_input;
-}