node_modules ignore

server/node_modules/markdown-it-emoji/lib/normalize_opts.js

@@ -0,0 +1,67 @@
+// Convert input options to more useable format
+// and compile search regexp
+
+'use strict';
+
+
+function quoteRE(str) {
+  return str.replace(/[.?*+^$[\]\\(){}|-]/g, '\\$&');
+}
+
+
+module.exports = function normalize_opts(options) {
+  var emojies = options.defs,
+      shortcuts;
+
+  // Filter emojies by whitelist, if needed
+  if (options.enabled.length) {
+    emojies = Object.keys(emojies).reduce(function (acc, key) {
+      if (options.enabled.indexOf(key) >= 0) {
+        acc[key] = emojies[key];
+      }
+      return acc;
+    }, {});
+  }
+
+  // Flatten shortcuts to simple object: { alias: emoji_name }
+  shortcuts = Object.keys(options.shortcuts).reduce(function (acc, key) {
+    // Skip aliases for filtered emojies, to reduce regexp
+    if (!emojies[key]) { return acc; }
+
+    if (Array.isArray(options.shortcuts[key])) {
+      options.shortcuts[key].forEach(function (alias) {
+        acc[alias] = key;
+      });
+      return acc;
+    }
+
+    acc[options.shortcuts[key]] = key;
+    return acc;
+  }, {});
+
+  var keys = Object.keys(emojies),
+      names;
+
+  // If no definitions are given, return empty regex to avoid replacements with 'undefined'.
+  if (keys.length === 0) {
+    names = '^$';
+  } else {
+    // Compile regexp
+    names = keys
+      .map(function (name) { return ':' + name + ':'; })
+      .concat(Object.keys(shortcuts))
+      .sort()
+      .reverse()
+      .map(function (name) { return quoteRE(name); })
+      .join('|');
+  }
+  var scanRE = RegExp(names);
+  var replaceRE = RegExp(names, 'g');
+
+  return {
+    defs: emojies,
+    shortcuts: shortcuts,
+    scanRE: scanRE,
+    replaceRE: replaceRE
+  };
+};