2 files changed, 63 insertions, 0 deletions
diff --git a/node_modules/postcss-discard-comments/src/lib/commentParser.js b/node_modules/postcss-discard-comments/src/lib/commentParser.js
new file mode 100644
index 00000000..a8834701
--- /dev/null
+++ b/node_modules/postcss-discard-comments/src/lib/commentParser.js
@@ -0,0 +1,31 @@
+'use strict';
+
+/**
+ * @param {string} input
+ * @return {[number, number, number][]}
+ */
+module.exports = function commentParser(input) {
+  /** @type [number, number, number][] */
+  const tokens = [];
+  const length = input.length;
+  let pos = 0;
+  let next;
+
+  while (pos < length) {
+    next = input.indexOf('/*', pos);
+
+    if (~next) {
+      tokens.push([0, pos, next]);
+      pos = next;
+
+      next = input.indexOf('*/', pos + 2);
+      tokens.push([1, pos + 2, next]);
+      pos = next + 2;
+    } else {
+      tokens.push([0, pos, length]);
+      pos = length;
+    }
+  }
+
+  return tokens;
+};
diff --git a/node_modules/postcss-discard-comments/src/lib/commentRemover.js b/node_modules/postcss-discard-comments/src/lib/commentRemover.js
new file mode 100644
index 00000000..6d0dd81b
--- /dev/null
+++ b/node_modules/postcss-discard-comments/src/lib/commentRemover.js
@@ -0,0 +1,32 @@
+'use strict';
+
+/** @param {import('../index.js').Options} options */
+function CommentRemover(options) {
+  this.options = options;
+}
+/**
+ * @param {string} comment
+ * @return {boolean | undefined}
+ */
+CommentRemover.prototype.canRemove = function (comment) {
+  const remove = this.options.remove;
+
+  if (remove) {
+    return remove(comment);
+  } else {
+    const isImportant = comment.indexOf('!') === 0;
+
+    if (!isImportant) {
+      return true;
+    }
+
+    if (this.options.removeAll || this._hasFirst) {
+      return true;
+    } else if (this.options.removeAllButFirst && !this._hasFirst) {
+      this._hasFirst = true;
+      return false;
+    }
+  }
+};
+
+module.exports = CommentRemover;