feat(nuldoc): improve error classes

See also: https://www.wantedly.com/companies/wantedly/post_articles/492456

1 files changed, 17 insertions, 3 deletions

diff --git a/nuldoc-src/errors.ts b/nuldoc-src/errors.ts
index ab8052f..fa53583 100644
--- a/nuldoc-src/errors.ts
+++ b/nuldoc-src/errors.ts
@@ -1,3 +1,17 @@
-export class DocBookError extends Error {}
-export class SlideError extends Error {}
-export class XmlParseError extends Error {}
+export class DocBookError extends Error {
+  static {
+    this.prototype.name = "DocBookError";
+  }
+}
+
+export class SlideError extends Error {
+  static {
+    this.prototype.name = "SlideError";
+  }
+}
+
+export class XmlParseError extends Error {
+  static {
+    this.prototype.name = "XmlParseError";
+  }
+}