Modernize codebase

- Use ES modules
- Remove vendored libs and build them from npm using esbuild
- Switch from JSZip to zip.js

1 files changed, 0 insertions, 16 deletions

diff --git a/ext/lib/ucs2length.js b/ext/lib/ucs2length.js
deleted file mode 100644
index 120a64d4..00000000
--- a/ext/lib/ucs2length.js
+++ /dev/null
@@ -1,16 +0,0 @@
-export default function ucs2length(str) {
-    const len = str.length;
-    let length = 0;
-    let pos = 0;
-    let value;
-    while (pos < len) {
-        length++;
-        value = str.charCodeAt(pos++);
-        if (value >= 0xd800 && value <= 0xdbff && pos < len) {
-            // high surrogate, and there is a next character
-            value = str.charCodeAt(pos);
-            if ((value & 0xfc00) === 0xdc00) pos++; // low surrogate
-        }
-    }
-    return length;
-}