csv take 4

lib/edl-utils.ts

@@ -12,6 +12,35 @@ export interface EdlImportRow {
   existingShotId?: string;
 }
 
+/** Parse a single CSV line, handling quoted fields and escaped double-quotes. */
+function parseCsvLine(line: string): string[] {
+  const result: string[] = [];
+  let current = "";
+  let inQuotes = false;
+  for (let i = 0; i < line.length; i++) {
+    const ch = line[i];
+    if (inQuotes) {
+      if (ch === '"') {
+        if (line[i + 1] === '"') { current += '"'; i++; } // escaped ""
+        else { inQuotes = false; }
+      } else {
+        current += ch;
+      }
+    } else {
+      if (ch === '"') {
+        inQuotes = true;
+      } else if (ch === ',') {
+        result.push(current.trim());
+        current = "";
+      } else {
+        current += ch;
+      }
+    }
+  }
+  result.push(current.trim());
+  return result;
+}
+
 /**
  * Parse a VFX pull CSV into import rows.
  * Output Name format: {showId}_{episode}_{scene}_{shot}_BG01_TT_v001
@@ -22,9 +51,7 @@ export function parseEdlCsv(csvText: string): { rows: EdlImportRow[]; errors: st
   const lines = csvText.split(/\r?\n/).map((l) => l.trim()).filter(Boolean);
   if (lines.length < 2) return { rows: [], errors: ["CSV must have a header row and at least one data row"] };
 
-  const unquote = (s: string) => s.replace(/^"|"$/g, "").trim();
-
-  const rawHeaders = lines[0].split(",").map(unquote).map((h) => h.toLowerCase());
+  const rawHeaders = parseCsvLine(lines[0]).map((h) => h.toLowerCase());
   const col = (name: string) => rawHeaders.indexOf(name);
 
   const outNameIdx = col("output name");
@@ -41,7 +68,7 @@ export function parseEdlCsv(csvText: string): { rows: EdlImportRow[]; errors: st
   const errors: string[] = [];
 
   for (let i = 1; i < lines.length; i++) {
-    const cells = lines[i].match(/("(?:[^"]|"")*"|[^,]*)/g)?.map(unquote) ?? [];
+    const cells = parseCsvLine(lines[i]);
     const get = (idx: number) => (idx !== -1 ? cells[idx] ?? "" : "");
 
     const outputName = get(outNameIdx);