[Init] Initial commit - NetMesh terminal manager

domain/vaultImport/csvUtils.ts

@@ -0,0 +1,76 @@
+export const parseCsv = (text: string): string[][] => {
+  const rows: string[][] = [];
+  let row: string[] = [];
+  let field = "";
+  let inQuotes = false;
+
+  for (let i = 0; i < text.length; i++) {
+    const ch = text[i];
+    if (inQuotes) {
+      if (ch === '"') {
+        const next = text[i + 1];
+        if (next === '"') {
+          field += '"';
+          i++;
+        } else {
+          inQuotes = false;
+        }
+      } else {
+        field += ch;
+      }
+      continue;
+    }
+
+    if (ch === '"') {
+      inQuotes = true;
+      continue;
+    }
+
+    if (ch === ",") {
+      row.push(field);
+      field = "";
+      continue;
+    }
+
+    if (ch === "\r" || ch === "\n") {
+      if (ch === "\r" && text[i + 1] === "\n") i++;
+      row.push(field);
+      field = "";
+      rows.push(row);
+      row = [];
+      continue;
+    }
+
+    field += ch;
+  }
+
+  row.push(field);
+  rows.push(row);
+  return rows;
+};
+
+const normalizeHeaderKey = (raw: string): string => {
+  return raw
+    .trim()
+    .toLowerCase()
+    .replace(/[\s_-]+/g, "")
+    .replace(/[^\p{L}\p{N}]/gu, "");
+};
+
+export const findHeaderIndex = (headers: string[], candidates: string[]): number => {
+  const normalized = headers.map((h) => normalizeHeaderKey(h));
+  for (const cand of candidates) {
+    const c = cand.toLowerCase();
+    for (let i = 0; i < normalized.length; i++) {
+      const h = normalized[i];
+      if (h === c || h.startsWith(c)) return i;
+    }
+  }
+  return -1;
+};
+
+export const findExactHeaderIndex = (headers: string[], candidates: string[]): number => {
+  const normalized = headers.map((header) => normalizeHeaderKey(header));
+  const candidateKeys = new Set(candidates.map((candidate) => normalizeHeaderKey(candidate)));
+  return normalized.findIndex((header) => candidateKeys.has(header));
+};