linkedin skills

scripts/lib/csv.js

@@ -0,0 +1,85 @@
+function parseCsv(content) {
+  const rows = [];
+  let row = [];
+  let field = "";
+  let inQuotes = false;
+
+  // Character-level parser to correctly handle commas/newlines inside quotes.
+  for (let i = 0; i < content.length; i += 1) {
+    const char = content[i];
+    const next = content[i + 1];
+
+    if (char === "\"") {
+      if (inQuotes && next === "\"") {
+        field += "\"";
+        i += 1;
+      } else {
+        inQuotes = !inQuotes;
+      }
+      continue;
+    }
+
+    if (char === "," && !inQuotes) {
+      row.push(field);
+      field = "";
+      continue;
+    }
+
+    if ((char === "\n" || char === "\r") && !inQuotes) {
+      if (char === "\r" && next === "\n") {
+        i += 1;
+      }
+      row.push(field);
+      field = "";
+      if (row.length > 1 || (row.length === 1 && row[0] !== "")) {
+        rows.push(row);
+      }
+      row = [];
+      continue;
+    }
+
+    field += char;
+  }
+
+  if (field.length || row.length) {
+    row.push(field);
+    rows.push(row);
+  }
+
+  if (!rows.length) {
+    return { headers: [], records: [] };
+  }
+
+  const headers = rows[0].map((h) => h.trim());
+  const records = rows.slice(1).map((r) => {
+    const obj = {};
+    headers.forEach((h, idx) => {
+      obj[h] = (r[idx] || "").trim();
+    });
+    return obj;
+  });
+
+  return { headers, records };
+}
+
+function escapeCsvValue(value) {
+  const s = String(value ?? "");
+  if (/[",\n\r]/.test(s)) {
+    return `"${s.replace(/"/g, "\"\"")}"`;
+  }
+  return s;
+}
+
+function toCsv(headers, records) {
+  const lines = [headers.map(escapeCsvValue).join(",")];
+  records.forEach((record) => {
+    const row = headers.map((h) => escapeCsvValue(record[h] ?? ""));
+    lines.push(row.join(","));
+  });
+  return `${lines.join("\n")}\n`;
+}
+
+module.exports = {
+  parseCsv,
+  toCsv
+};