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node_modules/table/dist/validateTableData.js.flow

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+/**
+ * @typedef {string} cell
+ */
+
+/**
+ * @typedef {cell[]} validateData~column
+ */
+
+/**
+ * @param {column[]} rows
+ * @returns {undefined}
+ */
+export default (rows) => {
+  if (!Array.isArray(rows)) {
+    throw new TypeError('Table data must be an array.');
+  }
+
+  if (rows.length === 0) {
+    throw new Error('Table must define at least one row.');
+  }
+
+  if (rows[0].length === 0) {
+    throw new Error('Table must define at least one column.');
+  }
+
+  const columnNumber = rows[0].length;
+
+  for (const cells of rows) {
+    if (!Array.isArray(cells)) {
+      throw new TypeError('Table row data must be an array.');
+    }
+
+    if (cells.length !== columnNumber) {
+      throw new Error('Table must have a consistent number of cells.');
+    }
+
+    for (const cell of cells) {
+      // eslint-disable-next-line no-control-regex
+      if (/[\u0001-\u0006\u0008-\u0009\u000B-\u001A]/.test(cell)) {
+        throw new Error('Table data must not contain control characters.');
+      }
+    }
+  }
+};