init

node_modules/qrcode/lib/core/finder-pattern.js

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+const getSymbolSize = require('./utils').getSymbolSize
+const FINDER_PATTERN_SIZE = 7
+
+/**
+ * Returns an array containing the positions of each finder pattern.
+ * Each array's element represent the top-left point of the pattern as (x, y) coordinates
+ *
+ * @param  {Number} version QR Code version
+ * @return {Array}          Array of coordinates
+ */
+exports.getPositions = function getPositions (version) {
+  const size = getSymbolSize(version)
+
+  return [
+    // top-left
+    [0, 0],
+    // top-right
+    [size - FINDER_PATTERN_SIZE, 0],
+    // bottom-left
+    [0, size - FINDER_PATTERN_SIZE]
+  ]
+}