larry babby and threejs for glsl

webGl/my-threejs-test/node_modules/@parcel/transformer-babel/lib/remapAstLocations.js

@@ -0,0 +1,55 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.remapAstLocations = remapAstLocations;
+function remapAstLocations(t, ast, map) {
+  // remap ast to original mappings
+  // This improves sourcemap accuracy and fixes sourcemaps when scope-hoisting
+  traverseAll(t, ast.program, node => {
+    if (node.loc) {
+      var _node$loc;
+      if ((_node$loc = node.loc) !== null && _node$loc !== void 0 && _node$loc.start) {
+        let mapping = map.findClosestMapping(node.loc.start.line, node.loc.start.column);
+        if (mapping !== null && mapping !== void 0 && mapping.original) {
+          // $FlowFixMe
+          node.loc.start.line = mapping.original.line;
+          // $FlowFixMe
+          node.loc.start.column = mapping.original.column;
+
+          // $FlowFixMe
+          let length = node.loc.end.column - node.loc.start.column;
+
+          // $FlowFixMe
+          node.loc.end.line = mapping.original.line;
+          // $FlowFixMe
+          node.loc.end.column = mapping.original.column + length;
+
+          // $FlowFixMe
+          node.loc.filename = mapping.source;
+        } else {
+          // Maintain null mappings?
+          node.loc = null;
+        }
+      }
+    }
+  });
+}
+function traverseAll(t, node, visitor) {
+  if (!node) {
+    return;
+  }
+  visitor(node);
+  for (let key of t.VISITOR_KEYS[node.type] || []) {
+    // $FlowFixMe
+    let subNode = node[key];
+    if (Array.isArray(subNode)) {
+      for (let i = 0; i < subNode.length; i++) {
+        traverseAll(t, subNode[i], visitor);
+      }
+    } else {
+      traverseAll(t, subNode, visitor);
+    }
+  }
+}