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1 files changed, 36 insertions, 0 deletions

diff --git a/node_modules/@webassemblyjs/helper-wasm-section/esm/remove.js b/node_modules/@webassemblyjs/helper-wasm-section/esm/remove.js
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+++ b/node_modules/@webassemblyjs/helper-wasm-section/esm/remove.js
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+import { traverse, getSectionMetadatas, shiftSection } from "@webassemblyjs/ast";
+import { overrideBytesInBuffer } from "@webassemblyjs/helper-buffer";
+export function removeSections(ast, uint8Buffer, section) {
+  var sectionMetadatas = getSectionMetadatas(ast, section);
+
+  if (sectionMetadatas.length === 0) {
+    throw new Error("Section metadata not found");
+  }
+
+  return sectionMetadatas.reverse().reduce(function (uint8Buffer, sectionMetadata) {
+    var startsIncludingId = sectionMetadata.startOffset - 1;
+    var ends = sectionMetadata.startOffset + sectionMetadata.size.value + 1;
+    var delta = -(ends - startsIncludingId);
+    /**
+     * update AST
+     */
+    // Once we hit our section every that is after needs to be shifted by the delta
+
+    var encounteredSection = false;
+    traverse(ast, {
+      SectionMetadata: function SectionMetadata(path) {
+        if (path.node.section === section) {
+          encounteredSection = true;
+          return path.remove();
+        }
+
+        if (encounteredSection === true) {
+          shiftSection(ast, path.node, delta);
+        }
+      }
+    }); // replacement is nothing
+
+    var replacement = [];
+    return overrideBytesInBuffer(uint8Buffer, startsIncludingId, ends, replacement);
+  }, uint8Buffer);
+}
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