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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 = section === "start" ? sectionMetadata.size.loc.end.column + 1 : sectionMetadata.startOffset + sectionMetadata.size.value + 1;
- var delta = -(ends - startsIncludingId);
-
-
- 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);
- }
- }
- });
- var replacement = [];
- return overrideBytesInBuffer(uint8Buffer, startsIncludingId, ends, replacement);
- }, uint8Buffer);
- }
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