{"record":{"id":"3fda0b63a5ffbc90","repo":"remotion-dev/remotion","slug":"cannot-split-jsx-sequence-with-no-parent","errorCode":null,"errorMessage":"Cannot split JSX sequence with no parent","messagePattern":"Cannot split JSX sequence with no parent","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"packages/studio-codemods/src/split-jsx-sequence.ts","lineNumber":482,"sourceCode":"\t});\n\tsetNumericAttribute({\n\t\telement: right,\n\t\tname: 'durationInFrames',\n\t\tvalue: rightDuration === Infinity ? null : rightDuration,\n\t\tomitIfMissing: !timing.hasDurationInFrames,\n\t});\n\tsetNumericAttribute({\n\t\telement: right,\n\t\tname: 'trimBefore',\n\t\tvalue: rightTrimBefore === 0 ? null : rightTrimBefore,\n\t\tomitIfMissing: !timing.hasTrimBefore && rightTrimBefore === 0,\n\t});\n\torderTimingAttributes(jsxElement);\n\torderTimingAttributes(right);\n\n\tconst {parentPath} = jsxPath;\n\tif (!parentPath) {\n\t\tthrow new Error('Cannot split JSX sequence with no parent');\n\t}\n\n\tconst isJsxChild =\n\t\tnamedTypes.JSXElement.check(parentPath.node) ||\n\t\tnamedTypes.JSXFragment.check(parentPath.node);\n\tif (!insertAfter(parentPath.node, jsxElement, right)) {\n\t\tjsxPath.replace(makeFragment(jsxElement, right));\n\t}\n\n\tconst sourceEdit = getSplitSourceEdit({\n\t\tinput,\n\t\tleft: jsxElement,\n\t\tprettierConfigOverride: prettierConfigOverride ?? null,\n\t\tright,\n\t\twrapInFragment: !isJsxChild,\n\t});\n\tconst output =\n\t\tinput.slice(0, sourceEdit.start) +","sourceCodeStart":464,"sourceCodeEnd":500,"githubUrl":"https://github.com/remotion-dev/remotion/blob/b2f4e34732f3c6c222ea029413e22dc402218cd7/packages/studio-codemods/src/split-jsx-sequence.ts#L464-L500","documentation":"splitJsxSequence splits a JSX element into left/right siblings and re-inserts them via the ast-types NodePath of the original element. Insertion requires the element to have a parent path. If jsxPath.parentPath is null (the element is detached or is the root of the walked tree), there is nowhere to insert the split halves, so this error is thrown.","triggerScenarios":"Calling splitJsxSequence with a path whose element has no parent in the AST — e.g. passing a detached/synthesized JSX element, or an element removed from the tree by a previous transformation in the same codemod.","commonSituations":"Splitting an element that was just created programmatically; chaining transformations where an earlier step unmounted the element; operating on a sub-AST instead of the full file tree.","solutions":["Ensure the JSX element being split is attached as a child of a JSXElement or JSXFragment in the full file AST","Re-parse the file and re-resolve the element path before splitting","Skip the split for root/detached elements"],"exampleFix":"// before\nsplit(detachedElement); // no parentPath\n// after\nconst path = findElementPath(parse(fileSource), elementId);\nsplit(path); // path has parentPath in the full AST","handlingStrategy":"type-guard","validationCode":"const path = findElementPath(fullFileAst, element);\nif (!path || !path.parentPath) throw new Error('Element is not attached to a parent; cannot split');","typeGuard":"const hasParent = (p: NodePath) => p.parentPath !== null && p.parentPath !== undefined;","tryCatchPattern":"try {\n  splitJsxSequence(jsxPath, ...);\n} catch (e) {\n  if (String(e).includes('with no parent')) {\n    // re-attach or re-resolve the element in the full AST, then retry\n  } else throw e;\n}","preventionTips":["Always operate on paths from the full file AST, never detached sub-ASTs","Re-resolve element paths after earlier transformations in the same run","Verify the parent is a JSXElement or JSXFragment before splitting"],"tags":["codemod","ast","jsx"],"backgroundTag":"detached-ast-node","analyzedSha":"b2f4e34732f3c6c222ea029413e22dc402218cd7","analyzedAt":"2026-09-02T16:25:19.997Z","contentChangedAt":"2026-09-02T16:25:19.997Z","schemaVersion":2},"datasetVersion":"2026-09-14T00:17:10.932Z"}