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Add conditional operator before checking length (#16180)

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* add optional op to sections

* remove check for undefined
This commit is contained in:
Barbara Valdez
2021-07-16 11:38:18 -07:00
committed by GitHub
parent 669623a228
commit 6df69f525c
1 changed files with 1 additions and 1 deletions
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extensions/notebook/src/book/bookTocManager.ts
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@@ -30,7 +30,7 @@ export interface quickPickResults {
const allowedFileExtensions: string[] = [FileExtension.Markdown, FileExtension.Notebook]; const allowedFileExtensions: string[] = [FileExtension.Markdown, FileExtension.Notebook];
export function hasSections(node: JupyterBookSection): boolean { export function hasSections(node: JupyterBookSection): boolean {
return node.sections !== undefined && node.sections.length > 0; return node.sections?.length > 0;
} }
export class BookTocManager implements IBookTocManager { export class BookTocManager implements IBookTocManager {