fix: export BibTeX using citation-js

jupyter-book · Apr 10, 2024 · 9fc0dad · 9fc0dad
1 parent ea4b9ed
commit 9fc0dad
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Showing 3 changed files with 6 additions and 29 deletions.
diff --git a/packages/citation-js-utils/src/index.ts b/packages/citation-js-utils/src/index.ts
@@ -122,6 +122,7 @@ export type CitationRenderer = Record<
     getDOI: () => string | undefined;
     getURL: () => string | undefined;
     cite: CSL;
+    exportBibTeX: () => string;
   }
 >;
 
@@ -246,6 +247,9 @@ export async function getCitationRenderers(data: CSL[]): Promise<CitationRendere
             );
           },
           cite: c,
+	  exportBibTeX(): string {
+             return cite.set(c).format('bibtex', {format: 'text'}) as string;
+	  }
         },
       ];
     }),

diff --git a/packages/citation-js-utils/types/citation-js/index.d.ts b/packages/citation-js-utils/types/citation-js/index.d.ts
@@ -47,7 +47,7 @@ declare module '@citation-js/core' {
 
     set(data: any): this;
 
-    format: (format: string, options: Any) => string | object[];
+    format: (format: string, options: any) => string | object[];
 
     data: CSL[];
   }

diff --git a/packages/myst-cli/src/build/utils/bibtex.ts b/packages/myst-cli/src/build/utils/bibtex.ts
@@ -5,28 +5,6 @@ import type { ISession } from '../../session/types.js';
 import { addWarningForFile } from '../../utils/addWarningForFile.js';
 import type { References } from 'myst-common';
 
-/**
- * Extract a single entry from the entire content of a bibtex file
- *
- * Look for the pattern '@article{key' then finds the closing bracket
- * and returns that substring. The "article" prefix may be any
- * alpha word.
- */
-export function extractBibtex(key: string, bibtex: string) {
-  const match = bibtex.match(new RegExp(`@[a-zA-Z]*{${key}`, 'g'));
-  if (!match) return;
-  const start = bibtex.indexOf(match[0]);
-  let bracketCount = 0;
-  let ind = start + match[0].length;
-  while (bibtex[ind] && (bibtex[ind] !== '}' || bracketCount !== 0)) {
-    if (bibtex[ind - 1] && bibtex[ind - 1] !== '\\') {
-      if (bibtex[ind] === '{') bracketCount++;
-      if (bibtex[ind] === '}') bracketCount--;
-    }
-    ind++;
-  }
-  return bibtex[ind] ? bibtex.substring(start, ind + 1) : undefined;
-}
 
 /**
  * Write new bibtex file from citation renderer data and reference order
@@ -48,12 +26,7 @@ export function writeBibtexFromCitationRenderers(
   const citationLookup: Record<string, string> = {};
   Object.values(cache.$citationRenderers).forEach((renderers) => {
     Object.entries(renderers).forEach(([key, renderer]) => {
-      const bibtexContent = (renderer.cite._graph as any[]).find((item) => {
-        return item.type === '@biblatex/text';
-      });
-      if (bibtexContent?.data) {
-        citationLookup[key] = extractBibtex(key, bibtexContent.data) ?? bibtexContent.data;
-      }
+      citationLookup[key] = renderer.exportBibTeX();
     });
   });
   const bibtexContent: string[] = [];