OpenAlex BibTeX Bookmarklet

openalex_bibtext.js

javascript: (function () {
	function fetchBibTeX(url) {
		fetch(url)
			.then((response) => response.json())
			.then((data) => {
				const authors = data.authorships
					.map((author) => author.raw_author_name)
					.join(" and ");
				const title = data.title;
				const journal = data.primary_location.source.display_name;
				const year = data.publication_year;
				const volume = data.biblio.volume;
				const pages = `${data.biblio.first_page}--${data.biblio.last_page}`;
				const doi = data.ids.doi.split("/").pop();
				const bibtex = `
@article{${authors.replace(/ /g, "")}${year},
    author = {${authors}},
    title = {${title}},
    journal = {${journal}},
    year = {${year}},
    volume = {${volume}},
    pages = {${pages}},
    doi = {${doi}}
}`;
				navigator.clipboard.writeText(bibtex).then(
					function () {
						alert("BibTeX entry copied to clipboard");
					},
					function () {
						prompt(
							"Failed to copy BibTeX entry to clipboard. You can copy it manually from here:",
							bibtex
						);
					}
				);
			});
	}

	const currentUrl = window.location.href;
	const openAlexUrlPattern = /https:\/\/api\.openalex\.org\/works\/(\w+)/;
	const match = openAlexUrlPattern.exec(currentUrl);

	if (match) {
		fetchBibTeX(currentUrl);
	} else {
		const workId = prompt("Enter the OpenAlex Work ID:");
		if (workId) {
			const url = `https://api.openalex.org/works/${workId}`;
			fetchBibTeX(url);
		}
	}
})();