Reduce bundle size, add a conf param

* Remove use of zotero-api-client as all we need is a single static file
  (schema) so it makes little sense to bring in entire library for this
  one trivial request
* Make api URL configurable

README.md

@@ -68,6 +68,9 @@ Specifies an additional prefix for where translation server request should be se
 **translateURL**
 Specifies URL for the *translation-server*. By default localhost is assumed to proxy request to the translation server.
 
+**apiAuthorityPart**
+Specifies the authority part of the URL for Zotero API requests. Defaults to `api.zotero.org`.
+
 Development server configuration
 --------------
 

config/custom-environment-variables.json

@@ -1,9 +1,10 @@
 {
 	"indexConfig": {
+		"apiAuthorityPart": "API_AUTHORITY_PART",
 		"storeURL": "STORE_URL",
+		"stylesCacheTime": "STYLES_CACHE_TIME",
 		"stylesURL": "STYLES_URL",
 		"translatePrefix": "TRANSLATION_SERVER_PREFIX",
-		"translateURL": "TRANSLATION_SERVER_URL",
-		"stylesCacheTime": "STYLES_CACHE_TIME"
+		"translateURL": "TRANSLATION_SERVER_URL"
 	}
 }

config/default.json

@@ -5,9 +5,10 @@
 		// listed below can be overriden in local.json and/or using
 		// env variables. See https://www.npmjs.com/package/config
 		// 
+		// "apiAuthorityPart": undefined,
 		// "storeURL": undefined,
 		// "stylesURL": undefined,
 		// "translatePrefix": "",
-		// "translateURL": undefined,
+		// "translateURL": undefined
 	}
 }

package.json

@@ -67,8 +67,7 @@
     "react-modal": "^3.16.1",
     "react-transition-group": "^4.4.5",
     "smooth-scroll": "^16.1.3",
-    "use-debounce": "^9.0.4",
-    "zotero-api-client": ">=0.41.1"
+    "use-debounce": "^9.0.4"
   },
   "devDependencies": {
     "@babel/core": "^7.21.8",
@@ -95,6 +94,7 @@
     "cheerio": "^1.0.0-rc.12",
     "citeproc": "^2.4.63",
     "config": "^3.3.9",
+    "cross-fetch": "^3.1.6",
     "cssnano": "^6.0.1",
     "eslint": "^8.41.0",
     "eslint-plugin-jest-dom": "^4.0.3",

src/js/components/container.jsx

@@ -63,10 +63,10 @@ const fetchAndSelectStyle = async (dispatch, styleName, opts = {}) => {
 	}
 }
 
-const configureZoteroSchema = async (dispatch, locale) => {
+const configureZoteroSchema = async (dispatch, locale, apiAuthorityPart) => {
 	dispatch({ type: REQUEST_SCHEMA });
 	try {
-		const schema = await fetchSchema();
+		const schema = await fetchSchema(apiAuthorityPart);
 		configureZoteroShim(schema, locale);
 		const meta = getMetaFromSchema(schema, locale);
 		dispatch({ type: RECEIVE_SCHEMA, schema, meta });
@@ -1293,13 +1293,13 @@ const BibWebContainer = props => {
 		useLegacy.current = !params.get('use_experimental_citeproc') || (['false', '0']).includes(params.get('use_experimental_citeproc'));
 
 		if(remoteId) {
-			configureZoteroSchema(dispatch, intl.locale);
+			configureZoteroSchema(dispatch, intl.locale, config.apiAuthorityPart);
 			fetchRemoteBibliography();
 		} else {
 			const prefilledIdentifier = params.get('q') || '';
 			setIdentifier(prefilledIdentifier);
 			setIsDataReady(true);
-			configureZoteroSchema(dispatch, intl.locale);
+			configureZoteroSchema(dispatch, intl.locale, config.apiAuthorityPart);
 			fetchAndSelectStyle(
 				dispatch,
 				localStorage.getItem('zotero-bib-citation-style') || coreCitationStyles.find(cs => cs.isDefault).name,

src/js/constants/defaults.js

@@ -1,4 +1,5 @@
 export default Object.freeze({
+	apiAuthorityPart: 'api.zotero.org',
 	storeURL: '/store',
 	stylesURL: 'https://www.zotero.org/styles-files/styles.json',
 	storage: window.localStorage

src/js/utils.js

@@ -1,5 +1,4 @@
 import balanced from 'balanced-match';
-import api from 'zotero-api-client';
 
 import ZoteroBib from './zotero-translation-client';
 import CiteprocWrapper from './citeproc-wrapper';
@@ -425,7 +424,7 @@ const mergeFetchOptions = (init, globalOpts, localOpts) => {
 	return { ...init, ...(globalOpts.init || {}), ...(localOpts.init || {}), headers };
 }
 
-const fetchSchema = async (apiConfig = {}) => (await api(null, apiConfig).schema().get()).getData();
+const fetchSchema = async (apiAuthorityPart) => (await fetch(`https://${apiAuthorityPart}/schema`)).json();
 
 const ignoredItemTypes = ['note', 'attachment', 'annotation'];
 const getMetaFromSchema = (schema, locale) => {