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- const globalwith = (vars, fn) => {
- const original_values = {};
- const keys = Object.keys(vars);
- for ( const key of keys ) {
- if ( key in globalThis ) {
- original_values[key] = globalThis[key];
- }
- globalThis[key] = vars[key];
- }
- try {
- return fn();
- } finally {
- for ( const key of keys ) {
- if ( key in original_values ) {
- globalThis[key] = original_values[key];
- } else {
- delete globalThis[key];
- }
- }
- }
- };
- const aglobalwith = async (vars, fn) => {
- const original_values = {};
- const keys = Object.keys(vars);
- for ( const key of keys ) {
- if ( key in globalThis ) {
- original_values[key] = globalThis[key];
- }
- globalThis[key] = vars[key];
- }
- try {
- return await fn();
- } finally {
- for ( const key of keys ) {
- if ( key in original_values ) {
- globalThis[key] = original_values[key];
- } else {
- delete globalThis[key];
- }
- }
- }
- };
- let default_fn = () => {
- const use = name => {
- const parts = name.split('.');
- let obj = use;
- for ( const part of parts ) {
- if ( ! obj[part] ) {
- obj[part] = {};
- }
- obj = obj[part];
- }
- return obj;
- };
- const library = {
- use,
- def: (name, value) => {
- const parts = name.split('.');
- let obj = use;
- for ( const part of parts.slice(0, -1) ) {
- if ( ! obj[part] ) {
- obj[part] = {};
- }
- obj = obj[part];
- }
- obj[parts[parts.length - 1]] = value;
- },
- withuse: fn => {
- return globalwith({
- use,
- def: library.def,
- }, fn);
- },
- awithuse: async fn => {
- return await aglobalwith({
- use,
- def: library.def,
- }, fn);
- }
- };
- return library;
- };
- const useapi = function useapi () {
- return default_fn();
- };
- // We export some things on the function itself
- useapi.globalwith = globalwith;
- module.exports = useapi;
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