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replaced promises with async/await

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This commit is contained in:
Daniel Sommer 2022-02-24 10:31:01 +01:00
parent 53efde189f
commit ad111f7709
1 changed files with 22 additions and 20 deletions
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24
libs/util.js
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@ -1,29 +1,31 @@
const realpath = require('fs').realpath; const realpath = require('fs').realpath;
const stat = require('fs').stat; const stat = require('fs').stat;
function fileExists(file) { async function fileExists(file) {
return new Promise((resolve, reject) => {
if (file === undefined) { if (file === undefined) {
reject('can not check the existence of an undefined file'); throw new Error('can not check the existence of an undefined file');
} }
resolvePath(file) let path;
.then((path) => { try {
path = await resolvePath(file);
} catch (err) {
throw err;
}
return await new Promise((resolve, reject) => {
stat(path, (err, stats) => { stat(path, (err, stats) => {
if (err) { if (err) {
reject(err); reject(err);
} }
resolve({ path, stats }); resolve({path, stats});
}) })
})
.catch(reject);
}); });
} }
function resolvePath(file) { async function resolvePath(file) {
return new Promise((resolve, reject) => {
if (file === undefined) { if (file === undefined) {
reject('can not resolve a path to an undefined file'); throw new Error('can not resolve a path to an undefined file');
} }
return await new Promise((resolve, reject) => {
realpath(file, (err, resolvedPath) => { realpath(file, (err, resolvedPath) => {
if (err) { if (err) {
reject('resolving path \'' + file + '\' encountered an error >>> ' + err); reject('resolving path \'' + file + '\' encountered an error >>> ' + err);