41 lines
No EOL
1 KiB
JavaScript
41 lines
No EOL
1 KiB
JavaScript
const realpath = require('fs').realpath;
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const stat = require('fs').stat;
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async function fileExists(file) {
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if (file === undefined) {
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throw new Error('can not check the existence of an undefined file');
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}
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let path;
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try {
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path = await resolvePath(file);
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} catch (err) {
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throw err;
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}
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return await new Promise((resolve, reject) => {
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stat(path, (err, stats) => {
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if (err) {
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reject(err);
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}
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resolve({path, stats});
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})
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});
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}
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async function resolvePath(file) {
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if (file === undefined) {
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throw new Error('can not resolve a path to an undefined file');
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}
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return await new Promise((resolve, reject) => {
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realpath(file, (err, resolvedPath) => {
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if (err) {
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reject(new Error('resolving path \'' + file + '\' encountered an error >>> ' + err));
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}
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resolve(resolvedPath);
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})
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});
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}
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module.exports = {
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fileExists,
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resolvePath
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}; |