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generate ES6 version.js with export const #2

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generate ES6 version.js with export const #2

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1bfe107
optimize code; changed export in version.js to ES6 export
coding-lemur Jul 13, 2017
d39ef9b
fix buildModuleString()
coding-lemur Jul 13, 2017
9f64e5f
remove double semicolon
coding-lemur Jul 14, 2017
0be0a8f
update readme
coding-lemur Jul 14, 2017
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6 changes: 3 additions & 3 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -16,9 +16,9 @@ $ // Go to your repo
$ node-git-version
$ cat version.js

module.exports = {
tag: '1.0.0'
hash: 'e037765'
export const version = {
tag: '1.0.0',
hash: 'e037765',
timestamp: 1425721222
};
```
48 changes: 18 additions & 30 deletions index.js
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Expand Up @@ -14,12 +14,10 @@
* Date: March 2015
*/

var fs = require('fs');
var exec = require('child_process').exec;
var child = exec('git reflog --decorate -1', function (error, stdout, stderr)
{
if (error)
{
var fs = require('fs');
var exec = require('child_process').exec;
var child = exec('git reflog --decorate -1', function (error, stdout, stderr) {
if (error) {
// Shit
console.log('[FAILED]: Failed to run Git command');
process.exit(1);
Expand All @@ -28,43 +26,33 @@
// Example output: a32d6d8 (HEAD, tag: TAG-V.02, tag: TAG-V.01, master) HEAD@{0}: commit (initial): Asd
// Run regular expression to extract sha and tag
var sha = stdout.match(/[a-z0-9]+\s\(HEAD/g);
if (sha && sha.length > 0)
{
if (sha && sha.length > 0) {
sha = sha[0].slice(0, -6);
}

var tag = stdout.match(/tag\:\s[a-zA-Z0-9\-\.]+\,/g);
if (tag && tag.length > 0)
{
if (tag && tag.length > 0) {
tag = tag[0].slice(5, -1);
}

// Compose version file info
var versionInfo = 'module.exports = {';

if (tag)
{
versionInfo += '\n\ttag: \'' + tag + '\',';
}
else
{
versionInfo += '\n\ttag: null,';
}

versionInfo += '\n\thash: \'' + sha + '\',';
versionInfo += '\n\ttimestamp: ' + Math.floor(new Date().getTime()/1000);
versionInfo += '\n};\n';
const versionInfo = {
tag: tag ? tag : null,
hash: sha,
timestamp: Math.floor(new Date().getTime() / 1000)
};

// Create version.js file
fs.writeFile('version.js', versionInfo, function(err)
{
if(err)
{
fs.writeFile('version.js', buildModuleString(versionInfo), function (err) {
if (err) {
console.log('[FAILED]: can\'t create version.js file. Permission issue?');
}
else
{
else {
console.log('[OK]');
}
});
});

function buildModuleString(versionInfo) {
return 'export const version = ' + JSON.stringify(versionInfo) + ';';
}