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update_readme_version.js
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executable file
·57 lines (44 loc) · 1.23 KB
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#!/usr/local/bin/node
var fs = require('fs');
var argv = require('optimist').argv;
var childProcess = require('child_process');
readFile(packageFilename(), onPackageRead);
function onPackageRead(err, data) {
if (err) throw err;
var package = parsePackage(data);
var filename = versionedFilename();
readFile(filename, onVersionedFileRead(package.version, filename));
}
function onVersionedFileRead(version, filename) {
return function (err, data) {
if (err) throw err;
// Replace the version with the updated version
var newContents = data.toString().replace(/^\s*@version [\w\d.-]+\s*$/m, '\n@version ' + version + '\n');
fs.writeFile(filename, newContents, onReplacementWritten(filename));
};
}
function onReplacementWritten(filename) {
return function (err) {
if (err) throw err;
};
}
function readFile(file, cb) {
fs.readFile(file, {encoding: 'utf8'}, cb);
}
function packageFilename() {
var packageFile = 'package.json';
if (argv.package) {
packageFile = argv.package;
}
return packageFile;
}
function parsePackage(data) {
var pkgObj = JSON.parse(data.toString());
return pkgObj;
}
function versionedFilename() {
if (argv._.length !== 1) {
process.exit(1);
}
return argv._[0];
}