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index.js
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index.js
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'use strict';
var terminal = require('oh-my-terminal');
var globalNpmPath = require('global-modules');
var requireLocally = function(dependency) {
return require(dependency);
};
var requireGlobally = function(dependency) {
return require(globalNpmPath + '/' + dependency);
};
var install = function(dependency, cb) {
var originalPath;
originalPath = process.cwd();
process.chdir(globalNpmPath);
terminal.exec('npm install ' + dependency, function() {
process.chdir(originalPath);
return cb.apply(arguments);
});
};
var installSync = function(dependency) {
var originalPath;
originalPath = process.cwd();
process.chdir(globalNpmPath);
terminal.exec('npm install ' + dependency);
return process.chdir(originalPath);
};
var requireSync = function(dependency) {
try {
return requireLocally(dependency);
} catch (err) {
try {
return requireGlobally(dependency);
} catch (err) {
installSync(dependency);
return requireGlobally(dependency);
}
}
};
var requireAsync = function(dependency, cb) {
var dep;
try {
dep = requireLocally(dependency);
return cb(null, dep);
} catch (err) {
try {
dep = requireGlobally(dependency);
return cb(null, dep);
} catch (err) {
install(dependency, function(err) {
return cb(err, requireGlobally(dependency));
});
}
}
};
module.exports = function(dependency, cb) {
if (!cb) return requireSync(dependency);
return requireAsync(dependency, cb);
};