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util.js
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util.js
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'use strict';
var path = require('path');
var fs = require('fs');
function escapeRegExp (str) {
return str.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, '\\$&');
}
function rewrite (args) {
/* jshint -W044 */
// check if splicable is already in the body text
var re = new RegExp(args.splicable.map(function (line) {
return '\s*' + escapeRegExp(line);
}).join('\n'));
if (re.test(args.haystack)) {
return args.haystack;
}
var lines = args.haystack.split('\n');
var otherwiseLineIndex = 0;
lines.forEach(function (line, i) {
if (line.indexOf(args.needle) !== -1) {
otherwiseLineIndex = i;
}
});
var spaces = 0;
while (lines[otherwiseLineIndex].charAt(spaces) === ' ') {
spaces += 1;
}
var spaceStr = '';
while ((spaces -= 1) >= 0) {
spaceStr += ' ';
}
lines.splice(otherwiseLineIndex, 0, args.splicable.map(function (line) {
return spaceStr + line;
}).join('\n'));
return lines.join('\n');
}
function rewriteFile (args) {
args.path = args.path || process.cwd();
var fullPath = path.join(args.path, args.file);
args.haystack = fs.readFileSync(fullPath, 'utf8');
var body = rewrite(args);
fs.writeFileSync(fullPath, body);
}
function appName (self) {
var counter = 0, suffix = self.options['app-suffix'];
// Have to check this because of generator bug #386
process.argv.forEach(function(val) {
if (val.indexOf('--app-suffix') > -1) {
counter++;
}
});
if (counter === 0 || (typeof suffix === 'boolean' && suffix)) {
suffix = 'App';
}
return suffix ? self._.classify(suffix) : '';
}
module.exports = {
rewrite: rewrite,
rewriteFile: rewriteFile,
appName: appName
};