wallet-core/node_modules/gulp-rename/index.js

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'use strict';
var Stream = require('stream');
var Path = require('path');
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function gulpRename(obj, options) {
options = options || {};
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var stream = new Stream.Transform({objectMode: true});
function parsePath(path) {
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var extname = options.multiExt ? Path.basename(path).slice(Path.basename(path).indexOf('.')) : Path.extname(path);
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return {
dirname: Path.dirname(path),
basename: Path.basename(path, extname),
extname: extname
};
}
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stream._transform = function (originalFile, unused, callback) {
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var file = originalFile.clone({contents: false});
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var parsedPath = parsePath(file.relative);
var path;
var type = typeof obj;
if (type === 'string' && obj !== '') {
path = obj;
} else if (type === 'function') {
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obj(parsedPath, file);
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path = Path.join(parsedPath.dirname, parsedPath.basename + parsedPath.extname);
} else if (type === 'object' && obj !== undefined && obj !== null) {
var dirname = 'dirname' in obj ? obj.dirname : parsedPath.dirname,
prefix = obj.prefix || '',
suffix = obj.suffix || '',
basename = 'basename' in obj ? obj.basename : parsedPath.basename,
extname = 'extname' in obj ? obj.extname : parsedPath.extname;
path = Path.join(dirname, prefix + basename + suffix + extname);
} else {
callback(new Error('Unsupported renaming parameter type supplied'), undefined);
return;
}
file.path = Path.join(file.base, path);
// Rename sourcemap if present
if (file.sourceMap) {
file.sourceMap.file = file.relative;
}
callback(null, file);
};
return stream;
}
module.exports = gulpRename;