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/*!
* Jade - utils
* Copyright(c) 2010 TJ Holowaychuk <[email protected]>
* MIT Licensed
*/
/**
* Convert interpolation in the given string to JavaScript.
*
* @param {String} str
* @return {String}
* @api private
*/
var interpolate = exports.interpolate = function(str){
return str.replace(/(_SLASH_)?([#!]){(.*?)}/g, function(str, escape, flag, code){
code = code
.replace(/\\'/g, "'")
.replace(/_SLASH_/g, '\\');
return escape
? str.slice(7)
: "' + "
+ ('!' == flag ? '' : 'escape')
+ "((interp = " + code
+ ") == null ? '' : interp) + '";
});
};
/**
* Escape single quotes in `str`.
*
* @param {String} str
* @return {String}
* @api private
*/
var escape = exports.escape = function(str) {
return str.replace(/'/g, "\\'");
};
/**
* Interpolate, and escape the given `str`.
*
* @param {String} str
* @return {String}
* @api private
*/
exports.text = function(str){
return interpolate(escape(str));
};
/**
* Merge `b` into `a`.
*
* @param {Object} a
* @param {Object} b
* @return {Object}
* @api public
*/
exports.merge = function(a, b) {
for (var key in b) a[key] = b[key];
return a;
};
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