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var escapeStringRegexp = require('escape-string-regexp');
var listShortcuts = require('./listShortcuts');
/*
Apply a shortcut of block to a template
@param {String} content
@param {Shortcut} shortcut
@return {String}
*/
function applyShortcut(content, shortcut) {
var tags = shortcut.get('tag');
var start = shortcut.get('start');
var end = shortcut.get('end');
var regex = new RegExp(
escapeStringRegexp(start) + '([\\s\\S]*?[^\\$])' + escapeStringRegexp(end),
'g'
);
return content.replace(regex, function(all, match) {
return '{% ' + tags.start + ' %}' + match + '{% ' + tags.end + ' %}';
});
}
/**
Replace shortcuts from blocks in a string
@param {TemplateEngine} engine
@param {String} filePath
@param {String} content
@return {String}
*/
function replaceShortcuts(engine, filePath, content) {
var shortcuts = listShortcuts(engine, filePath);
return shortcuts.reduce(applyShortcut, content);
}
module.exports = replaceShortcuts;
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