if(has_buf && typeof require != 'undefined') (function() { var Readable = require('stream').Readable; var write_csv_stream = function(sheet/*:Worksheet*/, opts/*:?Sheet2CSVOpts*/) { var stream = Readable(); var out = ""; var o = opts == null ? {} : opts; if(sheet == null || sheet["!ref"] == null) { stream.push(null); return stream; } var r = safe_decode_range(sheet["!ref"]); var FS = o.FS !== undefined ? o.FS : ",", fs = FS.charCodeAt(0); var RS = o.RS !== undefined ? o.RS : "\n", rs = RS.charCodeAt(0); var endregex = new RegExp((FS=="|" ? "\\|" : FS)+"+$"); var row = "", cols = []; o.dense = Array.isArray(sheet); for(var C = r.s.c; C <= r.e.c; ++C) cols[C] = encode_col(C); var R = r.s.r; stream._read = function() { if(R > r.e.r) return stream.push(null); while(R <= r.e.r) { row = make_csv_row(sheet, r, R, cols, fs, rs, FS, o); if(row == null) { ++R; continue; } if(o.strip) row = row.replace(endregex,""); stream.push(row + RS); ++R; break; } }; return stream; }; var HTML_BEGIN = "