sheetjs-clone/bits/88_write.js

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function write_zip_type(wb/*:Workbook*/, opts/*:?WriteOpts*/)/*:any*/ {
var o = opts||{};
var z = write_zip(wb, o);
var oopts = {};
if(o.compression) oopts.compression = 'DEFLATE';
switch(o.type) {
case "base64": oopts.type = "base64"; break;
case "binary": oopts.type = "string"; break;
case "string": throw new Error("'string' output type invalid for '" + o.bookType + ' files');
case "buffer":
case "file": oopts.type = "nodebuffer"; break;
default: throw new Error("Unrecognized type " + o.type);
}
if(o.type === "file") return _fs.writeFileSync(o.file, z.generate(oopts));
var out = z.generate(oopts);
// $FlowIgnore
return o.type == "string" ? utf8read(out) : out;
}
function write_cfb_type(wb/*:Workbook*/, opts/*:?WriteOpts*/)/*:any*/ {
var o = opts||{};
var cfb/*:CFBContainer*/ = write_xlscfb(wb, o);
switch(o.type) {
case "base64": case "binary": break;
case "buffer": case "array": o.type = ""; break;
case "file": return _fs.writeFileSync(o.file, CFB.write(cfb, {type:'buffer'}));
case "string": throw new Error("'string' output type invalid for '" + o.bookType + ' files');
default: throw new Error("Unrecognized type " + o.type);
}
return CFB.write(cfb, o);
}
function write_string_type(out/*:string*/, opts/*:WriteOpts*/, bom/*:?string*/)/*:any*/ {
if(!bom) bom = "";
var o = bom + out;
switch(opts.type) {
case "base64": return Base64.encode(utf8write(o));
case "binary": return utf8write(o);
case "string": return out;
case "file": return _fs.writeFileSync(opts.file, o, 'utf8');
case "buffer": {
if(has_buf) return new Buffer(o, 'utf8');
else return write_string_type(o, {type:'binary'}).split("").map(function(c) { return c.charCodeAt(0); });
}
}
throw new Error("Unrecognized type " + opts.type);
}
function write_stxt_type(out/*:string*/, opts/*:WriteOpts*/)/*:any*/ {
switch(opts.type) {
case "base64": return Base64.encode(out);
case "binary": return out;
case "string": return out; /* override in sheet_to_txt */
case "file": return _fs.writeFileSync(opts.file, out, 'binary');
case "buffer": {
if(has_buf) return new Buffer(out, 'binary');
else return out.split("").map(function(c) { return c.charCodeAt(0); });
}
}
throw new Error("Unrecognized type " + opts.type);
}
/* TODO: test consistency */
function write_binary_type(out, opts/*:WriteOpts*/)/*:any*/ {
switch(opts.type) {
case "string":
case "base64":
case "binary":
var bstr = "";
for(var i = 0; i < out.length; ++i) bstr += String.fromCharCode(out[i]);
return opts.type == 'base64' ? Base64.encode(bstr) : opts.type == 'string' ? utf8read(bstr) : bstr;
case "file": return _fs.writeFileSync(opts.file, out);
case "buffer": return out;
default: throw new Error("Unrecognized type " + opts.type);
}
}
function writeSync(wb/*:Workbook*/, opts/*:?WriteOpts*/) {
check_wb(wb);
var o = opts||{};
switch(o.bookType || 'xlsb') {
case 'xml':
case 'xlml': return write_string_type(write_xlml(wb, o), o);
case 'slk':
case 'sylk': return write_string_type(write_slk_str(wb, o), o);
case 'html': return write_string_type(write_htm_str(wb, o), o);
case 'txt': return write_stxt_type(write_txt_str(wb, o), o);
case 'csv': return write_string_type(write_csv_str(wb, o), o, "\ufeff");
case 'dif': return write_string_type(write_dif_str(wb, o), o);
// $FlowIgnore
case 'dbf': return write_binary_type(write_dbf_buf(wb, o), o);
case 'prn': return write_string_type(write_prn_str(wb, o), o);
case 'rtf': return write_string_type(write_rtf_str(wb, o), o);
case 'fods': return write_string_type(write_ods(wb, o), o);
case 'biff2': if(!o.biff) o.biff = 2; /* falls through */
case 'biff3': if(!o.biff) o.biff = 3; /* falls through */
case 'biff4': if(!o.biff) o.biff = 4; return write_binary_type(write_biff_buf(wb, o), o);
case 'biff5': if(!o.biff) o.biff = 5; /* falls through */
case 'biff8':
case 'xls': if(!o.biff) o.biff = 8; return write_cfb_type(wb, o);
case 'xlsx':
case 'xlsm':
case 'xlsb':
case 'ods': return write_zip_type(wb, o);
default: throw new Error ("Unrecognized bookType |" + o.bookType + "|");
}
}
function resolve_book_type(o/*:WriteFileOpts*/) {
if(o.bookType) return;
var _BT = {
"xls": "biff8",
"htm": "html",
"slk": "sylk",
"Sh33tJS": "WTF"
};
var ext = o.file.slice(o.file.lastIndexOf(".")).toLowerCase();
if(ext.match(/^\.[a-z]+$/)) o.bookType = ext.slice(1);
o.bookType = _BT[o.bookType] || o.bookType;
}
function writeFileSync(wb/*:Workbook*/, filename/*:string*/, opts/*:?WriteFileOpts*/) {
var o = opts||{}; o.type = 'file';
o.file = filename;
resolve_book_type(o);
return writeSync(wb, o);
}
function writeFileAsync(filename/*:string*/, wb/*:Workbook*/, opts/*:?WriteFileOpts*/, cb/*:?(e?:ErrnoError)=>void*/) {
var o = opts||{}; o.type = 'file';
o.file = filename;
resolve_book_type(o);
o.type = 'buffer';
var _cb = cb; if(!(_cb instanceof Function)) _cb = (opts/*:any*/);
return _fs.writeFile(filename, writeSync(wb, o), _cb);
}