sheetjs/bits/87_read.js

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function readSync(data, opts) {
var zip, d = data;
var o = opts||{};
if(!o.type) o.type = (has_buf && Buffer.isBuffer(data)) ? "buffer" : "base64";
switch(o.type) {
case "base64": zip = new jszip(d, { base64:true }); break;
case "binary": zip = new jszip(d, { base64:false }); break;
case "buffer": zip = new jszip(d); break;
case "file": zip=new jszip(d=_fs.readFileSync(data)); break;
default: throw new Error("Unrecognized type " + o.type);
}
return parse_zip(zip, o);
}
function readFileSync(data, opts) {
var o = opts||{}; o.type = 'file';
return readSync(data, o);
}