var _fs; function set_fs(fs) { _fs = fs; } /* normalize data for blob ctor */ function blobify(data) { if(typeof data === "string") return s2ab(data); if(Array.isArray(data)) return a2u(data); return data; } /* write or download file */ function write_dl(fname/*:string*/, payload/*:any*/, enc/*:?string*/) { /*global IE_SaveFile, Blob, navigator, saveAs, document, File, chrome */ if(typeof _fs !== 'undefined' && _fs.writeFileSync) return enc ? _fs.writeFileSync(fname, payload, enc) : _fs.writeFileSync(fname, payload); if(typeof Deno !== 'undefined') { /* in this spot, it's safe to assume typed arrays and TextEncoder/TextDecoder exist */ if(enc && typeof payload == "string") switch(enc) { case "utf8": payload = new TextEncoder(enc).encode(payload); break; case "binary": payload = s2ab(payload); break; /* TODO: binary equivalent */ default: throw new Error("Unsupported encoding " + enc); } return Deno.writeFileSync(fname, payload); } var data = (enc == "utf8") ? utf8write(payload) : payload; /*:: declare var IE_SaveFile: any; */ if(typeof IE_SaveFile !== 'undefined') return IE_SaveFile(data, fname); if(typeof Blob !== 'undefined') { var blob = new Blob([blobify(data)], {type:"application/octet-stream"}); /*:: declare var navigator: any; */ if(typeof navigator !== 'undefined' && navigator.msSaveBlob) return navigator.msSaveBlob(blob, fname); /*:: declare var saveAs: any; */ if(typeof saveAs !== 'undefined') return saveAs(blob, fname); if(typeof URL !== 'undefined' && typeof document !== 'undefined' && document.createElement && URL.createObjectURL) { var url = URL.createObjectURL(blob); /*:: declare var chrome: any; */ if(typeof chrome === 'object' && typeof (chrome.downloads||{}).download == "function") { if(URL.revokeObjectURL && typeof setTimeout !== 'undefined') setTimeout(function() { URL.revokeObjectURL(url); }, 60000); return chrome.downloads.download({ url: url, filename: fname, saveAs: true }); } var a = document.createElement("a"); if(a.download != null) { /*:: if(document.body == null) throw new Error("unreachable"); */ a.download = fname; a.href = url; document.body.appendChild(a); a.click(); /*:: if(document.body == null) throw new Error("unreachable"); */ document.body.removeChild(a); if(URL.revokeObjectURL && typeof setTimeout !== 'undefined') setTimeout(function() { URL.revokeObjectURL(url); }, 60000); return url; } } else if(typeof URL !== 'undefined' && !URL.createObjectURL && typeof chrome === 'object') { /* manifest v3 extensions -- no URL.createObjectURL */ var b64 = "data:application/octet-stream;base64," + Base64_encode_arr(new Uint8Array(blobify(data))); return chrome.downloads.download({ url: b64, filename: fname, saveAs: true }); } } // $FlowIgnore if(typeof $ !== 'undefined' && typeof File !== 'undefined' && typeof Folder !== 'undefined') try { // extendscript // $FlowIgnore var out = File(fname); out.open("w"); out.encoding = "binary"; if(Array.isArray(payload)) payload = a2s(payload); out.write(payload); out.close(); return payload; } catch(e) { if(!e.message || e.message.indexOf("onstruct") == -1) throw e; } throw new Error("cannot save file " + fname); } /* read binary data from file */ function read_binary(path/*:string*/) { if(typeof _fs !== 'undefined') return _fs.readFileSync(path); if(typeof Deno !== 'undefined') return Deno.readFileSync(path); // $FlowIgnore if(typeof $ !== 'undefined' && typeof File !== 'undefined' && typeof Folder !== 'undefined') try { // extendscript // $FlowIgnore var infile = File(path); infile.open("r"); infile.encoding = "binary"; var data = infile.read(); infile.close(); return data; } catch(e) { if(!e.message || e.message.indexOf("onstruct") == -1) throw e; } throw new Error("Cannot access file " + path); }