UTF16LE sans codepage (fixes #2898 h/t @brismuth)

bits/02_codepage.js

@@ -41,6 +41,11 @@ function utf16leread(data/*:string*/)/*:string*/ {
 	for(var i = 0; i < (data.length>>1); ++i) o[i] = String.fromCharCode(data.charCodeAt(2*i) + (data.charCodeAt(2*i+1)<<8));
 	return o.join("");
 }
+function utf16lereadu(data/*:Uint8Array*/)/*:string*/ {
+	var o/*:Array<string>*/ = [];
+	for(var i = 0; i < (data.length>>1); ++i) o[i] = String.fromCharCode(data[2*i] + (data[2*i+1]<<8));
+	return o.join("");
+}
 function utf16beread(data/*:string*/)/*:string*/ {
 	var o/*:Array<string>*/ = [];
 	for(var i = 0; i < (data.length>>1); ++i) o[i] = String.fromCharCode(data.charCodeAt(2*i+1) + (data.charCodeAt(2*i)<<8));

bits/18_cfb.js

@@ -73,7 +73,7 @@ function slice_by_16_tables(T) {
 		for(c = 256 + n; c < 4096; c += 256) v = table[c] = (v >>> 8) ^ T[v & 0xFF];
 	}
 	var out = [];
-	for(n = 1; n != 16; ++n) out[n - 1] = typeof Int32Array !== 'undefined' ? table.subarray(n * 256, n * 256 + 256) : table.slice(n * 256, n * 256 + 256);
+	for(n = 1; n != 16; ++n) out[n - 1] = typeof Int32Array !== 'undefined' && typeof table.subarray == "function" ? table.subarray(n * 256, n * 256 + 256) : table.slice(n * 256, n * 256 + 256);
 	return out;
 }
 var TT = slice_by_16_tables(T0);

bits/87_read.js

@@ -50,7 +50,13 @@ function read_plaintext_raw(data/*:RawData*/, o/*:ParseOpts*/)/*:Workbook*/ {
 function read_utf16(data/*:RawData*/, o/*:ParseOpts*/)/*:Workbook*/ {
 	var d = data;
 	if(o.type == 'base64') d = Base64_decode(d);
-	d = typeof $cptable !== "undefined" ? $cptable.utils.decode(1200, d.slice(2), 'str') : utf16leread(d.slice(2));
+	if(typeof ArrayBuffer !== "undefined" && data instanceof ArrayBuffer) d = new Uint8Array(data);
+	d = typeof $cptable !== "undefined" ? $cptable.utils.decode(1200, d.slice(2), 'str') : (
+		(has_buf && Buffer.isBuffer(data)) ? data.slice(2).toString("utf16le") :
+		(typeof Uint8Array !== "undefined" && d instanceof Uint8Array) ? (
+			typeof TextDecoder !== "undefined" ? new TextDecoder("utf-16le").decode(d.slice(2)) : utf16lereadu(d.slice(2))
+		) : utf16leread(d.slice(2))
+	);
 	o.type = "binary";
 	return read_plaintext(d, o);
 }

types/index.d.ts

@@ -693,6 +693,9 @@ export interface CellObject {
     /** Range of enclosing array if formula is array formula (if applicable) */
     F?: string;
 
+    /** If true, cell is a dynamic array formula (for supported file formats) */
+    D?: boolean;
+
     /** Rich text encoding (if applicable) */
     r?: any;
 

xlsx.mjs

@@ -47,6 +47,11 @@ function utf16leread(data/*:string*/)/*:string*/ {
 	for(var i = 0; i < (data.length>>1); ++i) o[i] = String.fromCharCode(data.charCodeAt(2*i) + (data.charCodeAt(2*i+1)<<8));
 	return o.join("");
 }
+function utf16lereadu(data/*:Uint8Array*/)/*:string*/ {
+	var o/*:Array<string>*/ = [];
+	for(var i = 0; i < (data.length>>1); ++i) o[i] = String.fromCharCode(data[2*i] + (data[2*i+1]<<8));
+	return o.join("");
+}
 function utf16beread(data/*:string*/)/*:string*/ {
 	var o/*:Array<string>*/ = [];
 	for(var i = 0; i < (data.length>>1); ++i) o[i] = String.fromCharCode(data.charCodeAt(2*i+1) + (data.charCodeAt(2*i)<<8));
@@ -1435,7 +1440,7 @@ function slice_by_16_tables(T) {
 		for(c = 256 + n; c < 4096; c += 256) v = table[c] = (v >>> 8) ^ T[v & 0xFF];
 	}
 	var out = [];
-	for(n = 1; n != 16; ++n) out[n - 1] = typeof Int32Array !== 'undefined' ? table.subarray(n * 256, n * 256 + 256) : table.slice(n * 256, n * 256 + 256);
+	for(n = 1; n != 16; ++n) out[n - 1] = typeof Int32Array !== 'undefined' && typeof table.subarray == "function" ? table.subarray(n * 256, n * 256 + 256) : table.slice(n * 256, n * 256 + 256);
 	return out;
 }
 var TT = slice_by_16_tables(T0);
@@ -25719,7 +25724,13 @@ function read_plaintext_raw(data/*:RawData*/, o/*:ParseOpts*/)/*:Workbook*/ {
 function read_utf16(data/*:RawData*/, o/*:ParseOpts*/)/*:Workbook*/ {
 	var d = data;
 	if(o.type == 'base64') d = Base64_decode(d);
-	d = typeof $cptable !== "undefined" ? $cptable.utils.decode(1200, d.slice(2), 'str') : utf16leread(d.slice(2));
+	if(typeof ArrayBuffer !== "undefined" && data instanceof ArrayBuffer) d = new Uint8Array(data);
+	d = typeof $cptable !== "undefined" ? $cptable.utils.decode(1200, d.slice(2), 'str') : (
+		(has_buf && Buffer.isBuffer(data)) ? data.slice(2).toString("utf16le") :
+		(typeof Uint8Array !== "undefined" && d instanceof Uint8Array) ? (
+			typeof TextDecoder !== "undefined" ? new TextDecoder("utf-16le").decode(d.slice(2)) : utf16lereadu(d.slice(2))
+		) : utf16leread(d.slice(2))
+	);
 	o.type = "binary";
 	return read_plaintext(d, o);
 }