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-rw-r--r--node_modules/rollup-plugin-node-polyfills/polyfills/zlib-lib/utils.js73
1 files changed, 73 insertions, 0 deletions
diff --git a/node_modules/rollup-plugin-node-polyfills/polyfills/zlib-lib/utils.js b/node_modules/rollup-plugin-node-polyfills/polyfills/zlib-lib/utils.js
new file mode 100644
index 0000000..c9f0df2
--- /dev/null
+++ b/node_modules/rollup-plugin-node-polyfills/polyfills/zlib-lib/utils.js
@@ -0,0 +1,73 @@
+'use strict';
+
+
+var TYPED_OK = (typeof Uint8Array !== 'undefined') &&
+ (typeof Uint16Array !== 'undefined') &&
+ (typeof Int32Array !== 'undefined');
+
+
+export function assign(obj /*from1, from2, from3, ...*/) {
+ var sources = Array.prototype.slice.call(arguments, 1);
+ while (sources.length) {
+ var source = sources.shift();
+ if (!source) { continue; }
+
+ if (typeof source !== 'object') {
+ throw new TypeError(source + 'must be non-object');
+ }
+
+ for (var p in source) {
+ if (source.hasOwnProperty(p)) {
+ obj[p] = source[p];
+ }
+ }
+ }
+
+ return obj;
+}
+
+
+// reduce buffer size, avoiding mem copy
+export function shrinkBuf(buf, size) {
+ if (buf.length === size) { return buf; }
+ if (buf.subarray) { return buf.subarray(0, size); }
+ buf.length = size;
+ return buf;
+}
+export function arraySet(dest, src, src_offs, len, dest_offs) {
+ if (src.subarray && dest.subarray) {
+ dest.set(src.subarray(src_offs, src_offs + len), dest_offs);
+ return;
+ }
+ // Fallback to ordinary array
+ for (var i = 0; i < len; i++) {
+ dest[dest_offs + i] = src[src_offs + i];
+ }
+}
+export function flattenChunks(chunks) {
+ var i, l, len, pos, chunk, result;
+
+ // calculate data length
+ len = 0;
+ for (i = 0, l = chunks.length; i < l; i++) {
+ len += chunks[i].length;
+ }
+
+ // join chunks
+ result = new Uint8Array(len);
+ pos = 0;
+ for (i = 0, l = chunks.length; i < l; i++) {
+ chunk = chunks[i];
+ result.set(chunk, pos);
+ pos += chunk.length;
+ }
+
+ return result;
+}
+
+
+export var Buf8 = Uint8Array;
+export var Buf16 = Uint16Array;
+export var Buf32 = Int32Array;
+// Enable/Disable typed arrays use, for testing
+//