add hw2

node_modules/data-uri-to-buffer/dist/node.js

@@ -0,0 +1,26 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.dataUriToBuffer = void 0;
+const common_1 = require("./common");
+function nodeBuffertoArrayBuffer(nodeBuf) {
+    if (nodeBuf.byteLength === nodeBuf.buffer.byteLength) {
+        return nodeBuf.buffer; // large strings may get their own memory allocation
+    }
+    const buffer = new ArrayBuffer(nodeBuf.byteLength);
+    const view = new Uint8Array(buffer);
+    view.set(nodeBuf);
+    return buffer;
+}
+function base64ToArrayBuffer(base64) {
+    return nodeBuffertoArrayBuffer(Buffer.from(base64, 'base64'));
+}
+function stringToBuffer(str) {
+    return nodeBuffertoArrayBuffer(Buffer.from(str, 'ascii'));
+}
+/**
+ * Returns a `Buffer` instance from the given data URI `uri`.
+ *
+ * @param {String} uri Data URI to turn into a Buffer instance
+ */
+exports.dataUriToBuffer = (0, common_1.makeDataUriToBuffer)({ stringToBuffer, base64ToArrayBuffer });
+//# sourceMappingURL=node.js.map