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

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.dataUriToBuffer = void 0;
+const common_1 = require("./common");
+function base64ToArrayBuffer(base64) {
+    const chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
+    const bytes = [];
+    for (let i = 0; i < base64.length; i += 4) {
+        const idx0 = chars.indexOf(base64.charAt(i));
+        const idx1 = chars.indexOf(base64.charAt(i + 1));
+        const idx2 = base64.charAt(i + 2) === '='
+            ? 0
+            : chars.indexOf(base64.charAt(i + 2));
+        const idx3 = base64.charAt(i + 3) === '='
+            ? 0
+            : chars.indexOf(base64.charAt(i + 3));
+        const bin0 = (idx0 << 2) | (idx1 >> 4);
+        const bin1 = ((idx1 & 15) << 4) | (idx2 >> 2);
+        const bin2 = ((idx2 & 3) << 6) | idx3;
+        bytes.push(bin0);
+        if (base64.charAt(i + 2) !== '=')
+            bytes.push(bin1);
+        if (base64.charAt(i + 3) !== '=')
+            bytes.push(bin2);
+    }
+    const buffer = new ArrayBuffer(bytes.length);
+    const view = new Uint8Array(buffer);
+    view.set(bytes);
+    return buffer;
+}
+function stringToBuffer(str) {
+    // Create a buffer with length equal to the string length
+    const buffer = new ArrayBuffer(str.length);
+    // Create a view to manipulate the buffer content
+    const view = new Uint8Array(buffer);
+    // Iterate over the string and populate the buffer with ASCII codes
+    for (let i = 0; i < str.length; i++) {
+        view[i] = str.charCodeAt(i);
+    }
+    return buffer;
+}
+/**
+ * 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=index.js.map