V1_commit_RGC

SuiviREForamteur/node_modules/utrie/dist/lib/Util.js

@@ -0,0 +1,54 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.polyUint32Array = exports.polyUint16Array = exports.decode = void 0;
+var chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
+// Use a lookup table to find the index.
+var lookup = typeof Uint8Array === 'undefined' ? [] : new Uint8Array(256);
+for (var i = 0; i < chars.length; i++) {
+    lookup[chars.charCodeAt(i)] = i;
+}
+var decode = function (base64) {
+    var bufferLength = base64.length * 0.75, len = base64.length, i, p = 0, encoded1, encoded2, encoded3, encoded4;
+    if (base64[base64.length - 1] === '=') {
+        bufferLength--;
+        if (base64[base64.length - 2] === '=') {
+            bufferLength--;
+        }
+    }
+    var buffer = typeof ArrayBuffer !== 'undefined' &&
+        typeof Uint8Array !== 'undefined' &&
+        typeof Uint8Array.prototype.slice !== 'undefined'
+        ? new ArrayBuffer(bufferLength)
+        : new Array(bufferLength);
+    var bytes = Array.isArray(buffer) ? buffer : new Uint8Array(buffer);
+    for (i = 0; i < len; i += 4) {
+        encoded1 = lookup[base64.charCodeAt(i)];
+        encoded2 = lookup[base64.charCodeAt(i + 1)];
+        encoded3 = lookup[base64.charCodeAt(i + 2)];
+        encoded4 = lookup[base64.charCodeAt(i + 3)];
+        bytes[p++] = (encoded1 << 2) | (encoded2 >> 4);
+        bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2);
+        bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63);
+    }
+    return buffer;
+};
+exports.decode = decode;
+var polyUint16Array = function (buffer) {
+    var length = buffer.length;
+    var bytes = [];
+    for (var i = 0; i < length; i += 2) {
+        bytes.push((buffer[i + 1] << 8) | buffer[i]);
+    }
+    return bytes;
+};
+exports.polyUint16Array = polyUint16Array;
+var polyUint32Array = function (buffer) {
+    var length = buffer.length;
+    var bytes = [];
+    for (var i = 0; i < length; i += 4) {
+        bytes.push((buffer[i + 3] << 24) | (buffer[i + 2] << 16) | (buffer[i + 1] << 8) | buffer[i]);
+    }
+    return bytes;
+};
+exports.polyUint32Array = polyUint32Array;
+//# sourceMappingURL=Util.js.map