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authorlittleblack111 <littleblack11111@gmail.com>2023-10-31 15:37:35 +0800
committerlittleblack111 <littleblack11111@gmail.com>2023-10-31 15:37:35 +0800
commitd5f14083061f2ce6a42313188443a42e30796320 (patch)
treecc6a9889e08b29595a76a33b9e7b4ef84866468b /node_modules/@webassemblyjs/utf8/src
parentb1a6ea021f29f182b62f9f81024a3d8ac8621b7f (diff)
added make browserlist(autoprefixer) work fixed
Diffstat (limited to 'node_modules/@webassemblyjs/utf8/src')
-rw-r--r--node_modules/@webassemblyjs/utf8/src/decoder.js67
-rw-r--r--node_modules/@webassemblyjs/utf8/src/encoder.js44
-rw-r--r--node_modules/@webassemblyjs/utf8/src/index.js4
3 files changed, 115 insertions, 0 deletions
diff --git a/node_modules/@webassemblyjs/utf8/src/decoder.js b/node_modules/@webassemblyjs/utf8/src/decoder.js
new file mode 100644
index 00000000..de80d125
--- /dev/null
+++ b/node_modules/@webassemblyjs/utf8/src/decoder.js
@@ -0,0 +1,67 @@
+function con(b) {
+ if ((b & 0xc0) === 0x80) {
+ return b & 0x3f;
+ } else {
+ throw new Error("invalid UTF-8 encoding");
+ }
+}
+
+function code(min, n) {
+ if (n < min || (0xd800 <= n && n < 0xe000) || n >= 0x10000) {
+ throw new Error("invalid UTF-8 encoding");
+ } else {
+ return n;
+ }
+}
+
+export function decode(bytes) {
+ return _decode(bytes)
+ .map((x) => String.fromCharCode(x))
+ .join("");
+}
+
+function _decode(bytes) {
+ const result = [];
+ while (bytes.length > 0) {
+ const b1 = bytes[0];
+ if (b1 < 0x80) {
+ result.push(code(0x0, b1));
+ bytes = bytes.slice(1);
+ continue;
+ }
+
+ if (b1 < 0xc0) {
+ throw new Error("invalid UTF-8 encoding");
+ }
+
+ const b2 = bytes[1];
+ if (b1 < 0xe0) {
+ result.push(code(0x80, ((b1 & 0x1f) << 6) + con(b2)));
+ bytes = bytes.slice(2);
+ continue;
+ }
+
+ const b3 = bytes[2];
+ if (b1 < 0xf0) {
+ result.push(code(0x800, ((b1 & 0x0f) << 12) + (con(b2) << 6) + con(b3)));
+ bytes = bytes.slice(3);
+ continue;
+ }
+
+ const b4 = bytes[3];
+ if (b1 < 0xf8) {
+ result.push(
+ code(
+ 0x10000,
+ ((((b1 & 0x07) << 18) + con(b2)) << 12) + (con(b3) << 6) + con(b4)
+ )
+ );
+ bytes = bytes.slice(4);
+ continue;
+ }
+
+ throw new Error("invalid UTF-8 encoding");
+ }
+
+ return result;
+}
diff --git a/node_modules/@webassemblyjs/utf8/src/encoder.js b/node_modules/@webassemblyjs/utf8/src/encoder.js
new file mode 100644
index 00000000..b17951fd
--- /dev/null
+++ b/node_modules/@webassemblyjs/utf8/src/encoder.js
@@ -0,0 +1,44 @@
+function con(n) {
+ return 0x80 | (n & 0x3f);
+}
+
+export function encode(str) {
+ const arr = str.split("").map((x) => x.charCodeAt(0));
+ return _encode(arr);
+}
+
+function _encode(arr) {
+ if (arr.length === 0) {
+ return [];
+ }
+
+ const [n, ...ns] = arr;
+
+ if (n < 0) {
+ throw new Error("utf8");
+ }
+
+ if (n < 0x80) {
+ return [n, ..._encode(ns)];
+ }
+
+ if (n < 0x800) {
+ return [0xc0 | (n >>> 6), con(n), ..._encode(ns)];
+ }
+
+ if (n < 0x10000) {
+ return [0xe0 | (n >>> 12), con(n >>> 6), con(n), ..._encode(ns)];
+ }
+
+ if (n < 0x110000) {
+ return [
+ 0xf0 | (n >>> 18),
+ con(n >>> 12),
+ con(n >>> 6),
+ con(n),
+ ..._encode(ns),
+ ];
+ }
+
+ throw new Error("utf8");
+}
diff --git a/node_modules/@webassemblyjs/utf8/src/index.js b/node_modules/@webassemblyjs/utf8/src/index.js
new file mode 100644
index 00000000..82cf9a70
--- /dev/null
+++ b/node_modules/@webassemblyjs/utf8/src/index.js
@@ -0,0 +1,4 @@
+// @flow
+
+export { decode } from "./decoder";
+export { encode } from "./encoder";