1 files changed, 105 insertions, 0 deletions
diff --git a/ext/node/polyfills/internal/constants.ts b/ext/node/polyfills/internal/constants.ts
new file mode 100644
index 000000000..5c5cafe8d
--- /dev/null
+++ b/ext/node/polyfills/internal/constants.ts
@@ -0,0 +1,105 @@
+// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
+// Copyright Joyent and Node contributors. All rights reserved. MIT license.
+
+const { ops } = globalThis.__bootstrap.core;
+const isWindows = ops.op_node_build_os() === "windows";
+
+// Alphabet chars.
+export const CHAR_UPPERCASE_A = 65; /* A */
+export const CHAR_LOWERCASE_A = 97; /* a */
+export const CHAR_UPPERCASE_Z = 90; /* Z */
+export const CHAR_LOWERCASE_Z = 122; /* z */
+export const CHAR_UPPERCASE_C = 67; /* C */
+export const CHAR_LOWERCASE_B = 98; /* b */
+export const CHAR_LOWERCASE_E = 101; /* e */
+export const CHAR_LOWERCASE_N = 110; /* n */
+
+// Non-alphabetic chars.
+export const CHAR_DOT = 46; /* . */
+export const CHAR_FORWARD_SLASH = 47; /* / */
+export const CHAR_BACKWARD_SLASH = 92; /* \ */
+export const CHAR_VERTICAL_LINE = 124; /* | */
+export const CHAR_COLON = 58; /* = */
+export const CHAR_QUESTION_MARK = 63; /* ? */
+export const CHAR_UNDERSCORE = 95; /* _ */
+export const CHAR_LINE_FEED = 10; /* \n */
+export const CHAR_CARRIAGE_RETURN = 13; /* \r */
+export const CHAR_TAB = 9; /* \t */
+export const CHAR_FORM_FEED = 12; /* \f */
+export const CHAR_EXCLAMATION_MARK = 33; /* ! */
+export const CHAR_HASH = 35; /* # */
+export const CHAR_SPACE = 32; /*   */
+export const CHAR_NO_BREAK_SPACE = 160; /* \u00A0 */
+export const CHAR_ZERO_WIDTH_NOBREAK_SPACE = 65279; /* \uFEFF */
+export const CHAR_LEFT_SQUARE_BRACKET = 91; /* [ */
+export const CHAR_RIGHT_SQUARE_BRACKET = 93; /* ] */
+export const CHAR_LEFT_ANGLE_BRACKET = 60; /* < */
+export const CHAR_RIGHT_ANGLE_BRACKET = 62; /* > */
+export const CHAR_LEFT_CURLY_BRACKET = 123; /* { */
+export const CHAR_RIGHT_CURLY_BRACKET = 125; /* } */
+export const CHAR_HYPHEN_MINUS = 45; /* - */
+export const CHAR_PLUS = 43; /* + */
+export const CHAR_DOUBLE_QUOTE = 34; /* " */
+export const CHAR_SINGLE_QUOTE = 39; /* ' */
+export const CHAR_PERCENT = 37; /* % */
+export const CHAR_SEMICOLON = 59; /* ; */
+export const CHAR_CIRCUMFLEX_ACCENT = 94; /* ^ */
+export const CHAR_GRAVE_ACCENT = 96; /* ` */
+export const CHAR_AT = 64; /* @ */
+export const CHAR_AMPERSAND = 38; /* & */
+export const CHAR_EQUAL = 61; /* = */
+
+// Digits
+export const CHAR_0 = 48; /* 0 */
+export const CHAR_9 = 57; /* 9 */
+
+export const EOL = isWindows ? "\r\n" : "\n";
+
+export default {
+  CHAR_UPPERCASE_A,
+  CHAR_LOWERCASE_A,
+  CHAR_UPPERCASE_Z,
+  CHAR_LOWERCASE_Z,
+  CHAR_UPPERCASE_C,
+  CHAR_LOWERCASE_B,
+  CHAR_LOWERCASE_E,
+  CHAR_LOWERCASE_N,
+  CHAR_DOT,
+  CHAR_FORWARD_SLASH,
+  CHAR_BACKWARD_SLASH,
+  CHAR_VERTICAL_LINE,
+  CHAR_COLON,
+  CHAR_QUESTION_MARK,
+  CHAR_UNDERSCORE,
+  CHAR_LINE_FEED,
+  CHAR_CARRIAGE_RETURN,
+  CHAR_TAB,
+  CHAR_FORM_FEED,
+  CHAR_EXCLAMATION_MARK,
+  CHAR_HASH,
+  CHAR_SPACE,
+  CHAR_NO_BREAK_SPACE,
+  CHAR_ZERO_WIDTH_NOBREAK_SPACE,
+  CHAR_LEFT_SQUARE_BRACKET,
+  CHAR_RIGHT_SQUARE_BRACKET,
+  CHAR_LEFT_ANGLE_BRACKET,
+  CHAR_RIGHT_ANGLE_BRACKET,
+  CHAR_LEFT_CURLY_BRACKET,
+  CHAR_RIGHT_CURLY_BRACKET,
+  CHAR_HYPHEN_MINUS,
+  CHAR_PLUS,
+  CHAR_DOUBLE_QUOTE,
+  CHAR_SINGLE_QUOTE,
+  CHAR_PERCENT,
+  CHAR_SEMICOLON,
+  CHAR_CIRCUMFLEX_ACCENT,
+  CHAR_GRAVE_ACCENT,
+  CHAR_AT,
+  CHAR_AMPERSAND,
+  CHAR_EQUAL,
+
+  CHAR_0,
+  CHAR_9,
+
+  EOL,
+};