From 8eff962cab608341a6f2fedc640a0e32d96f26e2 Mon Sep 17 00:00:00 2001 From: altaf-creator Date: Sun, 9 Nov 2025 11:15:19 +0800 Subject: pain --- .../node_modules/@protobufjs/float/index.js | 335 +++++++++++++++++++++ 1 file changed, 335 insertions(+) create mode 100644 frontend-old/node_modules/@protobufjs/float/index.js (limited to 'frontend-old/node_modules/@protobufjs/float/index.js') diff --git a/frontend-old/node_modules/@protobufjs/float/index.js b/frontend-old/node_modules/@protobufjs/float/index.js new file mode 100644 index 0000000..706d096 --- /dev/null +++ b/frontend-old/node_modules/@protobufjs/float/index.js @@ -0,0 +1,335 @@ +"use strict"; + +module.exports = factory(factory); + +/** + * Reads / writes floats / doubles from / to buffers. + * @name util.float + * @namespace + */ + +/** + * Writes a 32 bit float to a buffer using little endian byte order. + * @name util.float.writeFloatLE + * @function + * @param {number} val Value to write + * @param {Uint8Array} buf Target buffer + * @param {number} pos Target buffer offset + * @returns {undefined} + */ + +/** + * Writes a 32 bit float to a buffer using big endian byte order. + * @name util.float.writeFloatBE + * @function + * @param {number} val Value to write + * @param {Uint8Array} buf Target buffer + * @param {number} pos Target buffer offset + * @returns {undefined} + */ + +/** + * Reads a 32 bit float from a buffer using little endian byte order. + * @name util.float.readFloatLE + * @function + * @param {Uint8Array} buf Source buffer + * @param {number} pos Source buffer offset + * @returns {number} Value read + */ + +/** + * Reads a 32 bit float from a buffer using big endian byte order. + * @name util.float.readFloatBE + * @function + * @param {Uint8Array} buf Source buffer + * @param {number} pos Source buffer offset + * @returns {number} Value read + */ + +/** + * Writes a 64 bit double to a buffer using little endian byte order. + * @name util.float.writeDoubleLE + * @function + * @param {number} val Value to write + * @param {Uint8Array} buf Target buffer + * @param {number} pos Target buffer offset + * @returns {undefined} + */ + +/** + * Writes a 64 bit double to a buffer using big endian byte order. + * @name util.float.writeDoubleBE + * @function + * @param {number} val Value to write + * @param {Uint8Array} buf Target buffer + * @param {number} pos Target buffer offset + * @returns {undefined} + */ + +/** + * Reads a 64 bit double from a buffer using little endian byte order. + * @name util.float.readDoubleLE + * @function + * @param {Uint8Array} buf Source buffer + * @param {number} pos Source buffer offset + * @returns {number} Value read + */ + +/** + * Reads a 64 bit double from a buffer using big endian byte order. + * @name util.float.readDoubleBE + * @function + * @param {Uint8Array} buf Source buffer + * @param {number} pos Source buffer offset + * @returns {number} Value read + */ + +// Factory function for the purpose of node-based testing in modified global environments +function factory(exports) { + + // float: typed array + if (typeof Float32Array !== "undefined") (function() { + + var f32 = new Float32Array([ -0 ]), + f8b = new Uint8Array(f32.buffer), + le = f8b[3] === 128; + + function writeFloat_f32_cpy(val, buf, pos) { + f32[0] = val; + buf[pos ] = f8b[0]; + buf[pos + 1] = f8b[1]; + buf[pos + 2] = f8b[2]; + buf[pos + 3] = f8b[3]; + } + + function writeFloat_f32_rev(val, buf, pos) { + f32[0] = val; + buf[pos ] = f8b[3]; + buf[pos + 1] = f8b[2]; + buf[pos + 2] = f8b[1]; + buf[pos + 3] = f8b[0]; + } + + /* istanbul ignore next */ + exports.writeFloatLE = le ? writeFloat_f32_cpy : writeFloat_f32_rev; + /* istanbul ignore next */ + exports.writeFloatBE = le ? writeFloat_f32_rev : writeFloat_f32_cpy; + + function readFloat_f32_cpy(buf, pos) { + f8b[0] = buf[pos ]; + f8b[1] = buf[pos + 1]; + f8b[2] = buf[pos + 2]; + f8b[3] = buf[pos + 3]; + return f32[0]; + } + + function readFloat_f32_rev(buf, pos) { + f8b[3] = buf[pos ]; + f8b[2] = buf[pos + 1]; + f8b[1] = buf[pos + 2]; + f8b[0] = buf[pos + 3]; + return f32[0]; + } + + /* istanbul ignore next */ + exports.readFloatLE = le ? readFloat_f32_cpy : readFloat_f32_rev; + /* istanbul ignore next */ + exports.readFloatBE = le ? readFloat_f32_rev : readFloat_f32_cpy; + + // float: ieee754 + })(); else (function() { + + function writeFloat_ieee754(writeUint, val, buf, pos) { + var sign = val < 0 ? 1 : 0; + if (sign) + val = -val; + if (val === 0) + writeUint(1 / val > 0 ? /* positive */ 0 : /* negative 0 */ 2147483648, buf, pos); + else if (isNaN(val)) + writeUint(2143289344, buf, pos); + else if (val > 3.4028234663852886e+38) // +-Infinity + writeUint((sign << 31 | 2139095040) >>> 0, buf, pos); + else if (val < 1.1754943508222875e-38) // denormal + writeUint((sign << 31 | Math.round(val / 1.401298464324817e-45)) >>> 0, buf, pos); + else { + var exponent = Math.floor(Math.log(val) / Math.LN2), + mantissa = Math.round(val * Math.pow(2, -exponent) * 8388608) & 8388607; + writeUint((sign << 31 | exponent + 127 << 23 | mantissa) >>> 0, buf, pos); + } + } + + exports.writeFloatLE = writeFloat_ieee754.bind(null, writeUintLE); + exports.writeFloatBE = writeFloat_ieee754.bind(null, writeUintBE); + + function readFloat_ieee754(readUint, buf, pos) { + var uint = readUint(buf, pos), + sign = (uint >> 31) * 2 + 1, + exponent = uint >>> 23 & 255, + mantissa = uint & 8388607; + return exponent === 255 + ? mantissa + ? NaN + : sign * Infinity + : exponent === 0 // denormal + ? sign * 1.401298464324817e-45 * mantissa + : sign * Math.pow(2, exponent - 150) * (mantissa + 8388608); + } + + exports.readFloatLE = readFloat_ieee754.bind(null, readUintLE); + exports.readFloatBE = readFloat_ieee754.bind(null, readUintBE); + + })(); + + // double: typed array + if (typeof Float64Array !== "undefined") (function() { + + var f64 = new Float64Array([-0]), + f8b = new Uint8Array(f64.buffer), + le = f8b[7] === 128; + + function writeDouble_f64_cpy(val, buf, pos) { + f64[0] = val; + buf[pos ] = f8b[0]; + buf[pos + 1] = f8b[1]; + buf[pos + 2] = f8b[2]; + buf[pos + 3] = f8b[3]; + buf[pos + 4] = f8b[4]; + buf[pos + 5] = f8b[5]; + buf[pos + 6] = f8b[6]; + buf[pos + 7] = f8b[7]; + } + + function writeDouble_f64_rev(val, buf, pos) { + f64[0] = val; + buf[pos ] = f8b[7]; + buf[pos + 1] = f8b[6]; + buf[pos + 2] = f8b[5]; + buf[pos + 3] = f8b[4]; + buf[pos + 4] = f8b[3]; + buf[pos + 5] = f8b[2]; + buf[pos + 6] = f8b[1]; + buf[pos + 7] = f8b[0]; + } + + /* istanbul ignore next */ + exports.writeDoubleLE = le ? writeDouble_f64_cpy : writeDouble_f64_rev; + /* istanbul ignore next */ + exports.writeDoubleBE = le ? writeDouble_f64_rev : writeDouble_f64_cpy; + + function readDouble_f64_cpy(buf, pos) { + f8b[0] = buf[pos ]; + f8b[1] = buf[pos + 1]; + f8b[2] = buf[pos + 2]; + f8b[3] = buf[pos + 3]; + f8b[4] = buf[pos + 4]; + f8b[5] = buf[pos + 5]; + f8b[6] = buf[pos + 6]; + f8b[7] = buf[pos + 7]; + return f64[0]; + } + + function readDouble_f64_rev(buf, pos) { + f8b[7] = buf[pos ]; + f8b[6] = buf[pos + 1]; + f8b[5] = buf[pos + 2]; + f8b[4] = buf[pos + 3]; + f8b[3] = buf[pos + 4]; + f8b[2] = buf[pos + 5]; + f8b[1] = buf[pos + 6]; + f8b[0] = buf[pos + 7]; + return f64[0]; + } + + /* istanbul ignore next */ + exports.readDoubleLE = le ? readDouble_f64_cpy : readDouble_f64_rev; + /* istanbul ignore next */ + exports.readDoubleBE = le ? readDouble_f64_rev : readDouble_f64_cpy; + + // double: ieee754 + })(); else (function() { + + function writeDouble_ieee754(writeUint, off0, off1, val, buf, pos) { + var sign = val < 0 ? 1 : 0; + if (sign) + val = -val; + if (val === 0) { + writeUint(0, buf, pos + off0); + writeUint(1 / val > 0 ? /* positive */ 0 : /* negative 0 */ 2147483648, buf, pos + off1); + } else if (isNaN(val)) { + writeUint(0, buf, pos + off0); + writeUint(2146959360, buf, pos + off1); + } else if (val > 1.7976931348623157e+308) { // +-Infinity + writeUint(0, buf, pos + off0); + writeUint((sign << 31 | 2146435072) >>> 0, buf, pos + off1); + } else { + var mantissa; + if (val < 2.2250738585072014e-308) { // denormal + mantissa = val / 5e-324; + writeUint(mantissa >>> 0, buf, pos + off0); + writeUint((sign << 31 | mantissa / 4294967296) >>> 0, buf, pos + off1); + } else { + var exponent = Math.floor(Math.log(val) / Math.LN2); + if (exponent === 1024) + exponent = 1023; + mantissa = val * Math.pow(2, -exponent); + writeUint(mantissa * 4503599627370496 >>> 0, buf, pos + off0); + writeUint((sign << 31 | exponent + 1023 << 20 | mantissa * 1048576 & 1048575) >>> 0, buf, pos + off1); + } + } + } + + exports.writeDoubleLE = writeDouble_ieee754.bind(null, writeUintLE, 0, 4); + exports.writeDoubleBE = writeDouble_ieee754.bind(null, writeUintBE, 4, 0); + + function readDouble_ieee754(readUint, off0, off1, buf, pos) { + var lo = readUint(buf, pos + off0), + hi = readUint(buf, pos + off1); + var sign = (hi >> 31) * 2 + 1, + exponent = hi >>> 20 & 2047, + mantissa = 4294967296 * (hi & 1048575) + lo; + return exponent === 2047 + ? mantissa + ? NaN + : sign * Infinity + : exponent === 0 // denormal + ? sign * 5e-324 * mantissa + : sign * Math.pow(2, exponent - 1075) * (mantissa + 4503599627370496); + } + + exports.readDoubleLE = readDouble_ieee754.bind(null, readUintLE, 0, 4); + exports.readDoubleBE = readDouble_ieee754.bind(null, readUintBE, 4, 0); + + })(); + + return exports; +} + +// uint helpers + +function writeUintLE(val, buf, pos) { + buf[pos ] = val & 255; + buf[pos + 1] = val >>> 8 & 255; + buf[pos + 2] = val >>> 16 & 255; + buf[pos + 3] = val >>> 24; +} + +function writeUintBE(val, buf, pos) { + buf[pos ] = val >>> 24; + buf[pos + 1] = val >>> 16 & 255; + buf[pos + 2] = val >>> 8 & 255; + buf[pos + 3] = val & 255; +} + +function readUintLE(buf, pos) { + return (buf[pos ] + | buf[pos + 1] << 8 + | buf[pos + 2] << 16 + | buf[pos + 3] << 24) >>> 0; +} + +function readUintBE(buf, pos) { + return (buf[pos ] << 24 + | buf[pos + 1] << 16 + | buf[pos + 2] << 8 + | buf[pos + 3]) >>> 0; +} -- cgit v1.2.3