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Diffstat (limited to 'node_modules/@jridgewell/sourcemap-codec/dist/sourcemap-codec.umd.js')
| -rw-r--r-- | node_modules/@jridgewell/sourcemap-codec/dist/sourcemap-codec.umd.js | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/node_modules/@jridgewell/sourcemap-codec/dist/sourcemap-codec.umd.js b/node_modules/@jridgewell/sourcemap-codec/dist/sourcemap-codec.umd.js new file mode 100644 index 0000000..b5aa0c4 --- /dev/null +++ b/node_modules/@jridgewell/sourcemap-codec/dist/sourcemap-codec.umd.js @@ -0,0 +1,175 @@ +(function (global, factory) { + typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : + typeof define === 'function' && define.amd ? define(['exports'], factory) : + (global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.sourcemapCodec = {})); +})(this, (function (exports) { 'use strict'; + + const comma = ','.charCodeAt(0); + const semicolon = ';'.charCodeAt(0); + const chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'; + const intToChar = new Uint8Array(64); // 64 possible chars. + const charToInteger = new Uint8Array(128); // z is 122 in ASCII + for (let i = 0; i < chars.length; i++) { + const c = chars.charCodeAt(i); + charToInteger[c] = i; + intToChar[i] = c; + } + // Provide a fallback for older environments. + const td = typeof TextDecoder !== 'undefined' + ? new TextDecoder() + : typeof Buffer !== 'undefined' + ? { + decode(buf) { + const out = Buffer.from(buf.buffer, buf.byteOffset, buf.byteLength); + return out.toString(); + }, + } + : { + decode(buf) { + let out = ''; + for (let i = 0; i < buf.length; i++) { + out += String.fromCharCode(buf[i]); + } + return out; + }, + }; + function decode(mappings) { + const state = new Int32Array(5); + const decoded = []; + let line = []; + let sorted = true; + let lastCol = 0; + for (let i = 0; i < mappings.length;) { + const c = mappings.charCodeAt(i); + if (c === comma) { + i++; + } + else if (c === semicolon) { + state[0] = lastCol = 0; + if (!sorted) + sort(line); + sorted = true; + decoded.push(line); + line = []; + i++; + } + else { + i = decodeInteger(mappings, i, state, 0); // generatedCodeColumn + const col = state[0]; + if (col < lastCol) + sorted = false; + lastCol = col; + if (!hasMoreSegments(mappings, i)) { + line.push([col]); + continue; + } + i = decodeInteger(mappings, i, state, 1); // sourceFileIndex + i = decodeInteger(mappings, i, state, 2); // sourceCodeLine + i = decodeInteger(mappings, i, state, 3); // sourceCodeColumn + if (!hasMoreSegments(mappings, i)) { + line.push([col, state[1], state[2], state[3]]); + continue; + } + i = decodeInteger(mappings, i, state, 4); // nameIndex + line.push([col, state[1], state[2], state[3], state[4]]); + } + } + if (!sorted) + sort(line); + decoded.push(line); + return decoded; + } + function decodeInteger(mappings, pos, state, j) { + let value = 0; + let shift = 0; + let integer = 0; + do { + const c = mappings.charCodeAt(pos++); + integer = charToInteger[c]; + value |= (integer & 31) << shift; + shift += 5; + } while (integer & 32); + const shouldNegate = value & 1; + value >>>= 1; + if (shouldNegate) { + value = -0x80000000 | -value; + } + state[j] += value; + return pos; + } + function hasMoreSegments(mappings, i) { + if (i >= mappings.length) + return false; + const c = mappings.charCodeAt(i); + if (c === comma || c === semicolon) + return false; + return true; + } + function sort(line) { + line.sort(sortComparator); + } + function sortComparator(a, b) { + return a[0] - b[0]; + } + function encode(decoded) { + const state = new Int32Array(5); + let buf = new Uint8Array(1024); + let pos = 0; + for (let i = 0; i < decoded.length; i++) { + const line = decoded[i]; + if (i > 0) { + buf = reserve(buf, pos, 1); + buf[pos++] = semicolon; + } + if (line.length === 0) + continue; + state[0] = 0; + for (let j = 0; j < line.length; j++) { + const segment = line[j]; + // We can push up to 5 ints, each int can take at most 7 chars, and we + // may push a comma. + buf = reserve(buf, pos, 36); + if (j > 0) + buf[pos++] = comma; + pos = encodeInteger(buf, pos, state, segment, 0); // generatedCodeColumn + if (segment.length === 1) + continue; + pos = encodeInteger(buf, pos, state, segment, 1); // sourceFileIndex + pos = encodeInteger(buf, pos, state, segment, 2); // sourceCodeLine + pos = encodeInteger(buf, pos, state, segment, 3); // sourceCodeColumn + if (segment.length === 4) + continue; + pos = encodeInteger(buf, pos, state, segment, 4); // nameIndex + } + } + return td.decode(buf.subarray(0, pos)); + } + function reserve(buf, pos, count) { + if (buf.length > pos + count) + return buf; + const swap = new Uint8Array(buf.length * 2); + swap.set(buf); + return swap; + } + function encodeInteger(buf, pos, state, segment, j) { + const next = segment[j]; + let num = next - state[j]; + state[j] = next; + num = num < 0 ? (-num << 1) | 1 : num << 1; + do { + let clamped = num & 0b011111; + num >>>= 5; + if (num > 0) + clamped |= 0b100000; + buf[pos++] = intToChar[clamped]; + } while (num > 0); + return pos; + } + + exports.decode = decode; + exports.encode = encode; + + Object.defineProperty(exports, '__esModule', { value: true }); + +})); +//# sourceMappingURL=sourcemap-codec.umd.js.map |