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{"version":3,"file":"sourcemap-codec.mjs","sources":["../src/vlq.ts","../src/strings.ts","../src/scopes.ts","../src/sourcemap-codec.ts"],"sourcesContent":["import type { StringReader, StringWriter } from './strings';\n\nexport const comma = ','.charCodeAt(0);\nexport const semicolon = ';'.charCodeAt(0);\n\nconst chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';\nconst intToChar = new Uint8Array(64); // 64 possible chars.\nconst charToInt = new Uint8Array(128); // z is 122 in ASCII\n\nfor (let i = 0; i < chars.length; i++) {\n const c = chars.charCodeAt(i);\n intToChar[i] = c;\n charToInt[c] = i;\n}\n\nexport function decodeInteger(reader: StringReader, relative: number): number {\n let value = 0;\n let shift = 0;\n let integer = 0;\n\n do {\n const c = reader.next();\n integer = charToInt[c];\n value |= (integer & 31) << shift;\n shift += 5;\n } while (integer & 32);\n\n const shouldNegate = value & 1;\n value >>>= 1;\n\n if (shouldNegate) {\n value = -0x80000000 | -value;\n }\n\n return relative + value;\n}\n\nexport function encodeInteger(builder: StringWriter, num: number, relative: number): number {\n let delta = num - relative;\n\n delta = delta < 0 ? (-delta << 1) | 1 : delta << 1;\n do {\n let clamped = delta & 0b011111;\n delta >>>= 5;\n if (delta > 0) clamped |= 0b100000;\n builder.write(intToChar[clamped]);\n } while (delta > 0);\n\n return num;\n}\n\nexport function hasMoreVlq(reader: StringReader, max: number) {\n if (reader.pos >= max) return false;\n return reader.peek() !== comma;\n}\n","const bufLength = 1024 * 16;\n\n// Provide a fallback for older environments.\nconst td =\n typeof TextDecoder !== 'undefined'\n ? /* #__PURE__ */ new TextDecoder()\n : typeof Buffer !== 'undefined'\n ? {\n decode(buf: Uint8Array): string {\n const out = Buffer.from(buf.buffer, buf.byteOffset, buf.byteLength);\n return out.toString();\n },\n }\n : {\n decode(buf: Uint8Array): string {\n let out = '';\n for (let i = 0; i < buf.length; i++) {\n out += String.fromCharCode(buf[i]);\n }\n return out;\n },\n };\n\nexport class StringWriter {\n pos = 0;\n private out = '';\n private buffer = new Uint8Array(bufLength);\n\n write(v: number): void {\n const { buffer } = this;\n buffer[this.pos++] = v;\n if (this.pos === bufLength) {\n this.out += td.decode(buffer);\n this.pos = 0;\n }\n }\n\n flush(): string {\n const { buffer, out, pos } = this;\n return pos > 0 ? out + td.decode(buffer.subarray(0, pos)) : out;\n }\n}\n\nexport class StringReader {\n pos = 0;\n private declare buffer: string;\n\n constructor(buffer: string) {\n this.buffer = buffer;\n }\n\n next(): number {\n return this.buffer.charCodeAt(this.pos++);\n }\n\n peek(): number {\n return this.buffer.charCodeAt(this.pos);\n }\n\n indexOf(char: string): number {\n const { buffer, pos } = this;\n const idx = buffer.indexOf(char, pos);\n return idx === -1 ? buffer.length : idx;\n }\n}\n","import { StringReader, StringWriter } from './strings';\nimport { comma, decodeInteger, encodeInteger, hasMoreVlq, semicolon } from './vlq';\n\nconst EMPTY: any[] = [];\n\ntype Line = number;\ntype Column = number;\ntype Kind = number;\ntype Name = number;\ntype Var = number;\ntype SourcesIndex = number;\ntype ScopesIndex = number;\n\ntype Mix<A, B, O> = (A & O) | (B & O);\n\nexport type OriginalScope = Mix<\n [Line, Column, Line, Column, Kind],\n [Line, Column, Line, Column, Kind, Name],\n { vars: Var[] }\n>;\n\nexport type GeneratedRange = Mix<\n [Line, Column, Line, Column],\n [Line, Column, Line, Column, SourcesIndex, ScopesIndex],\n {\n callsite: CallSite | null;\n bindings: Binding[];\n isScope: boolean;\n }\n>;\nexport type CallSite = [SourcesIndex, Line, Column];\ntype Binding = BindingExpressionRange[];\nexport type BindingExpressionRange = [Name] | [Name, Line, Column];\n\nexport function decodeOriginalScopes(inpu
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