sheetjs/packages/dta/dist/dta.min.js.map

{
  "version": 3,
  "sources": ["../dta.ts"],
  "sourcesContent": ["import { CellObject, DenseWorkSheet, WorkBook, type utils } from 'xlsx';\nexport { parse, set_utils, version };\n\nconst version = \"0.0.2\";\n\nlet _utils: typeof utils;\n/** Set internal instance of `utils`\n *\n * Usage:\n *\n * ```js\n * const XLSX = require(\"xlsx\");\n * const DTA = require(\"dta\");\n * DTA.set_utils(XLSX.utils);\n * ```\n *\n * @param utils utils object\n */\nfunction set_utils(utils: any): void {\n  _utils = utils;\n}\n\nfunction u8_to_str(u8: Uint8Array): string {\n  return new TextDecoder().decode(u8);\n}\n\n/* sadly the web zealots decided to abandon binary strings */\nfunction u8_to_latin1(u8: Uint8Array): string {\n  return new TextDecoder(\"latin1\").decode(u8);\n}\n\n\n/* TODO: generalize and map to SSF */\nfunction format_number_dta(value: number, format: string, t: number): CellObject {\n  if(value < 0) { const res = format_number_dta(-value, format, t); res.w = \"-\" + res.w; return res; }\n  const o: CellObject = { t: \"n\", v: value };\n  /* NOTE: The Stata CSV exporter appears to ignore the column formats, instead using these defaults */\n  switch(t) {\n    case 251: case 0x62: case 65530: format = \"%8.0g\"; break; // byte\n    case 252: case 0x69: case 65529: format = \"%8.0g\"; break; // int\n    case 253: case 0x6c: case 65528: format = \"%12.0g\"; break; // long\n    case 254: case 0x66: case 65527: format = \"%9.0g\"; break; // float\n    case 255: case 0x64: case 65526: format = \"%10.0g\"; break; // double\n    default: throw t;\n  }\n  try {\n    let w = +((format.match(/%(\\d+)/)||[])[1]) || 8;\n    let k = 0;\n    if(value < 1) ++k;\n    if(value < 0.1) ++k;\n    if(value < 0.01) ++k;\n    if(value < 0.001) ++k;\n    const e = value.toExponential();\n    const exp = e.indexOf(\"e\") == -1 ? 0 : +e.slice(e.indexOf(\"e\")+1);\n    let h = w - 2 - exp;\n    if(h < 0) h = 0;\n    var m = format.match(/%\\d+\\.(\\d+)/);\n    if(m && +m[1]) h = +m[1];\n    o.w = (Math.round(value * 10**(h))/10**(h)).toFixed(h).replace(/^([-]?)0\\./,\"$1.\");\n    o.w = o.w.slice(0, w + k);\n    if(o.w.indexOf(\".\") > -1) o.w = o.w.replace(/0+$/,\"\");\n    o.w = o.w.replace(/\\.$/,\"\");\n    if(o.w == \"\") o.w = \"0\";\n  } catch(e) {}\n  return o;\n}\n\ninterface Payload {\n  /** Offset */\n  ptr: number;\n\n  /** Raw data */\n  raw: Uint8Array;\n\n  /** DataView */\n  dv: DataView;\n}\n\nfunction u8_to_dataview(array: Uint8Array): DataView { return new DataView(array.buffer, array.byteOffset, array.byteLength); }\nfunction valid_inc(p: Payload, n: string): boolean {\n  if(u8_to_str(p.raw.slice(p.ptr, p.ptr + n.length)) != n) return false;\n  p.ptr += n.length;\n  return true;\n}\n\nfunction read_f64(p: Payload, LE: boolean): number | null {\n  p.ptr += 8;\n  const d = p.dv.getFloat64(p.ptr - 8, LE);\n  return d > 8.988e+307 ? null : d;\n}\nfunction read_f32(p: Payload, LE: boolean): number | null {\n  p.ptr += 4;\n  const d = p.dv.getFloat32(p.ptr - 4, LE);\n  return d > 1.701e+38 ? null : d;\n}\nfunction read_u32(p: Payload, LE: boolean) {\n  p.ptr += 4;\n  return p.dv.getUint32(p.ptr - 4, LE);\n}\nfunction read_i32(p: Payload, LE: boolean): number | null {\n  p.ptr += 4;\n  const u = p.dv.getInt32(p.ptr - 4, LE);\n  return u > 0x7fffffe4 ? null : u;\n}\nfunction read_u16(p: Payload, LE: boolean) {\n  p.ptr += 2;\n  return p.dv.getUint16(p.ptr - 2, LE);\n}\nfunction read_i16(p: Payload, LE: boolean): number | null {\n  p.ptr += 2;\n  const u = p.dv.getInt16(p.ptr - 2, LE);\n  return u > 32740 ? null : u;\n}\nfunction read_u8(p: Payload) {\n  return p.raw[p.ptr++];\n}\nfunction read_i8(p: Payload): number | null {\n  let u = p.raw[p.ptr++];\n  u = u < 128 ? u : u - 256;\n  return u > 100 ? null : u;\n}\n\n/* the annotations are from `dtaversion` */\nconst SUPPORTED_VERSIONS_TAGGED = [\n  \"117\", // stata 13\n  \"118\", // stata 14-18\n  \"119\", // stata 15-18 (> 32767 variables)\n  \"120\", // stata 18 (<= 32767, with aliases)\n  \"121\", // stata 18 (> 32767, with aliases)\n];\nconst SUPPORTED_VERSIONS_LEGACY = [\n  102, // stata 1\n  103, // stata 2/3\n  104, // 
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}