"use strict";

exports.__esModule = true;
exports.default = void 0;

var _sourceMap = _interopRequireDefault(require("source-map"));

var _path = _interopRequireDefault(require("path"));

var _fs = _interopRequireDefault(require("fs"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function fromBase64(str) {
  if (Buffer) {
    return Buffer.from(str, 'base64').toString();
  } else {
    return window.atob(str);
  }
}
/**
 * Source map information from input CSS.
 * For example, source map after Sass compiler.
 *
 * This class will automatically find source map in input CSS or in file system
 * near input file (according `from` option).
 *
 * @example
 * const root = postcss.parse(css, { from: 'a.sass.css' })
 * root.input.map //=> PreviousMap
 */


var PreviousMap =
/*#__PURE__*/
function () {
  /**
   * @param {string}         css    Input CSS source.
   * @param {processOptions} [opts] {@link Processor#process} options.
   */
  function PreviousMap(css, opts) {
    this.loadAnnotation(css);
    /**
     * Was source map inlined by data-uri to input CSS.
     *
     * @type {boolean}
     */

    this.inline = this.startWith(this.annotation, 'data:');
    var prev = opts.map ? opts.map.prev : undefined;
    var text = this.loadMap(opts.from, prev);
    if (text) this.text = text;
  }
  /**
   * Create a instance of `SourceMapGenerator` class
   * from the `source-map` library to work with source map information.
   *
   * It is lazy method, so it will create object only on first call
   * and then it will use cache.
   *
   * @return {SourceMapGenerator} Object with source map information.
   */


  var _proto = PreviousMap.prototype;

  _proto.consumer = function consumer() {
    if (!this.consumerCache) {
      this.consumerCache = new _sourceMap.default.SourceMapConsumer(this.text);
    }

    return this.consumerCache;
  }
  /**
   * Does source map contains `sourcesContent` with input source text.
   *
   * @return {boolean} Is `sourcesContent` present.
   */
  ;

  _proto.withContent = function withContent() {
    return !!(this.consumer().sourcesContent && this.consumer().sourcesContent.length > 0);
  };

  _proto.startWith = function startWith(string, start) {
    if (!string) return false;
    return string.substr(0, start.length) === start;
  };

  _proto.getAnnotationURL = function getAnnotationURL(sourceMapString) {
    return sourceMapString.match(/\/\*\s*# sourceMappingURL=(.*)\s*\*\//)[1].trim();
  };

  _proto.loadAnnotation = function loadAnnotation(css) {
    var annotations = css.match(/\/\*\s*# sourceMappingURL=(.*)\s*\*\//mg);

    if (annotations && annotations.length > 0) {
      // Locate the last sourceMappingURL to avoid picking up
      // sourceMappingURLs from comments, strings, etc.
      var lastAnnotation = annotations[annotations.length - 1];

      if (lastAnnotation) {
        this.annotation = this.getAnnotationURL(lastAnnotation);
      }
    }
  };

  _proto.decodeInline = function decodeInline(text) {
    var baseCharsetUri = /^data:application\/json;charset=utf-?8;base64,/;
    var baseUri = /^data:application\/json;base64,/;
    var uri = 'data:application/json,';

    if (this.startWith(text, uri)) {
      return decodeURIComponent(text.substr(uri.length));
    }

    if (baseCharsetUri.test(text) || baseUri.test(text)) {
      return fromBase64(text.substr(RegExp.lastMatch.length));
    }

    var encoding = text.match(/data:application\/json;([^,]+),/)[1];
    throw new Error('Unsupported source map encoding ' + encoding);
  };

  _proto.loadMap = function loadMap(file, prev) {
    if (prev === false) return false;

    if (prev) {
      if (typeof prev === 'string') {
        return prev;
      } else if (typeof prev === 'function') {
        var prevPath = prev(file);

        if (prevPath && _fs.default.existsSync && _fs.default.existsSync(prevPath)) {
          return _fs.default.readFileSync(prevPath, 'utf-8').toString().trim();
        } else {
          throw new Error('Unable to load previous source map: ' + prevPath.toString());
        }
      } else if (prev instanceof _sourceMap.default.SourceMapConsumer) {
        return _sourceMap.default.SourceMapGenerator.fromSourceMap(prev).toString();
      } else if (prev instanceof _sourceMap.default.SourceMapGenerator) {
        return prev.toString();
      } else if (this.isMap(prev)) {
        return JSON.stringify(prev);
      } else {
        throw new Error('Unsupported previous source map format: ' + prev.toString());
      }
    } else if (this.inline) {
      return this.decodeInline(this.annotation);
    } else if (this.annotation) {
      var map = this.annotation;
      if (file) map = _path.default.join(_path.default.dirname(file), map);
      this.root = _path.default.dirname(map);

      if (_fs.default.existsSync && _fs.default.existsSync(map)) {
        return _fs.default.readFileSync(map, 'utf-8').toString().trim();
      } else {
        return false;
      }
    }
  };

  _proto.isMap = function isMap(map) {
    if (typeof map !== 'object') return false;
    return typeof map.mappings === 'string' || typeof map._mappings === 'string';
  };

  return PreviousMap;
}();

var _default = PreviousMap;
exports.default = _default;
module.exports = exports.default;
//# sourceMappingURL=data:application/json;charset=utf8;base64,{"version":3,"sources":["previous-map.es6"],"names":["fromBase64","str","Buffer","from","toString","window","atob","PreviousMap","css","opts","loadAnnotation","inline","startWith","annotation","prev","map","undefined","text","loadMap","consumer","consumerCache","mozilla","SourceMapConsumer","withContent","sourcesContent","length","string","start","substr","getAnnotationURL","sourceMapString","match","trim","annotations","lastAnnotation","decodeInline","baseCharsetUri","baseUri","uri","decodeURIComponent","test","RegExp","lastMatch","encoding","Error","file","prevPath","fs","existsSync","readFileSync","SourceMapGenerator","fromSourceMap","isMap","JSON","stringify","path","join","dirname","root","mappings","_mappings"],"mappings":";;;;;AAAA;;AACA;;AACA;;;;AAEA,SAASA,UAAT,CAAqBC,GAArB,EAA0B;AACxB,MAAIC,MAAJ,EAAY;AACV,WAAOA,MAAM,CAACC,IAAP,CAAYF,GAAZ,EAAiB,QAAjB,EAA2BG,QAA3B,EAAP;AACD,GAFD,MAEO;AACL,WAAOC,MAAM,CAACC,IAAP,CAAYL,GAAZ,CAAP;AACD;AACF;AAED;;;;;;;;;;;;;IAWMM,W;;;AACJ;;;;AAIA,uBAAaC,GAAb,EAAkBC,IAAlB,EAAwB;AACtB,SAAKC,cAAL,CAAoBF,GAApB;AACA;;;;;;AAKA,SAAKG,MAAL,GAAc,KAAKC,SAAL,CAAe,KAAKC,UAApB,EAAgC,OAAhC,CAAd;AAEA,QAAIC,IAAI,GAAGL,IAAI,CAACM,GAAL,GAAWN,IAAI,CAACM,GAAL,CAASD,IAApB,GAA2BE,SAAtC;AACA,QAAIC,IAAI,GAAG,KAAKC,OAAL,CAAaT,IAAI,CAACN,IAAlB,EAAwBW,IAAxB,CAAX;AACA,QAAIG,IAAJ,EAAU,KAAKA,IAAL,GAAYA,IAAZ;AACX;AAED;;;;;;;;;;;;;SASAE,Q,GAAA,oBAAY;AACV,QAAI,CAAC,KAAKC,aAAV,EAAyB;AACvB,WAAKA,aAAL,GAAqB,IAAIC,mBAAQC,iBAAZ,CAA8B,KAAKL,IAAnC,CAArB;AACD;;AACD,WAAO,KAAKG,aAAZ;AACD;AAED;;;;;;;SAKAG,W,GAAA,uBAAe;AACb,WAAO,CAAC,EAAE,KAAKJ,QAAL,GAAgBK,cAAhB,IACA,KAAKL,QAAL,GAAgBK,cAAhB,CAA+BC,MAA/B,GAAwC,CAD1C,CAAR;AAED,G;;SAEDb,S,GAAA,mBAAWc,MAAX,EAAmBC,KAAnB,EAA0B;AACxB,QAAI,CAACD,MAAL,EAAa,OAAO,KAAP;AACb,WAAOA,MAAM,CAACE,MAAP,CAAc,CAAd,EAAiBD,KAAK,CAACF,MAAvB,MAAmCE,KAA1C;AACD,G;;SAEDE,gB,GAAA,0BAAkBC,eAAlB,EAAmC;AACjC,WAAOA,eAAe,CACnBC,KADI,CACE,uCADF,EAC2C,CAD3C,EAEJC,IAFI,EAAP;AAGD,G;;SAEDtB,c,GAAA,wBAAgBF,GAAhB,EAAqB;AACnB,QAAIyB,WAAW,GAAGzB,GAAG,CAACuB,KAAJ,CAAU,yCAAV,CAAlB;;AAEA,QAAIE,WAAW,IAAIA,WAAW,CAACR,MAAZ,GAAqB,CAAxC,EAA2C;AACzC;AACA;AACA,UAAIS,cAAc,GAAGD,WAAW,CAACA,WAAW,CAACR,MAAZ,GAAqB,CAAtB,CAAhC;;AACA,UAAIS,cAAJ,EAAoB;AAClB,aAAKrB,UAAL,GAAkB,KAAKgB,gBAAL,CAAsBK,cAAtB,CAAlB;AACD;AACF;AACF,G;;SAEDC,Y,GAAA,sBAAclB,IAAd,EAAoB;AAClB,QAAImB,cAAc,GAAG,gDAArB;AACA,QAAIC,OAAO,GAAG,iCAAd;AACA,QAAIC,GAAG,GAAG,wBAAV;;AAEA,QAAI,KAAK1B,SAAL,CAAeK,IAAf,EAAqBqB,GAArB,CAAJ,EAA+B;AAC7B,aAAOC,kBAAkB,CAACtB,IAAI,CAACW,MAAL,CAAYU,GAAG,CAACb,MAAhB,CAAD,CAAzB;AACD;;AAED,QAAIW,cAAc,CAACI,IAAf,CAAoBvB,IAApB,KAA6BoB,OAAO,CAACG,IAAR,CAAavB,IAAb,CAAjC,EAAqD;AACnD,aAAOjB,UAAU,CAACiB,IAAI,CAACW,MAAL,CAAYa,MAAM,CAACC,SAAP,CAAiBjB,MAA7B,CAAD,CAAjB;AACD;;AAED,QAAIkB,QAAQ,GAAG1B,IAAI,CAACc,KAAL,CAAW,iCAAX,EAA8C,CAA9C,CAAf;AACA,UAAM,IAAIa,KAAJ,CAAU,qCAAqCD,QAA/C,CAAN;AACD,G;;SAEDzB,O,GAAA,iBAAS2B,IAAT,EAAe/B,IAAf,EAAqB;AACnB,QAAIA,IAAI,KAAK,KAAb,EAAoB,OAAO,KAAP;;AAEpB,QAAIA,IAAJ,EAAU;AACR,UAAI,OAAOA,IAAP,KAAgB,QAApB,EAA8B;AAC5B,eAAOA,IAAP;AACD,OAFD,MAEO,IAAI,OAAOA,IAAP,KAAgB,UAApB,EAAgC;AACrC,YAAIgC,QAAQ,GAAGhC,IAAI,CAAC+B,IAAD,CAAnB;;AACA,YAAIC,QAAQ,IAAIC,YAAGC,UAAf,IAA6BD,YAAGC,UAAH,CAAcF,QAAd,CAAjC,EAA0D;AACxD,iBAAOC,YAAGE,YAAH,CAAgBH,QAAhB,EAA0B,OAA1B,EAAmC1C,QAAnC,GAA8C4B,IAA9C,EAAP;AACD,SAFD,MAEO;AACL,gBAAM,IAAIY,KAAJ,CACJ,yCAAyCE,QAAQ,CAAC1C,QAAT,EADrC,CAAN;AAED;AACF,OARM,MAQA,IAAIU,IAAI,YAAYO,mBAAQC,iBAA5B,EAA+C;AACpD,eAAOD,mBAAQ6B,kBAAR,CAA2BC,aAA3B,CAAyCrC,IAAzC,EAA+CV,QAA/C,EAAP;AACD,OAFM,MAEA,IAAIU,IAAI,YAAYO,mBAAQ6B,kBAA5B,EAAgD;AACrD,eAAOpC,IAAI,CAACV,QAAL,EAAP;AACD,OAFM,MAEA,IAAI,KAAKgD,KAAL,CAAWtC,IAAX,CAAJ,EAAsB;AAC3B,eAAOuC,IAAI,CAACC,SAAL,CAAexC,IAAf,CAAP;AACD,OAFM,MAEA;AACL,cAAM,IAAI8B,KAAJ,CACJ,6CAA6C9B,IAAI,CAACV,QAAL,EADzC,CAAN;AAED;AACF,KArBD,MAqBO,IAAI,KAAKO,MAAT,EAAiB;AACtB,aAAO,KAAKwB,YAAL,CAAkB,KAAKtB,UAAvB,CAAP;AACD,KAFM,MAEA,IAAI,KAAKA,UAAT,EAAqB;AAC1B,UAAIE,GAAG,GAAG,KAAKF,UAAf;AACA,UAAIgC,IAAJ,EAAU9B,GAAG,GAAGwC,cAAKC,IAAL,CAAUD,cAAKE,OAAL,CAAaZ,IAAb,CAAV,EAA8B9B,GAA9B,CAAN;AAEV,WAAK2C,IAAL,GAAYH,cAAKE,OAAL,CAAa1C,GAAb,CAAZ;;AACA,UAAIgC,YAAGC,UAAH,IAAiBD,YAAGC,UAAH,CAAcjC,GAAd,CAArB,EAAyC;AACvC,eAAOgC,YAAGE,YAAH,CAAgBlC,GAAhB,EAAqB,OAArB,EAA8BX,QAA9B,GAAyC4B,IAAzC,EAAP;AACD,OAFD,MAEO;AACL,eAAO,KAAP;AACD;AACF;AACF,G;;SAEDoB,K,GAAA,eAAOrC,GAAP,EAAY;AACV,QAAI,OAAOA,GAAP,KAAe,QAAnB,EAA6B,OAAO,KAAP;AAC7B,WAAO,OAAOA,GAAG,CAAC4C,QAAX,KAAwB,QAAxB,IAAoC,OAAO5C,GAAG,CAAC6C,SAAX,KAAyB,QAApE;AACD,G;;;;;eAGYrD,W","sourcesContent":["import mozilla from 'source-map'\nimport path from 'path'\nimport fs from 'fs'\n\nfunction fromBase64 (str) {\n  if (Buffer) {\n    return Buffer.from(str, 'base64').toString()\n  } else {\n    return window.atob(str)\n  }\n}\n\n/**\n * Source map information from input CSS.\n * For example, source map after Sass compiler.\n *\n * This class will automatically find source map in input CSS or in file system\n * near input file (according `from` option).\n *\n * @example\n * const root = postcss.parse(css, { from: 'a.sass.css' })\n * root.input.map //=> PreviousMap\n */\nclass PreviousMap {\n  /**\n   * @param {string}         css    Input CSS source.\n   * @param {processOptions} [opts] {@link Processor#process} options.\n   */\n  constructor (css, opts) {\n    this.loadAnnotation(css)\n    /**\n     * Was source map inlined by data-uri to input CSS.\n     *\n     * @type {boolean}\n     */\n    this.inline = this.startWith(this.annotation, 'data:')\n\n    let prev = opts.map ? opts.map.prev : undefined\n    let text = this.loadMap(opts.from, prev)\n    if (text) this.text = text\n  }\n\n  /**\n   * Create a instance of `SourceMapGenerator` class\n   * from the `source-map` library to work with source map information.\n   *\n   * It is lazy method, so it will create object only on first call\n   * and then it will use cache.\n   *\n   * @return {SourceMapGenerator} Object with source map information.\n   */\n  consumer () {\n    if (!this.consumerCache) {\n      this.consumerCache = new mozilla.SourceMapConsumer(this.text)\n    }\n    return this.consumerCache\n  }\n\n  /**\n   * Does source map contains `sourcesContent` with input source text.\n   *\n   * @return {boolean} Is `sourcesContent` present.\n   */\n  withContent () {\n    return !!(this.consumer().sourcesContent &&\n              this.consumer().sourcesContent.length > 0)\n  }\n\n  startWith (string, start) {\n    if (!string) return false\n    return string.substr(0, start.length) === start\n  }\n\n  getAnnotationURL (sourceMapString) {\n    return sourceMapString\n      .match(/\\/\\*\\s*# sourceMappingURL=(.*)\\s*\\*\\//)[1]\n      .trim()\n  }\n\n  loadAnnotation (css) {\n    let annotations = css.match(/\\/\\*\\s*# sourceMappingURL=(.*)\\s*\\*\\//mg)\n\n    if (annotations && annotations.length > 0) {\n      // Locate the last sourceMappingURL to avoid picking up\n      // sourceMappingURLs from comments, strings, etc.\n      let lastAnnotation = annotations[annotations.length - 1]\n      if (lastAnnotation) {\n        this.annotation = this.getAnnotationURL(lastAnnotation)\n      }\n    }\n  }\n\n  decodeInline (text) {\n    let baseCharsetUri = /^data:application\\/json;charset=utf-?8;base64,/\n    let baseUri = /^data:application\\/json;base64,/\n    let uri = 'data:application/json,'\n\n    if (this.startWith(text, uri)) {\n      return decodeURIComponent(text.substr(uri.length))\n    }\n\n    if (baseCharsetUri.test(text) || baseUri.test(text)) {\n      return fromBase64(text.substr(RegExp.lastMatch.length))\n    }\n\n    let encoding = text.match(/data:application\\/json;([^,]+),/)[1]\n    throw new Error('Unsupported source map encoding ' + encoding)\n  }\n\n  loadMap (file, prev) {\n    if (prev === false) return false\n\n    if (prev) {\n      if (typeof prev === 'string') {\n        return prev\n      } else if (typeof prev === 'function') {\n        let prevPath = prev(file)\n        if (prevPath && fs.existsSync && fs.existsSync(prevPath)) {\n          return fs.readFileSync(prevPath, 'utf-8').toString().trim()\n        } else {\n          throw new Error(\n            'Unable to load previous source map: ' + prevPath.toString())\n        }\n      } else if (prev instanceof mozilla.SourceMapConsumer) {\n        return mozilla.SourceMapGenerator.fromSourceMap(prev).toString()\n      } else if (prev instanceof mozilla.SourceMapGenerator) {\n        return prev.toString()\n      } else if (this.isMap(prev)) {\n        return JSON.stringify(prev)\n      } else {\n        throw new Error(\n          'Unsupported previous source map format: ' + prev.toString())\n      }\n    } else if (this.inline) {\n      return this.decodeInline(this.annotation)\n    } else if (this.annotation) {\n      let map = this.annotation\n      if (file) map = path.join(path.dirname(file), map)\n\n      this.root = path.dirname(map)\n      if (fs.existsSync && fs.existsSync(map)) {\n        return fs.readFileSync(map, 'utf-8').toString().trim()\n      } else {\n        return false\n      }\n    }\n  }\n\n  isMap (map) {\n    if (typeof map !== 'object') return false\n    return typeof map.mappings === 'string' || typeof map._mappings === 'string'\n  }\n}\n\nexport default PreviousMap\n"],"file":"previous-map.js"}