old-cto-as-you-go/CTOAsYouGo/node_modules/postcss/lib/map-generator.js

"use strict";

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

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

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

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

function _createForOfIteratorHelperLoose(o, allowArrayLike) { var it; if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; return function () { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } it = o[Symbol.iterator](); return it.next.bind(it); }

function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }

function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }

var MapGenerator = /*#__PURE__*/function () {
  function MapGenerator(stringify, root, opts) {
    this.stringify = stringify;
    this.mapOpts = opts.map || {};
    this.root = root;
    this.opts = opts;
  }

  var _proto = MapGenerator.prototype;

  _proto.isMap = function isMap() {
    if (typeof this.opts.map !== 'undefined') {
      return !!this.opts.map;
    }

    return this.previous().length > 0;
  };

  _proto.previous = function previous() {
    var _this = this;

    if (!this.previousMaps) {
      this.previousMaps = [];
      this.root.walk(function (node) {
        if (node.source && node.source.input.map) {
          var map = node.source.input.map;

          if (_this.previousMaps.indexOf(map) === -1) {
            _this.previousMaps.push(map);
          }
        }
      });
    }

    return this.previousMaps;
  };

  _proto.isInline = function isInline() {
    if (typeof this.mapOpts.inline !== 'undefined') {
      return this.mapOpts.inline;
    }

    var annotation = this.mapOpts.annotation;

    if (typeof annotation !== 'undefined' && annotation !== true) {
      return false;
    }

    if (this.previous().length) {
      return this.previous().some(function (i) {
        return i.inline;
      });
    }

    return true;
  };

  _proto.isSourcesContent = function isSourcesContent() {
    if (typeof this.mapOpts.sourcesContent !== 'undefined') {
      return this.mapOpts.sourcesContent;
    }

    if (this.previous().length) {
      return this.previous().some(function (i) {
        return i.withContent();
      });
    }

    return true;
  };

  _proto.clearAnnotation = function clearAnnotation() {
    if (this.mapOpts.annotation === false) return;
    var node;

    for (var i = this.root.nodes.length - 1; i >= 0; i--) {
      node = this.root.nodes[i];
      if (node.type !== 'comment') continue;

      if (node.text.indexOf('# sourceMappingURL=') === 0) {
        this.root.removeChild(i);
      }
    }
  };

  _proto.setSourcesContent = function setSourcesContent() {
    var _this2 = this;

    var already = {};
    this.root.walk(function (node) {
      if (node.source) {
        var from = node.source.input.from;

        if (from && !already[from]) {
          already[from] = true;

          var relative = _this2.relative(from);

          _this2.map.setSourceContent(relative, node.source.input.css);
        }
      }
    });
  };

  _proto.applyPrevMaps = function applyPrevMaps() {
    for (var _iterator = _createForOfIteratorHelperLoose(this.previous()), _step; !(_step = _iterator()).done;) {
      var prev = _step.value;
      var from = this.relative(prev.file);

      var root = prev.root || _path.default.dirname(prev.file);

      var map = void 0;

      if (this.mapOpts.sourcesContent === false) {
        map = new _sourceMap.default.SourceMapConsumer(prev.text);

        if (map.sourcesContent) {
          map.sourcesContent = map.sourcesContent.map(function () {
            return null;
          });
        }
      } else {
        map = prev.consumer();
      }

      this.map.applySourceMap(map, from, this.relative(root));
    }
  };

  _proto.isAnnotation = function isAnnotation() {
    if (this.isInline()) {
      return true;
    }

    if (typeof this.mapOpts.annotation !== 'undefined') {
      return this.mapOpts.annotation;
    }

    if (this.previous().length) {
      return this.previous().some(function (i) {
        return i.annotation;
      });
    }

    return true;
  };

  _proto.toBase64 = function toBase64(str) {
    if (Buffer) {
      return Buffer.from(str).toString('base64');
    }

    return window.btoa(unescape(encodeURIComponent(str)));
  };

  _proto.addAnnotation = function addAnnotation() {
    var content;

    if (this.isInline()) {
      content = 'data:application/json;base64,' + this.toBase64(this.map.toString());
    } else if (typeof this.mapOpts.annotation === 'string') {
      content = this.mapOpts.annotation;
    } else {
      content = this.outputFile() + '.map';
    }

    var eol = '\n';
    if (this.css.indexOf('\r\n') !== -1) eol = '\r\n';
    this.css += eol + '/*# sourceMappingURL=' + content + ' */';
  };

  _proto.outputFile = function outputFile() {
    if (this.opts.to) {
      return this.relative(this.opts.to);
    }

    if (this.opts.from) {
      return this.relative(this.opts.from);
    }

    return 'to.css';
  };

  _proto.generateMap = function generateMap() {
    this.generateString();
    if (this.isSourcesContent()) this.setSourcesContent();
    if (this.previous().length > 0) this.applyPrevMaps();
    if (this.isAnnotation()) this.addAnnotation();

    if (this.isInline()) {
      return [this.css];
    }

    return [this.css, this.map];
  };

  _proto.relative = function relative(file) {
    if (file.indexOf('<') === 0) return file;
    if (/^\w+:\/\//.test(file)) return file;
    var from = this.opts.to ? _path.default.dirname(this.opts.to) : '.';

    if (typeof this.mapOpts.annotation === 'string') {
      from = _path.default.dirname(_path.default.resolve(from, this.mapOpts.annotation));
    }

    file = _path.default.relative(from, file);

    if (_path.default.sep === '\\') {
      return file.replace(/\\/g, '/');
    }

    return file;
  };

  _proto.sourcePath = function sourcePath(node) {
    if (this.mapOpts.from) {
      return this.mapOpts.from;
    }

    return this.relative(node.source.input.from);
  };

  _proto.generateString = function generateString() {
    var _this3 = this;

    this.css = '';
    this.map = new _sourceMap.default.SourceMapGenerator({
      file: this.outputFile()
    });
    var line = 1;
    var column = 1;
    var lines, last;
    this.stringify(this.root, function (str, node, type) {
      _this3.css += str;

      if (node && type !== 'end') {
        if (node.source && node.source.start) {
          _this3.map.addMapping({
            source: _this3.sourcePath(node),
            generated: {
              line: line,
              column: column - 1
            },
            original: {
              line: node.source.start.line,
              column: node.source.start.column - 1
            }
          });
        } else {
          _this3.map.addMapping({
            source: '<no source>',
            original: {
              line: 1,
              column: 0
            },
            generated: {
              line: line,
              column: column - 1
            }
          });
        }
      }

      lines = str.match(/\n/g);

      if (lines) {
        line += lines.length;
        last = str.lastIndexOf('\n');
        column = str.length - last;
      } else {
        column += str.length;
      }

      if (node && type !== 'start') {
        var p = node.parent || {
          raws: {}
        };

        if (node.type !== 'decl' || node !== p.last || p.raws.semicolon) {
          if (node.source && node.source.end) {
            _this3.map.addMapping({
              source: _this3.sourcePath(node),
              generated: {
                line: line,
                column: column - 2
              },
              original: {
                line: node.source.end.line,
                column: node.source.end.column - 1
              }
            });
          } else {
            _this3.map.addMapping({
              source: '<no source>',
              original: {
                line: 1,
                column: 0
              },
              generated: {
                line: line,
                column: column - 1
              }
            });
          }
        }
      }
    });
  };

  _proto.generate = function generate() {
    this.clearAnnotation();

    if (this.isMap()) {
      return this.generateMap();
    }

    var result = '';
    this.stringify(this.root, function (i) {
      result += i;
    });
    return [result];
  };

  return MapGenerator;
}();

var _default = MapGenerator;
exports.default = _default;
module.exports = exports.default;
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