package.lib.source-map.js Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of generator Show documentation
Turns an AST into code.
The newest version!
"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
var _genMapping = require("@jridgewell/gen-mapping");
var _traceMapping = require("@jridgewell/trace-mapping");
class SourceMap {
  constructor(opts, code) {
    var _opts$sourceFileName;
    this._map = void 0;
    this._rawMappings = void 0;
    this._sourceFileName = void 0;
    this._lastGenLine = 0;
    this._lastSourceLine = 0;
    this._lastSourceColumn = 0;
    this._inputMap = void 0;
    const map = this._map = new _genMapping.GenMapping({
      sourceRoot: opts.sourceRoot
    });
    this._sourceFileName = (_opts$sourceFileName = opts.sourceFileName) == null ? void 0 : _opts$sourceFileName.replace(/\\/g, "/");
    this._rawMappings = undefined;
    if (opts.inputSourceMap) {
      this._inputMap = new _traceMapping.TraceMap(opts.inputSourceMap);
      const resolvedSources = this._inputMap.resolvedSources;
      if (resolvedSources.length) {
        for (let i = 0; i < resolvedSources.length; i++) {
          var _this$_inputMap$sourc;
          (0, _genMapping.setSourceContent)(map, resolvedSources[i], (_this$_inputMap$sourc = this._inputMap.sourcesContent) == null ? void 0 : _this$_inputMap$sourc[i]);
        }
      }
    }
    if (typeof code === "string" && !opts.inputSourceMap) {
      (0, _genMapping.setSourceContent)(map, this._sourceFileName, code);
    } else if (typeof code === "object") {
      for (const sourceFileName of Object.keys(code)) {
        (0, _genMapping.setSourceContent)(map, sourceFileName.replace(/\\/g, "/"), code[sourceFileName]);
      }
    }
  }
  get() {
    return (0, _genMapping.toEncodedMap)(this._map);
  }
  getDecoded() {
    return (0, _genMapping.toDecodedMap)(this._map);
  }
  getRawMappings() {
    return this._rawMappings || (this._rawMappings = (0, _genMapping.allMappings)(this._map));
  }
  mark(generated, line, column, identifierName, identifierNamePos, filename) {
    var _originalMapping;
    this._rawMappings = undefined;
    let originalMapping;
    if (line != null) {
      if (this._inputMap) {
        originalMapping = (0, _traceMapping.originalPositionFor)(this._inputMap, {
          line,
          column
        });
        if (!originalMapping.name && identifierNamePos) {
          const originalIdentifierMapping = (0, _traceMapping.originalPositionFor)(this._inputMap, identifierNamePos);
          if (originalIdentifierMapping.name) {
            identifierName = originalIdentifierMapping.name;
          }
        }
      } else {
        originalMapping = {
          source: (filename == null ? void 0 : filename.replace(/\\/g, "/")) || this._sourceFileName,
          line: line,
          column: column
        };
      }
    }
    (0, _genMapping.maybeAddMapping)(this._map, {
      name: identifierName,
      generated,
      source: (_originalMapping = originalMapping) == null ? void 0 : _originalMapping.source,
      original: originalMapping
    });
  }
}
exports.default = SourceMap;

//# sourceMappingURL=source-map.js.map