Examples of com.google.debugging.sourcemap.SourceMapGeneratorV3.appendTo()

com.google.debugging.sourcemap.SourceMapGeneratorV3.appendTo()

Writes out the source map in the following format (line numbers are for reference only and are not part of the format): 1. { 2. version: 3, 3. file: "out.js", 4. lineCount: 2, 5. sourceRoot: "", 6. sources: ["foo.js", "bar.js"], 7. names: ["src", "maps", "are", "fun"], 8. mappings: "a;;abcde,abcd,a;" 9. x_org_extension: value 10. } Line 1: The entire file is a single JSON object Line 2: File revision (always the first entry in the object) Line 3: The name of the file that this source map is associated with. Line 4: The number of lines represented in the source map. Line 5: An optional source root, useful for relocating source files on a server or removing repeated prefix values in the "sources" entry. Line 6: A list of sources used by the "mappings" entry relative to the sourceRoot. Line 7: A list of symbol names used by the "mapping" entry. This list may be incomplete. Line 8: The mappings field. Line 9: Any custom field (extension).

      FilePosition originalSourcePosition) throws Exception {
    SourceMapGeneratorV3 sourceMap = new SourceMapGeneratorV3();
    sourceMap.addMapping(originalSource, null, originalSourcePosition,
        new FilePosition(1, 1), new FilePosition(100, 1));
    StringBuilder output = new StringBuilder();
    sourceMap.appendTo(output, "unused.js");


    return new SourceMapInput(
        SourceFile.fromCode(sourceMapPath, output.toString()));
  }

    sourceMap.addMapping("source1.html", null, new FilePosition(10, 0),
        new FilePosition(0, 0), new FilePosition(0, 100));
    sourceMap.addMapping("source2.html", null, new FilePosition(10, 0),
        new FilePosition(1, 0), new FilePosition(1, 100));
    StringBuilder output = new StringBuilder();
    sourceMap.appendTo(output, "unused.js");


    compilerOptions = new CompilerOptions();
    compilerOptions.inputSourceMaps = ImmutableMap.of(
       "[testcode]", new SourceMapInput(
           SourceFile.fromCode("example.srcmap", output.toString())));

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