* Returns the string representation of this source node along with a source * map.
(aArgs)
| 340 | * map. |
| 341 | */ |
| 342 | toStringWithSourceMap(aArgs) { |
| 343 | const generated = { |
| 344 | code: "", |
| 345 | line: 1, |
| 346 | column: 0, |
| 347 | }; |
| 348 | const map = new SourceMapGenerator(aArgs); |
| 349 | let sourceMappingActive = false; |
| 350 | let lastOriginalSource = null; |
| 351 | let lastOriginalLine = null; |
| 352 | let lastOriginalColumn = null; |
| 353 | let lastOriginalName = null; |
| 354 | this.walk(function (chunk, original) { |
| 355 | generated.code += chunk; |
| 356 | if ( |
| 357 | original.source !== null && |
| 358 | original.line !== null && |
| 359 | original.column !== null |
| 360 | ) { |
| 361 | if ( |
| 362 | lastOriginalSource !== original.source || |
| 363 | lastOriginalLine !== original.line || |
| 364 | lastOriginalColumn !== original.column || |
| 365 | lastOriginalName !== original.name |
| 366 | ) { |
| 367 | map.addMapping({ |
| 368 | source: original.source, |
| 369 | original: { |
| 370 | line: original.line, |
| 371 | column: original.column, |
| 372 | }, |
| 373 | generated: { |
| 374 | line: generated.line, |
| 375 | column: generated.column, |
| 376 | }, |
| 377 | name: original.name, |
| 378 | }); |
| 379 | } |
| 380 | lastOriginalSource = original.source; |
| 381 | lastOriginalLine = original.line; |
| 382 | lastOriginalColumn = original.column; |
| 383 | lastOriginalName = original.name; |
| 384 | sourceMappingActive = true; |
| 385 | } else if (sourceMappingActive) { |
| 386 | map.addMapping({ |
| 387 | generated: { |
| 388 | line: generated.line, |
| 389 | column: generated.column, |
| 390 | }, |
| 391 | }); |
| 392 | lastOriginalSource = null; |
| 393 | sourceMappingActive = false; |
| 394 | } |
| 395 | for (let idx = 0, length = chunk.length; idx < length; idx++) { |
| 396 | if (chunk.charCodeAt(idx) === NEWLINE_CODE) { |
| 397 | generated.line++; |
| 398 | generated.column = 0; |
| 399 | // Mappings end at eol |
no test coverage detected