├── .gitignore
├── .npmignore
├── README.md
├── rnst.js
├── package.json
└── index.js


/.gitignore:
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1 | *.map
2 | node_modules/
3 | bower_components/


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/.npmignore:
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1 | *.map
2 | *.coffee
3 | test/
4 | node_modules/
5 | bower_components/


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/README.md:
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1 | react-native-sm-transformer
2 | --------
3 | 
4 | DEPRECATED.  Broken since RN 0.43.
5 | 


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/rnst.js:
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1 | #!/usr/bin/env node
2 | 
3 | require("child_process").execSync(
4 |   "react-native start server --transformer node_modules/react-native-sm-transformer/index",
5 |   {
6 |     stdio: [0, 1, 2]
7 |   }
8 | );
9 | 


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/package.json:
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 1 | {
 2 |   "name": "react-native-sm-transformer",
 3 |   "version": "1.0.3",
 4 |   "description": "handles source map transformation for react native server",
 5 |   "main": "index.js",
 6 |   "bin": {
 7 |     "rnst": "./rnst.js"
 8 |   },
 9 |   "scripts": {
10 |     "test": "echo \"Error: no test specified\" && exit 1"
11 |   },
12 |   "repository": {
13 |     "type": "git",
14 |     "url": "git+https://github.com/mhzed/react-native-sm-transformer.git"
15 |   },
16 |   "keywords": [
17 |     "react",
18 |     "native",
19 |     "source",
20 |     "map",
21 |     "transform"
22 |   ],
23 |   "author": "mhzedd@gmail.com",
24 |   "license": "ISC",
25 |   "bugs": {
26 |     "url": "https://github.com/mhzed/react-native-sm-transformer/issues"
27 |   },
28 |   "homepage": "https://github.com/mhzed/react-native-sm-transformer#readme"
29 | }
30 | 


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/index.js:
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 1 | // react-native start --transformer ./smTransform.js
 2 | 
 3 | var transformer = require('react-native/packager/transformer');
 4 | var fs = require("fs");
 5 | var sourceMap = require("source-map");
 6 | var path = require('path');
 7 | 
 8 | const lc = (str) => {
 9 |   let c = 0
10 |   for (let ch of str) {
11 |     if (ch === "\n") c++;
12 |   }
13 |   return c
14 | }
15 | 
16 | // line to line mapping of sourcemap
17 | const smOneToOne = (srcfile, src) => {
18 |   "use strict";
19 |   let map = new sourceMap.SourceMapGenerator({file: srcfile})
20 |   let n = lc(src)
21 |   for (let line = 1; line <= n + 1; line++) {
22 |     map.addMapping({
23 |       source: srcfile,
24 |       original: {line, column: 0},
25 |       generated: {line, column: 0}
26 |     })
27 |   }
28 |   return map.toJSON()
29 | }
30 | 
31 | module.exports = function (data, callback) {
32 |   let smfile = data.filename + ".map";
33 | 
34 |   if (fs.existsSync(smfile)) {
35 |     transformer(data, (err, mod) => { // eslint-disable-line 
36 |       "use strict";
37 |       if (mod) {
38 |         var smap = JSON.parse(fs.readFileSync(smfile).toString());
39 | 
40 |         // Use absolute paths so further transformations would be able to resolve original files
41 |         smap.sources = smap.sources.map(source => {
42 |           return path.join(path.dirname(smfile), source);
43 |         });
44 | 
45 |         mod.map = smap;
46 |       }
47 |       callback(null, mod);
48 |     })
49 |   } else {
50 |     transformer(data, (err, mod) => {
51 |       "use strict";
52 |       if (mod && !mod.map) {
53 |         mod.map = smOneToOne(mod.filename, mod.code)
54 |       }
55 |       return callback(err, mod);
56 |     });
57 |   }
58 | };
59 | 


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