1 | var vm = require('vm');
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2 |
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3 | module.exports = function (cfg, wrapper, callback) {
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4 |
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5 |
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6 | updateHooks();
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7 |
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8 |
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9 | if (cfg.vm) {
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10 | patch(vm, 'createScript', 1);
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11 | patch(vm, 'runInThisContext', 1);
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12 | patch(vm, 'runInNewContext', 2);
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13 | patch(vm, 'runInContext', 2);
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14 | }
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15 |
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16 | |
17 |
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18 |
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19 |
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20 | function patch(obj, method, optionsArgIndex) {
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21 | var orig = obj[method];
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22 | if (!orig) return;
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23 | obj[method] = function () {
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24 | var opts = arguments[optionsArgIndex];
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25 | var file = null;
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26 | if (opts) {
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27 | file = typeof opts == 'string' ? opts : opts.filename;
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28 | }
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29 | if (file) callback(file);
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30 | return orig.apply(this, arguments);
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31 | };
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32 | }
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33 |
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34 | |
35 |
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36 |
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37 | function updateHooks() {
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38 | Object.keys(require.extensions).forEach(function (ext) {
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39 | var fn = require.extensions[ext];
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40 | if (typeof fn === 'function' && fn.name !== 'nodeDevHook') {
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41 | require.extensions[ext] = createHook(fn);
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42 | }
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43 | });
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44 | }
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45 |
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46 | |
47 |
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48 |
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49 |
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50 | function createHook(handler) {
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51 | return function nodeDevHook(module, filename) {
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52 | if (module.parent === wrapper) {
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53 |
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54 | module.id = '.';
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55 | module.parent = null;
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56 | process.mainModule = module;
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57 | }
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58 | if (!module.loaded) callback(module.filename);
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59 |
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60 |
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61 | handler(module, filename);
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62 |
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63 |
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64 | updateHooks();
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65 | };
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66 | }
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67 | };
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