xref: /expo/packages/@expo/config/build/getConfig.js (revision dfd15ebd) 
1"use strict";
2
3Object.defineProperty(exports, "__esModule", {
4  value: true
5});
6exports.getDynamicConfig = getDynamicConfig;
7exports.getStaticConfig = getStaticConfig;
8
9function _jsonFile() {
10  const data = _interopRequireDefault(require("@expo/json-file"));
11
12  _jsonFile = function () {
13    return data;
14  };
15
16  return data;
17}
18
19function _fs() {
20  const data = require("fs");
21
22  _fs = function () {
23    return data;
24  };
25
26  return data;
27}
28
29function _Errors() {
30  const data = require("./Errors");
31
32  _Errors = function () {
33    return data;
34  };
35
36  return data;
37}
38
39function _evalConfig() {
40  const data = require("./evalConfig");
41
42  _evalConfig = function () {
43    return data;
44  };
45
46  return data;
47}
48
49function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
50
51// We cannot use async config resolution right now because Next.js doesn't support async configs.
52// If they don't add support for async Webpack configs then we may need to pull support for Next.js.
53function readConfigFile(configFile, context) {
54  // If the file doesn't exist then we should skip it and continue searching.
55  if (!(0, _fs().existsSync)(configFile)) {
56    return null;
57  }
58
59  try {
60    return (0, _evalConfig().evalConfig)(configFile, context);
61  } catch (error) {
62    // @ts-ignore
63    error.isConfigError = true;
64    error.message = `Error reading Expo config at ${configFile}:\n\n${error.message}`;
65    throw error;
66  }
67}
68
69function getDynamicConfig(configPath, request) {
70  const config = readConfigFile(configPath, request);
71
72  if (config) {
73    // The config must be serialized and evaluated ahead of time so the spawned process can send it over.
74    return config;
75  } // TODO: It seems this is only thrown if the file cannot be found (which may never happen).
76  // If so we should throw a more helpful error.
77
78
79  throw new (_Errors().ConfigError)(`Failed to read config at: ${configPath}`, 'INVALID_CONFIG');
80}
81
82function getStaticConfig(configPath) {
83  const config = _jsonFile().default.read(configPath, {
84    json5: true
85  });
86
87  if (config) {
88    return config;
89  }
90
91  throw new (_Errors().ConfigError)(`Failed to read config at: ${configPath}`, 'INVALID_CONFIG');
92}
93//# sourceMappingURL=getConfig.js.map