source: trip-planner-front/node_modules/@babel/helper-define-polyfill-provider/src/node/dependencies.js

Last change on this file was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit

  • Property mode set to 100644
File size: 2.5 KB
Line 
1// @flow
2
3import path from "path";
4import debounce from "lodash.debounce";
5import requireResolve from "resolve";
6
7const nativeRequireResolve = parseFloat(process.versions.node) >= 8.9;
8
9export function resolve(
10 dirname: string,
11 moduleName: string,
12 absoluteImports: boolean | string,
13): string {
14 if (absoluteImports === false) return moduleName;
15
16 let basedir = dirname;
17 if (typeof absoluteImports === "string") {
18 basedir = path.resolve(basedir, absoluteImports);
19 }
20
21 let modulePackage, moduleNestedPath;
22
23 let slash = moduleName.indexOf("/");
24 if (moduleName[0] === "@") {
25 slash = moduleName.indexOf("/", slash + 1);
26 }
27
28 if (slash === -1) {
29 modulePackage = moduleName;
30 moduleNestedPath = "";
31 } else {
32 modulePackage = moduleName.slice(0, slash);
33 moduleNestedPath = moduleName.slice(slash);
34 }
35
36 try {
37 let pkg;
38 if (nativeRequireResolve) {
39 // $FlowIgnore
40 pkg = require.resolve(`${modulePackage}/package.json`, {
41 paths: [basedir],
42 });
43 } else {
44 pkg = requireResolve.sync(`${modulePackage}/package.json`, { basedir });
45 }
46 return path.dirname(pkg) + moduleNestedPath;
47 } catch (err) {
48 if (err.code !== "MODULE_NOT_FOUND") throw err;
49
50 // $FlowIgnore
51 throw Object.assign(
52 new Error(`Failed to resolve "${moduleName}" relative to "${dirname}"`),
53 {
54 code: "BABEL_POLYFILL_NOT_FOUND",
55 polyfill: moduleName,
56 dirname,
57 },
58 );
59 }
60}
61
62export function has(basedir: string, name: string) {
63 try {
64 if (nativeRequireResolve) {
65 // $FlowIgnore
66 require.resolve(name, { paths: [basedir] });
67 } else {
68 requireResolve.sync(name, { basedir });
69 }
70 return true;
71 } catch {
72 return false;
73 }
74}
75
76export function logMissing(missingDeps: Set<string>) {
77 if (missingDeps.size === 0) return;
78
79 const deps = Array.from(missingDeps)
80 .sort()
81 .join(" ");
82
83 console.warn(
84 "\nSome polyfills have been added but are not present in your dependencies.\n" +
85 "Please run one of the following commands:\n" +
86 `\tnpm install --save ${deps}\n` +
87 `\tyarn add ${deps}\n`,
88 );
89
90 process.exitCode = 1;
91}
92
93let allMissingDeps = new Set();
94
95const laterLogMissingDependencies = debounce(() => {
96 logMissing(allMissingDeps);
97 allMissingDeps = new Set();
98}, 100);
99
100export function laterLogMissing(missingDeps: Set<string>) {
101 if (missingDeps.size === 0) return;
102
103 missingDeps.forEach(name => allMissingDeps.add(name));
104 laterLogMissingDependencies();
105}
Note: See TracBrowser for help on using the repository browser.