···

       
41
       
41
       
 
       
if (pkg.optionalDependencies)

     

       
42
       
42
       
 
       
  externalModules.push(...Object.keys(pkg.optionalDependencies));

     

       
43
       
43
       
 
       


     

       
44
       
44
       
+
       
const prodDependencies = new Set([

     

       
45
       
45
       
+
       
  ...Object.keys(pkg.peerDependencies || {}),

     

       
46
       
46
       
+
       
  ...Object.keys(pkg.dependencies || {}),

     

       
47
       
47
       
+
       
]);

     

       
48
       
48
       
+
       


     

       
44
       
49
       
 
       
const externalPredicate = new RegExp(`^(${externalModules.join('|')})($|/)`);

     

       
45
       
50
       
 
       


     

       
46
       
51
       
 
       
export const isExternal = id => {

     
···

       
49
       
54
       
 
       
  return externalPredicate.test(id);

     

       
50
       
55
       
 
       
};

     

       
51
       
56
       
 
       


     

       
52
       
52
       
-
       
export const hasReact = externalModules.includes('react');

     

       
53
       
53
       
-
       
export const hasPreact = externalModules.includes('preact');

     

       
54
       
54
       
-
       
export const hasSvelte = externalModules.includes('svelte');

     

       
55
       
55
       
-
       
export const hasVue = externalModules.includes('vue');

     

       
57
       
57
       
+
       
export const hasReact = prodDependencies.has('react');

     

       
58
       
58
       
+
       
export const hasPreact = prodDependencies.has('preact');

     

       
59
       
59
       
+
       
export const hasSvelte = prodDependencies.has('svelte');

     

       
60
       
60
       
+
       
export const hasVue = prodDependencies.has('vue');

     

       
56
       
61
       
 
       
export const mayReexport = hasReact || hasPreact || hasSvelte || hasVue;

     

       
57
       
62
       
 
       
export const isCI = !!process.env.CIRCLECI;

     

       
58
       
63
       
 
       
export const isAnalyze = !!process.env.ANALYZE;