adopt new version of 'resolve' dependency

lib/follow.js

@@ -1,15 +1,20 @@
+import fs from 'fs';
 import { sync } from 'resolve';
 
 export default function follow (x, opts) {
+  // TODO async version
   return new Promise((resolve) => {
-    resolve(sync(x, opts));
-    // TODO own implementation with foreign tests
-    // TODO async follow
-/*
-    resolve_(x, opts, (error, result) => {
-      if (error) return reject(error);
-      resolve(result);
-    });
-*/
+    resolve(sync(x, {
+      basedir: opts.basedir,
+      extensions: opts.extensions,
+      readFileSync: (file) => {
+        opts.readFile(file);
+        return fs.readFileSync(file);
+      },
+      packageFilter: (config, base) => {
+        opts.packageFilter(config, base);
+        return config;
+      }
+    }));
   });
 }

lib/walker.js

@@ -16,15 +16,6 @@ import path from 'path';
 
 const win32 = process.platform === 'win32';
 
-function shortFromAlias (alias) {
-  // alias = fs-promise or @types/node
-  if (alias[0] === '@') {
-    return alias.match(/^([^\\/]+[\\/][^\\/]+)/)[0];
-  } else {
-    return alias.match(/^[^\\/]+/)[0];
-  }
-}
-
 function isPublic (config) {
   if (config.private) return false;
   let { license, licenses } = config;
@@ -414,28 +405,29 @@ class Walker {
   }
 
   async stepDerivatives_ALIAS_AS_RESOLVABLE (record, marker, derivative) { // eslint-disable-line camelcase
-    const catcher = {};
     let stage = 0;
     let newPackage;
     let newMarker;
 
-    catcher.readFileSync = (file) => {
-      // only first occurence from loadNodeModulesSync
-      if (stage === 2) return;
-      assert(stage === 0);
+    // was taken from resolve/lib/sync.js
+    const isNear = /^(?:\.\.?(?:\/|$)|\/|([A-Za-z]:)?[\\/])/;
+    const near = isNear.test(derivative.alias);
+
+    const catchReadFile = (file) => {
+      if (near) return;
+      if (stage !== 0) return;
       assert(isPackageJson(file), 'walker: ' +
         file + ' must be package.json');
       newPackage = file;
       newMarker = undefined;
       stage = 1;
-      return fs.readFileSync(file);
     };
 
-    catcher.packageFilter = (config, base) => {
-      assert(stage === 1);
+    const catchPackageFilter = (config, base) => {
+      if (near) return;
+      if (stage !== 1) return;
       newMarker = { config, configPath: newPackage, base };
       stage = 2;
-      return config;
     };
 
     let newFile, failure;
@@ -448,42 +440,13 @@ class Walker {
         // is not taken in require('./typos')
         // in 'normalize-package-data/lib/fixer.js'
         extensions: [ '.js', '.json', '.node' ],
-        readFileSync: catcher.readFileSync,
-        packageFilter: catcher.packageFilter
+        readFile: catchReadFile,
+        packageFilter: catchPackageFilter
       });
     } catch (error) {
       failure = error;
     }
 
-    // was taken from resolve/lib/sync.js
-    const isNear = /^(?:\.\.?(?:\/|$)|\/|([A-Za-z]:)?[\\/])/;
-    let mainNotFound = false;
-
-    if (!isNear.test(derivative.alias)) {
-      const short = shortFromAlias(derivative.alias);
-      // 'npm' !== 'npm/bin/npm-cli.js'
-      if (short !== derivative.alias) {
-        try {
-          await follow(short, {
-            basedir: path.dirname(record.file),
-            extensions: [ '.js', '.json', '.node' ],
-            readFileSync: catcher.readFileSync,
-            packageFilter: catcher.packageFilter
-          });
-        } catch (error) {
-          // the purpose is to fire 'packageFilter'
-          // in cases like require('npm/bin/npm-cli.js')
-          // because otherwise it will not be fired
-          // (only loadAsFileSync is executed)
-        }
-      }
-      // 'babel-runtime' === 'babel-runtime'
-      if (short === derivative.alias) {
-        mainNotFound = failure && newMarker &&
-          newMarker.config && !newMarker.config.main;
-      }
-    }
-
     assert((newPackage && newMarker) ||
            (!newPackage && !newMarker), 'Probably, package.json is malformed');
 
@@ -498,6 +461,7 @@ class Walker {
 
     if (failure) {
       const { toplevel } = marker;
+      const mainNotFound = !newFile && newMarker;
       const debug = !toplevel || derivative.mayExclude ||
         (mainNotFound && derivative.fromDependencies);
       const level = debug ? 'debug' : 'warn';

package.json

@@ -41,7 +41,7 @@
     "multistream": "^2.1.1",
     "pkg-fetch": "^2.6.4",
     "progress": "^2.0.3",
-    "resolve": "1.6.0",
+    "resolve": "^1.13.1",
     "stream-meter": "^1.0.4"
   },
   "devDependencies": {

test/test-50-bakery-4/main.js

@@ -13,6 +13,9 @@ const target = process.argv[2] || 'host';
 const input = './test-x-index.js';
 const output = './run-time/test-output.exe';
 
+if (/^(node|v)?0/.test(target)) return;
+if (/^(node|v)?4/.test(target)) return;
+if (/^(node|v)?6/.test(target)) return;
 if (/^(node|v)?8/.test(target)) return;
 
 let left;

test/test-50-fs-runtime-layer-2/main.js

@@ -25,7 +25,9 @@ function bitty (version) {
          (4 *  (/^(node|v)?7/.test(version))) |
          (4 *  (/^(node|v)?8/.test(version))) |
          (4 *  (/^(node|v)?9/.test(version))) |
-         (8 * (/^(node|v)?10/.test(version)));
+         (8 * (/^(node|v)?10/.test(version))) |
+         (8 * (/^(node|v)?11/.test(version))) |
+         (8 * (/^(node|v)?12/.test(version)));
 }
 
 const version1 = process.version;

yarn.lock

@@ -2666,7 +2666,7 @@ path-key@^2.0.1:
   resolved "https://registry.yarnpkg.com/path-key/-/path-key-2.0.1.tgz#411cadb574c5a140d3a4b1910d40d80cc9f40b40"
   integrity sha1-QRyttXTFoUDTpLGRDUDYDMn0C0A=
 
-path-parse@^1.0.5, path-parse@^1.0.6:
+path-parse@^1.0.6:
   version "1.0.6"
   resolved "https://registry.yarnpkg.com/path-parse/-/path-parse-1.0.6.tgz#d62dbb5679405d72c4737ec58600e9ddcf06d24c"
   integrity sha512-GSmOT2EbHrINBf9SR7CDELwlJ8AENk3Qn7OikK4nFYAu3Ote2+JYNVvkpAEQm3/TLNEJFD/xZJjzyxg3KBWOzw==
@@ -2918,14 +2918,7 @@ resolve-url@^0.2.1:
   resolved "https://registry.yarnpkg.com/resolve-url/-/resolve-url-0.2.1.tgz#2c637fe77c893afd2a663fe21aa9080068e2052a"
   integrity sha1-LGN/53yJOv0qZj/iGqkIAGjiBSo=
 
-resolve@1.6.0:
-  version "1.6.0"
-  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.6.0.tgz#0fbd21278b27b4004481c395349e7aba60a9ff5c"
-  integrity sha512-mw7JQNu5ExIkcw4LPih0owX/TZXjD/ZUF/ZQ/pDnkw3ZKhDcZZw5klmBlj6gVMwjQ3Pz5Jgu7F3d0jcDVuEWdw==
-  dependencies:
-    path-parse "^1.0.5"
-
-resolve@^1.12.0, resolve@^1.3.2, resolve@^1.8.1:
+resolve@^1.12.0, resolve@^1.13.1, resolve@^1.3.2, resolve@^1.8.1:
   version "1.13.1"
   resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.13.1.tgz#be0aa4c06acd53083505abb35f4d66932ab35d16"
   integrity sha512-CxqObCX8K8YtAhOBRg+lrcdn+LK+WYOS8tSjqSFbjtrI5PnS63QPhZl4+yKfrU9tdsbMu9Anr/amegT87M9Z6w==