"TypeError: path must be a string or Buffer" with installation.

[minhoryang]

OS?

Ubuntu 14.04.2 LTS

$ uname -a
Linux spy 3.13.0-68-generic #111-Ubuntu SMP Fri Nov 6 18:17:06 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux

Versions.

angular-cli@1.0.0-beta.16

$ node --version
v6.7.0
$ npm --version
3.10.8
$ pnpm --version
0.37.0

Repro steps.

$ ndenv local v6.7.0
$ npm install -g pnpm
$ ndenv rehash
$ pnpm install angular-cli
$ ng --version

The log given by the failure.

$ ng --version
fs.js:640
  return binding.open(pathModule._makeLong(path), stringToFlags(flags), mode);
                 ^
TypeError: path must be a string or Buffer
    at TypeError (native)
    at Object.fs.openSync (fs.js:640:18)
    at Object.fs.readFileSync (fs.js:508:33)
    at Function.Version.fromProject (/home/minhoryang/NODE_PLAYGROUND/node_modules/angular-cli/upgrade/version.js:87:31)
    at Function.Version.isPreWebpack (/home/minhoryang/NODE_PLAYGROUND/node_modules/angular-cli/upgrade/version.js:111:31)
    at Function.Version.assertPostWebpackVersion (/home/minhoryang/NODE_PLAYGROUND/node_modules/angular-cli/upgrade/version.js:97:18)
    at /home/minhoryang/NODE_PLAYGROUND/node_modules/angular-cli/bin/ng:25:15
    at /home/minhoryang/NODE_PLAYGROUND/node_modules/angular-cli/node_modules/resolve/lib/async.js:44:21
    at ondir (/home/minhoryang/NODE_PLAYGROUND/node_modules/angular-cli/node_modules/resolve/lib/async.js:187:31)
    at /home/minhoryang/NODE_PLAYGROUND/node_modules/angular-cli/node_modules/resolve/lib/async.js:153:39

Mention any other details that might be useful.

When I searched this TypeError, I got these: #2324 #1941 #2135

[minhoryang]

configPath === null (@ packages/angular-cli/upgrade/version.ts#L78)

[minhoryang]

$ npm install angular-cli

also happened without pnpm

[minhoryang]

$ npm install -g angular-cli

works... :(

[minhoryang]

why?

[minhoryang]

With global installed angular-cli won't call Version.fromProject which was raising TypeError.

[minhoryang]

Oh! He already knew this

[sonnenfeld269]

@minhoryang did u find a solution?

[minhoryang]

@sonnenfeld269 you can bypass this with globally installation (-g), but I can't find the root causes.

[vadost]

I have the same problem with globally installation(

[vadost]

I solved the problem this way:
Simplest workaround to continue working in your project is comment line 25 of node_modules/angular-cli/bin/ng :
// Version.assertPostWebpackVersion();
Until it is fixed properly.​​

[filipesilva]

Dupe of #2135

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