Plugin GeneratorAPI breaks if template file contents match an existing file name

[ferm10n]

Version

4.5.6

Reproduction link

https://github.com/ferm10n/bug-reproduction-vue-cli-generator

Environment info

Environment Info:

  System:
    OS: Linux 5.4 Ubuntu 18.04.4 LTS (Bionic Beaver)
    CPU: (8) x64 Intel(R) Core(TM) i7-7700 CPU @ 3.60GHz
  Binaries:
    Node: 12.16.3 - ~/.nvm/versions/node/v12.16.3/bin/node
    Yarn: Not Found
    npm: 6.14.4 - ~/.nvm/versions/node/v12.16.3/bin/npm
  Browsers:
    Chrome: 80.0.3987.149
    Firefox: Not Found
  npmPackages:
    @vue/cli-overlay:  4.5.6 
    @vue/cli-plugin-router:  4.5.6 
    @vue/cli-plugin-vuex:  4.5.6 
    @vue/cli-service: ~4.5.0 => 4.5.6 
    @vue/cli-shared-utils:  4.5.6 
    @vue/component-compiler-utils:  3.2.0 
    @vue/preload-webpack-plugin:  1.1.2 
    @vue/web-component-wrapper:  1.2.0 
    vue: ^2.6.11 => 2.6.12 
    vue-cli-plugin-sample: file:sample-plugin => 1.0.0 
    vue-hot-reload-api:  2.3.4 
    vue-loader:  15.9.3 (16.0.0-beta.8)
    vue-style-loader:  4.1.2 
    vue-template-compiler: ^2.6.11 => 2.6.12 
    vue-template-es2015-compiler:  1.9.1 
  npmGlobalPackages:
    @vue/cli: 4.5.6

Steps to reproduce

• npm i -g @vue/cli
• npm ci
• vue invoke vue-cli-plugin-sample

What is expected?

The template from the vue cli plugin is rendered.

What is actually happening?

node_modules is attempted to be read as if it was a file

---

See https://github.com/ferm10n/bug-reproduction-vue-cli-generator/blob/master/README.md for proposed fix