Build fail when create project that title contain upper-case in vue-ui

[exd0tpy]

Version

4.2.2

Environment info

Environment Info:

  System:
    OS: macOS 10.15.3
    CPU: (4) x64 Intel(R) Core(TM) i5-7360U CPU @ 2.30GHz
  Binaries:
    Node: 13.1.0 - /usr/local/bin/node
    Yarn: 1.19.2 - /usr/local/bin/yarn
    npm: 6.12.1 - /usr/local/bin/npm
  Browsers:
    Chrome: Not Found
    Firefox: Not Found
    Safari: Not Found
  npmPackages:
    @vue/babel-helper-vue-jsx-merge-props:  1.0.0 
    @vue/babel-plugin-transform-vue-jsx:  1.1.2 
    @vue/babel-preset-app:  4.2.3 
    @vue/babel-preset-jsx:  1.1.2 
    @vue/babel-sugar-functional-vue:  1.1.2 
    @vue/babel-sugar-inject-h:  1.1.2 
    @vue/babel-sugar-v-model:  1.1.2 
    @vue/babel-sugar-v-on:  1.1.2 
    @vue/cli-overlay:  4.2.3 
    @vue/cli-plugin-babel: ~4.2.0 => 4.2.3 
    @vue/cli-plugin-router: ~4.2.0 => 4.2.3 
    @vue/cli-plugin-vuex: ~4.2.0 => 4.2.3 
    @vue/cli-service: ~4.2.0 => 4.2.3 
    @vue/cli-shared-utils:  4.2.3 
    @vue/component-compiler-utils:  3.1.1 
    @vue/preload-webpack-plugin:  1.1.1 
    @vue/web-component-wrapper:  1.2.0 
    vue: ^2.6.11 => 2.6.11 
    vue-hot-reload-api:  2.3.4 
    vue-loader:  15.9.1 
    vue-router: ^3.1.5 => 3.1.6 
    vue-style-loader:  4.1.2 
    vue-template-compiler: ^2.6.11 => 2.6.11 
    vue-template-es2015-compiler:  1.9.1 
    vuex: ^3.1.2 => 3.1.3 
  npmGlobalPackages:
    @vue/cli: 4.2.2

Steps to reproduce

.

What is expected?

build success

What is actually happening?

build fail with 7 errors

---

project folder name is convert to lowercase of project name.
but keep finding some js files while building. so it occurs 7 errors.

[haoqunjiang]

Vue CLI currently does not fully support creating projects with uppercase names.
We are considering removing support for this feature actually.

See more discussions at #5096