我最近将我的项目从Angular 7版本升级到8版本。但是当我执行npm start
命令时,我看到了很多与Bootstrap
相关的如下警告。
WARNING: You probably don't mean to use the color value gray in interpolation here.
It may end up represented as gray, which will likely produce invalid CSS.
Always quote color names when using them as strings or map keys (for example, "gray").
If you really want to use the color value here, use '"" + $color'.
╷
48 │ .alert-#{$color} {
│ ^^^^^^
╵
node_modules/bootstrap/scss/_alert.scss 48:12 @import
src/scss/bootstrap.scss 46:9 @import
src/scss/theme/application.scss 18:9 @import
stdin 1:9 root stylesheet
编译后出现以下错误信息:
ERROR in ./src/scss/styles.scss (./node_modules/@angular-devkit/build-angular/src/angular-cli-files/plugins/raw-css-loader.js!./node_modules/postcss-loader/src??embedded!./node_modules/sass-loader/lib/loader.js??ref--13-3!./src/scss/styles.scss)
Module build failed (from ./node_modules/sass-loader/lib/loader.js):
@extend .input-no-border:focus;
^
Compound selectors may no longer be extended.
Consider `@extend .input-no-border, :focus` instead.
See https://sass-lang.com/documentation#extending_compound_selectors for details.
╷
209 │ @extend .input-no-border:focus;
│ ^^^^^^^^^^^^^^^^^^^^^^
╵
src/scss/theme/_utils.scss 209:13 root stylesheet
in /src/scss/theme/_utils.scss (line 209, column 13)