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Bourbon x gulp.js

Last updated at Posted at 2014-06-17

Bourbon 依存の Sass(SCSS)ファイルを gulp.js でCSSにコンパイルする手順
サンプルのディレクトリ構造は以下の通り

プロジェクトディレクトリ
 ├ gulpfile.js
 ├ scss
 │ ├ style.scss
 │ └ test.scss
 └ dist(公開用)
   └ css
    ├ style.css
    └ test.css

設定の手順

npm で node-bourbon をインストール

npm install node-bourbon

gulpfile.js

bourbon.with()に、Bourbon を使う Sass(SCSS) をもれなくセットする必要がある
それを、sass()関数のオプション includePaths にセットする

gulpfile.js
var gulp = require('gulp'),
  sass = require('gulp-sass'),
  bourbon = require('node-bourbon');

bourbon.with('./style.css', './scss/test.scss');/*bourbon.includePathsに入る*/

var paths = {
  dist: './dist/',
  scss: './scss/*.scss'
};

gulp.task('css', function() {
  return gulp.src(paths.scss)
    .pipe(sass({includePaths: bourbon.includePaths}))
    .pipe(gulp.dest(paths.dist + 'css/'));
});

Sass(SCSS)

Bourbonをインポートするだけ
サンプルとして各SCSSファイルにミックスインを一つ書いてみる

scss/style.scss
@import "bourbon";

button {
  @include button;/*bourbon mixin*/
}
scss/test.scss
@import "bourbon";

.triangle-down {
  @include triangle(12px, gray, down);/*bourbon mixin*/
}

gulp でタスクを実行

ターミナルで、プロジェクトルートで
gulp css

コンパイルされ、公開ディレクトリに以下のCSSが生成される
Bourbon のミックスインを自在に使えるようになった

dist/css/style.css
button {
  border: 1px solid #0772e4;
  border-radius: 3px;
  box-shadow: inset 0 1px 0 0 #8ebef1;
  color: white;
  display: inline-block;
  font-size: inherit;
  font-weight: bold;
  background-color: #4294f0;
  background-image: -webkit-linear-gradient(#4294f0, #0779f3);
  background-image: linear-gradient(#4294f0, #0779f3);
  padding: 7px 18px;
  text-decoration: none;
  text-shadow: 0 1px 0 #0068d7;
  background-clip: padding-box;
  /*bourbon mixin*/ }
  button:hover:not(:disabled) {
    box-shadow: inset 0 1px 0 0 #60a3ec;
    cursor: pointer;
    background-color: #2f89ea;
    background-image: -webkit-linear-gradient(#2f89ea, #0872e3);
    background-image: linear-gradient(#2f89ea, #0872e3); }
  button:active:not(:disabled), button:focus:not(:disabled) {
    border: 1px solid #0772e4;
    box-shadow: inset 0 0 8px 4px #086ad3, inset 0 0 8px 4px #086ad3; }
  button:disabled {
    opacity: 0.5;
    cursor: not-allowed; }
dist/css/test.css
.triangle-down {
  height: 0;
  width: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 6px solid grey; }

参考用:実際のタスクは他に様々な処理が入る

やりたい処理を数珠つなぎ
すっきり見やすいのが gulp.js のいいところですね

gulp.task('css', function() {
  return gulp.src(paths.scss)
    .pipe(plumber())
    .pipe(sass({includePaths: bourbon.includePaths}))
    .pipe(mediaQueries())
    .pipe(autoprefixer('last 1 version'))
    .pipe(csscomb())
    .pipe(concat('style.css'))
    .pipe(minifyCss())
    .pipe(gulp.dest(paths.dist))
    .pipe(gzip())
    .pipe(gulp.dest(paths.dist))
    .pipe(connect.reload());
});

参考記事

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