{"id":465,"date":"2018-08-27T15:40:10","date_gmt":"2018-08-27T06:40:10","guid":{"rendered":"https:\/\/www.dogrow.net\/hp\/?p=465"},"modified":"2018-09-15T19:57:01","modified_gmt":"2018-09-15T10:57:01","slug":"blog51","status":"publish","type":"post","link":"https:\/\/www.dogrow.net\/hp\/blog51\/","title":{"rendered":"(51) Node.js + gulp\u3067\u753b\u50cf\u30d5\u30a1\u30a4\u30eb\u3092\u81ea\u52d5\u5727\u7e2e"},"content":{"rendered":"

1. \u3084\u308a\u305f\u3044\u3053\u3068<\/h1>\n

JavaScript\u30d5\u30a1\u30a4\u30eb\u306e\u66f4\u65b0\u3092\u76e3\u8996\u3057\u3001\u81ea\u52d5\u7684\u306b\u753b\u50cf\u30d5\u30a1\u30a4\u30eb\u3092 minify\u3057\u305f\u3044\u3002<\/p>\n

2. \u3084\u3063\u3066\u307f\u308b\uff01<\/h1>\n

(50) Node.js + gulp\u3067css\u30d5\u30a1\u30a4\u30eb\u3092\u81ea\u52d5\u5727\u7e2e<\/a> \u3068\u307b\u3068\u3093\u3069\u540c\u3058\u3060\u3002
\n\u30d5\u30a1\u30a4\u30eb\u5909\u5316\u691c\u51fa\u6642\u306b\u5b9f\u884c\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u7570\u306a\u308b\u3060\u3051\u3060\u3002<\/p>\n

\u30ed\u30fc\u30ab\u30eb\u306a\u4f5c\u696d\u74b0\u5883\u306b\u79fb\u52d5\u3057 Node.js\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u7ba1\u7406\u3092\u521d\u671f\u5316\u3059\u308b\u3002<\/p>\n

\r\n$ npm init\r\n<\/pre>\n
gulp, gulp-imagemin \u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3002<\/p>\n
\r\n$ npm install -g gulp\r\n$ npm install -D gulp\r\n$ npm install -D gulp-imagemin\r\n$ npm install -D gulp-changed\r\n$ npm install -D imagemin-jpeg-recompress\r\n$ npm install -D imagemin-pngquant\r\n$ npm install -D imagemin-gifsicle\r\n<\/pre>\n
gulpfile.js<\/b> \u3092\u66f8\u304f\u3002
\n\u30d5\u30a1\u30a4\u30eb\u306e\u5909\u5316\u691c\u51fa\u306f gulp.watch( \u76e3\u8996\u5bfe\u8c61, \u691c\u51fa\u5f8c\u5b9f\u884c\u30bf\u30b9\u30af ) \u3067\u5b9f\u73fe\u3059\u308b\u3002
\n\u3053\u3053\u3067\u306f dirIn \u306b\u7f6e\u304b\u308c\u305f\u753b\u50cf\u30d5\u30a1\u30a4\u30eb\u3092\u76e3\u8996\u3057\u3001dirOut \u306b\u5909\u63db\u5f8c\u30d5\u30a1\u30a4\u30eb\u3092\u51fa\u529b\u3059\u308b\u3088\u3046\u306b\u66f8\u3044\u305f\u3002
\n\u30bf\u30b9\u30af\u540d minify-img, watch \u306f\u4f55\u3067\u3082\u3088\u3044\u3002
\ngulp.src()\u306e\u5f15\u6570\u306b\u306f glob() \u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u6307\u5b9a\u3059\u308b\u3002<\/p>\n
\r\nvar gulp = require('gulp');\r\nvar isChanged = require('gulp-changed');\r\nvar minifyImg = require('gulp-imagemin');\r\nvar minifyImg_JPG = require('imagemin-jpeg-recompress');\r\nvar minifyImg_PNG = require('imagemin-pngquant');\r\nvar minifyImg_GIF = require('imagemin-gifsicle');\r\n\r\ngulp.task('minify-img', function() {\r\n    gulp.src("dirIn\/*.+(jpg|jpeg|png|gif)")\r\n        .pipe(isChanged("dirOut"))\r\n        .pipe(minifyImg([minifyImg_JPG(),minifyImg_PNG(),minifyImg_GIF()]))\r\n        .pipe(gulp.dest("dirOut"));\r\n});\r\ngulp.task('watch', function() {\r\n    gulp.watch("dirIn\/*.*",['minify-img']);\r\n});\r\n<\/pre>\n
\u5b9f\u884c\uff01<\/p>\n
\r\ngulp watch\r\n<\/pre>\n
dirIn\u306b\u753b\u50cf\u30d5\u30a1\u30a4\u30eb\u3092\u7f6e\u304f\u3068\u3001\u81ea\u52d5\u7684\u306b\u51e6\u7406\u3055\u308c\u3066 dirOut\u306b\u51fa\u529b\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u3063\u305f\uff01<\/p>\n
\u203b\u304a\u307e\u3051
\n\u8d77\u52d5\u6642\u306b\u5fc5\u305a\uff11\u56de\u30bf\u30b9\u30af\u3092\u5b9f\u884c\u3057\u305f\u3044\u5834\u5408\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u66f8\u304f\u3002<\/p>\n
\r\ngulp.task('watch', ['minify-img'], function() {\r\n<\/pre>\n
3. \u753b\u50cf\u52a3\u5316\u306a\u3057\uff1f<\/h1>\n
\u4e0b\u8a18\u306e JPEG\u753b\u50cf\u30d5\u30a1\u30a4\u30eb\u306f\u30b5\u30a4\u30ba\u304c\u534a\u5206\u4ee5\u4e0b\u306b\u306a\u3063\u305f\u304c\u3001\u52a3\u5316\u304c\u898b\u3089\u308c\u306a\u3044\uff1f
\n\u512a\u79c0\u3060…<\/p>\n
\u753b\u50cf\uff21 (180KB)
\n\"\"<\/p>\n
\u753b\u50cf\uff22 (393KB)
\n\"\"<\/p>\n
x. \u53c2\u8003\u60c5\u5831<\/h1>\n
https:\/\/www.npmjs.com\/package\/imagemin-pngquant
\nhttps:\/\/qiita.com\/sygnas\/items\/f6700c75df71b8888d80<\/p>\n
\n","protected":false},"excerpt":{"rendered":"
1. \u3084\u308a\u305f\u3044\u3053\u3068 JavaScript\u30d5\u30a1\u30a4\u30eb\u306e\u66f4\u65b0\u3092\u76e3\u8996\u3057\u3001\u81ea\u52d5\u7684\u306b\u753b\u50cf\u30d5\u30a1\u30a4\u30eb\u3092 minify\u3057\u305f\u3044\u3002 2. \u3084\u3063\u3066\u307f\u308b\uff01 (50) Node.js + gulp\u3067css\u30d5\u30a1\u30a4\u30eb\u3092\u81ea\u52d5\u5727\u7e2e \u3068\u307b\u3068\u3093\u3069\u540c\u3058\u3060\u3002 \u30d5\u30a1\u2026 \u7d9a\u304d\u3092\u8aad\u3080 »<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16,3,4,15],"tags":[],"class_list":["post-465","post","type-post","status-publish","format-standard","hentry","category-gulp","category-htmlcss","category-javascriptjquery","category-node-js"],"views":3277,"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.dogrow.net\/hp\/wp-json\/wp\/v2\/posts\/465","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dogrow.net\/hp\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dogrow.net\/hp\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dogrow.net\/hp\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dogrow.net\/hp\/wp-json\/wp\/v2\/comments?post=465"}],"version-history":[{"count":10,"href":"https:\/\/www.dogrow.net\/hp\/wp-json\/wp\/v2\/posts\/465\/revisions"}],"predecessor-version":[{"id":589,"href":"https:\/\/www.dogrow.net\/hp\/wp-json\/wp\/v2\/posts\/465\/revisions\/589"}],"wp:attachment":[{"href":"https:\/\/www.dogrow.net\/hp\/wp-json\/wp\/v2\/media?parent=465"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dogrow.net\/hp\/wp-json\/wp\/v2\/categories?post=465"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dogrow.net\/hp\/wp-json\/wp\/v2\/tags?post=465"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}