{"id":2157,"date":"2018-11-09T04:35:58","date_gmt":"2018-11-08T19:35:58","guid":{"rendered":"https:\/\/blog.capilano-fw.com\/?p=2157"},"modified":"2020-03-19T02:18:54","modified_gmt":"2020-03-18T17:18:54","slug":"electron-%e7%94%bb%e5%83%8f%e3%82%92%e3%83%89%e3%83%a9%e3%83%83%e3%82%b0%ef%bc%86%e3%83%89%e3%83%ad%e3%83%83%e3%83%97%e3%81%99%e3%82%8b%e3%81%a0%e3%81%91%e3%81%a7%e3%83%aa%e3%82%b5%e3%82%a4%e3%82%ba","status":"publish","type":"post","link":"https:\/\/blog.capilano-fw.com\/?p=2157","title":{"rendered":"Electron \u753b\u50cf\u3092\u30c9\u30e9\u30c3\u30b0\uff06\u30c9\u30ed\u30c3\u30d7\u3059\u308b\u3060\u3051\u3067\u30ea\u30b5\u30a4\u30ba\u3059\u308b\u30a2\u30d7\u30ea\u3092\u3064\u304f\u308b"},"content":{"rendered":"

\u3055\u3066\u3055\u3066\u3001\u5c11\u3057\u524d\u306b\u516c\u958b\u3057\u305f\u521d\u5fc3\u8005\u5411\u304d\uff01electron \u3067\u7c21\u5358\u306a\u30e1\u30e2\u5e33\u3092\u3064\u304f\u3063\u3066\u307f\u3088\u3046<\/a>\u3068\u3044\u3046\u8a18\u4e8b\u304c\u601d\u3044\u306e\u307b\u304b\u597d\u8a55\u306e\u3088\u3046\u3067\u3057\u305f\u3002<\/p>\n

\u6b63\u76f4\u306a\u6240Electron<\/code>\u306e\u958b\u767a\u306f\u500b\u4eba\u7684\u306b\u3082\u597d\u304d\u306a\u306e\u3067\u3001\u305b\u3063\u304b\u304f\u306a\u3089\u4f55\u304b\u30d6\u30ed\u30b0\u57f7\u7b46\u306b\u5f79\u7acb\u3064\u30a2\u30d7\u30ea\u3092\u3064\u304f\u3063\u3066\u307f\u3088\u3046\u3068\u8003\u3048\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n

\u305d\u3053\u3067\u3001\u4eca\u56de\u4f5c\u308b\u30a2\u30d7\u30ea\u306f \u753b\u50cf\u3092\u30c9\u30e9\u30c3\u30b0\uff06\u30c9\u30ed\u30c3\u30d7\u3059\u308b\u3060\u3051\u3067\u30ea\u30b5\u30a4\u30ba\u3059\u308b<\/strong> \u30a2\u30d7\u30ea\u3067\u3059\u3002\u3064\u307e\u308a\u3001\u30d5\u30a1\u30a4\u30eb\u3092\u9078\u3093\u3067\uff08\u8907\u6570\u53ef\uff09Electron\u306e\u30a6\u30a3\u30f3\u30c9\u30a6\u306b\u6301\u3063\u3066\u3044\u3051\u3070\u3001\u81ea\u52d5\u3067\u30ea\u30b5\u30a4\u30ba\u304c\u5b9f\u884c\u3067\u304d\u308b\u3068\u3044\u3046\u4fbf\u5229\u30a2\u30d7\u30ea\u3067\u3059\u306d\u3002<\/p>\n

\u3068\u3044\u3046\u306e\u3082\u3001\u3053\u306e\u30d6\u30ed\u30b0\u306e\u753b\u50cf\u306f\u6700\u5927\u6a2a\u5e45\u3092640px<\/code>\u3068\u6c7a\u3081\u3066\u3044\u3066\u3044\u308b\u306e\u3067\u3059\u304c\u3001\u305f\u307e\u306b\u5927\u304d\u306a\u753b\u50cf\u304c\u305f\u304f\u3055\u3093\u3042\u308b\u3068\u304d\u306f\u3044\u3061\u3044\u3061convert<\/code>\u30b3\u30de\u30f3\u30c9\u3092\u6253\u3063\u3066\u5909\u63db\u3057\u3066\u3044\u3066\u3001\u306a\u304b\u306a\u304b\u3081\u3093\u3069\u3046\u306a\u306e\u3067\u3059\u3002\uff08\u3082\u3063\u3068\u3044\u3046\u3068\u30d7\u30e9\u30b0\u30a4\u30f3\u3082\u5165\u308c\u3066\u307e\u3059\u304c\u3001\u3053\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u306f\u4e00\u65e6\u5225\u30b5\u30fc\u30d0\u30fc\u3078\u9001\u4fe1\u3057\u3066\u304b\u3089\u5909\u63db\u3057\u3001\u305d\u306e\u76f4\u5f8c\u306b\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u30bf\u30a4\u30d7\u306a\u306e\u3067\u3001\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u306b\u6642\u9593\u304c\u304b\u304b\u3063\u3066\u3057\u307e\u3046\u306e\u3067\u3059\u30fb\u30fb\u30fb\uff09<\/p>\n

\u3067\u306f\u3001\u3055\u3063\u305d\u304f\u958b\u767a\u3092\u59cb\u3081\u307e\u3057\u3087\u3046\uff01<\/p>\n

\"\"<\/p>\n

\u203b \u958b\u767a\u74b0\u5883\uff1a Electron\u00a02.0.5<\/p>\n

Electron\u958b\u767a\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b<\/h1>\n

\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306f\u3001\u521d\u5fc3\u8005\u5411\u304d\uff01electron \u3067\u7c21\u5358\u306a\u30e1\u30e2\u5e33\u3092\u3064\u304f\u3063\u3066\u307f\u3088\u3046<\/a>\u306e “electron\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb”<\/strong> \u306b\u8a73\u3057\u304f\u66f8\u3044\u3066\u3042\u308b\u306e\u3067\u3001\u305d\u3061\u3089\u3092\u898b\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n

\u30d5\u30a9\u30eb\u30c0\u540d\u306fauto-resize<\/code>\u3067\u3059\u3002<\/p>\n

\"\"<\/p>\n

\u30a2\u30d7\u30ea\u306e\u8a2d\u5b9a\u3092\u3059\u308b<\/h1>\n

\u30a2\u30d7\u30ea\u306e\u8a2d\u5b9a\u306fmain.js<\/code>\u3067\u884c\u3044\u307e\u3059\u3002<\/p>\n

\u3067\u306f\u3084\u3063\u3066\u307f\u307e\u3057\u3087\u3046\uff01<\/p>\n

const electron = require('electron')\r\nconst app = electron.app\r\nconst BrowserWindow = electron.BrowserWindow<\/strong>\r\n\r\nlet mainWindow\r\n\r\nfunction createWindow () {\r\n\r\n  const screen = electron.screen.getPrimaryDisplay()\r\n  const width = 350\r\n  const height = 350\r\n  const x = parseInt(screen.workAreaSize.width*0.5 - width*0.5)\r\n\r\n  \/\/ Create the browser window.\r\n  mainWindow = new BrowserWindow({\r\n    width: width,\r\n    height: height,\r\n    x: x,\r\n    y: 0,\r\n    autoHideMenuBar: true,\r\n    webPreferences: {\r\n        preload: path.join(__dirname, 'preload.js'), \r\n        nodeIntegration: true\r\n    }\r\n  })\r\n\r\n<\/strong>\/\/ \u7701\u7565<\/pre>\n
\u3010\u8ffd\u8a18\uff1a2020.3.19\u3011<\/strong>Electron v5<\/code>\u4ee5\u964d\u306e\u305f\u3081\u306bwebPreferences<\/code>\u3092\u8ffd\u52a0\u3057\u307e\u3057\u305f\u3002<\/p>\n
\u307e\u305a\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u8aad\u307f\u8fbc\u307f\u306f\u30e2\u30cb\u30bf\u30fc\uff08\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\uff09\u306e\u30b5\u30a4\u30ba\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081\u306belectron<\/code>\u304c\u5fc5\u8981\u306a\u306e\u3067\u3001\uff13\u884c\u306b\u5206\u3051\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u305d\u3057\u3066\u3001\u5b9f\u969b\u306b\u30a6\u30a3\u30f3\u30c9\u30a6\u3092\u4f5c\u308bcreateWindow()<\/code>\u306e\u4e2d\u3067\u306f\u3001\u30a6\u30a3\u30f3\u30c9\u30a6\u306e\u30b5\u30a4\u30ba\u3001\u30e1\u30cb\u30e5\u30fc\u30d0\u30fc\u975e\u8868\u793a\u3001\u305d\u3057\u3066\u4f4d\u7f6e\u304c\u30c8\u30c3\u30d7\u306e\u4e2d\u592e\u306b\u304f\u308b\u3088\u3046\u8a08\u7b97\u3057\u3066\u8a2d\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u3053\u308c\u3067\u3001\u3053\u306e\u30a2\u30d7\u30ea\u3092\u8d77\u52d5\u3059\u308b\u3068\u753b\u50cf\u306e\u4f4d\u7f6e\u306b\u30a6\u30a3\u30f3\u30c9\u30a6\u304c\u73fe\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n
\"\"<\/p>\n
\u30ec\u30a4\u30a2\u30a6\u30c8\u3092\u3064\u304f\u308b<\/h1>\n
\u3067\u306f\u3001\u30a2\u30d7\u30ea\u306e\u30ec\u30a4\u30a2\u30a6\u30c8\u3092\u3064\u304f\u308a\u307e\u3057\u3087\u3046\u3002
\n\u3084\u306f\u308a\u3053\u3053\u306fCSS\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3092\u4f7f\u3063\u3066\u30b5\u30af\u30c3\u3068\u3064\u304f\u308a\u305f\u3044\u306e\u3067\u6b21\u306e\u30b3\u30de\u30f3\u30c9\u3067bootstrap<\/code>\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002<\/p>\n
npm install bootstrap --save<\/strong><\/pre>\n
\u307e\u305f\u3001\u4eca\u56de\u3082JS\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306b\u306fVue<\/code>\u3092\u4f7f\u3046\u306e\u3067\u3053\u3061\u3089\u3082\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002<\/p>\n
npm install vue --save<\/strong><\/pre>\n
\u3067\u306f\u3001index.html<\/code>\u306b\u3053\u306e\uff12\u3064\u3092\u30bb\u30c3\u30c8\u3057\u3066\u30ec\u30a4\u30a2\u30a6\u30c8\u3092\u4f5c\u308a\u307e\u3059\u3002\uff08bootstrap\u306fCSS\u3060\u3051\u4f7f\u3044\u307e\u3059\uff09<\/p>\n
<!DOCTYPE html>\r\n<html>\r\n<head>\r\n    <title>\u753b\u50cf\u30ea\u30b5\u30a4\u30ba<\/title>\r\n    <meta charset=\"UTF-8\">\r\n    <link rel=\"stylesheet\" href=\".\/node_modules\/bootstrap\/dist\/css\/bootstrap.min.css\"><\/strong>\r\n    <style><\/strong>\r\n\r\n        .receiving-box-outer {<\/strong>\r\n            display: table;<\/strong>\r\n            width: 100%;<\/strong>\r\n            padding: 15px 0;<\/strong>\r\n        }<\/strong>\r\n        .receiving-box-inner {<\/strong>\r\n            height: 230px;<\/strong>\r\n            color: #777;<\/strong>\r\n            border: 10px dashed #aaa;<\/strong>\r\n            border-radius: 10px;<\/strong>\r\n            display: table-cell;<\/strong>\r\n            vertical-align: middle;<\/strong>\r\n            text-align: center;<\/strong>\r\n        }<\/strong>\r\n\r\n    <\/style><\/strong>\r\n<\/head>\r\n<body>\r\n<div id=\"app\" class=\"container\"><\/strong>\r\n    <div class=\"receiving-box-outer\"><\/strong>\r\n        <div class=\"receiving-box-inner\">\u753b\u50cf\u3092\u30c9\u30e9\u30c3\u30b0\uff06\u30c9\u30ed\u30c3\u30d7\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/div><\/strong>\r\n    <\/div><\/strong>\r\n    <div class=\"row\"><\/strong>\r\n        <div class=\"col-6\"><\/strong>\r\n            <label class=\"text-muted\">\u6a2a\u5e45\uff1a<\/label><\/strong>\r\n        <\/div><\/strong>\r\n        <div class=\"col-6\"><\/strong>\r\n            <label class=\"text-muted\">\u9ad8\u3055\uff1a<\/label><\/strong>\r\n        <\/div><\/strong>\r\n    <\/div><\/strong>\r\n    <div class=\"row\"><\/strong>\r\n        <div class=\"col-6\"><\/strong>\r\n            <input type=\"number\" min=\"0\" class=\"form-control\" placeholder=\"\u4f8b\uff1a 640\"><\/strong>\r\n        <\/div><\/strong>\r\n        <div class=\"col-6\"><\/strong>\r\n            <input type=\"number\" min=\"0\" class=\"form-control\" placeholder=\"\u4f8b\uff1a 0\uff08\u81ea\u52d5\uff09\"><\/strong>\r\n        <\/div><\/strong>\r\n    <\/div><\/strong>\r\n<\/div><\/strong>\r\n<script>\r\n    require('.\/renderer.js')\r\n<\/script>\r\n<\/body>\r\n<\/html><\/pre>\n
\u3053\u306e\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3068\u3053\u3046\u306a\u308a\u307e\u3059\u3002<\/p>\n
\"\"<\/p>\n
JavaScript\u90e8\u5206\u3092\u3064\u304f\u308b<\/h1>\n
\u3067\u306f\u672c\u984c\u306e\u753b\u50cf\u3092\u30ea\u30b5\u30a4\u30ba\u3059\u308b\u90e8\u5206\u3092\u4f5c\u3063\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n
Vue\u306e\u57fa\u672c\u5f62\u3092\u3064\u304f\u308b<\/h2>\n
\u307e\u305aVue.js\u3092\u8aad\u307f\u8fbc\u307f\u57fa\u672c\u5f62\u3092\u4f5c\u308a\u307e\u3059\u3002<\/p>\n
<script src=\".\/node_modules\/vue\/dist\/vue.min.js\"><\/script><\/strong>\r\n<script><\/strong>\r\n\r\n    new Vue({<\/strong>\r\n        el: '#app'<\/strong>\r\n    })<\/strong>\r\n\r\n<\/script><\/strong><\/pre>\n
\u3082\u3061\u308d\u3093HTML\u30bf\u30b0\u3078id\u767b\u9332\u3059\u308b\u306e\u3082\u5fd8\u308c\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002<\/p>\n
<div id=\"app\"<\/strong> class=\"container\"><\/pre>\n
\u6a2a\u5e45\u30fb\u9ad8\u3055\u306e\u5165\u529b\u90e8\u5206\u3092\u3064\u304f\u308b<\/h2>\n
\u30b5\u30a4\u30ba\u6307\u5b9a\u306e\u5165\u529b\u30dc\u30c3\u30af\u30b9\u306b\u5909\u6570width<\/code>\u3001height<\/code>\u3092\u305d\u308c\u305e\u308cv-model<\/code>\u3067\u30d0\u30a4\u30f3\u30c7\u30a3\u30f3\u30b0\u3057\u3066\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306b\u4e2d\u8eab\u304c\u5909\u66f4\u3055\u308c\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u521d\u671f\u5024\u3082\u4ee3\u5165\u3057\u307e\u3059\u3002<\/p>\n
<input type=\"number\" min=\"0\" class=\"form-control\" placeholder=\"\u4f8b\uff1a 640\" v-model=\"width\"<\/strong>>\r\n\r\n<!-- \u7701\u7565 -->\r\n\r\n<input type=\"number\" min=\"0\" class=\"form-control\" placeholder=\"\u4f8b\uff1a 0\uff08\u81ea\u52d5\uff09\" v-model=\"height\"<\/strong>><\/pre>\n
new Vue({\r\n    el: '#app',\r\n    data: {<\/strong>\r\n        width: 640,<\/strong>\r\n        height: 0<\/strong>\r\n    }<\/strong>\r\n})<\/pre>\n
\u30c9\u30e9\u30c3\u30b0\uff06\u30c9\u30ed\u30c3\u30d7\u306e\u30a4\u30d9\u30f3\u30c8\u3092\u3064\u304f\u308b<\/h2>\n
\u3067\u306f\u7d9a\u3044\u3066\u753b\u50cf\u304c\u30c9\u30e9\u30c3\u30b0\uff06\u30c9\u30ed\u30c3\u30d7\u3055\u308c\u305f\u3068\u304d\u306e\u30a4\u30d9\u30f3\u30c8\u3092\u3064\u304f\u308a\u307e\u3059\u3002
\n\u30da\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u305f\u6642\u70b9\u3067\u5fc5\u305a\u5b9f\u884c\u3055\u308c\u308bmounted<\/code>\u5185\u306b\u30b3\u30fc\u30c9\u3092\u66f8\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n
mounted() {\r\n\r\n    document.ondragover =<\/strong>\r\n    document.ondragenter =<\/strong>\r\n    document.ondrop =<\/strong>\r\n    document.ondragleave = (e) => {<\/strong>\r\n\r\n        if(e.type == 'drop') {<\/strong>\r\n\r\n            const files = e.dataTransfer.files<\/strong>\r\n            this.resize(files) <\/strong>\/\/ \u3053\u3053\u3067\u753b\u50cf\u3092\u30ea\u30b5\u30a4\u30ba\r\n\r\n        }<\/strong>\r\n\r\n        e.preventDefault();<\/strong>\r\n\r\n    }<\/strong>\r\n\r\n}<\/pre>\n
\u203b \u3061\u306a\u307f\u306bondrop<\/code>\u3060\u3051\u3067\u3044\u3044\u3088\u3046\u306a\u6c17\u304c\u3057\u307e\u3059\u304c\u3001\u5b9f\u969b\u306b\u306f\u305d\u306e\u4ed6\u306e\u30a4\u30d9\u30f3\u30c8\u3067e.preventDefault()<\/code>\u3092\u3057\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u753b\u50cf\u7de8\u96c6\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b<\/h2>\n
\u3067\u306f\u3001\u5b9f\u969b\u306b\u753b\u50cf\u3092\u30ea\u30b5\u30a4\u30ba\u3059\u308b\u30b3\u30fc\u30c9\u3092\u3064\u304f\u308b\u524d\u306bJavaScript\u3067\u753b\u50cf\u7de8\u96c6\u304c\u3067\u304d\u308blovell\/sharp<\/a>\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n
npm install sharp --save<\/strong><\/pre>\n
\u305d\u3057\u3066\u3001sharp<\/code>\u3092\u8aad\u307f\u8fbc\u307f\u307e\u3059\u3002<\/p>\n
<script>\r\n    require('.\/renderer.js')\r\n    const sharp = require('sharp');<\/strong>\r\n<\/script><\/pre>\n
\uff08\u6ce8\u610f\uff09<\/strong>\u305f\u3060\u3057\u3001\u3053\u308c\u3060\u3051\u3067\u306f\u5b9f\u969b\u306b\u306f\u30a2\u30d7\u30ea\u306f\u8d77\u52d5\u3067\u304d\u306a\u304f\u306a\u308a\u307e\u3059\u3002\u306a\u305c\u306a\u3089\u3001sharp<\/code>\u306fnode<\/code>\u306e\u30cd\u30a4\u30c6\u30a3\u30d6\u30e2\u30b8\u30e5\u30fc\u30eb\u306a\u306e\u3067\u3001electron<\/code>\u7528\u306b\u518d\u69cb\u7bc9\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u304b\u3089\u3067\u3059\u3002<\/p>\n
\u305d\u306e\u305f\u3081\u3001\u7d9a\u3044\u3066\u6b21\u306e\u4f5c\u696d\u3082\u5b9f\u884c\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002
\n\u307e\u305a\u518d\u69cb\u7bc9\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002<\/p>\n
npm install --save-dev electron-rebuild<\/strong><\/pre>\n
\u305d\u3057\u3066\u3001\u6b21\u306e\u30b3\u30de\u30f3\u30c9\u3067\u518d\u69cb\u7bc9\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n
.\/node_modules\/.bin\/electron-rebuild<\/strong><\/pre>\n
\u753b\u50cf\u30ea\u30b5\u30a4\u30ba\u90e8\u5206\u3092\u3064\u304f\u308b<\/h2>\n
\u307e\u305a\u306f\u3001\u30d5\u30a1\u30a4\u30eb\u64cd\u4f5c\u306b\u5fc5\u8981\u306a\uff12\u3064\u306e\u30e2\u30b8\u30e5\u30fc\u30ebfs<\/code>\u3001path<\/code>\u3092\u547c\u3073\u51fa\u3057\u307e\u3059\u3002<\/p>\n
<script>\r\n    require('.\/renderer.js')\r\n    const sharp = require('sharp');\r\n    const fs = require('fs');<\/strong>\r\n    const path = require('path');<\/strong>\r\n<\/script><\/pre>\n
\u305d\u3057\u3066\u3001methods<\/code>\u306bresize()<\/code>\u3092\u4f5c\u3063\u3066\u3053\u306e\u4e2d\u3067\u753b\u50cf\u3092\u30ea\u30b5\u30a4\u30ba\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n
methods: {\r\n    resize(files) {\r\n\r\n        const width = parseInt(this.width)\r\n        const height = parseInt(this.height)\r\n\r\n        if(width > 0 || height > 0) {\r\n\r\n            for(file of files) {\r\n\r\n                \/\/ \u30d5\u30a1\u30a4\u30eb\u30bf\u30a4\u30d7\u30fb\u30c1\u30a7\u30c3\u30af\r\n                if(!file.type.startsWith('image\/')) {<\/strong>\r\n\r\n                    continue<\/strong>\r\n\r\n                }<\/strong>\r\n\r\n                \/\/ \u30ea\u30b5\u30a4\u30ba\u60c5\u5831\r\n                let dir = path.dirname(file.path)<\/strong>\r\n                let extension = path.extname(file.path)<\/strong>\r\n                let filename = path.basename(file.path, extension)<\/strong>\r\n                let savePath = dir +'\/resize-'+ filename + extension<\/strong>\r\n                let size = {<\/strong>\r\n                    width: (width > 0) ? width : null,<\/strong>\r\n                    height: (height > 0) ? height : null,<\/strong>\r\n                    fit: (width > 0 && height > 0) ? sharp.fit.fill : null<\/strong>\r\n                }<\/strong>\r\n\r\n                \/\/ \u30ea\u30b5\u30a4\u30ba\r\n                sharp(file.path)<\/strong>\r\n                    .resize(size)<\/strong>\r\n                    .toBuffer()<\/strong>\r\n                    .then((data) => {<\/strong>\r\n\r\n                        \/\/ \u4fdd\u5b58<\/strong>\r\n                        fs.writeFileSync(savePath, data, 'binary')<\/strong>\r\n\r\n                    })<\/strong>\r\n\r\n            }\r\n\r\n        } else {\r\n\r\n            alert('\u6700\u4f4e\u3067\u3082\u6a2a\u5e45\u304b\u9ad8\u3055\u306f\u6307\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002')\r\n\r\n        }\r\n\r\n    }\r\n},<\/pre>\n
\u3084\u3063\u3066\u3044\u308b\u3053\u3068\u306f\u3001files<\/code>\u3092\u30eb\u30fc\u30d7\u3067\u3072\u3068\u3064\u305a\u3064\u51e6\u7406\u3092\u3057\u306a\u304c\u3089\u3001<\/p>\n
    \n
  1. \u30d5\u30a1\u30a4\u30eb\u304c\u753b\u50cf\u304b\u3069\u3046\u304b\u3092\u30c1\u30a7\u30c3\u30af<\/li>\n
  2. \u3082\u3057\u753b\u50cf\u306a\u3089\u30ea\u30b5\u30a4\u30ba\u60c5\u5831\u3092\u3064\u304f\u308b<\/li>\n
  3. \u305d\u3057\u3066 “sharp” \u3092\u4f7f\u3063\u3066\u753b\u50cf\u3092\u30ea\u30b5\u30a4\u30ba\u3057\u3066\u4fdd\u5b58\uff08\uff0a\uff11\uff09<\/li>\n<\/ol>\n
    \u203b\uff11\u3000\u30fb\u30fb\u30fb\u3000\u753b\u50cf\u306e\u30d5\u30a1\u30a4\u30eb\u540d\u306fresize-******<\/code>\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
    \u306a\u304a\u3001\u30ea\u30b5\u30a4\u30ba\u60c5\u5831\u306b\u3042\u308bsharp.fit.fill<\/code>\u306f\u30a2\u30b9\u30da\u30af\u30c8\u6bd4\uff08\u7e26\u6a2a\u6bd4\uff09\u3092\u7121\u8996\u3059\u308b\u8a2d\u5b9a\u3067\u3059\u3002<\/p>\n
    \u30c6\u30b9\u30c8\u3057\u3066\u307f\u308b<\/h1>\n
    \u3067\u306f\u6b21\u306e\u753b\u50cf\u3092\u4f7f\u3063\u3066\u5b9f\u969b\u306b\u30c6\u30b9\u30c8\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
    \"\"<\/p>\n
    \uff08\u5143\u753b\u50cf\u306e\u30b5\u30a4\u30ba\uff1a 300 x 320 \u30d4\u30af\u30bb\u30eb\uff09<\/p>\n
    \u6a2a\u5e45\u3092\u6c7a\u3081\u3066\u30ea\u30b5\u30a4\u30ba\u3059\u308b<\/h2>\n
    \u307e\u305a\u306f\u6a2a\u5e45\u3092150px<\/code>\u3001\u9ad8\u3055\u30920<\/code>\uff08\u81ea\u52d5\uff09\u306b\u3057\u3066\u3084\u3063\u3066\u307f\u307e\u3057\u3087\u3046\u3002
    \n\u30d5\u30a1\u30a4\u30eb\u3092\u30a2\u30d7\u30ea\u306e\u4e2d\u3078\u30c9\u30e9\u30c3\u30b0\uff06\u30c9\u30ed\u30c3\u30d7\u3057\u307e\u3059\u3002<\/p>\n
    \"\"<\/p>\n
    \u3059\u308b\u3068\u65b0\u3057\u3044\u753b\u50cf\u304c\u4f5c\u6210\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n
    \"\"<\/p>\n
    \u5b9f\u969b\u306b\u4f5c\u6210\u3055\u308c\u305f\u753b\u50cf\u3067\u3059\u3002<\/p>\n
    \"\"<\/p>\n
    \u6a2a\u5e45150px<\/code>\u3001\u9ad8\u3055\u304c160px<\/code>\u306e\u753b\u50cf\u304c\u3067\u304d\u307e\u3057\u305f\u3002
    \n\u6210\u529f\u3067\u3059\uff01<\/p>\n
    \u9ad8\u3055\u3092\u6c7a\u3081\u3066\u30ea\u30b5\u30a4\u30ba\u3059\u308b<\/h2>\n
    \u3067\u306f\u3001\u6b21\u306f\u9006\u306b\u6a2a\u5e45\u30920<\/code>\uff08\u81ea\u52d5\uff09\u306b\u3057\u3066\u3001\u9ad8\u3055200px<\/code>\u3067\u3084\u3063\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
    \"\"<\/p>\n
    \u7d50\u679c\u306f\u3053\u3046\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n
    \"\"<\/p>\n
    \u6a2a\u5e45188px<\/code>\u3001\u9ad8\u3055\u304c200px<\/code>\u306e\u753b\u50cf\u3067\u3059\u3002<\/p>\n
    \u6a2a\u5e45\u3068\u9ad8\u3055\u3092\u6c7a\u3081\u3066\u30ea\u30b5\u30a4\u30ba\u3059\u308b<\/h2>\n
    \u3067\u306f\u3001\u6700\u5f8c\u306b\u6a2a\u5e45\u3092300px<\/code>\u3001\u9ad8\u3055150px<\/code>\u3067\u3084\u3063\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
    \"\"<\/p>\n
    \u7d50\u679c\u3067\u3059\u3002<\/p>\n
    \"\"<\/p>\n
    \u753b\u50cf\u3068\u3057\u3066\u306f\u6b6a\u3093\u3067\u3057\u307e\u3044\u307e\u3057\u305f\u304c\u3001\u601d\u3044\u901a\u308a\u306b\u3044\u304d\u307e\u3057\u305f\u3002<\/p>\n
    \u304a\u307e\u3051<\/h1>\n
    \u30d5\u30a9\u30fc\u30ab\u30b9\u3057\u305f\u3089\u6570\u5b57\u3092\u81ea\u52d5\u9078\u629e\u3059\u308b\u3088\u3046\u306b\u3059\u308b<\/h2>\n
    \u3044\u3061\u3044\u3061\u6a2a\u5e45\u3084\u9ad8\u3055\u306e\u6570\u5b57\u3092\u6d88\u3057\u3066\u304b\u3089\u5165\u529b\u3059\u308b\u306e\u306f\u3081\u3093\u3069\u3046\u306a\u306e\u3067\u3001\u30d5\u30a9\u30fc\u30ab\u30b9\u304c\u3042\u305f\u3063\u305f\u3089\u9078\u629e\u72b6\u614b\u306b\u3059\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n
    <input type=\"number\" min=\"0\" class=\"form-control\" placeholder=\"\u4f8b\uff1a 1280\" v-model=\"width\" @focus=\"($event.target.select())\"<\/strong>>\r\n<input type=\"number\" min=\"0\" class=\"form-control\" placeholder=\"\u4f8b\uff1a 0\uff08\u81ea\u52d5\uff09\" v-model=\"height\" @focus=\"($event.target.select())\"<\/strong>><\/pre>\n
    \"\"<\/p>\n
    \u6700\u5f8c\u306e\u6a2a\u5e45\u3068\u9ad8\u3055\u3092\u81ea\u52d5\u4fdd\u5b58\u3059\u308b<\/h2>\n
    \u6bce\u56de\u30b5\u30a4\u30ba\u3092\u5165\u529b\u3059\u308b\u306e\u306f\u3081\u3093\u3069\u3046\u306a\u306e\u3067\u3001\u6a2a\u5e45\u3068\u9ad8\u3055\u306e\u30c7\u30fc\u30bf\u3092json<\/code>\u30d5\u30a1\u30a4\u30eb\u306b\u4fdd\u5b58\u3057\u3001\u30a2\u30d7\u30ea\u8d77\u52d5\u6642\u306b\u524d\u306e\u30c7\u30fc\u30bf\u3092\u4ee3\u5165\u3059\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n
    \u30b5\u30a4\u30ba\u3092\u4fdd\u5b58\u3059\u308b\u30b3\u30fc\u30c9<\/h3>\n
    \u307e\u305a\u3001\u5909\u6570\u304c\u5909\u5316\u3057\u305f\u3068\u304d\u306b\u547c\u3070\u308c\u308bwatch<\/code>\u306bwidth<\/code>\u3068height<\/code>\u3092\u76e3\u8996\u3059\u308b\u3088\u3046\u306b\u3057\u3001\u5909\u5316\u304c\u3042\u3063\u305f\u3089saveSize()<\/code>\u3092\u547c\u3076\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n
    watch: {\r\n    width() {\r\n        this.saveSize()\r\n    },\r\n    height() {\r\n        this.saveSize()\r\n    }\r\n},<\/strong><\/pre>\n
    \u305d\u3057\u3066\u3001saveSize()<\/code>\u3067\u306f\u3053\u308c\u3089\u6a2a\u5e45\u3068\u9ad8\u3055\uff12\u3064\u306e\u30c7\u30fc\u30bf\u3092JSON\u306b\u3057\u3066\u4fdd\u5b58\u3057\u307e\u3059\u3002<\/p>\n
    saveSize() {<\/strong>\r\n    const json = JSON.stringify({<\/strong>\r\n        width: this.width,<\/strong>\r\n        height: this.height<\/strong>\r\n    });<\/strong>\r\n    fs.writeFileSync('size.json', json)<\/strong>\r\n}<\/strong><\/pre>\n
    \u30b5\u30a4\u30ba\u3092\u547c\u3073\u51fa\u3059\u30b3\u30fc\u30c9<\/h3>\n
    \u307e\u305a\u3001\u4fdd\u5b58\u3057\u305fJSON\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u30b5\u30a4\u30ba\u3092\u53d6\u5f97\u3059\u308bloadSize()<\/code>\u3092\u4f5c\u308a\u307e\u3059\u3002<\/p>\n
    loadSize() {<\/strong>\r\n    if(fs.existsSync('size.json')) {<\/strong>\r\n        const json = fs.readFileSync('size.json')<\/strong>\r\n        const size = JSON.parse(json)<\/strong>\r\n        this.width = size.width<\/strong>\r\n        this.height = size.height<\/strong>\r\n    }<\/strong>\r\n}<\/strong><\/pre>\n
    \u305d\u3057\u3066\u3001mounted()<\/code>\u306e\u4e2d\u3067\u3053\u306eloadSize()<\/code>\u3092\u547c\u3076\u3088\u3046\u306b\u3059\u308c\u3070OK\u3067\u3059\u3002<\/p>\n
    mounted() {\r\n\r\n    this.loadSize()<\/strong>\r\n\r\n    \/\/ \u7701\u7565\r\n\r\n}<\/pre>\n
    \u203b \u306a\u304a\u3001\u8aac\u660e\u306e\u305f\u3081\u306b\u76f4\u66f8\u304d\u3057\u307e\u3057\u305f\u304c\u3001size.json<\/code>\u30d5\u30a1\u30a4\u30eb\u540d\u306f\u4e00\u5143\u7ba1\u7406\u3059\u3079\u304d\u306a\u306e\u3067data<\/code>\u306b\u5165\u308c\u3066\u304a\u304f\u3079\u304d\u3067\u3059\u3002<\/p>\n
    data: {\r\n    width: 640,\r\n    height: 0,\r\n    sizeJsonFile: 'size.json'<\/strong>\r\n},<\/pre>\n
    \u6559\u6750\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b<\/h1>\n
    \u4eca\u56de\u5b9f\u969b\u306b\u958b\u767a\u3057\u305f\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u4e00\u5f0f\u3092\u4ee5\u4e0b\u304b\u3089\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
    \u203b \u305f\u3060\u3057\u3001npm<\/code>\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u306a\u3069\u306f\u3054\u81ea\u8eab\u3067\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u304f\u3060\u3055\u3044\u3002\uff08npm install \u3067OK\u306a\u306f\u305a\u3067\u3059\uff09<\/p>\n\n\tElectron \u753b\u50cf\u3092\u30c9\u30e9\u30c3\u30b0\uff06\u30c9\u30ed\u30c3\u30d7\u3059\u308b\u3060\u3051\u3067\u30ea\u30b5\u30a4\u30ba\u3059\u308b\u30a2\u30d7\u30ea<\/a>\n\n
     <\/p>\n","protected":false},"excerpt":{"rendered":"
    \u3055\u3066\u3055\u3066\u3001\u5c11\u3057\u524d\u306b\u516c\u958b\u3057\u305f\u521d\u5fc3\u8005\u5411\u304d\uff01electron \u3067\u7c21\u5358\u306a\u30e1\u30e2\u5e33\u3092\u3064\u304f\u3063\u3066\u307f\u3088\u3046\u3068\u3044\u3046\u8a18\u4e8b\u304c\u601d\u3044\u306e\u307b\u304b\u597d\u8a55\u306e\u3088\u3046\u3067\u3057\u305f\u3002 \u6b63\u76f4\u306a\u6240Electron\u306e\u958b\u767a\u306f … <\/p>\n
    “Electron \u753b\u50cf\u3092\u30c9\u30e9\u30c3\u30b0\uff06\u30c9\u30ed\u30c3\u30d7\u3059\u308b\u3060\u3051\u3067\u30ea\u30b5\u30a4\u30ba\u3059\u308b\u30a2\u30d7\u30ea\u3092\u3064\u304f\u308b” \u306e<\/span>\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>\n","protected":false},"author":1,"featured_media":2188,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[49,19,12,97],"tags":[107,83],"class_list":["post-2157","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-electron","category-javascript","category-vue-js","category-97","tag-107","tag-83"],"_links":{"self":[{"href":"https:\/\/blog.capilano-fw.com\/index.php?rest_route=\/wp\/v2\/posts\/2157","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.capilano-fw.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.capilano-fw.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.capilano-fw.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.capilano-fw.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2157"}],"version-history":[{"count":9,"href":"https:\/\/blog.capilano-fw.com\/index.php?rest_route=\/wp\/v2\/posts\/2157\/revisions"}],"predecessor-version":[{"id":6248,"href":"https:\/\/blog.capilano-fw.com\/index.php?rest_route=\/wp\/v2\/posts\/2157\/revisions\/6248"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.capilano-fw.com\/index.php?rest_route=\/wp\/v2\/media\/2188"}],"wp:attachment":[{"href":"https:\/\/blog.capilano-fw.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2157"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.capilano-fw.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2157"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.capilano-fw.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2157"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}