Add an article about development environment for Mapbox GL js.

content/labs/leaflet-js-mapbox-js/003-setup-dev-environment.md

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+title = "JavaScriptではじめるWebマップアプリケーション: Chapter2-2"
+date = 2019-05-01T21:07:08+07:00
+Description = "JavaScriptではじめるWebマップアプリケーションの内容を淡々と試してみます。"
+Categories = ["Leaflet.js"]
++++
+
+『[JavaScriptではじめるWebマップアプリケーション \(PDF版\)](https://booth.pm/ja/items/1314906)』の内容を淡々と試してみます。`Mapbox GL JS`で地図を表示してみます:
+
+<div id="mapbox-map"></div>
+
+<script src="https://api.tiles.mapbox.com/mapbox-gl-js/v0.52.0/mapbox-gl.js"></script>
+<link href="https://api.tiles.mapbox.com/mapbox-gl-js/v0.52.0/mapbox-gl.css" rel="stylesheet">
+
+<style type="text/css">
+<!--
+#mapbox-map {
+  height: 600px;
+}
+-->
+</style>
+
+<script>
+// MIERUNE MONO読み込み
+let map = new mapboxgl.Map({
+    container: "mapbox-map",
+    style: {
+        version: 8,
+        sources: {
+            m_mono: {
+                type: "raster",
+                tiles: ["https://tile.mierune.co.jp/mierune_mono/{z}/{x}/{y}.png"],
+                tileSize: 256
+            }
+        },
+        layers: [{
+            id: "m_mono",
+            type: "raster",
+            source: "m_mono",
+            minzoom: 0,
+            maxzoom: 18
+        }]
+    },
+    center: [139.7670, 35.6810],
+    zoom: 13
+});
+
+map.on("load", function() {
+
+});
+
+// ズームコントロール
+let nc = new mapboxgl.NavigationControl();
+map.addControl(nc, 'top-left');
+</script>
+
+## コード
+こんな形になります:
+
+```
+<div id="mapbox-map"></div>
+
+<script src="https://api.tiles.mapbox.com/mapbox-gl-js/v0.52.0/mapbox-gl.js"></script>
+<link href="https://api.tiles.mapbox.com/mapbox-gl-js/v0.52.0/mapbox-gl.css" rel="stylesheet">
+
+<style type="text/css">
+<!--
+#mapbox-map {
+  height: 600px;
+}
+-->
+</style>
+
+<script>
+// MIERUNE MONO読み込み
+let map = new mapboxgl.Map({
+    container: "mapbox-map",
+    style: {
+        version: 8,
+        sources: {
+            m_mono: {
+                type: "raster",
+                tiles: ["https://tile.mierune.co.jp/mierune_mono/{z}/{x}/{y}.png"],
+                tileSize: 256
+            }
+        },
+        layers: [{
+            id: "m_mono",
+            type: "raster",
+            source: "m_mono",
+            minzoom: 0,
+            maxzoom: 18
+        }]
+    },
+    center: [139.7670, 35.6810],
+    zoom: 13
+});
+
+map.on("load", function() {
+
+});
+
+// ズームコントロール
+let nc = new mapboxgl.NavigationControl();
+map.addControl(nc, 'top-left');
+</script>
+```