build: 👷 Migrate from rollup to esbuild

.editorconfig

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+# top-most EditorConfig file
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+indent_style = tab
+indent_size = 4
+tab_width = 4

.eslintignore

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+npm node_modules
+build

.eslintrc

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+{
+    "root": true,
+    "parser": "@typescript-eslint/parser",
+    "env": { "node": true },
+    "plugins": [
+      "@typescript-eslint"
+    ],
+    "extends": [
+      "eslint:recommended",
+      "plugin:@typescript-eslint/eslint-recommended",
+      "plugin:@typescript-eslint/recommended"
+    ], 
+    "parserOptions": {
+        "sourceType": "module"
+    },
+    "rules": {
+      "no-unused-vars": "off",
+      "@typescript-eslint/no-unused-vars": ["error", { "args": "none" }],
+      "@typescript-eslint/ban-ts-comment": "off",
+      "no-prototype-builtins": "off",
+      "@typescript-eslint/no-empty-function": "off"
+    } 
+  }

esbuild.config.mjs

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+import esbuild from 'esbuild';
+import process from 'process';
+import builtins from 'builtin-modules';
+
+import esbuildSvelte from 'esbuild-svelte';
+import sveltePreprocess from 'svelte-preprocess';
+
+const banner = `/*
+THIS IS A GENERATED/BUNDLED FILE BY ESBUILD
+if you want to view the source, please visit the github repository of this plugin
+*/
+`;
+
+const prod = process.argv[2] === 'production';
+
+esbuild
+	.build({
+		banner: {
+			js: banner
+		},
+		entryPoints: ['main.ts'],
+		bundle: true,
+		plugins: [
+			esbuildSvelte({
+				compilerOptions: { css: true },
+				preprocess: sveltePreprocess()
+			})
+		],
+		external: [
+			'obsidian',
+			'electron',
+			'@codemirror/autocomplete',
+			'@codemirror/closebrackets',
+			'@codemirror/collab',
+			'@codemirror/commands',
+			'@codemirror/comment',
+			'@codemirror/fold',
+			'@codemirror/gutter',
+			'@codemirror/highlight',
+			'@codemirror/history',
+			'@codemirror/language',
+			'@codemirror/lint',
+			'@codemirror/matchbrackets',
+			'@codemirror/panel',
+			'@codemirror/rangeset',
+			'@codemirror/rectangular-selection',
+			'@codemirror/search',
+			'@codemirror/state',
+			'@codemirror/stream-parser',
+			'@codemirror/text',
+			'@codemirror/tooltip',
+			'@codemirror/view',
+			...builtins
+		],
+		format: 'cjs',
+		watch: !prod,
+		target: 'es2018',
+		logLevel: 'info',
+		sourcemap: prod ? false : 'inline',
+		treeShaking: true,
+		outfile: 'main.js'
+	})
+	.catch(() => process.exit(1));