diff --git a/.eslintrc.js b/.eslintrc.js
index 2c7f2ed1b4..2023207f74 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -22,14 +22,7 @@ module.exports = {
 		'arrow-spacing': 2,
 		'no-inner-declarations': 0,
 		'require-atomic-updates': 'off',
-		'@typescript-eslint/indent': [
-			'error',
-			'tab',
-			{
-				SwitchCase: 1,
-				ignoredNodes: ['TemplateLiteral']
-			}
-		],
+		'@typescript-eslint/indent': 'off',
 		'@typescript-eslint/camelcase': 'off',
 		'@typescript-eslint/no-use-before-define': 'off',
 		'@typescript-eslint/array-type': ['error', 'array-simple'],
diff --git a/src/compiler/compile/Component.ts b/src/compiler/compile/Component.ts
index 678f79f3c9..032358b151 100644
--- a/src/compiler/compile/Component.ts
+++ b/src/compiler/compile/Component.ts
@@ -71,8 +71,8 @@ export default class Component {
 
 	hoistable_nodes: Set<Node> = new Set();
 	node_for_declaration: Map<string, Node> = new Map();
-	partly_hoisted: (Node | Node[])[] = [];
-	fully_hoisted: (Node | Node[])[] = [];
+	partly_hoisted: Array<(Node | Node[])> = [];
+	fully_hoisted: Array<(Node | Node[])> = [];
 	reactive_declarations: Array<{
 		assignees: Set<string>;
 		dependencies: Set<string>;
diff --git a/src/compiler/compile/create_module.ts b/src/compiler/compile/create_module.ts
index 5f2f0cebfd..df85c276ea 100644
--- a/src/compiler/compile/create_module.ts
+++ b/src/compiler/compile/create_module.ts
@@ -62,7 +62,7 @@ function esm(
 			imported: { type: 'Identifier', name: h.name }
 		})),
 		source: { type: 'Literal', value: internal_path }
-	}
+	};
 
 	const internal_globals = globals.length > 0 && {
 		type: 'VariableDeclaration',
diff --git a/src/compiler/compile/css/interfaces.ts b/src/compiler/compile/css/interfaces.ts
index 64dd8b3374..103bc18d79 100644
--- a/src/compiler/compile/css/interfaces.ts
+++ b/src/compiler/compile/css/interfaces.ts
@@ -1,4 +1,4 @@
-export type CssNode = {
+export interface CssNode {
 	type: string;
 	start: number;
 	end: number;
diff --git a/src/compiler/compile/nodes/EachBlock.ts b/src/compiler/compile/nodes/EachBlock.ts
index 70b3340ce5..85da0a2210 100644
--- a/src/compiler/compile/nodes/EachBlock.ts
+++ b/src/compiler/compile/nodes/EachBlock.ts
@@ -37,7 +37,7 @@ function unpack_destructuring(contexts: Context[], node: Node, modifier: (node:
 				const replacement: RestElement = {
 					type: 'RestElement',
 					argument: property.key as Identifier
-				}
+				};
 
 				node.properties[i] = replacement;
 
diff --git a/src/compiler/compile/nodes/shared/Expression.ts b/src/compiler/compile/nodes/shared/Expression.ts
index 24753ee40b..99d063a98d 100644
--- a/src/compiler/compile/nodes/shared/Expression.ts
+++ b/src/compiler/compile/nodes/shared/Expression.ts
@@ -32,7 +32,7 @@ export default class Expression {
 	// TODO apparently unnecessary?
 	// is_synthetic: boolean;
 
-	declarations: (Node | Node[])[] = [];
+	declarations: Array<(Node | Node[])> = [];
 	uses_context = false;
 
 	manipulated: Node;
diff --git a/src/compiler/compile/render_dom/Block.ts b/src/compiler/compile/render_dom/Block.ts
index 60044ab037..7e25cd0f56 100644
--- a/src/compiler/compile/render_dom/Block.ts
+++ b/src/compiler/compile/render_dom/Block.ts
@@ -44,18 +44,18 @@ export default class Block {
 	}>;
 
 	chunks: {
-		init: (Node | Node[])[];
-		create: (Node | Node[])[];
-		claim: (Node | Node[])[];
-		hydrate: (Node | Node[])[];
-		mount: (Node | Node[])[];
-		measure: (Node | Node[])[];
-		fix: (Node | Node[])[];
-		animate: (Node | Node[])[];
-		intro: (Node | Node[])[];
-		update: (Node | Node[])[];
-		outro: (Node | Node[])[];
-		destroy: (Node | Node[])[];
+		init: Array<Node | Node[]>;
+		create: Array<Node | Node[]>;
+		claim: Array<Node | Node[]>;
+		hydrate: Array<Node | Node[]>;
+		mount: Array<Node | Node[]>;
+		measure: Array<Node | Node[]>;
+		fix: Array<Node | Node[]>;
+		animate: Array<Node | Node[]>;
+		intro: Array<Node | Node[]>;
+		update: Array<Node | Node[]>;
+		outro: Array<Node | Node[]>;
+		destroy: Array<Node | Node[]>;
 	};
 
 	event_listeners: Node[] = [];
@@ -69,7 +69,7 @@ export default class Block {
 	outros: number;
 
 	aliases: Map<string, Identifier>;
-	variables: Map<string, { id: Identifier, init?: Node }> = new Map();
+	variables: Map<string, { id: Identifier; init?: Node }> = new Map();
 	get_unique_name: (name: string) => Identifier;
 
 	has_update_method = false;
@@ -249,7 +249,7 @@ export default class Block {
 
 		const noop = x`@noop`;
 
-		properties.key = key
+		properties.key = key;
 
 		if (this.first) {
 			properties.first = x`null`;
diff --git a/src/compiler/compile/render_dom/Renderer.ts b/src/compiler/compile/render_dom/Renderer.ts
index cf148df304..624886c2c7 100644
--- a/src/compiler/compile/render_dom/Renderer.ts
+++ b/src/compiler/compile/render_dom/Renderer.ts
@@ -11,7 +11,7 @@ export default class Renderer {
 
 	blocks: Array<Block | Node | Node[]> = [];
 	readonly: Set<string> = new Set();
-	meta_bindings: (Node | Node[])[] = []; // initial values for e.g. window.innerWidth, if there's a <svelte:window> meta tag
+	meta_bindings: Array<Node | Node[]> = []; // initial values for e.g. window.innerWidth, if there's a <svelte:window> meta tag
 	binding_groups: string[] = [];
 
 	block: Block;
diff --git a/src/compiler/compile/render_dom/index.ts b/src/compiler/compile/render_dom/index.ts
index 0d8a29d63b..4dbe5bb059 100644
--- a/src/compiler/compile/render_dom/index.ts
+++ b/src/compiler/compile/render_dom/index.ts
@@ -475,7 +475,7 @@ export default function dom(
 				value: x`function() {
 					return [${props.map(prop => x`"${prop.export_name}"`)}];
 				}` as FunctionExpression
-			})
+			});
 		}
 
 		declaration.body.body.push(...accessors);
diff --git a/src/compiler/compile/render_dom/wrappers/AwaitBlock.ts b/src/compiler/compile/render_dom/wrappers/AwaitBlock.ts
index 0a4262181e..0497ca5d56 100644
--- a/src/compiler/compile/render_dom/wrappers/AwaitBlock.ts
+++ b/src/compiler/compile/render_dom/wrappers/AwaitBlock.ts
@@ -188,7 +188,7 @@ export default class AwaitBlockWrapper extends Wrapper {
 		const dependencies = this.node.expression.dynamic_dependencies();
 
 		if (dependencies.length > 0) {
-			let condition = x`
+			const condition = x`
 				${changed(dependencies)} &&
 				${promise} !== (${promise} = ${snippet}) &&
 				@handle_promise(${promise}, ${info})`;
diff --git a/src/compiler/compile/render_dom/wrappers/EachBlock.ts b/src/compiler/compile/render_dom/wrappers/EachBlock.ts
index 33968c762a..5c8d193f56 100644
--- a/src/compiler/compile/render_dom/wrappers/EachBlock.ts
+++ b/src/compiler/compile/render_dom/wrappers/EachBlock.ts
@@ -61,7 +61,7 @@ export default class EachBlockWrapper extends Wrapper {
 		view_length: string;
 	}
 
-	context_props: (Node | Node[])[];
+	context_props: Array<Node | Node[]>;
 	index_name: Identifier;
 
 	var: Identifier = { type: 'Identifier', name: 'each' };
diff --git a/src/compiler/compile/render_dom/wrappers/Element/Attribute.ts b/src/compiler/compile/render_dom/wrappers/Element/Attribute.ts
index 77f0a6d92d..876be588d6 100644
--- a/src/compiler/compile/render_dom/wrappers/Element/Attribute.ts
+++ b/src/compiler/compile/render_dom/wrappers/Element/Attribute.ts
@@ -84,7 +84,7 @@ export default class AttributeWrapper {
 			} else {
 				value = this.node.name === 'class'
 					? this.get_class_name_text()
-					: this.render_chunks().reduce((lhs, rhs) => x`${lhs} + ${rhs}`)
+					: this.render_chunks().reduce((lhs, rhs) => x`${lhs} + ${rhs}`);
 
 				// '{foo} {bar}' — treat as string concatenation
 				if (this.node.chunks[0].type !== 'Text') {
diff --git a/src/compiler/compile/render_dom/wrappers/Element/Binding.ts b/src/compiler/compile/render_dom/wrappers/Element/Binding.ts
index e9fc9a87ef..d0baf4aa4a 100644
--- a/src/compiler/compile/render_dom/wrappers/Element/Binding.ts
+++ b/src/compiler/compile/render_dom/wrappers/Element/Binding.ts
@@ -267,7 +267,7 @@ function get_event_handler(
 		}
 	}
 
-	let mutation = b`
+	const mutation = b`
 		${lhs} = ${value};
 		${set_store}
 	`;
diff --git a/src/compiler/compile/render_dom/wrappers/Element/StyleAttribute.ts b/src/compiler/compile/render_dom/wrappers/Element/StyleAttribute.ts
index b4198ed298..c60a89f66f 100644
--- a/src/compiler/compile/render_dom/wrappers/Element/StyleAttribute.ts
+++ b/src/compiler/compile/render_dom/wrappers/Element/StyleAttribute.ts
@@ -38,7 +38,7 @@ export default class StyleAttributeWrapper extends AttributeWrapper {
 							return chunk.manipulate(block);
 						}
 					})
-					.reduce((lhs, rhs) => x`${lhs} + ${rhs}`)
+					.reduce((lhs, rhs) => x`${lhs} + ${rhs}`);
 
 				// TODO is this necessary? style.setProperty always treats value as string, no?
 				// if (prop.value.length === 1 || prop.value[0].type !== 'Text') {
diff --git a/src/compiler/compile/render_dom/wrappers/Element/index.ts b/src/compiler/compile/render_dom/wrappers/Element/index.ts
index a33e88f95f..1744b5af12 100644
--- a/src/compiler/compile/render_dom/wrappers/Element/index.ts
+++ b/src/compiler/compile/render_dom/wrappers/Element/index.ts
@@ -310,7 +310,7 @@ export default class ElementWrapper extends Wrapper {
 					quasis: []
 				};
 
-				to_html((this.fragment.nodes as unknown as (ElementWrapper | TextWrapper)[]), block, literal, state);
+				to_html((this.fragment.nodes as unknown as Array<ElementWrapper | TextWrapper>), block, literal, state);
 				literal.quasis.push(state.quasi);
 
 				block.chunks.create.push(
@@ -832,7 +832,7 @@ export default class ElementWrapper extends Wrapper {
 	}
 }
 
-function to_html(wrappers: (ElementWrapper | TextWrapper)[], block: Block, literal: any, state: any) {
+function to_html(wrappers: Array<ElementWrapper | TextWrapper>, block: Block, literal: any, state: any) {
 	wrappers.forEach(wrapper => {
 		if (wrapper.node.type === 'Text') {
 			if ((wrapper as TextWrapper).use_space()) state.quasi.value.raw += ' ';
@@ -866,7 +866,7 @@ function to_html(wrappers: (ElementWrapper | TextWrapper)[], block: Block, liter
 						state.quasi.value.raw += chunk.data;
 					} else {
 						literal.quasis.push(state.quasi);
-						literal.expressions.push(chunk.manipulate(block))
+						literal.expressions.push(chunk.manipulate(block));
 
 						state.quasi = {
 							type: 'TemplateElement',
@@ -881,7 +881,7 @@ function to_html(wrappers: (ElementWrapper | TextWrapper)[], block: Block, liter
 			state.quasi.value.raw += '>';
 
 			if (!is_void(wrapper.node.name)) {
-				to_html((wrapper as ElementWrapper).fragment.nodes as (ElementWrapper | TextWrapper)[], block, literal, state);
+				to_html((wrapper as ElementWrapper).fragment.nodes as Array<ElementWrapper | TextWrapper>, block, literal, state);
 
 				state.quasi.value.raw += `</${wrapper.node.name}>`;
 			}
diff --git a/src/compiler/compile/render_dom/wrappers/IfBlock.ts b/src/compiler/compile/render_dom/wrappers/IfBlock.ts
index 261002df3b..c54994a36c 100644
--- a/src/compiler/compile/render_dom/wrappers/IfBlock.ts
+++ b/src/compiler/compile/render_dom/wrappers/IfBlock.ts
@@ -261,7 +261,7 @@ export default class IfBlockWrapper extends Wrapper {
 		const current_block_type = block.get_unique_name(`current_block_type`);
 		const get_block = has_else
 			? x`${current_block_type}(#ctx)`
-			: x`${current_block_type} && ${current_block_type}(#ctx)`
+			: x`${current_block_type} && ${current_block_type}(#ctx)`;
 
 		/* eslint-disable @typescript-eslint/indent,indent */
 		if (this.needs_update) {
diff --git a/src/compiler/compile/render_dom/wrappers/InlineComponent/index.ts b/src/compiler/compile/render_dom/wrappers/InlineComponent/index.ts
index 0de8066999..431affbcad 100644
--- a/src/compiler/compile/render_dom/wrappers/InlineComponent/index.ts
+++ b/src/compiler/compile/render_dom/wrappers/InlineComponent/index.ts
@@ -116,8 +116,8 @@ export default class InlineComponentWrapper extends Wrapper {
 
 		const component_opts = x`{}` as ObjectExpression;
 
-		const statements: (Node | Node[])[] = [];
-		const updates: (Node | Node[])[] = [];
+		const statements: Array<Node | Node[]> = [];
+		const updates: Array<Node | Node[]> = [];
 
 		let props;
 		const name_changes = block.get_unique_name(`${name.name}_changes`);
diff --git a/src/compiler/compile/render_dom/wrappers/shared/add_actions.ts b/src/compiler/compile/render_dom/wrappers/shared/add_actions.ts
index 331a71708e..538bfc7a95 100644
--- a/src/compiler/compile/render_dom/wrappers/shared/add_actions.ts
+++ b/src/compiler/compile/render_dom/wrappers/shared/add_actions.ts
@@ -1,8 +1,7 @@
-import { b } from 'code-red';
+import { b, x } from 'code-red';
 import Block from '../../Block';
 import Action from '../../../nodes/Action';
 import Component from '../../../Component';
-import { x } from 'code-red';
 
 export default function add_actions(
 	component: Component,
diff --git a/src/compiler/compile/render_ssr/Renderer.ts b/src/compiler/compile/render_ssr/Renderer.ts
index c8b2d14ff6..00a7ee2fb5 100644
--- a/src/compiler/compile/render_ssr/Renderer.ts
+++ b/src/compiler/compile/render_ssr/Renderer.ts
@@ -48,7 +48,7 @@ export default class Renderer {
 
 	name: Identifier;
 
-	stack: { current: { value: string }, literal: TemplateLiteral }[] = [];
+	stack: Array<{ current: { value: string }; literal: TemplateLiteral }> = [];
 	current: { value: string }; // TODO can it just be `current: string`?
 	literal: TemplateLiteral;
 
@@ -59,17 +59,6 @@ export default class Renderer {
 		this.push();
 	}
 
-	append() {
-		throw new Error('no more append');
-		// if (this.targets.length) {
-		// 	const target = this.targets[this.targets.length - 1];
-		// 	const slot_name = target.slot_stack[target.slot_stack.length - 1];
-		// 	target.slots[slot_name] += code;
-		// } else {
-		// 	this.code += code;
-		// }
-	}
-
 	add_string(str: string) {
 		this.current.value += escape_template(str);
 	}
@@ -94,7 +83,7 @@ export default class Renderer {
 			quasis: []
 		};
 
-		this.stack.push({ current, literal })
+		this.stack.push({ current, literal });
 	}
 
 	pop() {
diff --git a/src/compiler/compile/utils/get_slot_data.ts b/src/compiler/compile/utils/get_slot_data.ts
index 18df4e3118..c81dc83c92 100644
--- a/src/compiler/compile/utils/get_slot_data.ts
+++ b/src/compiler/compile/utils/get_slot_data.ts
@@ -11,7 +11,7 @@ export default function get_slot_data(values: Map<string, Attribute>, is_ssr: bo
 				const value = get_value(attribute);
 				return p`${attribute.name}: ${value}`;
 			})
-	}
+	};
 }
 
 // TODO fairly sure this is duplicated at least once
diff --git a/src/compiler/interfaces.ts b/src/compiler/interfaces.ts
index 5d3acda67b..1e0028e8aa 100644
--- a/src/compiler/interfaces.ts
+++ b/src/compiler/interfaces.ts
@@ -67,7 +67,7 @@ export interface Parser {
 }
 
 export interface Script extends BaseNode {
-	type: 'Script',
+	type: 'Script';
 	context: string;
 	content: Program;
 }
@@ -80,7 +80,7 @@ export interface Style extends BaseNode {
 		start: number;
 		end: number;
 		styles: string;
-	}
+	};
 }
 
 export interface Ast {
diff --git a/src/compiler/parse/read/script.ts b/src/compiler/parse/read/script.ts
index ed427d6551..efc9306677 100644
--- a/src/compiler/parse/read/script.ts
+++ b/src/compiler/parse/read/script.ts
@@ -29,7 +29,7 @@ function get_context(parser: Parser, attributes: any[], start: number): string {
 	return value;
 }
 
-export default function read_script(parser: Parser, start: number, attributes: Node[]) : Script {
+export default function read_script(parser: Parser, start: number, attributes: Node[]): Script {
 	const script_start = parser.index;
 	const script_end = parser.template.indexOf(script_closing_tag, script_start);
 
diff --git a/src/compiler/parse/state/tag.ts b/src/compiler/parse/state/tag.ts
index dca2301203..880c866ffe 100644
--- a/src/compiler/parse/state/tag.ts
+++ b/src/compiler/parse/state/tag.ts
@@ -37,8 +37,8 @@ const specials = new Map([
 	],
 ]);
 
-const SELF = /^svelte:self(?=[\s\/>])/;
-const COMPONENT = /^svelte:component(?=[\s\/>])/;
+const SELF = /^svelte:self(?=[\s/>])/;
+const COMPONENT = /^svelte:component(?=[\s/>])/;
 
 function parent_is_head(stack) {
 	let i = stack.length;