remove unused refs stuff

src/compile/Component.ts

@@ -80,7 +80,6 @@ export default class Component {
 
 	indirectDependencies: Map<string, Set<string>> = new Map();
 	template_references: Set<string> = new Set();
-	refs: Set<string> = new Set();
 
 	file: string;
 	locate: (c: number) => { line: number, column: number };

src/compile/render-dom/index.ts

@@ -55,8 +55,6 @@ export default function dom(
 		builder.addBlock(block.toString());
 	});
 
-	const refs = Array.from(component.refs);
-
 	if (options.dev && !options.hydratable) {
 		block.builders.claim.addLine(
 			'throw new Error("options.hydrate only works if the component was compiled with the `hydratable: true` option");'
@@ -87,14 +85,6 @@ export default function dom(
 		`
 		: null;
 
-	const inject_refs = refs.length > 0
-		? deindent`
-			$$refs => {
-				${refs.map(name => `${name} = $$refs.${name};`)}
-			}
-		`
-		: null;
-
 	const body = [];
 
 	const not_equal = component.options.immutable ? `@not_equal` : `@safe_not_equal`;
@@ -307,8 +297,6 @@ export default function dom(
 					if (${Array.from(d.dependencies).map(n => `$$dirty.${n}`).join(' || ')}) ${d.snippet}`)}
 				};
 				`}
-
-				${inject_refs && `$$self.$$.inject_refs = ${inject_refs};`}
 			}
 		`);
 	}

src/internal/Component.js

@@ -10,12 +10,10 @@ export function bind(component, name, callback) {
 }
 
 export function mount_component(component, target, anchor) {
-	const { fragment, refs, inject_refs, on_mount, on_destroy, after_render } = component.$$;
+	const { fragment, on_mount, on_destroy, after_render } = component.$$;
 
 	fragment[fragment.i ? 'i' : 'm'](target, anchor);
 
-	inject_refs(refs);
-
 	// onMount happens after the initial afterUpdate. Because
 	// afterUpdate callbacks happen in reverse order (inner first)
 	// we schedule onMount callbacks before afterUpdate callbacks
@@ -69,7 +67,6 @@ export function init(component, options, define, create_fragment, not_equal) {
 		get: empty,
 		set: noop,
 		update: noop,
-		inject_refs: noop,
 		not_equal,
 		bound: blankObject(),
 
@@ -82,7 +79,6 @@ export function init(component, options, define, create_fragment, not_equal) {
 		// everything else
 		callbacks: blankObject(),
 		slotted: options.slots || {},
-		refs: {},
 		dirty: null,
 		binding_groups: []
 	};

src/internal/await-block.js

@@ -32,7 +32,6 @@ export function handlePromise(promise, info) {
 			block[block.i ? 'i' : 'm'](info.mount(), info.anchor);
 
 			// TODO is some of this redundant?
-			info.component.$$.inject_refs(info.component.$$.refs);
 			run_all(info.component.$$.after_render);
 			flush();
 		}

src/internal/scheduler.js

@@ -58,7 +58,6 @@ function update($$) {
 		$$.update($$.dirty);
 		run_all($$.before_render);
 		$$.fragment.p($$.dirty, $$.get());
-		$$.inject_refs($$.refs);
 		$$.dirty = null;
 
 		$$.after_render.forEach(add_render_callback);