Throw descriptive error when 'subscribable' of undefined

thgh · thgh · commit e619de7e089e · 2019-03-15T13:19:13.000+01:00
Fix #2139
diff --git a/src/compile/nodes/shared/Expression.ts b/src/compile/nodes/shared/Expression.ts
@@ -149,6 +149,13 @@ export default class Expression {
 							dependencies.add(name);
 						}
 
+						if (name[0] === '$' && !component.var_lookup.get(name.slice(1)) && name !== '$$props') {
+							component.error(node, {
+								code: `missing-store`,
+								message: `Stores must be declared`
+							});
+						}
+
 						component.add_reference(name);
 						component.warn_if_undefined(nodes[0], template_scope, true);
 					}

Original file line number	Diff line number	Diff line change
`@@ -149,6 +149,13 @@ export default class Expression {`
`149`	`149`	`dependencies.add(name);`
`150`	`150`	`}`
`151`	`151`
	`152`	`+ if (name[0] === '$' && !component.var_lookup.get(name.slice(1)) && name !== '$$props') {`
	`153`	`+ component.error(node, {`
	`154`	+ code: `missing-store`,
	`155`	+ message: `Stores must be declared`
	`156`	`+ });`
	`157`	`+ }`
	`158`	`+`
`152`	`159`	`component.add_reference(name);`
`153`	`160`	`component.warn_if_undefined(nodes[0], template_scope, true);`
`154`	`161`	`}`