refactor(compiler): use symbols for runtime helpers

2019-10-05 17:18:25 -04:00
parent 7c4eea6048
commit bfecf2cdce
26 changed files with 420 additions and 231 deletions
--- a/packages/shared/src/index.ts
+++ b/packages/shared/src/index.ts
@@ -30,6 +30,7 @@ export const isArray = Array.isArray
 export const isFunction = (val: any): val is Function =>
  typeof val === 'function'
 export const isString = (val: any): val is string => typeof val === 'string'
+export const isSymbol = (val: any): val is symbol => typeof val === 'symbol'
 export const isObject = (val: any): val is Record<any, any> =>
  val !== null && typeof val === 'object'