chore: replace some type casts and fix variable and filename typos (#93)

packages/compiler-core/src/transform.ts

@@ -39,7 +39,7 @@ export type DirectiveTransform = (
   needRuntime: boolean
 }
 
-// A structural directive transform is a techically a NodeTransform;
+// A structural directive transform is a technically a NodeTransform;
 // Only v-if and v-for fall into this category.
 export type StructuralDirectiveTransform = (
   node: ElementNode,
@@ -191,11 +191,11 @@ function createTransformContext(
     if (identifiers[id] === undefined) {
       identifiers[id] = 0
     }
-    ;(identifiers[id] as number)++
+    identifiers[id]!++
   }
 
   function removeId(id: string) {
-    ;(context.identifiers[id] as number)--
+    context.identifiers[id]!--
   }
 
   return context

packages/compiler-core/src/transforms/transformElement.ts

@@ -191,7 +191,7 @@ export function buildProps(
   let hasDynamicKeys = false
   const dynamicPropNames: string[] = []
 
-  const anaylizePatchFlag = ({ key, value }: Property) => {
+  const analyzePatchFlag = ({ key, value }: Property) => {
     if (key.type === NodeTypes.SIMPLE_EXPRESSION && key.isStatic) {
       if (value.type !== NodeTypes.SIMPLE_EXPRESSION || !value.isStatic) {
         const name = key.content
@@ -288,10 +288,10 @@ export function buildProps(
         const { props, needRuntime } = directiveTransform(prop, context)
         if (isArray(props)) {
           properties.push(...props)
-          properties.forEach(anaylizePatchFlag)
+          properties.forEach(analyzePatchFlag)
         } else {
           properties.push(props)
-          anaylizePatchFlag(props)
+          analyzePatchFlag(props)
         }
         if (needRuntime) {
           runtimeDirectives.push(prop)

packages/compiler-core/src/transforms/vIf.ts

@@ -76,7 +76,7 @@ export const transformIf = createStructuralDirectiveTransform(
       // locate the adjacent v-if
       const siblings = context.parent!.children
       const comments = []
-      let i = siblings.indexOf(node as any)
+      let i = siblings.indexOf(node)
       while (i-- >= -1) {
         const sibling = siblings[i]
         if (__DEV__ && sibling && sibling.type === NodeTypes.COMMENT) {