chore: upgrade packages, cleanup type errors

Took the opportunity to update TS to latest version, cleanup all type errors.

Author: 3cp

package.json

@@ -47,7 +47,7 @@
     "rollup-plugin-image": "^1.0.2",
     "rollup-plugin-node-resolve": "^3.3.0",
     "ts-jest": "^22.4.2",
-    "typescript": "^2.7.2",
+    "typescript": "^3.2.4",
     "typescript-eslint-parser": "^15.0.0",
     "vue": "^2.5.16",
     "vue-template-compiler": "^2.5.16"
@@ -57,7 +57,7 @@
     "vue-template-compiler": "*"
   },
   "dependencies": {
-    "@vue/component-compiler-utils": "^2.1.0",
+    "@vue/component-compiler-utils": "^2.5.0",
     "clean-css": "^4.1.11",
     "hash-sum": "^1.0.2",
     "postcss-modules-sync": "^1.0.0",

src/compiler.ts

@@ -99,20 +99,23 @@ export class SFCCompiler {
         ? hash(path.basename(filename) + source)
         : hash(filename + source))
 
-    const template =
-      descriptor.template && this.compileTemplate(filename, descriptor.template)
+    const template = descriptor.template
+      ? this.compileTemplate(filename, descriptor.template)
+      : undefined
 
     const styles = descriptor.styles.map(style =>
       this.compileStyle(filename, scopeId, style)
     )
 
     const { script: rawScript, customBlocks } = descriptor
-    const script = rawScript && {
-      code: rawScript.src
-        ? this.read(rawScript.src, filename)
-        : rawScript.content,
-      map: rawScript.map
-    }
+    const script = rawScript
+      ? {
+          code: rawScript.src
+            ? this.read(rawScript.src, filename)
+            : rawScript.content,
+          map: rawScript.map
+        }
+      : undefined
 
     return {
       scopeId,
@@ -140,8 +143,9 @@ export class SFCCompiler {
         ? hash(path.basename(filename) + source)
         : hash(filename + source))
 
-    const template =
-      descriptor.template && this.compileTemplate(filename, descriptor.template)
+    const template = descriptor.template
+      ? this.compileTemplate(filename, descriptor.template)
+      : undefined
 
     const styles = await Promise.all(
       descriptor.styles.map(style =>
@@ -150,12 +154,14 @@ export class SFCCompiler {
     )
 
     const { script: rawScript, customBlocks } = descriptor
-    const script = rawScript && {
-      code: rawScript.src
-        ? this.read(rawScript.src, filename)
-        : rawScript.content,
-      map: rawScript.map
-    }
+    const script = rawScript
+      ? {
+          code: rawScript.src
+            ? this.read(rawScript.src, filename)
+            : rawScript.content,
+          map: rawScript.map
+        }
+      : undefined
 
     return {
       scopeId,
@@ -260,7 +266,7 @@ export class SFCCompiler {
       },
 
       prepare: result => ({
-        media: style.attrs.media,
+        media: typeof style.attrs.media === 'string' ? style.attrs.media : undefined,
         scoped: style.scoped,
         moduleName: style.module === true ? '$style' : <any>style.module,
         module: tokens,