Updated the weighting logic + doing some preparation for #6

Headings now have more weight. Also set TS strict mode

src/globals.ts

@@ -1,3 +1,5 @@
+import { match } from 'assert'
+
 // Matches a wikiling that begins a string
 export const regexWikilink = /^!?\[\[(?<name>.+?)(\|(?<alias>.+?))?\]\]/
 export const regexLineSplit = /\r?\n|\r|((\.|\?|!)( |\r?\n|\r))/g
@@ -13,12 +15,23 @@ export type IndexedNote = {
   path: string
   basename: string
   content: string
+  headings1: string
+  headings2: string
+  headings3: string
+}
+
+export type SearchMatch = {
+  match: string
+  index: number
+}
+export const isSearchMatch = (o: { index?: number }): o is SearchMatch => {
+  return o.index !== undefined
 }
 
 export type ResultNote = {
   path: string
   basename: string
   content: string
-  keyword: string
+  matches: SearchMatch[]
   occurence: number
 }