fix: typescript linting bump one minor version

Author: nbbeeken

.evergreen/run-checks.sh

@@ -20,12 +20,16 @@ npm run check:lint
 
 npm run check:unit
 
-echo "Typescript $(npx tsc -v)"
+export TSC="./node_modules/typescript/bin/tsc"
+
+echo "Typescript $($TSC -v)"
 # check resolution uses the default latest types
-echo "import * as mdb from '.'" > file.ts && npx tsc --noEmit --traceResolution file.ts | grep 'mongodb.d.ts' && rm file.ts
+echo "import * as mdb from '.'" > file.ts && $TSC --noEmit --traceResolution file.ts | grep 'mongodb.d.ts' && rm file.ts
 
-npm i --no-save typescript@4.0.2 # there is no 4.0.0
-echo "Typescript $(npx tsc -v)"
-npx tsc --noEmit mongodb.ts34.d.ts
+npm i --no-save typescript@4.1.6
+echo "Typescript $($TSC -v)"
+$TSC --noEmit mongodb.ts34.d.ts
 # check that resolution uses the downleveled types
-echo "import * as mdb from '.'" > file.ts && npx tsc --noEmit --traceResolution file.ts | grep 'mongodb.ts34.d.ts' && rm file.ts
+echo "import * as mdb from '.'" > file.ts && $TSC --noEmit --traceResolution file.ts | grep 'mongodb.ts34.d.ts' && rm file.ts
+
+rm -f file.ts

README.md

@@ -46,7 +46,7 @@ For version compatibility matrices, please refer to the following links:
 
 #### Typescript Version
 
-We recommend using the latest version of typescript, however we do provide a [downleveled](https://github.com/sandersn/downlevel-dts#readme) version of the type definitions that we test compiling against `typescript@4.0.2`.
+We recommend using the latest version of typescript, however we do provide a [downleveled](https://github.com/sandersn/downlevel-dts#readme) version of the type definitions that we test compiling against `typescript@4.1.6`.
 Since typescript [does not restrict breaking changes to major versions](https://github.com/Microsoft/TypeScript/wiki/Breaking-Changes) we consider this support best effort.
 If you run into any unexpected compiler failures please let us know and we will do our best to correct it.