fix: align ISODate with shell COMPASS-4655

src/scope.ts

@@ -103,11 +103,24 @@ const SCOPE_ANY: { [x: string]: Function } = lookupMap({
 
     return new bson.Timestamp(low);
   },
-  ISODate: function(...args: any[]) {
-    // casting our arguments as an empty array because we don't know
-    // the length of our arguments, and should allow users to pass what
-    // they want as date arguments
-    return new Date(...(args as []));
+  ISODate: function(input?: string): Date {
+    if (!input) input = new Date().toISOString();
+    const isoDateRegex =
+      /^(?<Y>\d{4})-?(?<M>\d{2})-?(?<D>\d{2})([T ](?<h>\d{2})(:?(?<m>\d{2})(:?((?<s>\d{2})(\.(?<ms>\d+))?))?)?(?<tz>Z|([+-])(\d{2}):?(\d{2})?)?)?$/;
+    const match = input.match(isoDateRegex);
+    if (match !== null && match.groups !== undefined) {
+      // Normalize the representation because ISO-8601 accepts e.g.
+      // '20201002T102950Z' without : and -, but `new Date()` does not.
+      const { Y, M, D, h, m, s, ms, tz } = match.groups;
+      const normalized =
+        `${Y}-${M}-${D}T${h || '00'}:${m || '00'}:${s || '00'}.${ms || '000'}${tz || 'Z'}`;
+      const date = new Date(normalized);
+      // Make sur we're in the range 0000-01-01T00:00:00.000Z - 9999-12-31T23:59:59.999Z
+      if (date.getTime() >= -62167219200000 && date.getTime() <= 253402300799999) {
+        return date;
+      }
+    }
+    throw new Error(`${JSON.stringify(input)} is not a valid ISODate`);
   },
 });
 

test/index.spec.ts

@@ -85,7 +85,7 @@ it('should accept a complex query', function() {
     Timestamp: new bson.Timestamp({ t: 100, i: 0 }),
     Timestamp_object: new bson.Timestamp({ t: 1, i: 2 }),
     Timestamp_long: new bson.Timestamp(bson.Long.fromNumber(8589934593)),
-    ISODate: new Date('2020-01-01 12:00:00'),
+    ISODate: new Date('2020-01-01T12:00:00.000Z'),
     Date: new Date('2020-01-01 12:00:00'),
   });
 });

tsconfig.json

@@ -2,8 +2,8 @@
   "compilerOptions": {
     /* Basic Options */
     // "incremental": true,                   /* Enable incremental compilation */
-    "target": "es5",                          /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019' or 'ESNEXT'. */
-    "module": "es2015",                     /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */
+    "target": "ES2018",                          /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019' or 'ESNEXT'. */
+    "module": "es2015",                       /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */
     // "lib": [],                             /* Specify library files to be included in the compilation. */
     // "allowJs": true,                       /* Allow javascript files to be compiled. */
     // "checkJs": true,                       /* Report errors in .js files. */