release: WRNexusJS 0.6.0

packages/syntax/src/tokenizer.ts

@@ -19,6 +19,7 @@ export type TokenType =
   | "eq"
   | "colon"
   | "comma"
+  | "question"
   | "eof";
 
 export interface Token {
@@ -87,6 +88,9 @@ export class Lexer {
       case ",":
         this.pos++;
         return { type: "comma", value: c, pos };
+      case "?":
+        this.pos++;
+        return { type: "question", value: c, pos };
       case '"':
       case "'":
         return this.readString(c, pos);
@@ -243,6 +247,7 @@ export class Lexer {
         this.pos++;
         continue;
       }
+      if (c === "}" && angle === 0 && square === 0 && brace === 0 && paren === 0) break;
       if (c === "<") angle++;
       else if (c === ">" && angle > 0) angle--;
       else if (c === "[") square++;
@@ -253,6 +258,11 @@ export class Lexer {
       else if (c === ")" && paren > 0) paren--;
 
       if (angle === 0 && square === 0 && brace === 0 && paren === 0) {
+        if (c === " " || c === "\t") {
+          let look = this.pos;
+          while (look < src.length && (src[look] === " " || src[look] === "\t")) look++;
+          if (/^[A-Za-z_][A-Za-z0-9_]*\??\s*:/.test(src.slice(look))) break;
+        }
         if (c === "=") {
           this.pos++;
           const type = value.trim();