Test: snapshot parse errors

src/language-js/parser-espree.js

@@ -35,17 +35,16 @@ function parse(originalText, parsers, options) {
   } catch (moduleError) {
     try {
       ast = parse(text, { ...espreeOptions, sourceType: "script" });
-    } catch (scriptError) {
+    } catch (_) {
       // throw the error for `module` parsing
+      const { message, lineNumber, column } = moduleError;
 
       /* istanbul ignore next */
-      if (typeof moduleError.lineNumber !== "number") {
+      if (typeof lineNumber !== "number") {
         throw moduleError;
       }
 
-      throw createError(moduleError.message, {
-        start: { line: moduleError.lineNumber, column: moduleError.column },
-      });
+      throw createError(message, { start: { line: lineNumber, column } });
     }
   }
 

src/language-js/parser-meriyah.js

@@ -67,13 +67,14 @@ function parse(text, parsers, options) {
       ast = parseWithOptions(text, /* module */ false);
     } catch (_) {
       // throw the error for `module` parsing
-      if (typeof moduleError.loc !== "number") {
+      const { message, line, column } = moduleError;
+
+      /* istanbul ignore next */
+      if (typeof line !== "number") {
         throw moduleError;
       }
 
-      throw createError(moduleError.message, {
-        start: moduleError.loc,
-      });
+      throw createError(message, { start: { line, column } });
     }
   }
 

tests/flow/this-annotation/__snapshots__/jsfmt.spec.js.snap

@@ -54,6 +54,17 @@ function baz(this: number, ...a) {}
 ================================================================================
 `;
 
+exports[`function_type.js - {"trailingComma":"all"} [babel-flow] format 1`] = `
+"Unexpected token, expected \\")\\" (3:16)
+  1 | // @flow
+  2 | 
+> 3 | type T = (this : number, a : string, b : number) => void
+    |                ^
+  4 | 
+  5 | type U = (this : number, ...c : any) => void
+  6 | "
+`;
+
 exports[`function_type.js - {"trailingComma":"all"} format 1`] = `
 ====================================options=====================================
 parsers: ["flow", "babel-flow"]
@@ -81,6 +92,17 @@ type V = (this: number) => void;
 ================================================================================
 `;
 
+exports[`line_break.js - {"trailingComma":"all"} [babel-flow] format 1`] = `
+"Unexpected token, expected \\")\\" (3:15)
+  1 | // @flow
+  2 | 
+> 3 | type T = (this: boolean,
+    |               ^
+  4 |           a: number,
+  5 | 
+  6 |           b: number,"
+`;
+
 exports[`line_break.js - {"trailingComma":"all"} format 1`] = `
 ====================================options=====================================
 parsers: ["flow", "babel-flow"]
@@ -173,6 +195,17 @@ class A {
 ================================================================================
 `;
 
+exports[`union_type.js - {"trailingComma":"all"} [babel-flow] format 1`] = `
+"Unexpected token, expected \\")\\" (4:7)
+  2 | 
+  3 | type A = (
+> 4 |   this: | SupperLongLongLongLongLongLongLongLongLongLongLongType | FooBarBazLorem12345,
+    |       ^
+  5 |   b: number,
+  6 | ) => boolean;
+  7 | "
+`;
+
 exports[`union_type.js - {"trailingComma":"all"} format 1`] = `
 ====================================options=====================================
 parsers: ["flow", "babel-flow"]

tests/js/arrow-call/__snapshots__/jsfmt.spec.js.snap

@@ -302,6 +302,26 @@ promise.then((result) =>
 ================================================================================
 `;
 
+exports[`class-property.js [espree] format 1`] = `
+"Unexpected token = (3:22)
+  1 | const composition = (ViewComponent, ContainerComponent) =>
+  2 |   class extends React.Component {
+> 3 |     static propTypes = {};
+    |                      ^
+  4 |   };
+  5 | "
+`;
+
+exports[`class-property.js - {"arrowParens":"always"} [espree] format 1`] = `
+"Unexpected token = (3:22)
+  1 | const composition = (ViewComponent, ContainerComponent) =>
+  2 |   class extends React.Component {
+> 3 |     static propTypes = {};
+    |                      ^
+  4 |   };
+  5 | "
+`;
+
 exports[`class-property.js - {"arrowParens":"always"} format 1`] = `
 ====================================options=====================================
 arrowParens: "always"
@@ -323,6 +343,16 @@ const composition = (ViewComponent, ContainerComponent) =>
 ================================================================================
 `;
 
+exports[`class-property.js - {"trailingComma":"all"} [espree] format 1`] = `
+"Unexpected token = (3:22)
+  1 | const composition = (ViewComponent, ContainerComponent) =>
+  2 |   class extends React.Component {
+> 3 |     static propTypes = {};
+    |                      ^
+  4 |   };
+  5 | "
+`;
+
 exports[`class-property.js - {"trailingComma":"all"} format 1`] = `
 ====================================options=====================================
 parsers: ["babel", "flow", "typescript"]

tests/js/arrows-bind/__snapshots__/jsfmt.spec.js.snap

@@ -1,5 +1,23 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
+exports[`arrows-bind.js [espree] format 1`] = `
+"Unexpected token : (1:9)
+> 1 | a => ({}::b()\`\`[''].c++ && 0 ? 0 : 0);
+    |         ^
+  2 | (a => b)::c;
+  3 | a::(b => c);
+  4 | "
+`;
+
+exports[`arrows-bind.js [meriyah] format 1`] = `
+"[1:9]: Expected ')' (1:9)
+> 1 | a => ({}::b()\`\`[''].c++ && 0 ? 0 : 0);
+    |         ^
+  2 | (a => b)::c;
+  3 | a::(b => c);
+  4 | "
+`;
+
 exports[`arrows-bind.js format 1`] = `
 ====================================options=====================================
 parsers: ["babel"]

tests/js/arrows/newline-before-arrow/__snapshots__/jsfmt.spec.js.snap

@@ -1,5 +1,21 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
+exports[`newline-before-arrow.js [espree] format 1`] = `
+"Unexpected token => (2:1)
+  1 | async x
+> 2 | => x
+    | ^
+  3 | "
+`;
+
+exports[`newline-before-arrow.js [meriyah] format 1`] = `
+"[2:2]: No line break is allowed after '=>' (2:2)
+  1 | async x
+> 2 | => x
+    |  ^
+  3 | "
+`;
+
 exports[`newline-before-arrow.js format 1`] = `
 ====================================options=====================================
 parsers: ["babel"]