fix printing bigint literals parsed by Flow (prettier#6883)

thorn0 · lydell · commit 361fd2dbfaec · 2019-11-08T23:06:54.000+01:00
diff --git a/src/language-js/printer-estree.js b/src/language-js/printer-estree.js
@@ -1625,8 +1625,8 @@ function printPathNoParens(path, options, print, args) {
     case "NumericLiteral": // Babel 6 Literal split
       return printNumber(n.extra.raw);
     case "BigIntLiteral":
-      // babel: n.extra.raw, typescript: n.raw
-      return (n.extra ? n.extra.raw : n.raw).toLowerCase();
+      // babel: n.extra.raw, typescript: n.raw, flow: n.bigint
+      return (n.bigint || (n.extra ? n.extra.raw : n.raw)).toLowerCase();
     case "BooleanLiteral": // Babel 6 Literal split
     case "StringLiteral": // Babel 6 Literal split
     case "Literal": {
diff --git a/tests/big-int/__snapshots__/jsfmt.spec.js.snap b/tests/big-int/__snapshots__/jsfmt.spec.js.snap
@@ -2,7 +2,7 @@
 
 exports[`literal.js 1`] = `
 ====================================options=====================================
-parsers: ["babel", "typescript"]
+parsers: ["babel", "typescript", "flow"]
 printWidth: 80
                                                                                 | printWidth
 =====================================input======================================
diff --git a/tests/big-int/jsfmt.spec.js b/tests/big-int/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["babel", "typescript"]);
+run_spec(__dirname, ["babel", "typescript", "flow"]);

Original file line number	Diff line number	Diff line change
`@@ -1 +1 @@`
`1`		`-run_spec(__dirname, ["babel", "typescript"]);`
	`1`	`+run_spec(__dirname, ["babel", "typescript", "flow"]);`