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Fix invalid codegen for non decimal numeric literals in MemberExpression

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Fixes T7156
This commit is contained in:
Henry Zhu 2016-02-28 20:31:37 -05:00
parent 6aff776124
commit 35ed18f628
3 changed files with 16 additions and 1 deletions
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7
packages/babel-generator/src/generators/expressions.js
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@ -8,6 +8,7 @@ import * as n from "../node";
const SCIENTIFIC_NOTATION = /e/i; const SCIENTIFIC_NOTATION = /e/i;
const ZERO_DECIMAL_INTEGER = /\.0+$/; const ZERO_DECIMAL_INTEGER = /\.0+$/;
const NON_DECIMAL_LITERAL = /^0[box]/;
export function UnaryExpression(node: Object) { export function UnaryExpression(node: Object) {
let needsSpace = /[a-z]$/.test(node.operator); let needsSpace = /[a-z]$/.test(node.operator);
@ -225,7 +226,11 @@ export function MemberExpression(node: Object) {
} else { } else {
if (t.isNumericLiteral(node.object)) { if (t.isNumericLiteral(node.object)) {
let val = this.getPossibleRaw(node.object) || node.object.value; let val = this.getPossibleRaw(node.object) || node.object.value;
if (isInteger(+val) && !SCIENTIFIC_NOTATION.test(val) && !ZERO_DECIMAL_INTEGER.test(val) && !this.endsWith(".")) { if (isInteger(+val) &&
!NON_DECIMAL_LITERAL.test(val) &&
!SCIENTIFIC_NOTATION.test(val) &&
!ZERO_DECIMAL_INTEGER.test(val) &&
!this.endsWith(".")) {
this.push("."); this.push(".");
} }
} }

5
packages/babel-generator/test/fixtures/edgecase/member-expression-numeric-literals/actual.js vendored Normal file
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@ -0,0 +1,5 @@
1..toString;
2..toString();
0x1F7.toString();
0b111110111.toString();
0o767.toString();

5
packages/babel-generator/test/fixtures/edgecase/member-expression-numeric-literals/expected.js vendored Normal file
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@ -0,0 +1,5 @@
1..toString;
2..toString();
0x1F7.toString();
0b111110111.toString();
0o767.toString();