diff options
| -rw-r--r-- | CHANGELOG.md | 1 | ||||
| -rw-r--r-- | src/gleam_stdlib.mjs | 2 | ||||
| -rw-r--r-- | test/gleam/float_test.gleam | 12 |
3 files changed, 14 insertions, 1 deletions
diff --git a/CHANGELOG.md b/CHANGELOG.md index 8847122..babdaf3 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -21,6 +21,7 @@ - Improved bit array Base64 encoding and decoding speed on JavaScript. - Fixed a bug where Base64 encoding a bit array larger than ~100KiB would throw an exception on JavaScript. +- Fixed `float.parse` failing to parse exponential notation on JavaScript. ## v0.38.0 - 2024-05-24 diff --git a/src/gleam_stdlib.mjs b/src/gleam_stdlib.mjs index d067cec..83fcec9 100644 --- a/src/gleam_stdlib.mjs +++ b/src/gleam_stdlib.mjs @@ -34,7 +34,7 @@ export function parse_int(value) { } export function parse_float(value) { - if (/^[-+]?(\d+)\.(\d+)$/.test(value)) { + if (/^[-+]?(\d+)\.(\d+)([eE][-+]?\d+)?$/.test(value)) { return new Ok(parseFloat(value)); } else { return new Error(Nil); diff --git a/test/gleam/float_test.gleam b/test/gleam/float_test.gleam index a91c2c4..6731c23 100644 --- a/test/gleam/float_test.gleam +++ b/test/gleam/float_test.gleam @@ -26,6 +26,18 @@ pub fn parse_test() { |> float.parse |> should.equal(Ok(0.123456789)) + "1.234e10" + |> float.parse + |> should.equal(Ok(1.234e10)) + + "-1.234e+10" + |> float.parse + |> should.equal(Ok(-1.234e10)) + + "1.234e-10" + |> float.parse + |> should.equal(Ok(1.234e-10)) + "" |> float.parse |> should.equal(Error(Nil)) |