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eleventyConfig.addDateParsing callbacks can return invalid DateTimes #4407
Description
Operating system
Debian 12
Eleventy
3.1.7, 4.0.0-alpha.10
Describe the bug
- Use this example config from the docs
- Set
datein some file's front matter to an invalid string:
---
date: goo goo ga ga
---
{{ page.date }}- Run Eleventy. Without the date parsing function, it throws an error:
$ npx @11ty/eleventy
[11ty] Problem writing Eleventy templates:
[11ty] Data cascade value for `date` (goo goo ga ga) is invalid for ./foo.md...but with the function, it "works":
$ npx @11ty/eleventy
[11ty] Writing ./_site/foo/index.html from ./foo.md (liquid)
[11ty] Wrote 1 file in 0.08 seconds (v3.1.7)<p>Invalid Date</p>Making the return in here conditional seems to fix it (or at least returns to throwing an error):
if (dateValue.isValid) return dateValue.toJSDate();$ npx @11ty/eleventy
[11ty] Problem writing Eleventy templates:
[11ty] Data cascade value for `date` (Invalid DateTime) is invalid for ./foo.md. Expected a JavaScript Date instance, luxon DateTime instance, or String value.Reproduction Source Code URL
No response
Screenshots
No response
Reacted by RadicalBlur and Cristovao Verstraeten
Activity