Turf v7 in BigQuery: TypeError: base intrinsic for Date.prototype.getTime exists, but the property is not available

[svbatalov]

Hello. Thanks for this great library!

I've encountered the following error message when tried to use a browserified version of Turf@7.0.0 in BigQuery:

TypeError: base intrinsic for Date.prototype.getTime exists, but the property is not available ...

The way I bundled the library

browserify -r @turf/turf -s turf > turf7.js

Then used it in a BQ UDF as follows:

CREATE TEMP FUNCTION tst()
RETURNS STRING
LANGUAGE js
OPTIONS (
    library=["gs://.../turf7.js"]
) AS """
""";

SELECT tst()

As a workaround, I created the entry point JS file and added this line

Date.prototype.getTime = () => {};

before requiring the library.

It looks like this issue is caused by the deep-equal library that references getTime here.

Not sure if there are any action items for this issue -- after all, it probably should be filed against deep-equal, so feel free to close it. Just wanted to log it here for anyone encountering similar issues.

Cheers,
Sergey

[smallsaucepan]

Hi @svbatalov. Yeah, deep-equal has been causing us a few problems of late, and we're in the process of removing it as a dependency.

Keep an eye on #2623 and #2631. Once they're both merged and shipped, see if that solves your issue. If the problem persists add a comment here.