Trim leading whitespace

[kj]

I was trying to write a command over multiple lines. My first instinct was to use \ at the end of each line as in sh, but it doesn't seem like that's necessary so I guess it just collapses the extra whitespace/newlines. I noticed that I can write a command over multiple lines as long as there is no newline before the command in the template string. If there is, it throws an error.

$ cat a.ts
import { $ } from 'jsr:@david/dax';

await $`echo
  one
  two
`;

$ cat b.ts
import { $ } from 'jsr:@david/dax';

await $`
  echo
    one
    two
`;

$ deno run -A a.ts
one two

$ deno run -A b.ts
error: Uncaught (in promise) "Unexpected character.\n  \n  echo\n    one\n    two\n\n  ~"

It seems like allowing for the latter style (b.ts) should be as simple as trimming any whitespace from the start of the string? For now I'm just using the former method, but I'd like to be able to use the latter as I find it a little more readable.