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authorEuAndreh <eu@euandre.org>2024-03-06 12:11:33 -0300
committerEuAndreh <eu@euandre.org>2024-03-06 12:11:33 -0300
commitf709f23aa9ab0010deee9e27d0ee7ae417f6451b (patch)
tree206fbd92a130c80c58598b35a068b263206fc1a8 /src/utils.mjs
parentsrc/hero.mjs: Add rmIf() and mkfifo() (diff)
downloadpapod-f709f23aa9ab0010deee9e27d0ee7ae417f6451b.tar.gz
papod-f709f23aa9ab0010deee9e27d0ee7ae417f6451b.tar.xz
src/utils.mjs: Add first(), rest(), butlast() and last()
Diffstat (limited to 'src/utils.mjs')
-rw-r--r--src/utils.mjs5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/utils.mjs b/src/utils.mjs
index 7d27c0d..1080219 100644
--- a/src/utils.mjs
+++ b/src/utils.mjs
@@ -47,3 +47,8 @@ export const partial = (fn, ...startArgs) =>
export const strSortFn = (a, b) => a.localeCompare(b, "POSIX");
export const undefinedAsNull = x => x === undefined ? null : x;
+
+export const first = a => a[0];
+export const rest = a => a.slice(1);
+export const butlast = a => a.slice(a, a.length - 1);
+export const last = a => a[a.length - 1];