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silverbullet/common/syscalls/handlebar_helpers.ts

42 lines
1.3 KiB
TypeScript

import { niceDate, niceTime } from "$sb/lib/dates.ts";
export function handlebarHelpers() {
return {
json: (v: any) => JSON.stringify(v),
niceDate: (ts: any) => niceDate(new Date(ts)),
escapeRegexp: (ts: any) => {
return ts.replace(/[-\/\\^$*+?.()|[\]{}]/g, "\\$&");
},
replaceRegexp: (s: string, regexp: string, replacement: string) => {
return s.replace(new RegExp(regexp, "g"), replacement);
},
prefixLines: (v: string, prefix: string) =>
v.split("\n").map((l) => prefix + l).join("\n"),
substring: (s: string, from: number, to: number, elipsis = "") =>
s.length > to - from ? s.substring(from, to) + elipsis : s,
time: () => niceTime(new Date()),
today: () => niceDate(new Date()),
tomorrow: () => {
const tomorrow = new Date();
tomorrow.setDate(tomorrow.getDate() + 1);
return niceDate(tomorrow);
},
yesterday: () => {
const yesterday = new Date();
yesterday.setDate(yesterday.getDate() - 1);
return niceDate(yesterday);
},
lastWeek: () => {
const lastWeek = new Date();
lastWeek.setDate(lastWeek.getDate() - 7);
return niceDate(lastWeek);
},
nextWeek: () => {
const nextWeek = new Date();
nextWeek.setDate(nextWeek.getDate() + 7);
return niceDate(nextWeek);
},
};
}