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Add seed param to rand() template fn

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This commit is contained in:
Miikka Virtanen 2019-07-04 13:13:10 +03:00
parent b230a73a6f
commit e0f85ec0ee
3 changed files with 11 additions and 2 deletions
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7
src/templateFormatter.ts
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@ -1,4 +1,5 @@
import { has, get } from "./utils";
import seedrandom from "seedrandom";
const TEMPLATE_CACHE_SIZE = 200;
const templateCache: Map<string, ParsedTemplate> = new Map();
@ -299,7 +300,7 @@ const baseValues = {
if (end != null && isNaN(end)) return "";
return arg1.slice(parseInt(start, 10), end && parseInt(end, 10));
},
rand(from, to) {
rand(from, to, seed = null) {
if (isNaN(from)) return 0;
if (to == null) {
@ -313,7 +314,9 @@ const baseValues = {
[from, to] = [to, from];
}
return Math.round(Math.random() * (to - from) + from);
let randValue = seed != null ? new seedrandom(seed)() : Math.random();
return Math.round(randValue * (to - from) + from);
},
add(...args) {
return args.reduce((result, arg) => {