iframe-proxy | Sunbelt Computer Software

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import {isOptions} from "../mark.js";

import {composeTransform} from "./compose.js";

import {filterTransform} from "./filter.js";

import {reverseTransform} from "./reverse.js";

import {sortTransform} from "./sort.js";

// If both t1 and t2 are defined, returns a composite transform that first

// applies t1 and then applies t2.

export function basic({

filter: f1,

sort: s1,

reverse: r1,

transform: t1,

...options

} = {}, t2) {

if (t1 === undefined) { // explicit transform overrides filter, sort, and reverse

if (f1 != null) t1 = filterTransform(f1);

if (s1 != null && !isOptions(s1)) t1 = composeTransform(t1, sortTransform(s1));

if (r1) t1 = composeTransform(t1, reverseTransform);

}

return {

...options,

...isOptions(s1) && {sort: s1},

transform: composeTransform(t1, t2)

};

}

Sunbelt Computer Software