accept-ranges-parser

HTTP Accept-Ranges header field parser.

Compliant with RFC 9110, 14.3. Accept-Ranges.

Deserialization

Parses string into AcceptRanges.

1import { parseAcceptRanges } from "https://deno.land/x/accept_ranges_parser@$VERSION/parse.ts";
2import { assertEquals } from "https://deno.land/std/testing/asserts.ts";
3
4assertEquals(parseAcceptRanges(`none`), ["none"]);
5assertEquals(parseAcceptRanges(`bytes, unknown`), ["bytes", "unknown"]);

Throwing error

Throws SyntaxError if the input is invalid <Accept-Ranges> syntax.

1import { parseAcceptRanges } from "https://deno.land/x/accept_ranges_parser@$VERSION/parse.ts";
2import { assertThrows } from "https://deno.land/std/testing/asserts.ts";
3
4assertThrows(() => parseAcceptRanges("<invalid>"));

Serialization

Serialize string of array into string.

1import { stringifyAcceptRanges } from "https://deno.land/x/accept_ranges_parser@$VERSION/stringify.ts";
2import { assertEquals } from "https://deno.land/std/testing/asserts.ts";
3
4assertEquals(stringifyAcceptRanges(["bytes"]), "bytes");

Throwing error

Throws TypeError if the element contains invalid <range-unit> syntax.

1import { stringifyAcceptRanges } from "https://deno.land/x/accept_ranges_parser@$VERSION/stringify.ts";
2import { assertThrows } from "https://deno.land/std/testing/asserts.ts";
3
4assertThrows(() => stringifyAcceptRanges(["<invalid>", "none"]));

AcceptRanges

AcceptRanges is a subtype of array with the following characteristics.

• It has one or more elements.
• The elements are Token.

Token

Represents a character set that compliant with RFC 9110, 5.6.2. Tokens as much as possible.

API

All APIs can be found in the deno doc.

License

Copyright © 2023-present httpland.

Released under the MIT license