etag-parser

HTTP ETag header field parser.

Deserialization

Parses string into ETag.

import { parse } from "https://deno.land/x/etag_parser@$VERSION/mod.ts";
import { assertEquals } from "https://deno.land/std/testing/asserts.ts";

assertEquals(parse(`W/"123456789"`), { tag: "123456789", weak: true });
assertEquals(parse(`"123456789"`), { tag: "123456789", weak: false });

Throwing error

Throws SyntaxError if the input is invalid <entity-tag>.

import { parse } from "https://deno.land/x/etag_parser@$VERSION/mod.ts";
import { assertThrows } from "https://deno.land/std/testing/asserts.ts";

assertThrows(() => parse("<invalid>"));

Serialization

Serialize ETag into string.

import { stringify } from "https://deno.land/x/etag_parser@$VERSION/mod.ts";
import { assertEquals } from "https://deno.land/std/testing/asserts.ts";

assertEquals(stringify({ weak: true, tag: "123456789" }), `W/"123456789"`);
assertEquals(stringify({ weak: false, tag: "123456789" }), `"123456789"`);

Throwing error

Throws TypeError if ETag contains invalid value.

import { stringify } from "https://deno.land/x/etag_parser@$VERSION/mod.ts";
import { assertThrows } from "https://deno.land/std/testing/asserts.ts";

assertThrows(() => stringify({ tag: "aあ亜", weak: true }));

ETag

ETag is a structured object for ETag header.

Name	Type	Description
tag	`string`	Representation of `<etagc>`.
weak	`boolean`	Whether this is weak validator or not.

API

All APIs can be found in the deno doc.

License

Released under the MIT license