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payload.ts
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payload.ts
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import Context from './context.ts';
import Plugin from './plugin.ts';
type Parse = 'json' | 'text' | 'blob' | 'arrayBuffer';
type Options = {
parse: Parse;
};
export default class Payload implements Plugin {
#parse: Parse = 'json';
#get: Set<string> = new Set();
#head: Set<string> = new Set();
#post: Set<string> = new Set();
#put: Set<string> = new Set();
#delete: Set<string> = new Set();
#connect: Set<string> = new Set();
#options: Set<string> = new Set();
#trace: Set<string> = new Set();
#patch: Set<string> = new Set();
#any: Set<string> = new Set();
constructor (options?: Options) {
this.#parse = options?.parse ?? this.#parse;
}
parse (parse: Parse) {
this.#parse = parse ?? this.#parse;
return this;
}
// ingore payload requirements
get (...path: string[]) { path.forEach(path => this.#get.add(path)); return this; }
head (...path: string[]) { path.forEach(path => this.#head.add(path)); return this; }
post (...path: string[]) { path.forEach(path => this.#post.add(path)); return this; }
put (...path: string[]) { path.forEach(path => this.#put.add(path)); return this; }
delete (...path: string[]) { path.forEach(path => this.#delete.add(path)); return this; }
connect (...path: string[]) { path.forEach(path => this.#connect.add(path)); return this; }
options (...path: string[]) { path.forEach(path => this.#options.add(path)); return this; }
trace (...path: string[]) { path.forEach(path => this.#trace.add(path)); return this; }
patch (...path: string[]) { path.forEach(path => this.#patch.add(path)); return this; }
any (...path: string[]) { path.forEach(path => this.#any.add(path)); return this; }
async handle (context: Context): Promise<Response | void> {
const method = context.method;
const path = context.url.pathname;
let paths;
switch (method) {
case 'get': paths = this.#get; break;
case 'head': paths = this.#head; break;
case 'post': paths = this.#post; break;
case 'put': paths = this.#put; break;
case 'delete': paths = this.#delete; break;
case 'connect': paths = this.#connect; break;
case 'options': paths = this.#options; break;
case 'trace': paths = this.#trace; break;
case 'patch': paths = this.#patch; break;
default: throw new Error('Payload - invalid method');
}
if (paths.has(path) || paths.has('*') || paths.has('/*')) return;
if (this.#any.has(path) || this.#any.has('*') || this.#any.has('/*')) return;
context.tool.payload = {};
try {
context.tool.payload.data = await context.request[ this.#parse ]();
} catch {
context.tool.payload.data = {};
}
}
}