mirror of
https://github.com/xuxiaobo-bobo/boda_jsEnv.git
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57 lines
2.1 KiB
JavaScript
57 lines
2.1 KiB
JavaScript
"use strict";
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var __importDefault = (this && this.__importDefault) || function (mod) {
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return (mod && mod.__esModule) ? mod : { "default": mod };
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.getUri = exports.isValidProtocol = exports.protocols = void 0;
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const debug_1 = __importDefault(require("debug"));
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// Built-in protocols
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const data_1 = require("./data");
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const file_1 = require("./file");
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const ftp_1 = require("./ftp");
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const http_1 = require("./http");
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const https_1 = require("./https");
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const debug = (0, debug_1.default)('get-uri');
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exports.protocols = {
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data: data_1.data,
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file: file_1.file,
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ftp: ftp_1.ftp,
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http: http_1.http,
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https: https_1.https,
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};
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const VALID_PROTOCOLS = new Set(Object.keys(exports.protocols));
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function isValidProtocol(p) {
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return VALID_PROTOCOLS.has(p);
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}
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exports.isValidProtocol = isValidProtocol;
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/**
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* Async function that returns a `stream.Readable` instance that will output
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* the contents of the given URI.
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*
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* For caching purposes, you can pass in a `stream` instance from a previous
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* `getUri()` call as a `cache: stream` option, and if the destination has
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* not changed since the last time the endpoint was retreived then the callback
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* will be invoked with an Error object with `code` set to "ENOTMODIFIED" and
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* `null` for the "stream" instance argument. In this case, you can skip
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* retreiving the file again and continue to use the previous payload.
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*
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* @param {String} uri URI to retrieve
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* @param {Object} opts optional "options" object
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* @api public
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*/
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async function getUri(uri, opts) {
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debug('getUri(%o)', uri);
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if (!uri) {
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throw new TypeError('Must pass in a URI to "getUri()"');
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}
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const url = typeof uri === 'string' ? new URL(uri) : uri;
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// Strip trailing `:`
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const protocol = url.protocol.replace(/:$/, '');
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if (!isValidProtocol(protocol)) {
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throw new TypeError(`Unsupported protocol "${protocol}" specified in URI: "${uri}"`);
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}
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const getter = exports.protocols[protocol];
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return getter(url, opts);
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}
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exports.getUri = getUri;
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//# sourceMappingURL=index.js.map
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