241 lines
9.6 KiB
JavaScript
241 lines
9.6 KiB
JavaScript
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"use strict";
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var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
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if (k2 === undefined) k2 = k;
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Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
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}) : (function(o, m, k, k2) {
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if (k2 === undefined) k2 = k;
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o[k2] = m[k];
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}));
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var __exportStar = (this && this.__exportStar) || function(m, exports) {
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for (var p in m) if (p !== "default" && !Object.prototype.hasOwnProperty.call(exports, p)) __createBinding(exports, m, p);
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.defaultHandler = void 0;
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const is_1 = require("@sindresorhus/is");
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const as_promise_1 = require("./as-promise");
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const create_rejection_1 = require("./as-promise/create-rejection");
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const core_1 = require("./core");
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const deep_freeze_1 = require("./utils/deep-freeze");
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const errors = {
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RequestError: as_promise_1.RequestError,
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CacheError: as_promise_1.CacheError,
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ReadError: as_promise_1.ReadError,
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HTTPError: as_promise_1.HTTPError,
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MaxRedirectsError: as_promise_1.MaxRedirectsError,
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TimeoutError: as_promise_1.TimeoutError,
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ParseError: as_promise_1.ParseError,
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CancelError: as_promise_1.CancelError,
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UnsupportedProtocolError: as_promise_1.UnsupportedProtocolError,
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UploadError: as_promise_1.UploadError
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};
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// The `delay` package weighs 10KB (!)
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const delay = async (ms) => new Promise(resolve => {
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setTimeout(resolve, ms);
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});
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const { normalizeArguments } = core_1.default;
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const mergeOptions = (...sources) => {
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let mergedOptions;
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for (const source of sources) {
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mergedOptions = normalizeArguments(undefined, source, mergedOptions);
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}
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return mergedOptions;
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};
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const getPromiseOrStream = (options) => options.isStream ? new core_1.default(undefined, options) : as_promise_1.default(options);
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const isGotInstance = (value) => ('defaults' in value && 'options' in value.defaults);
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const aliases = [
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'get',
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'post',
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'put',
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'patch',
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'head',
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'delete'
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];
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exports.defaultHandler = (options, next) => next(options);
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const callInitHooks = (hooks, options) => {
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if (hooks) {
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for (const hook of hooks) {
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hook(options);
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}
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}
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};
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const create = (defaults) => {
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// Proxy properties from next handlers
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defaults._rawHandlers = defaults.handlers;
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defaults.handlers = defaults.handlers.map(fn => ((options, next) => {
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// This will be assigned by assigning result
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let root;
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const result = fn(options, newOptions => {
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root = next(newOptions);
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return root;
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});
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if (result !== root && !options.isStream && root) {
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const typedResult = result;
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const { then: promiseThen, catch: promiseCatch, finally: promiseFianlly } = typedResult;
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Object.setPrototypeOf(typedResult, Object.getPrototypeOf(root));
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Object.defineProperties(typedResult, Object.getOwnPropertyDescriptors(root));
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// These should point to the new promise
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// eslint-disable-next-line promise/prefer-await-to-then
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typedResult.then = promiseThen;
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typedResult.catch = promiseCatch;
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typedResult.finally = promiseFianlly;
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}
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return result;
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}));
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// Got interface
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const got = ((url, options = {}, _defaults) => {
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var _a, _b;
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let iteration = 0;
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const iterateHandlers = (newOptions) => {
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return defaults.handlers[iteration++](newOptions, iteration === defaults.handlers.length ? getPromiseOrStream : iterateHandlers);
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};
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// TODO: Remove this in Got 12.
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if (is_1.default.plainObject(url)) {
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const mergedOptions = {
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...url,
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...options
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};
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core_1.setNonEnumerableProperties([url, options], mergedOptions);
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options = mergedOptions;
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url = undefined;
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}
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try {
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// Call `init` hooks
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let initHookError;
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try {
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callInitHooks(defaults.options.hooks.init, options);
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callInitHooks((_a = options.hooks) === null || _a === void 0 ? void 0 : _a.init, options);
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}
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catch (error) {
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initHookError = error;
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}
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// Normalize options & call handlers
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const normalizedOptions = normalizeArguments(url, options, _defaults !== null && _defaults !== void 0 ? _defaults : defaults.options);
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normalizedOptions[core_1.kIsNormalizedAlready] = true;
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if (initHookError) {
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throw new as_promise_1.RequestError(initHookError.message, initHookError, normalizedOptions);
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}
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return iterateHandlers(normalizedOptions);
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}
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catch (error) {
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if (options.isStream) {
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throw error;
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}
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else {
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return create_rejection_1.default(error, defaults.options.hooks.beforeError, (_b = options.hooks) === null || _b === void 0 ? void 0 : _b.beforeError);
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}
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}
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});
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got.extend = (...instancesOrOptions) => {
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const optionsArray = [defaults.options];
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let handlers = [...defaults._rawHandlers];
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let isMutableDefaults;
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for (const value of instancesOrOptions) {
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if (isGotInstance(value)) {
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optionsArray.push(value.defaults.options);
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handlers.push(...value.defaults._rawHandlers);
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isMutableDefaults = value.defaults.mutableDefaults;
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}
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else {
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optionsArray.push(value);
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if ('handlers' in value) {
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handlers.push(...value.handlers);
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}
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isMutableDefaults = value.mutableDefaults;
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}
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}
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handlers = handlers.filter(handler => handler !== exports.defaultHandler);
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if (handlers.length === 0) {
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handlers.push(exports.defaultHandler);
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}
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return create({
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options: mergeOptions(...optionsArray),
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handlers,
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mutableDefaults: Boolean(isMutableDefaults)
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});
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};
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// Pagination
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const paginateEach = (async function* (url, options) {
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// TODO: Remove this `@ts-expect-error` when upgrading to TypeScript 4.
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// Error: Argument of type 'Merge<Options, PaginationOptions<T, R>> | undefined' is not assignable to parameter of type 'Options | undefined'.
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// @ts-expect-error
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let normalizedOptions = normalizeArguments(url, options, defaults.options);
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normalizedOptions.resolveBodyOnly = false;
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const pagination = normalizedOptions.pagination;
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if (!is_1.default.object(pagination)) {
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throw new TypeError('`options.pagination` must be implemented');
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}
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const all = [];
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let { countLimit } = pagination;
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let numberOfRequests = 0;
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while (numberOfRequests < pagination.requestLimit) {
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if (numberOfRequests !== 0) {
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// eslint-disable-next-line no-await-in-loop
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await delay(pagination.backoff);
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}
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// @ts-expect-error FIXME!
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// TODO: Throw when result is not an instance of Response
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// eslint-disable-next-line no-await-in-loop
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const result = (await got(undefined, undefined, normalizedOptions));
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// eslint-disable-next-line no-await-in-loop
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const parsed = await pagination.transform(result);
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const current = [];
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for (const item of parsed) {
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if (pagination.filter(item, all, current)) {
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if (!pagination.shouldContinue(item, all, current)) {
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return;
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}
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yield item;
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if (pagination.stackAllItems) {
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all.push(item);
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}
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current.push(item);
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if (--countLimit <= 0) {
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return;
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}
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}
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}
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const optionsToMerge = pagination.paginate(result, all, current);
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if (optionsToMerge === false) {
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return;
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}
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if (optionsToMerge === result.request.options) {
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normalizedOptions = result.request.options;
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}
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else if (optionsToMerge !== undefined) {
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normalizedOptions = normalizeArguments(undefined, optionsToMerge, normalizedOptions);
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}
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numberOfRequests++;
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}
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});
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got.paginate = paginateEach;
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got.paginate.all = (async (url, options) => {
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const results = [];
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for await (const item of paginateEach(url, options)) {
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results.push(item);
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}
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return results;
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});
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// For those who like very descriptive names
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got.paginate.each = paginateEach;
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// Stream API
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got.stream = ((url, options) => got(url, { ...options, isStream: true }));
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// Shortcuts
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for (const method of aliases) {
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got[method] = ((url, options) => got(url, { ...options, method }));
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got.stream[method] = ((url, options) => {
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return got(url, { ...options, method, isStream: true });
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});
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}
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Object.assign(got, errors);
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Object.defineProperty(got, 'defaults', {
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value: defaults.mutableDefaults ? defaults : deep_freeze_1.default(defaults),
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writable: defaults.mutableDefaults,
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configurable: defaults.mutableDefaults,
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enumerable: true
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});
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got.mergeOptions = mergeOptions;
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return got;
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};
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exports.default = create;
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__exportStar(require("./types"), exports);
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