126 lines
3.3 KiB
JavaScript
126 lines
3.3 KiB
JavaScript
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Object.defineProperty(exports, '__esModule', { value: true });
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const object = require('../object.js');
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const supports = require('../supports.js');
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const worldwide = require('../worldwide.js');
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const _handlers = require('./_handlers.js');
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/**
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* Add an instrumentation handler for when a fetch request happens.
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* The handler function is called once when the request starts and once when it ends,
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* which can be identified by checking if it has an `endTimestamp`.
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*
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* Use at your own risk, this might break without changelog notice, only used internally.
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* @hidden
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*/
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function addFetchInstrumentationHandler(handler) {
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const type = 'fetch';
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_handlers.addHandler(type, handler);
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_handlers.maybeInstrument(type, instrumentFetch);
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}
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function instrumentFetch() {
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if (!supports.supportsNativeFetch()) {
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return;
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}
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object.fill(worldwide.GLOBAL_OBJ, 'fetch', function (originalFetch) {
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return function (...args) {
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const { method, url } = parseFetchArgs(args);
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const handlerData = {
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args,
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fetchData: {
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method,
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url,
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},
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startTimestamp: Date.now(),
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};
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_handlers.triggerHandlers('fetch', {
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...handlerData,
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});
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// eslint-disable-next-line @typescript-eslint/no-unsafe-member-access
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return originalFetch.apply(worldwide.GLOBAL_OBJ, args).then(
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(response) => {
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const finishedHandlerData = {
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...handlerData,
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endTimestamp: Date.now(),
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response,
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};
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_handlers.triggerHandlers('fetch', finishedHandlerData);
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return response;
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},
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(error) => {
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const erroredHandlerData = {
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...handlerData,
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endTimestamp: Date.now(),
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error,
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};
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_handlers.triggerHandlers('fetch', erroredHandlerData);
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// NOTE: If you are a Sentry user, and you are seeing this stack frame,
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// it means the sentry.javascript SDK caught an error invoking your application code.
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// This is expected behavior and NOT indicative of a bug with sentry.javascript.
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throw error;
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},
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);
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};
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});
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}
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function hasProp(obj, prop) {
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return !!obj && typeof obj === 'object' && !!(obj )[prop];
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}
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function getUrlFromResource(resource) {
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if (typeof resource === 'string') {
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return resource;
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}
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if (!resource) {
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return '';
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}
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if (hasProp(resource, 'url')) {
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return resource.url;
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}
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if (resource.toString) {
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return resource.toString();
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}
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return '';
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}
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/**
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* Parses the fetch arguments to find the used Http method and the url of the request.
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* Exported for tests only.
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*/
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function parseFetchArgs(fetchArgs) {
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if (fetchArgs.length === 0) {
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return { method: 'GET', url: '' };
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}
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if (fetchArgs.length === 2) {
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const [url, options] = fetchArgs ;
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return {
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url: getUrlFromResource(url),
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method: hasProp(options, 'method') ? String(options.method).toUpperCase() : 'GET',
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};
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}
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const arg = fetchArgs[0];
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return {
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url: getUrlFromResource(arg ),
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method: hasProp(arg, 'method') ? String(arg.method).toUpperCase() : 'GET',
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};
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}
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exports.addFetchInstrumentationHandler = addFetchInstrumentationHandler;
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exports.parseFetchArgs = parseFetchArgs;
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//# sourceMappingURL=fetch.js.map
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