45 lines
1.6 KiB
JavaScript
45 lines
1.6 KiB
JavaScript
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import { get } from "lodash";
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import { fromJS } from "immutable";
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import { fileExtension } from "Lib/pathHelper";
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import unsentRequest from "Lib/unsentRequest";
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import { CURSOR_COMPATIBILITY_SYMBOL } from "../valueObjects/Cursor";
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export const filterByPropExtension = (extension, propName) => arr =>
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arr.filter(el => fileExtension(get(el, propName)) === extension);
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const catchFormatErrors = (format, formatter) => res => {
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try {
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return formatter(res);
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} catch (err) {
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throw new Error(`Response cannot be parsed into the expected format (${ format }): ${ err.message }`);
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}
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};
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const responseFormatters = fromJS({
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json: async res => {
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const contentType = res.headers.get("Content-Type");
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if (!contentType.startsWith("application/json") && !contentType.startsWith("text/json")) {
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throw new Error(`${ contentType } is not a valid JSON Content-Type`);
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}
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return res.json();
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},
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text: async res => res.text(),
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blob: async res => res.blob(),
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}).mapEntries(
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([format, formatter]) => [format, catchFormatErrors(format, formatter)]
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);
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export const parseResponse = async (res, { expectingOk = true, format = "text" } = {}) => {
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if (expectingOk && !res.ok) {
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throw new Error(`Expected an ok response, but received an error status: ${ res.status }.`);
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}
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const formatter = responseFormatters.get(format, false);
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if (!formatter) {
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throw new Error(`${ format } is not a supported response format.`);
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}
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const body = await formatter(res);
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return body;
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};
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export const responseParser = options => res => parseResponse(res, options);
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