38 lines
1014 B
JavaScript
38 lines
1014 B
JavaScript
'use strict'
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// See available emoji at http://emoji.muan.co/
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const emojic = require('emojic')
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const BaseService = require('./base')
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const trace = require('./trace')
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const { InvalidResponse } = require('./errors')
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class BaseJsonService extends BaseService {
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async _requestJson({ schema, url, options = {}, errorMessages = {} }) {
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const logTrace = (...args) => trace.logTrace('fetch', ...args)
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const mergedOptions = {
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...{ headers: { Accept: 'application/json' } },
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...options,
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}
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const { buffer } = await this._request({
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url,
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options: mergedOptions,
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errorMessages,
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})
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let json
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try {
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json = JSON.parse(buffer)
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} catch (err) {
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throw new InvalidResponse({
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prettyMessage: 'unparseable json response',
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underlyingError: err,
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})
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}
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logTrace(emojic.dart, 'Response JSON (before validation)', json, {
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deep: true,
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})
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return this.constructor._validate(json, schema)
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}
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}
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module.exports = BaseJsonService
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