/* eslint-disable no-underscore-dangle */
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'use strict';
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const JSONParser = require('../parsers/JSON');
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// the `options` is also available through the `this.options` / `formidable.options`
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module.exports = function plugin(formidable, options) {
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// the `this` context is always formidable, as the first argument of a plugin
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// but this allows us to customize/test each plugin
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/* istanbul ignore next */
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const self = this || formidable;
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if (/json/i.test(self.headers['content-type'])) {
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init.call(self, self, options);
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}
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};
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// Note that it's a good practice (but it's up to you) to use the `this.options` instead
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// of the passed `options` (second) param, because when you decide
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// to test the plugin you can pass custom `this` context to it (and so `this.options`)
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function init(_self, _opts) {
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this.type = 'json';
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const parser = new JSONParser(this.options);
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parser.on('data', ({ key, value }) => {
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this.emit('field', key, value);
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});
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parser.once('end', () => {
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this.ended = true;
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this._maybeEnd();
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});
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this._parser = parser;
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}
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