39 lines
981 B
JavaScript
39 lines
981 B
JavaScript
/* eslint-disable no-underscore-dangle */
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'use strict';
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const { Transform } = require('stream');
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const querystring = require('querystring');
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// This is a buffering parser, not quite as nice as the multipart one.
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// If I find time I'll rewrite this to be fully streaming as well
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class QuerystringParser extends Transform {
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constructor(options = {}) {
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super({ readableObjectMode: true });
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this.globalOptions = { ...options };
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this.buffer = '';
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this.bufferLength = 0;
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}
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_transform(buffer, encoding, callback) {
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this.buffer += buffer.toString('ascii');
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this.bufferLength = this.buffer.length;
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callback();
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}
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_flush(callback) {
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const fields = querystring.parse(this.buffer, '&', '=');
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// eslint-disable-next-line no-restricted-syntax, guard-for-in
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for (const key in fields) {
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this.push({
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key,
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value: fields[key],
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});
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}
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this.buffer = '';
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callback();
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}
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}
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module.exports = QuerystringParser;
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