44 lines
1.1 KiB
JavaScript
44 lines
1.1 KiB
JavaScript
'use strict';
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const StreamBase = require('./StreamBase');
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const withParser = require('../utils/withParser');
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class StreamObject extends StreamBase {
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static make(options) {
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return new StreamObject(options);
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}
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static withParser(options) {
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return withParser(StreamObject.make, options);
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}
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constructor(options) {
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super(options);
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this._level = 1;
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this._lastKey = null;
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}
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_wait(chunk, _, callback) {
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// first chunk should open an array
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if (chunk.name !== 'startObject') {
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return callback(new Error('Top-level object should be an object.'));
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}
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this._transform = this._filter;
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return this._transform(chunk, _, callback);
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}
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_push(discard) {
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if (this._lastKey === null) {
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this._lastKey = this._assembler.key;
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} else {
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!discard && this.push({key: this._lastKey, value: this._assembler.current[this._lastKey]});
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this._assembler.current = {};
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this._lastKey = null;
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}
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}
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}
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StreamObject.streamObject = StreamObject.make;
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StreamObject.make.Constructor = StreamObject;
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module.exports = StreamObject;
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