44 lines
977 B
JavaScript
44 lines
977 B
JavaScript
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export function JSONParser() {
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this.data = Buffer.from('')
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this.bytesWritten = 0
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}
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JSONParser.prototype.initWithLength = function(length) {
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this.data = Buffer.alloc(length)
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}
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JSONParser.prototype.write = function(buffer) {
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if (this.data.length >= this.bytesWritten + buffer.length) {
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buffer.copy(this.data, this.bytesWritten)
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} else {
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this.data = Buffer.concat([this.data, buffer])
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}
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this.bytesWritten += buffer.length
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return buffer.length
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}
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JSONParser.prototype.end = function() {
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var data = this.data.toString('utf8')
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var fields
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try {
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fields = JSON.parse(data)
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} catch (e) {
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fields = Function(`try{return ${data}}catch(e){}`)() || data
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}
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if (typeof fields === 'object') {
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if (Array.isArray(fields)) {
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this.onField(false, fields)
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} else {
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for (let field in fields) {
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this.onField(field, fields[field])
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}
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}
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} else {
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this.onField(false, fields)
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}
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this.data = null
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this.onEnd()
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}
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