medium-ocr-react-generate1

App.js

generateText = () => {
  let uploads = this.state.uploads

  for(var i = 0; i < uploads.length; i++) {
    Tesseract.recognize(uploads[i], {
      lang: 'eng'
    })
    .catch(err => {
      console.error(err)
    })
    .then(result => {
      // Get Confidence score
      let confidence = result.confidence

      // Get full output
      let text = result.text

      // Get codes
      let pattern = /\b\w{10,10}\b/g
      let patterns = result.text.match(pattern);

      // Update state
      this.setState({ 
        patterns: this.state.patterns.concat(patterns),
        documents: this.state.documents.concat({
          pattern: patterns,
          text: text,
          confidence: confidence
        })
      })
    })
  }
}