@scribelabsai/amazon-trp/dist/Document.js

Amazon Textract Response Parser library for Node.

import { readFile } from 'fs/promises';
import { Page } from './Page';
export class Document {
    constructor(blocks) {
        this.pages = [];
        this.blocks = blocks;
        this.blockMap = {};
        this.parse();
    }
    toString() {
        return `\nDocument\n==========\n${this.pages.map((p) => `${p}`).join('\n\n')}`;
    }
    parse() {
        let blocks = [];
        this.blocks.forEach((b) => {
            if (b.Id) {
                this.blockMap[b.Id] = b;
            }
            if (b.BlockType === 'PAGE') {
                if (blocks.length > 0) {
                    this.pages.push(new Page(blocks, this.blockMap));
                }
                blocks = [];
            }
            blocks.push(b);
        });
        if (blocks.length > 0) {
            this.pages.push(new Page(blocks, this.blockMap));
        }
    }
    getBlockById(blockId) {
        return this.blockMap[blockId];
    }
    static async fromFile(file) {
        const content = await readFile(file, { encoding: 'utf8' });
        const blocks = JSON.parse(content);
        return new Document(blocks);
    }
}
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