@stencila/jesta/dist/util/changes.js

Stencila plugin for executable documents using JavaScript

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.record = exports.needed = void 0;
const crypto_1 = __importDefault(require("crypto"));
const md5json = (entity) => {
    const json = JSON.stringify(entity, (key, value) => {
        return key === 'meta' ? undefined : value;
    });
    return crypto_1.default.createHash('md5').update(json).digest('hex');
};
const needed = (entity, method) => {
    const { meta = {}, ...rest } = entity;
    const { history = {} } = meta;
    const previous = history[method];
    if (previous === undefined)
        return true;
    return previous.md5json !== md5json(rest);
};
exports.needed = needed;
const record = (entity, method, seconds) => {
    const { meta: { history = {}, ...metaRest } = {}, ...entityRest } = entity;
    return {
        ...entityRest,
        meta: {
            ...metaRest,
            history: {
                ...history,
                [method]: {
                    plugin: 'jesta',
                    time: new Date().toISOString(),
                    seconds,
                    md5json: md5json(entityRest),
                },
            },
        },
    };
};
exports.record = record;