@resin/pinejs/out/sbvr-api/cached-compile.js

Pine.js is a sophisticated rules-driven API engine that enables you to define rules in a structured subset of English. Those rules are used in order for Pine.js to generate a database schema and the associated [OData](http://www.odata.org/) API. This make

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.cachedCompile = void 0;
const _ = require("lodash");
const cacheFile = process.env.PINEJS_CACHE_FILE || '.pinejs-cache.json';
let cache = null;
let fs;
try {
    fs = require('fs');
}
catch (e) {
}
const SAVE_DEBOUNCE_TIME = 5000;
const saveCache = _.debounce(() => {
    if (fs != null) {
        fs.writeFile(cacheFile, JSON.stringify(cache), 'utf8', (err) => {
            if (err) {
                console.warn('Error saving pinejs cache:', err);
            }
        });
    }
}, SAVE_DEBOUNCE_TIME);
const clearCache = _.debounce(() => {
    cache = null;
}, SAVE_DEBOUNCE_TIME * 2);
exports.cachedCompile = (name, version, src, fn) => {
    if (cache == null) {
        if (fs != null) {
            try {
                cache = JSON.parse(fs.readFileSync(cacheFile, 'utf8'));
            }
            catch (e) {
            }
        }
        if (cache == null) {
            cache = {};
        }
    }
    const key = [name, version, JSON.stringify(src)];
    let result = _.get(cache, key);
    if (result == null) {
        result = fn();
        _.set(cache, key, result);
        saveCache();
    }
    clearCache();
    return _.cloneDeep(result);
};
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