@statezero/core/dist/flavours/django/tempPk.js

The type-safe frontend client for StateZero - connect directly to your backend models with zero boilerplate

import Handlebars from 'handlebars';
import superjson from 'superjson';
// Simple map to store temporary PK to real PK mappings
export const tempPkMap = new Map();
/**
 * Check if a string contains a temporary PK template
 * @param {string} str - The string to check
 * @returns {boolean} - True if the string contains a TempPK tag
 */
export function containsTempPk(str) {
    return (typeof str === 'string' &&
        /\{\{\s*TempPK_[^}\s]+\s*\}\}/.test(str));
}
/**
 * Create a temporary PK with handlebars syntax
 */
export function createTempPk(uuid) {
    const tempPk = `{{TempPK_${uuid}}}`;
    return tempPk;
}
/**
 * Register a real PK for a temporary PK
 */
export function setRealPk(uuid, realPk) {
    const key = `TempPK_${uuid}`;
    tempPkMap.set(key, realPk);
}
/**
 * Replace all temporary PKs in an object (or string) with their real values
 */
export function replaceTempPks(payload) {
    if (tempPkMap.size === 0)
        return payload;
    const context = Object.fromEntries(tempPkMap);
    try {
        if (typeof payload === 'string') {
            const template = Handlebars.compile(payload, { noEscape: true });
            return template(context);
        }
        const str = superjson.stringify(payload);
        const template = Handlebars.compile(str, { noEscape: true });
        const replaced = template(context);
        return superjson.parse(replaced);
    }
    catch (error) {
        return payload;
    }
}