@adonis-cockpit/lucid-infer/build/src/infer.js

Package to infer Lucid model attributes by parsing AST tree

import { loadFile } from "magicast";
import { fileURLToPath } from "node:url";
import { getColumnsFromAST, getColumnType, isClassPropertyNullable, } from "./ast.js";
function loadModule(specifier) {
    const url = new URL(import.meta.resolve(specifier));
    return loadFile(fileURLToPath(url));
}
export async function inferModel(path) {
    const { default: Model } = (await import(path));
    const columns = [];
    const mod = await loadModule(path);
    const propertiesAST = getColumnsFromAST(mod.$ast);
    for (const [key, definition] of Model.$columnsDefinitions) {
        const property = propertiesAST.find((f) => f.key.type === "Identifier" && f.key.name === key);
        if (!property) {
            console.warn(`Could not find property ${key}`); // TODO: ERror
            continue;
        }
        columns.push(inferColumn(key, property, definition));
    }
    for (const [key, definition] of Model.$relationsDefinitions) {
        columns.push({
            kind: "relationship",
            key,
            type: definition.type,
            options: definition,
        });
    }
    return columns;
}
function inferColumn(key, property, options) {
    const { type, isArray } = getColumnType(property);
    return {
        kind: "column",
        key,
        type,
        isArray,
        optional: isClassPropertyNullable(property),
        options,
    };
}