@mondaydotcomorg/atp-compiler/dist/transformer/batch-detector.js

Production-ready compiler for transforming async iteration patterns into resumable operations with checkpoint-based state management

import * as t from '@babel/types';
import { isPausableCallExpression, getMemberExpressionPath } from './utils.js';
export class BatchParallelDetector {
    canBatch(promiseAllNode) {
        const arrayArg = promiseAllNode.arguments[0];
        if (!t.isArrayExpression(arrayArg)) {
            return false;
        }
        if (arrayArg.elements.length === 0) {
            return false;
        }
        return arrayArg.elements.every((el) => {
            if (!el || t.isSpreadElement(el)) {
                return false;
            }
            return this.isDirectPausableCall(el);
        });
    }
    isDirectPausableCall(node) {
        if (t.isAwaitExpression(node)) {
            node = node.argument;
        }
        if (!t.isCallExpression(node)) {
            return false;
        }
        return isPausableCallExpression(node);
    }
    extractBatchCalls(arrayNode) {
        const calls = [];
        for (const el of arrayNode.elements) {
            if (!el || t.isSpreadElement(el)) {
                continue;
            }
            let callNode = el;
            if (t.isAwaitExpression(callNode)) {
                callNode = callNode.argument;
            }
            if (!t.isCallExpression(callNode)) {
                continue;
            }
            const callInfo = this.extractCallInfo(callNode);
            if (callInfo) {
                calls.push(callInfo);
            }
        }
        return calls;
    }
    extractCallInfo(callNode) {
        if (!t.isMemberExpression(callNode.callee)) {
            return null;
        }
        const path = getMemberExpressionPath(callNode.callee);
        const parts = path.split('.');
        if (parts.length < 3) {
            return null;
        }
        const [namespace, service, method] = parts;
        if (namespace !== 'atp' || !method) {
            return null;
        }
        const type = service;
        const payload = this.extractPayload(callNode.arguments);
        return {
            type,
            operation: method,
            payload,
        };
    }
    /**
     * Extract payload AST node directly
     */
    extractPayloadNode(callNode) {
        if (callNode.arguments.length === 0) {
            return t.objectExpression([]);
        }
        const firstArg = callNode.arguments[0];
        if (!firstArg || t.isSpreadElement(firstArg) || !t.isExpression(firstArg)) {
            return null;
        }
        return firstArg;
    }
    extractPayload(args) {
        if (args.length === 0) {
            return {};
        }
        const firstArg = args[0];
        if (t.isSpreadElement(firstArg)) {
            return {};
        }
        if (t.isObjectExpression(firstArg)) {
            return this.objectExpressionToRecord(firstArg);
        }
        if (t.isStringLiteral(firstArg)) {
            return { message: firstArg.value };
        }
        return {};
    }
    objectExpressionToRecord(obj) {
        const record = {};
        for (const prop of obj.properties) {
            if (t.isObjectProperty(prop) && !prop.computed) {
                const key = t.isIdentifier(prop.key) ? prop.key.name : String(prop.key);
                const value = this.extractValue(prop.value);
                record[key] = value;
            }
        }
        return record;
    }
    extractValue(node) {
        if (t.isStringLiteral(node)) {
            return node.value;
        }
        if (t.isNumericLiteral(node)) {
            return node.value;
        }
        if (t.isBooleanLiteral(node)) {
            return node.value;
        }
        if (t.isNullLiteral(node)) {
            return null;
        }
        if (t.isArrayExpression(node)) {
            return node.elements.map((el) => el && !t.isSpreadElement(el) ? this.extractValue(el) : null);
        }
        if (t.isObjectExpression(node)) {
            return this.objectExpressionToRecord(node);
        }
        return undefined;
    }
}
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