arangojs/lib/async/aql-query.js

The official ArangoDB JavaScript driver.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const collection_1 = require("./collection");
function isAqlQuery(query) {
    return Boolean(query && query.query && query.bindVars);
}
exports.isAqlQuery = isAqlQuery;
function isAqlLiteral(literal) {
    return Boolean(literal && typeof literal.toAQL === "function");
}
exports.isAqlLiteral = isAqlLiteral;
function aql(strings, ...args) {
    const bindVars = {};
    const bindVals = [];
    let query = strings[0];
    for (let i = 0; i < args.length; i++) {
        const rawValue = args[i];
        let value = rawValue;
        if (isAqlLiteral(rawValue)) {
            query += `${rawValue.toAQL()}${strings[i + 1]}`;
            continue;
        }
        const index = bindVals.indexOf(rawValue);
        const isKnown = index !== -1;
        let name = `value${isKnown ? index : bindVals.length}`;
        if (collection_1.isArangoCollection(rawValue)) {
            name = `@${name}`;
            value = rawValue.name;
        }
        if (!isKnown) {
            bindVals.push(rawValue);
            bindVars[name] = value;
        }
        query += `@${name}${strings[i + 1]}`;
    }
    return { query, bindVars };
}
exports.aql = aql;
(function (aql) {
    aql.literal = (value) => ({
        toAQL() {
            return String(value);
        }
    });
})(aql = exports.aql || (exports.aql = {}));
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