cannabis/dist/src/query/queryShortcuts.js

TypeScript AST Query library

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var queryAst_1 = require("./queryAst");
var queryShortcuts;
/**
 * Will query given code or node and if there is any error, like query syntax error, it will fail silently,
 * returning an empty array.
 */
function queryAll(q, codeOrNode) {
    var r = queryAst_1.queryAst(q, codeOrNode);
    return r.result || [];
}
exports.queryAll = queryAll;
/**
 * Will query given code or node and if there is any error, like query syntax error, it will fail silently,
 * returning an empty array.
 */
function queryAllOrThrow(q, codeOrNode) {
    var r = queryAst_1.queryAst(q, codeOrNode);
    if (r.error) {
        throw r.error;
    }
    else if (!r.result || !r.result.length) {
        throw new Error('Expected to select at least one element with query ' + q + ' but none matched. ');
    }
    else {
        return r.result;
    }
}
exports.queryAllOrThrow = queryAllOrThrow;
/**
 * Will query given code or node and if there is any error, like query syntax error, it will fail silently,
 * returning an empty array.
 */
function queryOne(q, codeOrNode) {
    var r = queryAst_1.queryAst(q, codeOrNode);
    return r.result && r.result.length && r.result[0] || undefined;
}
exports.queryOne = queryOne;
/**
 * Will query given code or node and if there is any error, like query syntax error, it will fail silently,
 * returning an empty array.
 */
function queryOneOrThrow(q, codeOrNode) {
    var r = queryAst_1.queryAst(q, codeOrNode);
    if (r.error) {
        throw r.error;
    }
    else if (!r.result || !r.result.length) {
        throw new Error('Expected to select at least one element with query ' + q + ' but none matched. ');
    }
    else {
        return r.result[0];
    }
}
exports.queryOneOrThrow = queryOneOrThrow;
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