ts-simple-ast/dist/manipulation/verifyAndGetIndex.js

TypeScript compiler wrapper for AST navigation and code generation.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const errors = require("./../errors");
/**
 * Verifies to see if an index or negative index exists within a specified length.
 * @param index - Index.
 * @param length - Length index could be in.
 */
function verifyAndGetIndex(index, length) {
    const newIndex = index < 0 ? length + index : index;
    if (newIndex < 0)
        throw new errors.InvalidOperationError(`Invalid index: The max negative index is ${length * -1}, but ${index} was specified.`);
    if (index > length)
        throw new errors.InvalidOperationError(`Invalid index: The max index is ${length}, but ${index} was specified.`);
    return newIndex;
}
exports.verifyAndGetIndex = verifyAndGetIndex;

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