sucrase/dist/sucrase-babylon/options.js

Super-fast alternative to Babel for when you can target modern JS runtimes

"use strict";
// A second optional argument can be given to further configure
// the parser process. These options are recognized:
Object.defineProperty(exports, "__esModule", { value: true });
exports.defaultOptions = {
    // Note that sourceType is missing because assume we're always in a module.
    // Source filename.
    sourceFilename: undefined,
    // Line from which to start counting source. Useful for
    // integration with other tools.
    startLine: 1,
    // When enabled, a return at the top level is not considered an
    // error.
    allowReturnOutsideFunction: false,
    // TODO
    allowSuperOutsideMethod: false,
    // An array of plugins to enable
    plugins: [],
    // Nodes have their start and end characters offsets recorded in
    // `start` and `end` properties (directly on the node, rather than
    // the `loc` object, which holds line/column data. To also add a
    // [semi-standardized][range] `range` property holding a `[start,
    // end]` array with the same numbers, set the `ranges` option to
    // `true`.
    //
    // [range]: https://bugzilla.mozilla.org/show_bug.cgi?id=745678
    ranges: false,
    // Adds all parsed tokens to a `tokens` property on the `File` node
    tokens: false,
};
// Interpret and default an options object
function getOptions(opts) {
    // tslint:disable-next-line no-any
    const options = {};
    for (const key of Object.keys(exports.defaultOptions)) {
        options[key] = opts && opts[key] != null ? opts[key] : exports.defaultOptions[key];
    }
    return options;
}
exports.getOptions = getOptions;