docutils-ts/dist/src/validating.js

Port of the Python Docutils library to TypeScript

import { Action } from 'argparse';
export class ActionValidating extends Action {
    constructor(options) {
        super(options);
        this.options = options;
        this.delegatedAction = options.delegatedAction;
        this.validator = options.validator;
    }
    call(parser, namespace, values, optionString) {
        let Action;
        try {
            Action = parser._registryGet('action', this.delegatedAction);
        }
        catch (e) {
            throw new Error(`no action for ${this.delegatedAction}`);
        }
        if (Action === undefined) {
            throw new Error(`no action for ${this.delegatedAction}`);
        }
        const value = this.validator(parser, namespace, values, optionString);
        const action = new Action(Object.assign({}, this.options, { "constant": value }));
        action.call(parser, namespace, [value], optionString);
    }
}