@podlite/schema/esm/writer.js

AST tools for Podlite markup language

/**
 * Default writer
 */
import * as Events from 'events';
class Writer extends Events.EventEmitter {
    INDEXTERMS;
    FOOTNOTES;
    output;
    errors;
    out;
    ons;
    // write: (p: any) => void;
    // getStr: () => { errors: any; toString: () => any; valueOf: () => any; };
    // errors: any;
    // out: any;
    // startWrite: () => void;
    // ons: any[];
    // endWrite: () => void;
    constructor(output) {
        super();
        // save X<> entries
        this.INDEXTERMS = [];
        // save N<> annotates
        this.FOOTNOTES = [];
        this.output = output;
        this.ons = [];
        this.emit('ready');
    }
    // escape function for output
    escape(p) {
        return p;
    }
    // write with escape special symbols
    write(p) {
        return this.writeRaw(this.escape(p));
    }
    // raw write as is
    writeRaw(str) {
        if ('function' === typeof this.output) {
            this.output(str);
        }
        else {
            console.log(str);
        }
    }
    getStr() {
        return {
            errors: this.errors,
            toString: () => this.out,
            valueOf: () => this.out,
        };
    }
    startWrite(tree) {
        // setup events
        ;
        (this.ons || []).map(a => 
        //@ts-ignore
        super.on(...a));
        this.emit('start', tree);
        this.addListener('errors', err => {
            this.errors = this.errors || [];
            this.errors.push(err);
        });
    }
    on(...params) {
        // overload 'on' method for reverse setup handlers
        this.ons = this.ons || [];
        this.ons.unshift([...params]);
        return this;
    }
    endWrite = () => {
        this.emit('end');
    };
    // nesting methods
    _add_nesting(n) { }
    _remove_nesting(n) { }
    addLevel(n) {
        this._add_nesting(n);
    }
    removeLevel(n) {
        this._remove_nesting(n);
    }
}
export default Writer;
//# sourceMappingURL=writer.js.map