@braindb/micromark-extension-wiki-link/dist/syntax.js

Parse and render wiki-style links

const codes = {
    horizontalTab: -2,
    virtualSpace: -1,
    nul: 0,
    eof: null,
    space: 32,
};
function markdownLineEndingOrSpace(code) {
    return code !== codes.eof && (code < codes.nul || code === codes.space);
}
function markdownLineEnding(code) {
    return code !== codes.eof && (code === null || code < codes.horizontalTab);
}
export function syntax(opts = {}) {
    const aliasDivider = opts.aliasDivider || "|";
    const aliasMarker = aliasDivider;
    const startMarker = "[[";
    const endMarker = "]]";
    const tokenize = (effects, ok, nok) => {
        let data;
        let alias;
        let aliasCursor = 0;
        let startMarkerCursor = 0;
        let endMarkerCursor = 0;
        return start;
        function start(code) {
            if (code !== startMarker.charCodeAt(startMarkerCursor))
                return nok(code);
            // @ts-expect-error
            effects.enter("wikiLink");
            // @ts-expect-error
            effects.enter("wikiLinkMarker");
            return consumeStart(code);
        }
        function consumeStart(code) {
            if (startMarkerCursor === startMarker.length) {
                // @ts-expect-error
                effects.exit("wikiLinkMarker");
                return consumeData(code);
            }
            if (code !== startMarker.charCodeAt(startMarkerCursor)) {
                return nok(code);
            }
            effects.consume(code);
            startMarkerCursor++;
            return consumeStart;
        }
        function consumeData(code) {
            if (markdownLineEnding(code) || code === codes.eof) {
                return nok(code);
            }
            // @ts-expect-error
            effects.enter("wikiLinkData");
            // @ts-expect-error
            effects.enter("wikiLinkTarget");
            return consumeTarget(code);
        }
        function consumeTarget(code) {
            if (code === aliasMarker.charCodeAt(aliasCursor)) {
                if (!data)
                    return nok(code);
                // @ts-expect-error
                effects.exit("wikiLinkTarget");
                // @ts-expect-error
                effects.enter("wikiLinkAliasMarker");
                return consumeAliasMarker(code);
            }
            if (code === endMarker.charCodeAt(endMarkerCursor)) {
                if (!data)
                    return nok(code);
                // @ts-expect-error
                effects.exit("wikiLinkTarget");
                // @ts-expect-error
                effects.exit("wikiLinkData");
                // @ts-expect-error
                effects.enter("wikiLinkMarker");
                return consumeEnd(code);
            }
            if (markdownLineEnding(code) || code === codes.eof) {
                return nok(code);
            }
            if (!markdownLineEndingOrSpace(code)) {
                data = true;
            }
            effects.consume(code);
            return consumeTarget;
        }
        function consumeAliasMarker(code) {
            if (aliasCursor === aliasMarker.length) {
                // @ts-expect-error
                effects.exit("wikiLinkAliasMarker");
                // @ts-expect-error
                effects.enter("wikiLinkAlias");
                return consumeAlias(code);
            }
            if (code !== aliasMarker.charCodeAt(aliasCursor)) {
                return nok(code);
            }
            effects.consume(code);
            aliasCursor++;
            return consumeAliasMarker;
        }
        function consumeAlias(code) {
            if (code === endMarker.charCodeAt(endMarkerCursor)) {
                if (!alias)
                    return nok(code);
                // @ts-expect-error
                effects.exit("wikiLinkAlias");
                // @ts-expect-error
                effects.exit("wikiLinkData");
                // @ts-expect-error
                effects.enter("wikiLinkMarker");
                return consumeEnd(code);
            }
            if (markdownLineEnding(code) || code === codes.eof) {
                return nok(code);
            }
            if (!markdownLineEndingOrSpace(code)) {
                alias = true;
            }
            effects.consume(code);
            return consumeAlias;
        }
        function consumeEnd(code) {
            if (endMarkerCursor === endMarker.length) {
                // @ts-expect-error
                effects.exit("wikiLinkMarker");
                // @ts-expect-error
                effects.exit("wikiLink");
                return ok(code);
            }
            if (code !== endMarker.charCodeAt(endMarkerCursor)) {
                return nok(code);
            }
            effects.consume(code);
            endMarkerCursor++;
            return consumeEnd;
        }
    };
    return {
        text: { 91: { tokenize: tokenize } }, // left square bracket
    };
}