@convo-lang/convo-lang/src/lib/convo-component-lib.js

The language of AI

import { parseXml } from "@iyio/common";
import { isConvoComponentMode } from "./convo-types.js";
/**
 * Finds the component type of a message.
 */
export const getConvoMessageComponentMode = (content) => {
    const types = (content ? /^\s*```([^\n]*).*```\s*$/s.exec(content) : null)?.[1]?.trim().split(' ');
    if (!types) {
        return undefined;
    }
    const last = types[types.length - 1];
    return isConvoComponentMode(last) ? last : undefined;
};
const convoComponentCacheKey = Symbol('convoComponentCacheKey');
/**
 * Parses message content as a convo component. Components are written in xml. The parsed component
 * is cached and stored on the message using a private symbol.
 * @param msg The message to parse
 */
export const getConvoMessageComponent = (msg) => {
    if (!msg?.content) {
        return undefined;
    }
    const cached = msg[convoComponentCacheKey];
    if (cached) {
        return cached;
    }
    const comp = parseConvoComponent(msg.content);
    if (comp) {
        msg[convoComponentCacheKey] = comp;
    }
    return comp;
};
const transformComponentReg = /^(\w+)\s+(\w+)(\s+(\w+))?(\s+\?\s*(!?\s*.*))?$/;
/**
 * Parses the value of the `transformComponent` tag
 * @param value [groupName] {componentName} {propType} [?[!] condition]
 */
export const parseConvoComponentTransform = (value) => {
    if (!value) {
        return undefined;
    }
    const m = transformComponentReg.exec(value);
    if (!m) {
        return undefined;
    }
    const hasGroup = m[4] ? true : false;
    const ni = hasGroup ? 2 : 1;
    return {
        componentName: m[ni] ?? '',
        propType: m[hasGroup ? ni + 2 : 2] ?? '',
        groupName: (hasGroup ? m[1] : m[ni]) || undefined,
        condition: m[6]?.trim() || undefined,
    };
};
const mdFenceReg = /^[\n\s]*```[^\n]*/;
const jsonReg = /^[\n\s]*\{/;
export const parseConvoMessageComponents = (content, defaultComponentName) => {
    const fenceMatch = mdFenceReg.exec(content);
    if (fenceMatch) {
        content = content.substring(fenceMatch[0].length).trim();
        if (content.endsWith('```')) {
            content = content.substring(0, content.length - 3);
        }
    }
    if (jsonReg.test(content)) {
        const json = JSON.parse(content);
        return [{
                isJson: true,
                name: defaultComponentName ?? 'Json',
                atts: json ? ((typeof json === 'object') ? json : { value: json }) : { value: json },
            }];
    }
    else {
        return parseXml(content, { parseJsonAtts: true }).result;
    }
};
/**
 * Parses message content as a convo component. Components are written in xml.
 * @param content string content to parse
 */
export const parseConvoComponent = (content) => {
    if (!content) {
        return undefined;
    }
    const codeBlockMatch = /^\s*```[^\n]*(.*)```\s*$/s.exec(content);
    if (codeBlockMatch?.[1]) {
        content = codeBlockMatch[1];
    }
    const xml = parseXml(content, { parseJsonAtts: true, stopOnFirstNode: true });
    if (xml.error) {
        console.error('convo component parsing failed', xml.error);
    }
    return xml.result?.[0];
};
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