json-to-html.ts

import Node from './nodes/node';
import TextNode from './nodes/text-node';
import Document from './nodes/document';
import { Metadata } from './Models/metadata-model';
import { EntryEmbedable } from './Models/embedded-object';
import { findRenderContent } from './helper/find-render-content';
import { RenderOption } from './options';
import { findEmbeddedItems } from './helper/find-embeded-object';
import { enumerate, enumerateContents } from './helper/enumerate-entries';

export type AnyNode = TextNode | Node;

/**
 * Converts Supercharged RTE (JSON) content to HTML for one or more entries.
 * Walks the given paths on each entry, finds JSON RTE content, resolves embedded
 * items from the entry, and renders nodes using the optional renderOption. Mutates
 * the entry JSON in-place by replacing content with the generated HTML.
 *
 * @param option - Configuration for conversion.
 * @param option.entry - Entry or array of entries that contain Supercharged RTE (JSON) fields.
 * @param option.paths - Key paths to the JSON RTE fields (e.g. `['rte_field_uid', 'group.rte_uid']`).
 * @param option.renderOption - Optional render options to customize how nodes and embedded items are rendered to HTML.
 */
export function jsonToHTML(option: { 
    entry: EntryEmbedable| EntryEmbedable[],
    paths: string[],
    renderOption?: RenderOption,
}) {
    if (option.entry instanceof Array) {
        enumerate(option.entry, (entry: EntryEmbedable) => {
            jsonToHTML({entry, paths: option.paths, renderOption: option.renderOption})
        })
    } else {
        enumerateKeys({
            entry: option.entry,
            paths: option.paths,
            renderOption: option.renderOption,
        })
    }
}

function enumerateKeys(option: { 
    entry: EntryEmbedable,
    paths: string[],
    renderOption?: RenderOption,
}) {
    for (const key of option.paths) {
        findRenderContent(
            key, 
            option.entry, 
            ((content: Document | Document[]) => {
                return enumerateContents(
                    content, 
                    option.renderOption, 
                    (metadata: Metadata) => {
                        return findEmbeddedItems(metadata, option.entry)[0]
                    }
                )
            })
        )
    }
}