gatsby-source-sanity/lib-es5/util/handleListenerEvent.js

Gatsby source plugin for building websites using Sanity.io as a backend.

"use strict";
var __assign = (this && this.__assign) || function () {
    __assign = Object.assign || function(t) {
        for (var s, i = 1, n = arguments.length; i < n; i++) {
            s = arguments[i];
            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
                t[p] = s[p];
        }
        return t;
    };
    return __assign.apply(this, arguments);
};
Object.defineProperty(exports, "__esModule", { value: true });
var debug_1 = require("../debug");
var normalize_1 = require("./normalize");
var removeGatsbyInternalProps_1 = require("./removeGatsbyInternalProps");
var documentIds_1 = require("./documentIds");
function handleListenerEvent(event, publishedNodes, context, processingOptions) {
    var actions = context.actions, createNodeId = context.createNodeId, getNode = context.getNode;
    var createNode = actions.createNode, deleteNode = actions.deleteNode;
    var overlayDrafts = processingOptions.overlayDrafts;
    var current = getNode(documentIds_1.safeId(documentIds_1.unprefixId(event.documentId), createNodeId));
    var published = publishedNodes.get(documentIds_1.unprefixId(event.documentId));
    if (published) {
        published = removeGatsbyInternalProps_1.removeGatsbyInternalProps(published);
    }
    var touchedIsDraft = documentIds_1.isDraftId(event.documentId);
    var currentIsDraft = current && documentIds_1.isDraftId(current._id);
    // In non-overlay mode, things are pretty simple -
    // replace the current on create/update,
    // delete the current if it disappears
    if (!overlayDrafts) {
        if (touchedIsDraft) {
            debug_1.default('Document is draft, but draft overlay disabled. Skipping.');
            return;
        }
        if (event.transition !== 'disappear') {
            // Created/updated, replace current
            debug_1.default('Published document created or updated, replace/create');
            normalize_1.processDocument(event.result, processingOptions);
        }
        else if (current) {
            // Deleted a node that we currently have, delete it
            debug_1.default('Published document deleted, remove');
            deleteNode({ node: current });
        }
        return;
    }
    // In overlay mode, things are a bit more tricky.
    // We need to keep a copy of the published documents around so we can
    // put the published version back if a draft is discarded (deleted).
    // If a published document is updated but there is still a draft,
    // we still want to show the draft. A lot of cases here, unfortunately.
    if (event.transition === 'disappear') {
        // A document was deleted
        if (touchedIsDraft && published) {
            debug_1.default('Draft deleted, published version exists, restore published version');
            createNode(published);
        }
        else if (touchedIsDraft && !published && current) {
            debug_1.default('Draft deleted, no published version exist, delete node');
            deleteNode({ node: current });
        }
        else if (!touchedIsDraft && currentIsDraft && published) {
            debug_1.default('Published version deleted, but we have draft, remove published from working set');
            publishedNodes.delete(event.documentId);
        }
        else if (!touchedIsDraft && !currentIsDraft && current) {
            debug_1.default('Published version deleted, we have no draft, remove node entirely');
            deleteNode({ node: current });
            publishedNodes.delete(event.documentId);
        }
    }
    else {
        // A document was updated / created
        if (touchedIsDraft) {
            debug_1.default(current ? 'Replace the current draft with a new draft' : 'New draft discovered');
            normalize_1.processDocument(event.result, processingOptions);
            // If the currently used node is a published one, make sure we keep a copy
            if (current && !currentIsDraft) {
                publishedNodes.set(documentIds_1.unprefixId(event.documentId), current);
            }
        }
        else if (currentIsDraft) {
            // Creating/updating a published document, but we have a draft
            // Keep the draft as the current, but update our set of published docs
            debug_1.default('Created/updating published document, but draft overlays it');
            publishedNodes.set(event.documentId, normalize_1.processDocument(event.result, __assign(__assign({}, processingOptions), { skipCreate: true })));
        }
        else {
            // Creating/updating a published document, and there is no draft version present
            // Replace the current version with the new one
            debug_1.default('Created/updating published document, no draft present');
            normalize_1.processDocument(event.result, processingOptions);
        }
    }
}
exports.handleListenerEvent = handleListenerEvent;
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