@contentful/rich-text-types/dist/cjs/helpers.js

Type definitions and constants for the Contentful rich text field type.

"use strict";
Object.defineProperty(exports, "__esModule", {
    value: true
});
function _export(target, all) {
    for(var name in all)Object.defineProperty(target, name, {
        enumerable: true,
        get: Object.getOwnPropertyDescriptor(all, name).get
    });
}
_export(exports, {
    get isBlock () {
        return isBlock;
    },
    get isEmptyParagraph () {
        return isEmptyParagraph;
    },
    get isInline () {
        return isInline;
    },
    get isText () {
        return isText;
    },
    get stripEmptyTrailingParagraphFromDocument () {
        return stripEmptyTrailingParagraphFromDocument;
    }
});
var _blocks = require("./blocks.js");
var _inlines = require("./inlines.js");
function _define_property(obj, key, value) {
    if (key in obj) {
        Object.defineProperty(obj, key, {
            value: value,
            enumerable: true,
            configurable: true,
            writable: true
        });
    } else {
        obj[key] = value;
    }
    return obj;
}
function _object_spread(target) {
    for(var i = 1; i < arguments.length; i++){
        var source = arguments[i] != null ? arguments[i] : {};
        var ownKeys = Object.keys(source);
        if (typeof Object.getOwnPropertySymbols === "function") {
            ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function(sym) {
                return Object.getOwnPropertyDescriptor(source, sym).enumerable;
            }));
        }
        ownKeys.forEach(function(key) {
            _define_property(target, key, source[key]);
        });
    }
    return target;
}
function ownKeys(object, enumerableOnly) {
    var keys = Object.keys(object);
    if (Object.getOwnPropertySymbols) {
        var symbols = Object.getOwnPropertySymbols(object);
        if (enumerableOnly) {
            symbols = symbols.filter(function(sym) {
                return Object.getOwnPropertyDescriptor(object, sym).enumerable;
            });
        }
        keys.push.apply(keys, symbols);
    }
    return keys;
}
function _object_spread_props(target, source) {
    source = source != null ? source : {};
    if (Object.getOwnPropertyDescriptors) {
        Object.defineProperties(target, Object.getOwnPropertyDescriptors(source));
    } else {
        ownKeys(Object(source)).forEach(function(key) {
            Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key));
        });
    }
    return target;
}
function _type_of(obj) {
    "@swc/helpers - typeof";
    return obj && typeof Symbol !== "undefined" && obj.constructor === Symbol ? "symbol" : typeof obj;
}
function hasValue(obj, value) {
    var _iteratorNormalCompletion = true, _didIteratorError = false, _iteratorError = undefined;
    try {
        for(var _iterator = Object.keys(obj)[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true){
            var key = _step.value;
            if (value === obj[key]) {
                return true;
            }
        }
    } catch (err) {
        _didIteratorError = true;
        _iteratorError = err;
    } finally{
        try {
            if (!_iteratorNormalCompletion && _iterator.return != null) {
                _iterator.return();
            }
        } finally{
            if (_didIteratorError) {
                throw _iteratorError;
            }
        }
    }
    return false;
}
function isInline(node) {
    return hasValue(_inlines.INLINES, node.nodeType);
}
function isBlock(node) {
    return hasValue(_blocks.BLOCKS, node.nodeType);
}
function isText(node) {
    return node.nodeType === 'text';
}
function isEmptyParagraph(node) {
    if (node.nodeType !== _blocks.BLOCKS.PARAGRAPH) {
        return false;
    }
    if (node.content.length !== 1) {
        return false;
    }
    var textNode = node.content[0];
    return textNode.nodeType === 'text' && textNode.value === '';
}
function isValidDocument(document) {
    return document != null && (typeof document === "undefined" ? "undefined" : _type_of(document)) === 'object' && 'content' in document && Array.isArray(document.content);
}
var MIN_NODES_FOR_STRIPPING = 2;
function stripEmptyTrailingParagraphFromDocument(document) {
    if (!isValidDocument(document) || document.content.length < MIN_NODES_FOR_STRIPPING) {
        return document;
    }
    var lastNode = document.content[document.content.length - 1];
    if (isEmptyParagraph(lastNode)) {
        return _object_spread_props(_object_spread({}, document), {
            content: document.content.slice(0, -1)
        });
    }
    return document;
}