superfly-timeline/dist/resolver/lib/reference.js

Resolver for defining objects with temporal boolean logic relationships on a timeline

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.isReference = exports.joinReferences = exports.getRefInstanceId = exports.isInstanceReference = exports.getRefLayer = exports.isLayerReference = exports.getRefClass = exports.isClassReference = exports.isParentReference = exports.getRefObjectId = exports.isObjectReference = void 0;
const lib_1 = require("./lib");
const performance_1 = require("./performance");
/*
 * References are strings that are added to instances,
 * to indicate what objects, layers or classes they are derived from.
 */
function isObjectReference(ref) {
    return ref.startsWith('#');
}
exports.isObjectReference = isObjectReference;
function getRefObjectId(ref) {
    return ref.slice(1);
}
exports.getRefObjectId = getRefObjectId;
function isParentReference(ref) {
    return ref == '##parent';
}
exports.isParentReference = isParentReference;
function isClassReference(ref) {
    return ref.startsWith('.');
}
exports.isClassReference = isClassReference;
function getRefClass(ref) {
    return ref.slice(1);
}
exports.getRefClass = getRefClass;
function isLayerReference(ref) {
    return ref.startsWith('$');
}
exports.isLayerReference = isLayerReference;
function getRefLayer(ref) {
    return ref.slice(1);
}
exports.getRefLayer = getRefLayer;
function isInstanceReference(ref) {
    return ref.startsWith('@');
}
exports.isInstanceReference = isInstanceReference;
function getRefInstanceId(ref) {
    return ref.slice(1);
}
exports.getRefInstanceId = getRefInstanceId;
/** Add / join references Arrays. Returns a sorted list of unique references */
function joinReferences(references, ...addReferences) {
    const toc = (0, performance_1.tic)('     joinReferences');
    // Fast path: When nothing is added, return the original references:
    if (addReferences.length === 1 && typeof addReferences[0] !== 'string' && addReferences[0].length === 0) {
        return [...references];
    }
    let fastPath = false;
    let resultingRefs = [];
    // Fast path: When a single ref is added
    if (addReferences.length === 1 && typeof addReferences[0] === 'string') {
        if (references.includes(addReferences[0])) {
            // The value already exists, return the original references:
            return [...references];
        }
        else {
            // just quickly add the reference and jump forward to sorting of resultingRefs:
            resultingRefs = [...references];
            resultingRefs.push(addReferences[0]);
            fastPath = true;
        }
    }
    if (!fastPath) {
        const refSet = new Set();
        for (const ref of references) {
            if (!refSet.has(ref)) {
                refSet.add(ref);
                resultingRefs.push(ref);
            }
        }
        for (const addReference of addReferences) {
            if (typeof addReference === 'string') {
                if (!refSet.has(addReference)) {
                    refSet.add(addReference);
                    resultingRefs.push(addReference);
                }
            }
            else {
                for (const ref of addReference) {
                    if (!refSet.has(ref)) {
                        refSet.add(ref);
                        resultingRefs.push(ref);
                    }
                }
            }
        }
    }
    resultingRefs.sort(lib_1.compareStrings);
    toc();
    return resultingRefs;
}
exports.joinReferences = joinReferences;
function isReference(ref) {
    return ref !== null && typeof ref.value === 'number';
}
exports.isReference = isReference;
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