limu/lib/support/inner-data.js

A fast js lib of immutable data, based on shallow copy on read and mark modified on write mechanism

/*---------------------------------------------------------------------------------------------
 *  Licensed under the MIT License.
 *
 *  @Author: fantasticsoul
 *--------------------------------------------------------------------------------------------*/
function getId(idWrap, customPrefix = '') {
    if (idWrap.value >= Number.MAX_SAFE_INTEGER) {
        idWrap.value = 1;
        idWrap.prefixSeed += 1;
    }
    else {
        idWrap.value += 1;
    }
    const { value, prefixSeed } = idWrap;
    const metaVer = `${customPrefix}${prefixSeed}_${value}`;
    return metaVer;
}
export const verWrap = { value: 0, prefixSeed: 1 };
export const idWrap = { value: 0, prefixSeed: 1 };
export const symbolIdWrap = { value: 0, prefixSeed: 1 };
export const sourceIdWrap = { value: 0, prefixSeed: 1 };
export const symbolStrDict = {};
export const strSymbolDict = {};
export function genMetaId() {
    return getId(idWrap, 'MID_');
}
export function genMetaVer() {
    return getId(verWrap, 'MV_');
}
export function genSymbolId() {
    return getId(symbolIdWrap, 'SI_');
}
export function genSourceId() {
    return getId(sourceIdWrap, 'SR_');
}
export const conf = {
    autoFreeze: false,
    autoRevoke: true,
};