string storage

Installation

$ npm i micro-str

About

micro-str is a small and opinionated string(/json) storage library featuring soft-deletion without any additional dependencies.

store functions

get(id, alias)

retrieve the the with the id

• <= id (number); id of the entity
• <= alias (string); alias/key of the entity
• => entity

fetch(alias)

Fetch all entities with the given key

• <= alias (string); name of the key
• => entity[]

create(key, value)

create an entity with key and value

• <= key (string); name of the key
• <= value (string); value to save as an entity
• => entity

commit()

permanently save the previously created entities

• <= key (string); name of the key
• <= value (string); value to save as an entity
• => Boolean; if false, saving entities failed

flush()

delete all not-saved newly created entities

• => undefined

entity functions

load()

load permanently saved value from disk

• => Boolean; if false, entity is not saved permanently == nothing to load

save()

permanently save the entity to the disk

• => Boolean; if false, there is nothing to save or value === old value

remove()

softdelete entity from store

• => Boolean; if false, nothing got softdeleted

id()

get id of entity

• => Number

key()

get key of entity

• => string

value(value = null)

if value parameter empty, get current value, else set new value

• <= value (string); desired value
• => string; the old or set value

dirty(value = null)

if value parameter empty, get current dirty flag, else set dirty flag (dirty entities are altered and are not the same as the actual values on the disk. non-dirty entities are excluded from the save process)

• <= value (string); desired value
• => string

permanent()

get the current state of the entity. if true, the entity is saved to the disk.

• => Boolean

Examples

const storeFactory = require('micro-str');
const store = storeFactory('./store');

store.create('foo', 'bar');
store.create('foo', 'baz');
store.commit();

const entities = store.fetch('foo');

for(const entity of entities) {
    console.log(entity.value())
}