memory-orm/lib/set.js

client side ORM + map reduce

'use strict'
Object.defineProperty(exports, '__esModule', { value: true })
exports.Set = void 0
const mem_1 = require('./mem')
class Set {
  constructor({ $name, all, model }) {
    this.set = f_common('reset')
    this.reset = f_common('reset')
    this.merge = f_common('merge')
    this.add = f_item(f_common('merge'))
    this.append = f_item(f_common('merge'))
    this.reject = f_common('remove')
    this.del = f_item(f_common('remove'))
    this.remove = f_item(f_common('remove'))
    this.updates = f_update
    this.update = f_item(f_update)
    this.clear_cache = f_clear
    this.refresh = f_clear
    this.rehash = f_clear
    this.$name = $name
    this.model = model
    this.all = all
    this.finder = all._finder
  }
  find(...ids) {
    const meta = mem_1.State.meta()
    const journal = mem_1.State.journal(this.$name.list)
    for (const id of ids) {
      const o = this.all.$memory[id]
      if (!o) continue
      o.meta = meta
      journal.$memory[id] = o
      this.clear_cache(true)
      return o.item
    }
    return null
  }
}
exports.Set = Set
function f_common(type) {
  return function (list, parent) {
    const is_hit = this.finder.data_set(type, list, parent)
    this.clear_cache(is_hit)
  }
}
function f_update(list, parent) {
  if (parent) {
    const is_hit = this.finder.data_set('update', list, parent)
    this.clear_cache(is_hit)
  }
}
function f_item(cb) {
  return function (item, parent) {
    if (item) {
      cb.call(this, [item], parent)
    }
  }
}
function f_clear(is_hit = true) {
  if (is_hit) {
    for (const name of this.$name.depends) {
      mem_1.State.notify(name)
    }
  }
}
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