nukak
Version:
flexible and efficient ORM, with declarative JSON syntax and smart type-safety
93 lines • 13 kB
JavaScript
import { getKeys } from '../util/index.js';
import { QueryRaw, } from '../type/index.js';
export function filterFieldKeys(meta, payload, callbackKey) {
const persistableKeys = getKeys(payload).filter((key) => {
const fieldOpts = meta.fields[key];
return fieldOpts && (callbackKey !== 'onUpdate' || (fieldOpts.updatable ?? true));
});
return persistableKeys;
}
export function getFieldCallbackValue(val) {
return typeof val === 'function' ? val() : val;
}
export function fillOnFields(meta, payload, callbackKey) {
const payloads = Array.isArray(payload) ? payload : [payload];
const keys = getKeys(meta.fields).filter((key) => meta.fields[key][callbackKey]);
return payloads.map((it) => {
for (const key of keys) {
if (it[key] === undefined) {
it[key] = getFieldCallbackValue(meta.fields[key][callbackKey]);
}
}
return it;
});
}
export function filterPersistableRelationKeys(meta, payload, action) {
const keys = getKeys(payload);
return keys.filter((key) => {
const relOpts = meta.relations[key];
return relOpts && isCascadable(action, relOpts.cascade);
});
}
export function isCascadable(action, configuration) {
if (typeof configuration === 'boolean') {
return configuration;
}
return configuration === action;
}
export function filterRelationKeys(meta, select) {
const keys = filterPositiveKeys(select);
return keys.filter((key) => key in meta.relations);
}
export function isSelectingRelations(meta, select) {
const keys = filterPositiveKeys(select);
return keys.some((key) => key in meta.relations);
}
function filterPositiveKeys(select) {
if (Array.isArray(select)) {
return select;
}
return getKeys(select).filter((key) => select[key]);
}
export function buildSortMap(sort) {
if (Array.isArray(sort)) {
return sort.reduce((acc, it) => {
if (Array.isArray(it)) {
acc[it[0]] = it[1];
}
else {
acc[it.field] = it.sort;
}
return acc;
}, {});
}
return sort;
}
export function augmentWhere(meta, target = {}, source = {}) {
const targetComparison = buldQueryWhereAsMap(meta, target);
const sourceComparison = buldQueryWhereAsMap(meta, source);
return {
...targetComparison,
...sourceComparison,
};
}
export function buldQueryWhereAsMap(meta, filter = {}) {
if (filter instanceof QueryRaw) {
return { $and: [filter] };
}
if (isIdValue(filter)) {
return {
[meta.id]: filter,
};
}
return filter;
}
function isIdValue(filter) {
const type = typeof filter;
return (type === 'string' ||
type === 'number' ||
type === 'bigint' ||
typeof filter.toHexString === 'function' ||
Array.isArray(filter));
}
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true));\n  }) as FieldKey<E>[];\n  return persistableKeys;\n}\n\nexport function getFieldCallbackValue(val: OnFieldCallback) {\n  return typeof val === 'function' ? val() : val;\n}\n\nexport function fillOnFields<E>(meta: EntityMeta<E>, payload: E | E[], callbackKey: CallbackKey): E[] {\n  const payloads = Array.isArray(payload) ? payload : [payload];\n  const keys = getKeys(meta.fields).filter((key) => meta.fields[key][callbackKey]);\n  return payloads.map((it) => {\n    for (const key of keys) {\n      if (it[key] === undefined) {\n        it[key] = getFieldCallbackValue(meta.fields[key][callbackKey]);\n      }\n    }\n    return it;\n  });\n}\n\nexport function filterPersistableRelationKeys<E>(\n  meta: EntityMeta<E>,\n  payload: E,\n  action: CascadeType,\n): RelationKey<E>[] {\n  const keys = getKeys(payload);\n  return keys.filter((key) => {\n    const relOpts = meta.relations[key as RelationKey<E>];\n    return relOpts && isCascadable(action, relOpts.cascade);\n  }) as RelationKey<E>[];\n}\n\nexport function isCascadable(action: CascadeType, configuration?: boolean | CascadeType): boolean {\n  if (typeof configuration === 'boolean') {\n    return configuration;\n  }\n  return configuration === action;\n}\n\nexport function filterRelationKeys<E>(meta: EntityMeta<E>, select: QuerySelect<E>): RelationKey<E>[] {\n  const keys = filterPositiveKeys(select);\n  return keys.filter((key) => key in meta.relations) as RelationKey<E>[];\n}\n\nexport function isSelectingRelations<E>(meta: EntityMeta<E>, select: QuerySelect<E>): boolean {\n  const keys = filterPositiveKeys(select);\n  return keys.some((key) => key in meta.relations);\n}\n\nfunction filterPositiveKeys<E>(select: QuerySelect<E>): Key<E>[] {\n  if (Array.isArray(select)) {\n    return select as Key<E>[];\n  }\n  return getKeys(select).filter((key) => select[key]) as Key<E>[];\n}\n\nexport function buildSortMap<E>(sort: QuerySort<E>): QuerySortMap<E> {\n  if (Array.isArray(sort)) {\n    return sort.reduce((acc, it) => {\n      if (Array.isArray(it)) {\n        acc[it[0]] = it[1];\n      } else {\n        acc[it.field] = it.sort;\n      }\n      return acc;\n    }, {} as QuerySortMap<E>);\n  }\n  return sort as QuerySortMap<E>;\n}\n\nexport function augmentWhere<E>(\n  meta: EntityMeta<E>,\n  target: QueryWhere<E> = {},\n  source: QueryWhere<E> = {},\n): QueryWhere<E> {\n  const targetComparison = buldQueryWhereAsMap(meta, target);\n  const sourceComparison = buldQueryWhereAsMap(meta, source);\n  return {\n    ...targetComparison,\n    ...sourceComparison,\n  };\n}\n\nexport function buldQueryWhereAsMap<E>(meta: EntityMeta<E>, filter: QueryWhere<E> = {}): QueryWhereMap<E> {\n  if (filter instanceof QueryRaw) {\n    return { $and: [filter] } as QueryWhereMap<E>;\n  }\n  if (isIdValue(filter)) {\n    return {\n      [meta.id]: filter,\n    } as QueryWhereMap<E>;\n  }\n  return filter as QueryWhereMap<E>;\n}\n\nfunction isIdValue<E>(filter: QueryWhere<E>): filter is IdValue<E> | IdValue<E>[] {\n  const type = typeof filter;\n  return (\n    type === 'string' ||\n    type === 'number' ||\n    type === 'bigint' ||\n    typeof (filter as MongoId).toHexString === 'function' ||\n    Array.isArray(filter)\n  );\n}\n"]}