253 lines
6.2 KiB
JavaScript
253 lines
6.2 KiB
JavaScript
import { flow } from 'fp-ts/es6/function';
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import { pipe } from 'fp-ts/es6/pipeable';
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import * as _ from './internal';
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// -------------------------------------------------------------------------------------
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// constructors
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// -------------------------------------------------------------------------------------
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/**
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* @category constructors
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* @since 2.3.8
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*/
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export var lens = _.lens;
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/**
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* @category constructors
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* @since 2.3.0
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*/
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export var id = _.lensId;
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// -------------------------------------------------------------------------------------
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// converters
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// -------------------------------------------------------------------------------------
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/**
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* View a `Lens` as a `Optional`.
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*
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* @category converters
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* @since 2.3.0
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*/
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export var asOptional = _.lensAsOptional;
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/**
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* View a `Lens` as a `Traversal`.
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*
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* @category converters
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* @since 2.3.0
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*/
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export var asTraversal = _.lensAsTraversal;
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// -------------------------------------------------------------------------------------
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// compositions
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// -------------------------------------------------------------------------------------
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/**
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* Compose a `Lens` with a `Lens`.
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*
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* @category compositions
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* @since 2.3.0
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*/
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export var compose = _.lensComposeLens;
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/**
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* Alias of `compose`.
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*
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* @category compositions
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* @since 2.3.8
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*/
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export var composeLens = compose;
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/**
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* Compose a `Lens` with a `Iso`.
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*
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* @category compositions
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* @since 2.3.8
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*/
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export var composeIso =
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/*#__PURE__*/
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flow(_.isoAsLens, compose);
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/**
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* Compose a `Lens` with a `Prism`.
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*
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* @category compositions
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* @since 2.3.0
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*/
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export var composePrism = _.lensComposePrism;
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/**
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* Compose a `Lens` with an `Optional`.
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*
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* @category compositions
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* @since 2.3.0
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*/
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export var composeOptional = function (ab) {
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return flow(asOptional, _.optionalComposeOptional(ab));
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};
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/**
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* Compose a `Lens` with an `Traversal`.
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*
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* @category compositions
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* @since 2.3.8
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*/
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export var composeTraversal = function (ab) {
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return flow(asTraversal, _.traversalComposeTraversal(ab));
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};
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// -------------------------------------------------------------------------------------
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// combinators
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// -------------------------------------------------------------------------------------
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/**
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* @category combinators
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* @since 2.3.0
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*/
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export var modify = function (f) { return function (sa) { return function (s) {
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var o = sa.get(s);
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var n = f(o);
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return o === n ? s : sa.set(n)(s);
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}; }; };
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export function modifyF(F) {
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return function (f) { return function (sa) { return function (s) { return pipe(sa.get(s), f, function (fa) { return F.map(fa, function (a) { return sa.set(a)(s); }); }); }; }; };
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}
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/**
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* Return a `Optional` from a `Lens` focused on a nullable value.
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*
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* @category combinators
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* @since 2.3.0
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*/
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export var fromNullable = function (sa) {
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return composePrism(_.prismFromNullable())(sa);
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};
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export function filter(predicate) {
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return composePrism(_.prismFromPredicate(predicate));
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}
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/**
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* Return a `Lens` from a `Lens` and a prop.
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*
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* @category combinators
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* @since 2.3.0
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*/
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export var prop = _.lensProp;
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/**
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* Return a `Lens` from a `Lens` and a list of props.
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*
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* @category combinators
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* @since 2.3.0
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*/
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export var props = _.lensProps;
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/**
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* Return a `Lens` from a `Lens` focused on a component of a tuple.
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*
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* @category combinators
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* @since 2.3.0
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*/
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export var component = _.lensComponent;
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/**
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* Return a `Optional` from a `Lens` focused on an index of a `ReadonlyArray`.
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*
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* @category combinators
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* @since 2.3.0
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*/
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export var index = function (i) {
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return flow(asOptional, _.optionalIndex(i));
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};
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/**
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* Return a `Optional` from a `Lens` focused on an index of a `ReadonlyNonEmptyArray`.
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*
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* @category combinators
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* @since 2.3.8
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*/
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export var indexNonEmpty = function (i) {
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return flow(asOptional, _.optionalIndexNonEmpty(i));
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};
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/**
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* Return a `Optional` from a `Lens` focused on a key of a `ReadonlyRecord`.
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*
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* @category combinators
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* @since 2.3.0
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*/
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export var key = function (key) {
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return flow(asOptional, _.optionalKey(key));
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};
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/**
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* Return a `Lens` from a `Lens` focused on a required key of a `ReadonlyRecord`.
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*
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* @category combinators
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* @since 2.3.0
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*/
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export var atKey = _.lensAtKey;
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/**
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* Return a `Optional` from a `Lens` focused on the `Some` of a `Option` type.
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*
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* @category combinators
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* @since 2.3.0
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*/
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export var some =
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/*#__PURE__*/
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composePrism(/*#__PURE__*/ _.prismSome());
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/**
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* Return a `Optional` from a `Lens` focused on the `Right` of a `Either` type.
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*
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* @category combinators
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* @since 2.3.0
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*/
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export var right =
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/*#__PURE__*/
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composePrism(/*#__PURE__*/ _.prismRight());
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/**
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* Return a `Optional` from a `Lens` focused on the `Left` of a `Either` type.
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*
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* @category combinators
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* @since 2.3.0
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*/
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export var left =
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/*#__PURE__*/
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composePrism(/*#__PURE__*/ _.prismLeft());
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/**
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* Return a `Traversal` from a `Lens` focused on a `Traversable`.
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*
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* @category combinators
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* @since 2.3.0
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*/
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export function traverse(T) {
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return flow(asTraversal, _.traversalTraverse(T));
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}
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export function findFirst(predicate) {
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return composeOptional(_.optionalFindFirst(predicate));
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}
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export function findFirstNonEmpty(predicate) {
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return composeOptional(_.optionalFindFirstNonEmpty(predicate));
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}
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// -------------------------------------------------------------------------------------
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// pipeables
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// -------------------------------------------------------------------------------------
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/**
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* @category Invariant
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* @since 2.3.0
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*/
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export var imap = function (f, g) { return function (ea) {
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return imap_(ea, f, g);
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}; };
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// -------------------------------------------------------------------------------------
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// instances
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// -------------------------------------------------------------------------------------
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var imap_ = function (ea, ab, ba) { return lens(flow(ea.get, ab), flow(ba, ea.set)); };
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/**
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* @category instances
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* @since 2.3.0
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*/
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export var URI = 'monocle-ts/Lens';
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/**
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* @category instances
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* @since 2.3.0
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*/
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export var Invariant = {
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URI: URI,
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imap: imap_
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};
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/**
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* @category instances
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* @since 2.3.8
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*/
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export var Semigroupoid = {
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URI: URI,
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compose: function (ab, ea) { return compose(ab)(ea); }
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};
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/**
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* @category instances
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* @since 2.3.0
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*/
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export var Category = {
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URI: URI,
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compose: Semigroupoid.compose,
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id: id
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};
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