320 lines
10 KiB
JavaScript
320 lines
10 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.withReturnType = exports.whenOr = exports.whenAnd = exports.when = exports.valueTags = exports.value = exports.typeTags = exports.type = exports.tagsExhaustive = exports.tags = exports.tagStartsWith = exports.tag = exports.orElseAbsurd = exports.orElse = exports.option = exports.not = exports.nonEmptyString = exports.is = exports.instanceOfUnsafe = exports.instanceOf = exports.exhaustive = exports.either = exports.discriminatorsExhaustive = exports.discriminators = exports.discriminatorStartsWith = exports.discriminator = exports.defined = exports.any = exports.TypeId = void 0;
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var Either = _interopRequireWildcard(require("../Either.js"));
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var _Function = require("../Function.js");
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var Option = _interopRequireWildcard(require("../Option.js"));
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var _Pipeable = require("../Pipeable.js");
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function _interopRequireWildcard(e, t) { if ("function" == typeof WeakMap) var r = new WeakMap(), n = new WeakMap(); return (_interopRequireWildcard = function (e, t) { if (!t && e && e.__esModule) return e; var o, i, f = { __proto__: null, default: e }; if (null === e || "object" != typeof e && "function" != typeof e) return f; if (o = t ? n : r) { if (o.has(e)) return o.get(e); o.set(e, f); } for (const t in e) "default" !== t && {}.hasOwnProperty.call(e, t) && ((i = (o = Object.defineProperty) && Object.getOwnPropertyDescriptor(e, t)) && (i.get || i.set) ? o(f, t, i) : f[t] = e[t]); return f; })(e, t); }
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/** @internal */
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const TypeId = exports.TypeId = /*#__PURE__*/Symbol.for("@effect/matcher/Matcher");
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const TypeMatcherProto = {
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[TypeId]: {
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_input: _Function.identity,
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_filters: _Function.identity,
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_remaining: _Function.identity,
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_result: _Function.identity,
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_return: _Function.identity
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},
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_tag: "TypeMatcher",
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add(_case) {
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return makeTypeMatcher([...this.cases, _case]);
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},
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pipe() {
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return (0, _Pipeable.pipeArguments)(this, arguments);
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}
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};
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function makeTypeMatcher(cases) {
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const matcher = Object.create(TypeMatcherProto);
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matcher.cases = cases;
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return matcher;
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}
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const ValueMatcherProto = {
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[TypeId]: {
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_input: _Function.identity,
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_filters: _Function.identity,
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_remaining: _Function.identity,
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_result: _Function.identity,
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_provided: _Function.identity,
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_return: _Function.identity
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},
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_tag: "ValueMatcher",
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add(_case) {
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if (this.value._tag === "Right") {
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return this;
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}
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if (_case._tag === "When" && _case.guard(this.provided) === true) {
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return makeValueMatcher(this.provided, Either.right(_case.evaluate(this.provided)));
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} else if (_case._tag === "Not" && _case.guard(this.provided) === false) {
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return makeValueMatcher(this.provided, Either.right(_case.evaluate(this.provided)));
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}
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return this;
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},
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pipe() {
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return (0, _Pipeable.pipeArguments)(this, arguments);
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}
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};
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function makeValueMatcher(provided, value) {
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const matcher = Object.create(ValueMatcherProto);
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matcher.provided = provided;
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matcher.value = value;
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return matcher;
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}
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const makeWhen = (guard, evaluate) => ({
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_tag: "When",
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guard,
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evaluate
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});
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const makeNot = (guard, evaluate) => ({
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_tag: "Not",
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guard,
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evaluate
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});
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const makePredicate = pattern => {
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if (typeof pattern === "function") {
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return pattern;
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} else if (Array.isArray(pattern)) {
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const predicates = pattern.map(makePredicate);
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const len = predicates.length;
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return u => {
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if (!Array.isArray(u)) {
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return false;
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}
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for (let i = 0; i < len; i++) {
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if (predicates[i](u[i]) === false) {
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return false;
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}
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}
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return true;
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};
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} else if (pattern !== null && typeof pattern === "object") {
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const keysAndPredicates = Object.entries(pattern).map(([k, p]) => [k, makePredicate(p)]);
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const len = keysAndPredicates.length;
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return u => {
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if (typeof u !== "object" || u === null) {
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return false;
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}
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for (let i = 0; i < len; i++) {
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const [key, predicate] = keysAndPredicates[i];
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if (!(key in u) || predicate(u[key]) === false) {
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return false;
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}
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}
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return true;
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};
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}
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return u => u === pattern;
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};
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const makeOrPredicate = patterns => {
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const predicates = patterns.map(makePredicate);
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const len = predicates.length;
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return u => {
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for (let i = 0; i < len; i++) {
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if (predicates[i](u) === true) {
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return true;
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}
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}
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return false;
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};
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};
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const makeAndPredicate = patterns => {
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const predicates = patterns.map(makePredicate);
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const len = predicates.length;
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return u => {
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for (let i = 0; i < len; i++) {
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if (predicates[i](u) === false) {
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return false;
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}
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}
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return true;
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};
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};
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/** @internal */
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const type = () => makeTypeMatcher([]);
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/** @internal */
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exports.type = type;
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const value = i => makeValueMatcher(i, Either.left(i));
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/** @internal */
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exports.value = value;
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const valueTags = exports.valueTags = /*#__PURE__*/(0, _Function.dual)(2, (input, fields) => {
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const match = tagsExhaustive(fields)(makeTypeMatcher([]));
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return match(input);
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});
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/** @internal */
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const typeTags = () => fields => {
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const match = tagsExhaustive(fields)(makeTypeMatcher([]));
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return input => match(input);
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};
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/** @internal */
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exports.typeTags = typeTags;
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const withReturnType = () => self => self;
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/** @internal */
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exports.withReturnType = withReturnType;
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const when = (pattern, f) => self => self.add(makeWhen(makePredicate(pattern), f));
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/** @internal */
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exports.when = when;
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const whenOr = (...args) => self => {
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const onMatch = args[args.length - 1];
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const patterns = args.slice(0, -1);
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return self.add(makeWhen(makeOrPredicate(patterns), onMatch));
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};
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/** @internal */
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exports.whenOr = whenOr;
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const whenAnd = (...args) => self => {
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const onMatch = args[args.length - 1];
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const patterns = args.slice(0, -1);
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return self.add(makeWhen(makeAndPredicate(patterns), onMatch));
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};
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/** @internal */
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exports.whenAnd = whenAnd;
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const discriminator = field => (...pattern) => {
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const f = pattern[pattern.length - 1];
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const values = pattern.slice(0, -1);
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const pred = values.length === 1 ? _ => _[field] === values[0] : _ => values.includes(_[field]);
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return self => self.add(makeWhen(pred, f));
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};
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/** @internal */
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exports.discriminator = discriminator;
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const discriminatorStartsWith = field => (pattern, f) => {
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const pred = _ => typeof _[field] === "string" && _[field].startsWith(pattern);
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return self => self.add(makeWhen(pred, f));
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};
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/** @internal */
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exports.discriminatorStartsWith = discriminatorStartsWith;
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const discriminators = field => fields => {
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const predicate = makeWhen(arg => arg != null && arg[field] in fields, data => fields[data[field]](data));
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return self => self.add(predicate);
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};
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/** @internal */
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exports.discriminators = discriminators;
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const discriminatorsExhaustive = field => fields => {
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const addCases = discriminators(field)(fields);
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return matcher => exhaustive(addCases(matcher));
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};
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/** @internal */
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exports.discriminatorsExhaustive = discriminatorsExhaustive;
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const tag = exports.tag = /*#__PURE__*/discriminator("_tag");
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/** @internal */
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const tagStartsWith = exports.tagStartsWith = /*#__PURE__*/discriminatorStartsWith("_tag");
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/** @internal */
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const tags = exports.tags = /*#__PURE__*/discriminators("_tag");
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/** @internal */
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const tagsExhaustive = exports.tagsExhaustive = /*#__PURE__*/discriminatorsExhaustive("_tag");
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/** @internal */
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const not = (pattern, f) => self => self.add(makeNot(makePredicate(pattern), f));
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/** @internal */
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exports.not = not;
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const nonEmptyString = u => typeof u === "string" && u.length > 0;
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/** @internal */
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exports.nonEmptyString = nonEmptyString;
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const is = (...literals) => {
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const len = literals.length;
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return u => {
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for (let i = 0; i < len; i++) {
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if (u === literals[i]) {
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return true;
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}
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}
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return false;
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};
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};
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/** @internal */
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exports.is = is;
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const any = () => true;
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/** @internal */
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exports.any = any;
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const defined = u => u !== undefined && u !== null;
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/** @internal */
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exports.defined = defined;
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const instanceOf = constructor => u => u instanceof constructor;
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/** @internal */
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exports.instanceOf = instanceOf;
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const instanceOfUnsafe = exports.instanceOfUnsafe = instanceOf;
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/** @internal */
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const orElse = f => self => {
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const result = either(self);
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if (Either.isEither(result)) {
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// @ts-expect-error
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return result._tag === "Right" ? result.right : f(result.left);
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}
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// @ts-expect-error
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return input => {
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const a = result(input);
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return a._tag === "Right" ? a.right : f(a.left);
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};
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};
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/** @internal */
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exports.orElse = orElse;
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const orElseAbsurd = self => orElse(() => {
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throw new Error("effect/Match/orElseAbsurd: absurd");
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})(self);
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/** @internal */
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exports.orElseAbsurd = orElseAbsurd;
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const either = self => {
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if (self._tag === "ValueMatcher") {
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return self.value;
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}
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const len = self.cases.length;
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if (len === 1) {
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const _case = self.cases[0];
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return input => {
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if (_case._tag === "When" && _case.guard(input) === true) {
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return Either.right(_case.evaluate(input));
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} else if (_case._tag === "Not" && _case.guard(input) === false) {
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return Either.right(_case.evaluate(input));
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}
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return Either.left(input);
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};
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}
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return input => {
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for (let i = 0; i < len; i++) {
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const _case = self.cases[i];
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if (_case._tag === "When" && _case.guard(input) === true) {
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return Either.right(_case.evaluate(input));
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} else if (_case._tag === "Not" && _case.guard(input) === false) {
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return Either.right(_case.evaluate(input));
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}
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}
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return Either.left(input);
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};
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};
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/** @internal */
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exports.either = either;
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const option = self => {
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const toEither = either(self);
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if (Either.isEither(toEither)) {
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return Either.match(toEither, {
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onLeft: () => Option.none(),
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onRight: Option.some
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});
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}
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return input => Either.match(toEither(input), {
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onLeft: () => Option.none(),
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onRight: Option.some
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});
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};
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exports.option = option;
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const getExhaustiveAbsurdErrorMessage = "effect/Match/exhaustive: absurd";
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/** @internal */
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const exhaustive = self => {
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const toEither = either(self);
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if (Either.isEither(toEither)) {
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if (toEither._tag === "Right") {
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return toEither.right;
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}
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throw new Error(getExhaustiveAbsurdErrorMessage);
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}
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return u => {
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// @ts-expect-error
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const result = toEither(u);
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if (result._tag === "Right") {
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return result.right;
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}
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throw new Error(getExhaustiveAbsurdErrorMessage);
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};
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};
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exports.exhaustive = exhaustive;
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//# sourceMappingURL=matcher.js.map
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