init component
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167
node_modules/fp-ts/lib/boolean.js
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167
node_modules/fp-ts/lib/boolean.js
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.Show = exports.Ord = exports.MonoidAny = exports.MonoidAll = exports.SemigroupAny = exports.SemigroupAll = exports.BooleanAlgebra = exports.Eq = exports.fold = exports.match = exports.foldW = exports.matchW = exports.isBoolean = void 0;
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// -------------------------------------------------------------------------------------
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// refinements
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// -------------------------------------------------------------------------------------
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/**
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* @category refinements
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* @since 2.11.0
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*/
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var isBoolean = function (u) { return typeof u === 'boolean'; };
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exports.isBoolean = isBoolean;
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/**
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* Less strict version of [`match`](#match).
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*
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* The `W` suffix (short for **W**idening) means that the handler return types will be merged.
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*
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* @category pattern matching
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* @since 2.10.0
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*/
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var matchW = function (onFalse, onTrue) {
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return function (value) {
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return value ? onTrue() : onFalse();
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};
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};
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exports.matchW = matchW;
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/**
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* Alias of [`matchW`](#matchw).
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*
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* @category pattern matching
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* @since 2.10.0
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*/
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exports.foldW = exports.matchW;
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/**
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* Defines the fold over a boolean value.
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* Takes two thunks `onTrue`, `onFalse` and a `boolean` value.
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* If `value` is false, `onFalse()` is returned, otherwise `onTrue()`.
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*
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* @example
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* import { some, map } from 'fp-ts/Option'
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* import { pipe } from 'fp-ts/function'
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* import { match } from 'fp-ts/boolean'
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*
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* assert.deepStrictEqual(
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* pipe(
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* some(true),
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* map(match(() => 'false', () => 'true'))
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* ),
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* some('true')
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* )
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*
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* @category pattern matching
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* @since 2.10.0
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*/
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exports.match = exports.foldW;
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/**
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* Alias of [`match`](#match).
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*
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* @category pattern matching
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* @since 2.2.0
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*/
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exports.fold = exports.match;
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// -------------------------------------------------------------------------------------
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// instances
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// -------------------------------------------------------------------------------------
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/**
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* @category instances
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* @since 2.10.0
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*/
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exports.Eq = {
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equals: function (first, second) { return first === second; }
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};
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/**
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* @category instances
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* @since 2.10.0
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*/
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exports.BooleanAlgebra = {
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meet: function (first, second) { return first && second; },
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join: function (first, second) { return first || second; },
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zero: false,
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one: true,
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implies: function (first, second) { return !first || second; },
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not: function (b) { return !b; }
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};
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/**
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* `boolean` semigroup under conjunction.
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*
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* @example
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* import { SemigroupAll } from 'fp-ts/boolean'
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*
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* assert.deepStrictEqual(SemigroupAll.concat(true, true), true)
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* assert.deepStrictEqual(SemigroupAll.concat(true, false), false)
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*
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* @category instances
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* @since 2.10.0
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*/
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exports.SemigroupAll = {
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concat: function (first, second) { return first && second; }
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};
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/**
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* `boolean` semigroup under disjunction.
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*
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* @example
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* import { SemigroupAny } from 'fp-ts/boolean'
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*
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* assert.deepStrictEqual(SemigroupAny.concat(true, true), true)
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* assert.deepStrictEqual(SemigroupAny.concat(true, false), true)
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* assert.deepStrictEqual(SemigroupAny.concat(false, false), false)
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*
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* @category instances
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* @since 2.10.0
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*/
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exports.SemigroupAny = {
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concat: function (first, second) { return first || second; }
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};
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/**
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* `boolean` monoid under conjunction.
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*
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* The `empty` value is `true`.
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*
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* @example
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* import { MonoidAll } from 'fp-ts/boolean'
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*
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* assert.deepStrictEqual(MonoidAll.concat(true, true), true)
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* assert.deepStrictEqual(MonoidAll.concat(true, false), false)
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*
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* @category instances
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* @since 2.10.0
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*/
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exports.MonoidAll = {
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concat: exports.SemigroupAll.concat,
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empty: true
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};
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/**
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* `boolean` monoid under disjunction.
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*
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* The `empty` value is `false`.
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*
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* @example
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* import { MonoidAny } from 'fp-ts/boolean'
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*
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* assert.deepStrictEqual(MonoidAny.concat(true, true), true)
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* assert.deepStrictEqual(MonoidAny.concat(true, false), true)
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* assert.deepStrictEqual(MonoidAny.concat(false, false), false)
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*
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* @category instances
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* @since 2.10.0
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*/
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exports.MonoidAny = {
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concat: exports.SemigroupAny.concat,
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empty: false
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};
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/**
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* @category instances
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* @since 2.10.0
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*/
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exports.Ord = {
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equals: exports.Eq.equals,
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compare: function (first, second) { return (first < second ? -1 : first > second ? 1 : 0); }
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};
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/**
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* @category instances
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* @since 2.10.0
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*/
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exports.Show = {
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show: function (b) { return JSON.stringify(b); }
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};
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