1 | var pipe =
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2 | /*#__PURE__*/
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3 | require("./pipe");
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4 |
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5 | var reverse =
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6 | /*#__PURE__*/
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7 | require("./reverse");
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8 | /**
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9 | * Performs right-to-left function composition. The last argument may have
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10 | * any arity; the remaining arguments must be unary.
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11 | *
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12 | * **Note:** The result of compose is not automatically curried.
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13 | *
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14 | * @func
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15 | * @memberOf R
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16 | * @since v0.1.0
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17 | * @category Function
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18 | * @sig ((y -> z), (x -> y), ..., (o -> p), ((a, b, ..., n) -> o)) -> ((a, b, ..., n) -> z)
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19 | * @param {...Function} ...functions The functions to compose
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20 | * @return {Function}
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21 | * @see R.pipe
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22 | * @example
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23 | *
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24 | * const classyGreeting = (firstName, lastName) => "The name's " + lastName + ", " + firstName + " " + lastName
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25 | * const yellGreeting = R.compose(R.toUpper, classyGreeting);
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26 | * yellGreeting('James', 'Bond'); //=> "THE NAME'S BOND, JAMES BOND"
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27 | *
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28 | * R.compose(Math.abs, R.add(1), R.multiply(2))(-4) //=> 7
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29 | *
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30 | * @symb R.compose(f, g, h)(a, b) = f(g(h(a, b)))
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31 | */
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32 |
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33 |
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34 | function compose() {
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35 | if (arguments.length === 0) {
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36 | throw new Error('compose requires at least one argument');
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37 | }
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38 |
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39 | return pipe.apply(this, reverse(arguments));
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40 | }
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41 |
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42 | module.exports = compose; |
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