57 lines
1.5 KiB
JavaScript
57 lines
1.5 KiB
JavaScript
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"use strict";
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var test = function (arg1, arg2) { return arg2; };
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try {
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Object.defineProperty(test, "length", {
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configurable: true,
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writable: false,
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enumerable: false,
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value: 1
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});
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}
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catch (ignore) {}
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if (test.length === 1) {
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// ES2015+
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var desc = { configurable: true, writable: false, enumerable: false };
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module.exports = function (length, fn) {
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if (fn.length === length) return fn;
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desc.value = length;
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return Object.defineProperty(fn, "length", desc);
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};
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return;
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}
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module.exports = function (length, fn) {
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if (fn.length === length) return fn;
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switch (length) {
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case 0:
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return function () { return fn.apply(this, arguments); };
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case 1:
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return function (ignored1) { return fn.apply(this, arguments); };
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case 2:
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return function (ignored1, ignored2) { return fn.apply(this, arguments); };
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case 3:
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return function (ignored1, ignored2, ignored3) { return fn.apply(this, arguments); };
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case 4:
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return function (ignored1, ignored2, ignored3, ignored4) {
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return fn.apply(this, arguments);
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};
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case 5:
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return function (ignored1, ignored2, ignored3, ignored4, ignored5) {
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return fn.apply(this, arguments);
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};
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case 6:
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return function (ignored1, ignored2, ignored3, ignored4, ignored5, ignored6) {
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return fn.apply(this, arguments);
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};
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case 7:
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return function (ignored1, ignored2, ignored3, ignored4, ignored5, ignored6, ignored7) {
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return fn.apply(this, arguments);
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};
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default:
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throw new Error("Usupported function length");
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}
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};
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