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Rich Trott
d7aa8fa088
Update ESLint to 2.1.0. ESLint has a number of potentially-useful new features but this change attempts to be minimal in its changes. However, some things could not be avoided reasonably. ESLint 2.1.0 found a few lint issues that ESLing 1.x missed with template strings that did not take advantage of any features of template strings, and `let` declarations where `const` sufficed. Additionally, ESLint 2.1.0 removes some granularity around enabling ES6 features. Some features (e.g., spread operator) that had been turned off in our configuration for ESLint 1.x are now permitted. PR-URL: https://github.com/nodejs/node/pull/5214 Reviewed-By: Michaël Zasso <mic.besace@gmail.com> Reviewed-By: jbergstroem - Johan Bergström <bugs@bergstroem.nu> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Roman Reiss <me@silverwind.io> Reviewed-By: Myles Borins <myles.borins@gmail.com>
54 lines
2.0 KiB
JavaScript
54 lines
2.0 KiB
JavaScript
var copyArray = require('./_copyArray'),
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isLaziable = require('./_isLaziable'),
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setData = require('./_setData');
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/** Used to compose bitmasks for wrapper metadata. */
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var BIND_FLAG = 1,
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BIND_KEY_FLAG = 2,
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CURRY_BOUND_FLAG = 4,
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CURRY_FLAG = 8,
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PARTIAL_FLAG = 32,
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PARTIAL_RIGHT_FLAG = 64;
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/**
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* Creates a function that wraps `func` to continue currying.
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*
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* @private
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* @param {Function} func The function to wrap.
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* @param {number} bitmask The bitmask of wrapper flags. See `createWrapper` for more details.
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* @param {Function} wrapFunc The function to create the `func` wrapper.
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* @param {*} placeholder The placeholder to replace.
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* @param {*} [thisArg] The `this` binding of `func`.
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* @param {Array} [partials] The arguments to prepend to those provided to the new function.
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* @param {Array} [holders] The `partials` placeholder indexes.
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* @param {Array} [argPos] The argument positions of the new function.
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* @param {number} [ary] The arity cap of `func`.
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* @param {number} [arity] The arity of `func`.
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* @returns {Function} Returns the new wrapped function.
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*/
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function createRecurryWrapper(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary, arity) {
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var isCurry = bitmask & CURRY_FLAG,
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newArgPos = argPos ? copyArray(argPos) : undefined,
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newsHolders = isCurry ? holders : undefined,
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newHoldersRight = isCurry ? undefined : holders,
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newPartials = isCurry ? partials : undefined,
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newPartialsRight = isCurry ? undefined : partials;
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bitmask |= (isCurry ? PARTIAL_FLAG : PARTIAL_RIGHT_FLAG);
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bitmask &= ~(isCurry ? PARTIAL_RIGHT_FLAG : PARTIAL_FLAG);
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if (!(bitmask & CURRY_BOUND_FLAG)) {
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bitmask &= ~(BIND_FLAG | BIND_KEY_FLAG);
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}
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var newData = [func, bitmask, thisArg, newPartials, newsHolders, newPartialsRight, newHoldersRight, newArgPos, ary, arity],
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result = wrapFunc.apply(undefined, newData);
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if (isLaziable(func)) {
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setData(result, newData);
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}
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result.placeholder = placeholder;
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return result;
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}
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module.exports = createRecurryWrapper;
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