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Simplify methods like _.defer and _.once.

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John-David Dalton
2014-12-15 17:17:35 -08:00
parent 1b8ca164c9
commit 7405e3c12a
1 changed files with 6 additions and 14 deletions
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20
lodash.js
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@@ -3007,7 +3007,7 @@
func = thisBinding[key]; func = thisBinding[key];
} }
if (argPos) { if (argPos) {
args = arrayReduceRight(argPos, reorder, args); args = reorder(args, argPos);
} }
if (isAry && ary < args.length) { if (isAry && ary < args.length) {
args.length = ary; args.length = ary;
@@ -3533,13 +3533,13 @@
var isAry = bitmask & ARY_FLAG && !(srcBitmask & ARY_FLAG), var isAry = bitmask & ARY_FLAG && !(srcBitmask & ARY_FLAG),
isRearg = bitmask & REARG_FLAG && !(srcBitmask & REARG_FLAG), isRearg = bitmask & REARG_FLAG && !(srcBitmask & REARG_FLAG),
argPos = (isRearg ? data : source)[7], argPos = (isRearg ? data : source)[7],
ary = (isAry ? data : source)[9]; ary = (isAry ? data : source)[8];
var isCommon = !(bitmask >= REARG_FLAG && srcBitmask > bindFlags) && var isCommon = !(bitmask >= REARG_FLAG && srcBitmask > bindFlags) &&
!(bitmask > bindFlags && srcBitmask >= REARG_FLAG); !(bitmask > bindFlags && srcBitmask >= REARG_FLAG);
var isCombo = (newBitmask >= arityFlags && newBitmask <= comboFlags) && var isCombo = (newBitmask >= arityFlags && newBitmask <= comboFlags) &&
(bitmask < REARG_FLAG || ((isRearg || isAry) && argPos[0].length <= ary)); (bitmask < REARG_FLAG || ((isRearg || isAry) && argPos.length <= ary));
// Exit early if metadata can't be merged. // Exit early if metadata can't be merged.
if (!(isCommon || isCombo)) { if (!(isCommon || isCombo)) {
@@ -6919,13 +6919,7 @@
* _.defer(function(text) { console.log(text); }, 'deferred'); * _.defer(function(text) { console.log(text); }, 'deferred');
* // logs 'deferred' after one or more milliseconds * // logs 'deferred' after one or more milliseconds
*/ */
function defer(func) { var defer = partial(delay, partial.placeholder, 1);
if (!isFunction(func)) {
throw new TypeError(FUNC_ERROR_TEXT);
}
var args = arguments;
return setTimeout(function() { func.apply(undefined, slice(args, 1)); }, 1);
}
/** /**
* Invokes `func` after `wait` milliseconds. Any additional arguments are * Invokes `func` after `wait` milliseconds. Any additional arguments are
@@ -7148,7 +7142,7 @@
* initialize(); * initialize();
* // `initialize` invokes `createApplication` once * // `initialize` invokes `createApplication` once
*/ */
var once = createWrapper(before, PARTIAL_FLAG, null, [2]); var once = partial(before, 2);
/** /**
* Creates a function that invokes `func` with `partial` arguments prepended * Creates a function that invokes `func` with `partial` arguments prepended
@@ -7255,9 +7249,7 @@
*/ */
function rearg(func) { function rearg(func) {
var indexes = baseFlatten(arguments, false, false, 1); var indexes = baseFlatten(arguments, false, false, 1);
return indexes.length return createWrapper(func, REARG_FLAG, null, null, null, indexes);
? createWrapper(func, REARG_FLAG, null, null, null, [indexes])
: createWrapper(func);
} }
/** /**