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Simplify _.debounce and _.throttle for the underscore build.

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Former-commit-id: 56dc526cf71130084651d06b8caadce573471131
This commit is contained in:
John-David Dalton
2013-04-16 01:52:47 -07:00
parent 562b4eb531
commit c3ac172960
3 changed files with 104 additions and 60 deletions
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65
build.js
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@@ -2059,6 +2059,36 @@
'}'
].join('\n'));
// replace `_.debounce`
source = replaceFunction(source, 'debounce', [
'function debounce(func, wait, immediate) {',
' var args,',
' result,',
' thisArg,',
' timeoutId;',
'',
' function delayed() {',
' timeoutId = null;',
' if (!immediate) {',
' result = func.apply(thisArg, args);',
' }',
' }',
' return function() {',
' var isImmediate = immediate && !timeoutId;',
' args = arguments;',
' thisArg = this;',
'',
' clearTimeout(timeoutId);',
' timeoutId = setTimeout(delayed, wait);',
'',
' if (isImmediate) {',
' result = func.apply(thisArg, args);',
' }',
' return result;',
' };',
'}'
].join('\n'));
// replace `_.defaults`
source = replaceFunction(source, 'defaults', [
'function defaults(object) {',
@@ -2374,6 +2404,41 @@
'}'
].join('\n'));
// replace `_.throttle`
source = replaceFunction(source, 'throttle', [
'function throttle(func, wait) {',
' var args,',
' result,',
' thisArg,',
' timeoutId,',
' lastCalled = 0;',
'',
' function trailingCall() {',
' lastCalled = new Date;',
' timeoutId = null;',
' result = func.apply(thisArg, args);',
' }',
' return function() {',
' var now = new Date,',
' remaining = wait - (now - lastCalled);',
'',
' args = arguments;',
' thisArg = this;',
'',
' if (remaining <= 0) {',
' clearTimeout(timeoutId);',
' timeoutId = null;',
' lastCalled = now;',
' result = func.apply(thisArg, args);',
' }',
' else if (!timeoutId) {',
' timeoutId = setTimeout(trailingCall, remaining);',
' }',
' return result;',
' };',
'}'
].join('\n'));
// replace `_.times`
source = replaceFunction(source, 'times', [
'function times(n, callback, thisArg) {',