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Drop boolean options param support in _.debounce and _.throttle.

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This commit is contained in:
John-David Dalton
2015-07-09 19:51:11 -07:00
parent d58cda122d
commit 8cc19d908e
2 changed files with 27 additions and 48 deletions
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10
lodash.src.js
View File

@@ -7093,6 +7093,7 @@
timeoutId,
trailingCall,
lastCalled = 0,
leading = false,
maxWait = false,
trailing = true;
@@ -7100,10 +7101,7 @@
throw new TypeError(FUNC_ERROR_TEXT);
}
wait = wait < 0 ? 0 : (+wait || 0);
if (options === true) {
var leading = true;
trailing = false;
} else if (isObject(options)) {
if (isObject(options)) {
leading = !!options.leading;
maxWait = 'maxWait' in options && nativeMax(+options.maxWait || 0, wait);
trailing = 'trailing' in options ? !!options.trailing : trailing;
@@ -7686,9 +7684,7 @@
if (typeof func != 'function') {
throw new TypeError(FUNC_ERROR_TEXT);
}
if (options === false) {
leading = false;
} else if (isObject(options)) {
if (isObject(options)) {
leading = 'leading' in options ? !!options.leading : leading;
trailing = 'trailing' in options ? !!options.trailing : trailing;
}

65
test/test.js
View File

@@ -2841,48 +2841,40 @@
}
});
asyncTest('should support a `leading` option', 7, function() {
asyncTest('should support a `leading` option', 5, function() {
if (!(isRhino && isModularize)) {
var withLeading,
callCounts = [0, 0, 0];
var callCounts = [0, 0];
_.each([true, { 'leading': true }], function(options, index) {
var debounced = _.debounce(function(value) {
callCounts[index]++;
return value;
}, 32, options);
var withLeading = _.debounce(function(value) {
callCounts[0]++;
return value;
}, 32, { 'leading': true });
if (index == 1) {
withLeading = debounced;
}
strictEqual(debounced('x'), 'x');
});
strictEqual(withLeading('x'), 'x');
_.each([false, { 'leading': false }], function(options) {
var withoutLeading = _.debounce(_.identity, 32, options);
strictEqual(withoutLeading('x'), undefined);
});
var withoutLeading = _.debounce(_.identity, 32, { 'leading': false });
strictEqual(withoutLeading('x'), undefined);
var withLeadingAndTrailing = _.debounce(function() {
callCounts[2]++;
callCounts[1]++;
}, 32, { 'leading': true });
withLeadingAndTrailing();
withLeadingAndTrailing();
strictEqual(callCounts[2], 1);
strictEqual(callCounts[1], 1);
setTimeout(function() {
deepEqual(callCounts, [1, 1, 2]);
deepEqual(callCounts, [1, 2]);
withLeading('x');
strictEqual(callCounts[1], 2);
strictEqual(callCounts[0], 2);
QUnit.start();
}, 64);
}
else {
skipTest(7);
skipTest(5);
QUnit.start();
}
});
@@ -15225,26 +15217,17 @@
}
});
test('should support a `leading` option', 4, function() {
_.each([true, { 'leading': true }], function(options) {
if (!(isRhino && isModularize)) {
var withLeading = _.throttle(_.identity, 32, options);
strictEqual(withLeading('a'), 'a');
}
else {
skipTest();
}
});
test('should support a `leading` option', 2, function() {
if (!(isRhino && isModularize)) {
var withLeading = _.throttle(_.identity, 32, { 'leading': true });
strictEqual(withLeading('a'), 'a');
_.each([false, { 'leading': false }], function(options) {
if (!(isRhino && isModularize)) {
var withoutLeading = _.throttle(_.identity, 32, options);
strictEqual(withoutLeading('a'), undefined);
}
else {
skipTest();
}
});
var withoutLeading = _.throttle(_.identity, 32, { 'leading': false });
strictEqual(withoutLeading('a'), undefined);
}
else {
skipTest(2);
}
});
asyncTest('should support a `trailing` option', 6, function() {