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Only bind timeago plugin to an element once #26

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Only bind timeago plugin to an element once #26

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199d6c8
Issue 25: only bind timeago plugin once-per-element
stevenharman Nov 18, 2010
d488c95
Issue 20: don't bind nor setInterval for empty collections
stevenharman Nov 18, 2010
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11 changes: 9 additions & 2 deletions jquery.timeago.js
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
/*
* timeago: a jQuery plugin, version: 0.9.2 (2010-09-14)
* @requires jQuery v1.2.3 or later
* @requires jQuery v1.4.3 or later
*
* Timeago is a jQuery plugin that makes it easy to support automatically
* updating fuzzy timestamps (e.g. "4 minutes ago" or "about 1 day ago").
Expand Down Expand Up @@ -99,12 +99,15 @@
});

$.fn.timeago = function() {
if (this.length === 0) return;

var self = this;
var newTimestamps = self.filter(unattachedTimestamps);
self.each(refresh);

var $s = $t.settings;
if ($s.refreshMillis > 0) {
setInterval(function() { self.each(refresh); }, $s.refreshMillis);
setInterval(function() { newTimestamps.each(refresh); }, $s.refreshMillis);
}
return self;
};
Expand All @@ -127,6 +130,10 @@
return element.data("timeago");
}

function unattachedTimestamps($elements) {
return $(this).data("timeago") === undefined;
}

function inWords(date) {
return $t.inWords(distance(date));
}
Expand Down
2 changes: 1 addition & 1 deletion test/index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,7 @@
<meta http-equiv="content-type" content="text/html; charset=utf-8" />

<!-- use http://code.jquery.com/jquery-latest.js for the latest jQuery -->
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js" type="text/javascript"></script>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.3/jquery.min.js" type="text/javascript"></script>

<!-- http://dev.jquery.com/view/trunk/qunit/testrunner.js -->
<script src="qunit.js" type="text/javascript"></script>
Expand Down
120 changes: 78 additions & 42 deletions test/qunit.js
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Original file line number Diff line number Diff line change
Expand Up @@ -17,10 +17,11 @@ var QUnit = {
config.currentModule = name;

synchronize(function() {
if ( config.currentModule ) {
if ( config.previousModule ) {
QUnit.moduleDone( config.currentModule, config.moduleStats.bad, config.moduleStats.all );
}

config.previousModule = config.currentModule;
config.currentModule = name;
config.moduleTestEnvironment = testEnvironment;
config.moduleStats = { all: 0, bad: 0 };
Expand Down Expand Up @@ -84,7 +85,7 @@ var QUnit = {
var li = document.createElement("li");
li.appendChild( b );
li.id = "current-test-output";
tests.appendChild( li )
tests.appendChild( li );
}

try {
Expand All @@ -107,7 +108,7 @@ var QUnit = {
callback.call(testEnvironment);
} catch(e) {
fail("Test " + name + " died, exception and test follows", e, callback);
QUnit.ok( false, "Died on test #" + (config.assertions.length + 1) + ": " + e.message );
QUnit.ok( false, "Died on test #" + (config.assertions.length + 1) + ": " + e.message + " - " + QUnit.jsDump.parse(e) );
// else next test will carry the responsibility
saveGlobal();

Expand All @@ -128,16 +129,10 @@ var QUnit = {
});

synchronize(function() {
try {
QUnit.reset();
} catch(e) {
fail("reset() failed, following Test " + name + ", exception and reset fn follows", e, QUnit.reset);
}

if ( config.expected && config.expected != config.assertions.length ) {
QUnit.ok( false, "Expected " + config.expected + " assertions, but " + config.assertions.length + " were run" );
}

var good = 0, bad = 0,
tests = id("qunit-tests");

Expand All @@ -152,7 +147,7 @@ var QUnit = {

var li = document.createElement("li");
li.className = assertion.result ? "pass" : "fail";
li.innerHTML = assertion.message || "(no message)";
li.innerHTML = assertion.message || (assertion.result ? "okay" : "failed");
ol.appendChild( li );

if ( assertion.result ) {
Expand Down Expand Up @@ -188,6 +183,7 @@ var QUnit = {
var li = id("current-test-output");
li.id = "";
li.className = bad ? "fail" : "pass";
li.style.display = resultDisplayStyle(!bad);
li.removeChild( li.firstChild );
li.appendChild( b );
li.appendChild( ol );
Expand All @@ -211,6 +207,12 @@ var QUnit = {
}
}

try {
QUnit.reset();
} catch(e) {
fail("reset() failed, following Test " + name + ", exception and reset fn follows", e, QUnit.reset);
}

QUnit.testDone( testName, bad, config.assertions.length );

if ( !window.setTimeout && !config.queue.length ) {
Expand All @@ -233,11 +235,15 @@ var QUnit = {
* @example ok( "asdfasdf".length > 5, "There must be at least 5 chars" );
*/
ok: function(a, msg) {
a = !!a;
var details = {
result: a,
message: msg
};
msg = escapeHtml(msg);
QUnit.log(a, msg);

QUnit.log(a, msg, details);
config.assertions.push({
result: !!a,
result: a,
message: msg
});
},
Expand All @@ -255,27 +261,27 @@ var QUnit = {
* @param String message (optional)
*/
equal: function(actual, expected, message) {
push(expected == actual, actual, expected, message);
QUnit.push(expected == actual, actual, expected, message);
},

notEqual: function(actual, expected, message) {
push(expected != actual, actual, expected, message);
QUnit.push(expected != actual, actual, expected, message);
},

deepEqual: function(actual, expected, message) {
push(QUnit.equiv(actual, expected), actual, expected, message);
QUnit.push(QUnit.equiv(actual, expected), actual, expected, message);
},

notDeepEqual: function(actual, expected, message) {
push(!QUnit.equiv(actual, expected), actual, expected, message);
QUnit.push(!QUnit.equiv(actual, expected), actual, expected, message);
},

strictEqual: function(actual, expected, message) {
push(expected === actual, actual, expected, message);
QUnit.push(expected === actual, actual, expected, message);
},

notStrictEqual: function(actual, expected, message) {
push(expected !== actual, actual, expected, message);
QUnit.push(expected !== actual, actual, expected, message);
},

raises: function(fn, message) {
Expand Down Expand Up @@ -403,10 +409,17 @@ extend(QUnit, {

/**
* Resets the test setup. Useful for tests that modify the DOM.
*
* If jQuery is available, uses jQuery's html(), otherwise just innerHTML.
*/
reset: function() {
if ( window.jQuery ) {
jQuery("#main, #qunit-fixture").html( config.fixture );
jQuery( "#main, #qunit-fixture" ).html( config.fixture );
} else {
var main = id( 'main' ) || id( 'qunit-fixture' );
if ( main ) {
main.innerHTML = config.fixture;
}
}
},

Expand Down Expand Up @@ -469,6 +482,31 @@ extend(QUnit, {
return undefined;
},

push: function(result, actual, expected, message) {
var details = {
result: result,
message: message,
actual: actual,
expected: expected
};

message = escapeHtml(message) || (result ? "okay" : "failed");
message = '<span class="test-message">' + message + "</span>";
expected = escapeHtml(QUnit.jsDump.parse(expected));
actual = escapeHtml(QUnit.jsDump.parse(actual));
var output = message + ', expected: <span class="test-expected">' + expected + '</span>';
if (actual != expected) {
output += ' result: <span class="test-actual">' + actual + '</span>, diff: ' + QUnit.diff(expected, actual);
}

QUnit.log(result, message, details);

config.assertions.push({
result: !!result,
message: output
});
},

// Logging callbacks
begin: function() {},
done: function(failures, total) {},
Expand Down Expand Up @@ -499,7 +537,16 @@ addEvent(window, "load", function() {
}
var banner = id("qunit-header");
if ( banner ) {
banner.innerHTML = '<a href="' + location.href + '">' + banner.innerHTML + '</a>';
var paramsIndex = location.href.lastIndexOf(location.search);
if ( paramsIndex > -1 ) {
var mainPageLocation = location.href.slice(0, paramsIndex);
if ( mainPageLocation == location.href ) {
banner.innerHTML = '<a href=""> ' + banner.innerHTML + '</a> ';
} else {
var testName = decodeURIComponent(location.search.slice(1));
banner.innerHTML = '<a href="' + mainPageLocation + '">' + banner.innerHTML + '</a> &#8250; <a href="">' + testName + '</a>';
}
}
}

var toolbar = id("qunit-testrunner-toolbar");
Expand Down Expand Up @@ -634,8 +681,15 @@ function validTest( name ) {
return run;
}

function resultDisplayStyle(passed) {
return passed && id("qunit-filter-pass") && id("qunit-filter-pass").checked ? 'none' : '';
}

function escapeHtml(s) {
s = s === null ? "" : s + "";
if (!s) {
return "";
}
s = s + "";
return s.replace(/[\&"<>\\]/g, function(s) {
switch(s) {
case "&": return "&amp;";
Expand All @@ -648,24 +702,6 @@ function escapeHtml(s) {
});
}

function push(result, actual, expected, message) {
message = escapeHtml(message) || (result ? "okay" : "failed");
message = '<span class="test-message">' + message + "</span>";
expected = escapeHtml(QUnit.jsDump.parse(expected));
actual = escapeHtml(QUnit.jsDump.parse(actual));
var output = message + ', expected: <span class="test-expected">' + expected + '</span>';
if (actual != expected) {
output += ' result: <span class="test-actual">' + actual + '</span>, diff: ' + QUnit.diff(expected, actual);
}

// can't use ok, as that would double-escape messages
QUnit.log(result, output);
config.assertions.push({
result: !!result,
message: output
});
}

function synchronize( callback ) {
config.queue.push( callback );

Expand Down Expand Up @@ -1255,7 +1291,7 @@ QUnit.diff = (function() {
}

return str;
}
};
})();

})(this);