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Make Deps not require Underscore

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This commit is contained in:
David Greenspan
2014-04-03 09:26:42 -07:00
parent 3405644027
commit 8805281798
1 changed files with 13 additions and 3 deletions
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16
packages/deps/deps.js
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@@ -15,6 +15,16 @@ var setCurrentComputation = function (c) {
Deps.active = !! c; Deps.active = !! c;
}; };
// _assign is like _.extend or the upcoming Object.assign.
// Copy src's own, enumerable properties onto tgt and return
// tgt.
var _assign = function (tgt, src) {
for (var k in src)
if (src.hasOwnProperty(k))
tgt[k] = src[k];
return tgt;
};
var _debugFunc = function () { var _debugFunc = function () {
// lazy evaluation because `Meteor` does not exist right away // lazy evaluation because `Meteor` does not exist right away
return (typeof Meteor !== "undefined" ? Meteor._debug : return (typeof Meteor !== "undefined" ? Meteor._debug :
@@ -116,7 +126,7 @@ Deps.Computation = function (f, parent) {
} }
}; };
_.extend(Deps.Computation.prototype, { _assign(Deps.Computation.prototype, {
// http://docs.meteor.com/#computation_oninvalidate // http://docs.meteor.com/#computation_oninvalidate
onInvalidate: function (f) { onInvalidate: function (f) {
@@ -213,7 +223,7 @@ Deps.Dependency = function () {
this._dependentsById = {}; this._dependentsById = {};
}; };
_.extend(Deps.Dependency.prototype, { _assign(Deps.Dependency.prototype, {
// http://docs.meteor.com/#dependency_depend // http://docs.meteor.com/#dependency_depend
// //
// Adds `computation` to this set if it is not already // Adds `computation` to this set if it is not already
@@ -255,7 +265,7 @@ _.extend(Deps.Dependency.prototype, {
} }
}); });
_.extend(Deps, { _assign(Deps, {
// http://docs.meteor.com/#deps_flush // http://docs.meteor.com/#deps_flush
flush: function (_opts) { flush: function (_opts) {
// XXX What part of the comment below is still true? (We no longer // XXX What part of the comment below is still true? (We no longer