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Bug 865135 - Uplift Add-on SDK integration branch to Firefox.

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This commit is contained in:
Wes Kocher
2013-04-26 02:04:23 -07:00
parent bae67bb95d
commit 71f44349f6
31 changed files with 979 additions and 245 deletions
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12
addon-sdk/source/lib/sdk/event/utils.js
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@@ -25,7 +25,7 @@ let refs = (function() {
}
})();
function transform(f, input) {
function transform(input, f) {
let output = {};
// Since event listeners don't prevent `input` to be GC-ed we wanna presrve
@@ -46,16 +46,16 @@ function transform(f, input) {
// High order event transformation function that takes `input` event channel
// and returns transformation containing only events on which `p` predicate
// returns `true`.
function filter(predicate, input) {
return transform(function(data, next) {
function filter(input, predicate) {
return transform(input, function(data, next) {
if (predicate(data)) next(data)
}, input);
});
}
exports.filter = filter;
// High order function that takes `input` and returns input of it's values
// mapped via given `f` function.
function map(f, input) transform(function(data, next) next(f(data)), input)
function map(input, f) transform(input, function(data, next) next(f(data)))
exports.map = map;
// High order function that takes `input` stream of streams and merges them
@@ -97,7 +97,7 @@ function merge(inputs) {
}
exports.merge = merge;
function expand(f, inputs) merge(map(f, inputs))
function expand(inputs, f) merge(map(inputs, f))
exports.expand = expand;
function pipe(from, to) on(from, "*", emit.bind(emit, to))