Use lodash instead of underscore

[arikon]

We can use lodash instead of underscore because it is 8x faster

https://github.com/bestiejs/lodash

[qfox]

_ usage at the moment:

[release-1.0.0] bem-tools $ grep -P '[\s\b]_\.\w' ./ -r --exclude=jquery* --exclude-dir=node_modules --exclude-dir=bem-bl | sed -r -e 's/.*\s_\.(\w+).*/\1/' | sort | uniq
all
contains
defaults
difference
sortBy
union
uniq

$ grep -P '[\s\b]_\.\w' ./ -r --exclude=jquery* --exclude-dir=node_modules --exclude-dir=bem-bl
./test/bem-make.js:                _.union(files, dirFiles).length === files.length;
./lib/util.js:    opts = _.defaults(opts || {}, {
./lib/util.js:    return _.all(needles, function(i) {
./lib/util.js:        return _.contains(arr, i);
./lib/tech/v2.js:            this._suffixes = _.uniq(res);
./lib/nodes/build.js:                    _.difference(filteredPaths, savedPaths));
./lib/nodes/build.js:            var obsolete = _.difference(savedPaths, filteredPaths);
./lib/nodes/level.js:        return _.uniq(
./lib/nodes/level.js:            _.sortBy(
./lib/nodes/level.js:        var r = _.uniq(
./lib/nodes/level.js:            _.sortBy(

$ grep -P "require\(.underscore.\)" -r --exclude=jquery* --exclude-dir=node_modules --exclude-dir=bem-bl
test/bem-make.js:    _ = require('underscore'),
lib/util.js:    _ = require('underscore');
lib/tech/v2.js:    _ = require('underscore'),
lib/nodes/build.js:var _ = require('underscore'),
lib/nodes/level.js:    _ = require('underscore'),

It's easily can be replaced ATM.

[arikon]

@zxqfox We already replaced underscore with lodash in release-1.0.0

[qfox]

@arikon Please can you push your changes to release-1.0.0? I still see underscore in code. ;-(

[arikon]

@zxqfox Hm, we need to check!
@SevInf I remember you merged this change, didn't you?

[SevInf]

@arikon, no it wasn't me. Both 1.0.0 and 0.6.x are still using underscore.

[arikon]

Shame on me

21.10.2013, 16:54, "Sergej Tatarincev" [email protected]:

@arikon, no it wasn't me. Both 1.0.0 and 0.6.x are still using underscore.

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[arikon]

@zxqfox Could you make a PR for the release-1.0.0 branch?

[qfox]

@arikon Sure. Added to my todo list.

[qfox]

@arikon @SevInf Guys. It's trivial migration. Tests passed. Tell me if we need to fix something else.

[qfox]

@SevInf Issuer resolved for 0.7 & 1.0.

[SevInf]

@zxqfox, thanks, closing this.