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codegen performance: use trim-right instead of lodash/trimEnd (#5255)

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This commit is contained in:
jwbay 2017-02-09 16:04:43 -05:00 committed by Logan Smyth
parent fb0a91b750
commit 1a325ce5d5
2 changed files with 6 additions and 3 deletions
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3
packages/babel-generator/package.json
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@ -17,7 +17,8 @@
"detect-indent": "^4.0.0",
"jsesc": "^1.3.0",
"lodash": "^4.2.0",
"source-map": "^0.5.0"
"source-map": "^0.5.0",
"trim-right": "^1.0.1"
},
"devDependencies": {
"babel-helper-fixtures": "^6.22.0",

6
packages/babel-generator/src/buffer.js
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@ -1,5 +1,5 @@
import type SourceMap from "./source-map";
import trimEnd from "lodash/trimEnd";
import trimRight from "trim-right";
const SPACES_RE = /^[ \t]+$/;
@ -40,7 +40,9 @@ export default class Buffer {
const map = this._map;
const result = {
code: trimEnd(this._buf.join("")),
// Whatever trim is used here should not execute a regex against the
// source string since it may be arbitrarily large after all transformations
code: trimRight(this._buf.join("")),
map: null,
rawMappings: map && map.getRawMappings(),
};