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enable prefer const (#5113)

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This commit is contained in:
Henry Zhu
2017-01-14 09:48:52 -05:00
committed by GitHub
parent 982850731e
commit 672adba9a1
177 changed files with 1862 additions and 1863 deletions
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20
packages/babel-plugin-transform-runtime/src/index.js
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@@ -9,7 +9,7 @@ export default function ({ types: t }) {
return Object.prototype.hasOwnProperty.call(obj, key);
}
let HELPER_BLACKLIST = ["interopRequireWildcard", "interopRequireDefault"];
const HELPER_BLACKLIST = ["interopRequireWildcard", "interopRequireDefault"];
return {
pre(file) {
@@ -30,7 +30,7 @@ export default function ({ types: t }) {
visitor: {
ReferencedIdentifier(path, state) {
let { node, parent, scope } = path;
const { node, parent, scope } = path;
if (node.name === "regeneratorRuntime" && state.opts.regenerator !== false) {
path.replaceWith(state.get("regeneratorIdentifier"));
@@ -59,7 +59,7 @@ export default function ({ types: t }) {
// we can't compile this
if (path.node.arguments.length) return;
let callee = path.node.callee;
const callee = path.node.callee;
if (!t.isMemberExpression(callee)) return;
if (!callee.computed) return;
if (!path.get("callee.property").matchesPattern("Symbol.iterator")) return;
@@ -99,15 +99,15 @@ export default function ({ types: t }) {
if (state.opts.polyfill === false) return;
if (!path.isReferenced()) return;
let { node } = path;
let obj = node.object;
let prop = node.property;
const { node } = path;
const obj = node.object;
const prop = node.property;
if (!t.isReferenced(obj, node)) return;
if (node.computed) return;
if (!has(definitions.methods, obj.name)) return;
let methods = definitions.methods[obj.name];
const methods = definitions.methods[obj.name];
if (!has(methods, prop.name)) return;
// doesn't reference the global
@@ -115,7 +115,7 @@ export default function ({ types: t }) {
// special case Object.defineProperty to not use core-js when using string keys
if (obj.name === "Object" && prop.name === "defineProperty" && path.parentPath.isCallExpression()) {
let call = path.parentPath.node;
const call = path.parentPath.node;
if (call.arguments.length === 3 && t.isLiteral(call.arguments[1])) return;
}
@@ -131,8 +131,8 @@ export default function ({ types: t }) {
if (state.opts.polyfill === false) return;
if (!path.isReferenced()) return;
let { node } = path;
let obj = node.object;
const { node } = path;
const obj = node.object;
if (!has(definitions.builtins, obj.name)) return;
if (path.scope.getBindingIdentifier(obj.name)) return;