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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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42
packages/babel-plugin-transform-es2015-modules-umd/src/index.js
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@@ -3,18 +3,18 @@
import { basename, extname } from "path";
import template from "babel-template";
let buildPrerequisiteAssignment = template(`
const buildPrerequisiteAssignment = template(`
GLOBAL_REFERENCE = GLOBAL_REFERENCE || {}
`);
let buildGlobalExport = template(`
const buildGlobalExport = template(`
var mod = { exports: {} };
factory(BROWSER_ARGUMENTS);
PREREQUISITE_ASSIGNMENTS
GLOBAL_TO_ASSIGN = mod.exports;
`);
let buildWrapper = template(`
const buildWrapper = template(`
(function (global, factory) {
if (typeof define === "function" && define.amd) {
define(MODULE_NAME, AMD_ARGUMENTS, factory);
@@ -30,11 +30,11 @@ export default function ({ types: t }) {
function isValidDefine(path) {
if (!path.isExpressionStatement()) return;
let expr = path.get("expression");
const expr = path.get("expression");
if (!expr.isCallExpression()) return false;
if (!expr.get("callee").isIdentifier({ name: "define" })) return false;
let args = expr.get("arguments");
const args = expr.get("arguments");
if (args.length === 3 && !args.shift().isStringLiteral()) return false;
if (args.length !== 2) return false;
if (!args.shift().isArrayExpression()) return false;
@@ -49,18 +49,18 @@ export default function ({ types: t }) {
visitor: {
Program: {
exit(path, state) {
let last = path.get("body").pop();
const last = path.get("body").pop();
if (!isValidDefine(last)) return;
let call = last.node.expression;
let args = call.arguments;
const call = last.node.expression;
const args = call.arguments;
let moduleName = args.length === 3 ? args.shift() : null;
let amdArgs = call.arguments[0];
let func = call.arguments[1];
let browserGlobals = state.opts.globals || {};
const moduleName = args.length === 3 ? args.shift() : null;
const amdArgs = call.arguments[0];
const func = call.arguments[1];
const browserGlobals = state.opts.globals || {};
let commonArgs = amdArgs.elements.map((arg) => {
const commonArgs = amdArgs.elements.map((arg) => {
if (arg.value === "module" || arg.value === "exports") {
return t.identifier(arg.value);
} else {
@@ -68,7 +68,7 @@ export default function ({ types: t }) {
}
});
let browserArgs = amdArgs.elements.map((arg) => {
const browserArgs = amdArgs.elements.map((arg) => {
if (arg.value === "module") {
return t.identifier("mod");
} else if (arg.value === "exports") {
@@ -77,7 +77,7 @@ export default function ({ types: t }) {
let memberExpression;
if (state.opts.exactGlobals) {
let globalRef = browserGlobals[arg.value];
const globalRef = browserGlobals[arg.value];
if (globalRef) {
memberExpression = globalRef.split(".").reduce(
(accum, curr) => t.memberExpression(accum, t.identifier(curr)), t.identifier("global")
@@ -88,8 +88,8 @@ export default function ({ types: t }) {
);
}
} else {
let requireName = basename(arg.value, extname(arg.value));
let globalName = browserGlobals[requireName] || requireName;
const requireName = basename(arg.value, extname(arg.value));
const globalName = browserGlobals[requireName] || requireName;
memberExpression = t.memberExpression(
t.identifier("global"), t.identifier(t.toIdentifier(globalName))
);
@@ -99,19 +99,19 @@ export default function ({ types: t }) {
}
});
let moduleNameOrBasename = moduleName ? moduleName.value : this.file.opts.basename;
const moduleNameOrBasename = moduleName ? moduleName.value : this.file.opts.basename;
let globalToAssign = t.memberExpression(
t.identifier("global"), t.identifier(t.toIdentifier(moduleNameOrBasename))
);
let prerequisiteAssignments = null;
if (state.opts.exactGlobals) {
let globalName = browserGlobals[moduleNameOrBasename];
const globalName = browserGlobals[moduleNameOrBasename];
if (globalName) {
prerequisiteAssignments = [];
let members = globalName.split(".");
const members = globalName.split(".");
globalToAssign = members.slice(1).reduce((accum, curr) => {
prerequisiteAssignments.push(buildPrerequisiteAssignment({ GLOBAL_REFERENCE: accum }));
return t.memberExpression(accum, t.identifier(curr));
@@ -119,7 +119,7 @@ export default function ({ types: t }) {
}
}
let globalExport = buildGlobalExport({
const globalExport = buildGlobalExport({
BROWSER_ARGUMENTS: browserArgs,
PREREQUISITE_ASSIGNMENTS: prerequisiteAssignments,
GLOBAL_TO_ASSIGN: globalToAssign