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fix runtime helpers

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Ref f3f907bdb3 (diff-339968af11c78f10673c78c6c7568d2fR34)
This commit is contained in:
Henry Zhu
2017-03-22 18:07:09 -04:00
parent f20da57317
commit 483958b24d
2 changed files with 74 additions and 58 deletions
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130
packages/babel-runtime/scripts/build-dist.js
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@@ -1,38 +1,38 @@
var outputFile = require("output-file-sync");
var kebabCase = require("lodash/kebabCase");
var fs = require("fs");
const outputFile = require("output-file-sync");
const coreDefinitions = require("babel-plugin-transform-runtime").definitions;
const paths = ["is-iterable", "get-iterator"];
var coreDefinitions = require("babel-plugin-transform-runtime").definitions;
var paths = ["is-iterable", "get-iterator"];
Object.keys(coreDefinitions.builtins).forEach(function (key) {
Object.keys(coreDefinitions.builtins).forEach((key) => {
const path = coreDefinitions.builtins[key];
paths.push(path);
});
Object.keys(coreDefinitions.methods).forEach(function (key) {
Object.keys(coreDefinitions.methods).forEach((key) => {
const props = coreDefinitions.methods[key];
Object.keys(props).forEach(function (key2) {
Object.keys(props).forEach((key2) => {
const path = props[key2];
paths.push(path);
});
});
paths.forEach(function (path) {
writeFile("core-js/" + path + ".js", defaultify('require("core-js/library/fn/' + path + '")'));
paths.forEach(function(path) {
writeFile(
"core-js/" + path + ".js",
defaultify(`require("core-js/library/fn/${path}")`)
);
});
var helpers = require("babel-helpers");
var babel = require("../../babel-core");
var t = require("../../babel-types");
const helpers = require("babel-helpers");
const babel = require("../../babel-core");
const t = require("../../babel-types");
function relative(filename) {
return __dirname + "/../" + filename;
return `${__dirname}/../${filename}`;
}
function defaultify(name) {
return 'module.exports = { "default": ' + name + ', __esModule: true };';
return `module.exports = { "default": '${name}", __esModule: true };`;
}
function writeRootFile(filename, content) {
@@ -47,27 +47,31 @@ function writeFile(filename, content) {
function makeTransformOpts(modules, useBuiltIns) {
const opts = {
presets: [
[require("../../babel-preset-es2015"), { modules: false }]
],
presets: [[require("../../babel-preset-es2015"), { modules: false }]],
plugins: [
[require("../../babel-plugin-transform-runtime"), { useBuiltIns: useBuiltIns, useESModules: modules === false }]
]
}
if (modules === 'commonjs') {
opts.plugins.push([require("../../babel-plugin-transform-es2015-modules-commonjs"), { loose: true, strict: false }])
[
require("../../babel-plugin-transform-runtime"),
{ useBuiltIns, useESModules: modules === false },
],
],
};
if (modules === "commonjs") {
opts.plugins.push([
require("../../babel-plugin-transform-es2015-modules-commonjs"),
{ loose: true, strict: false },
]);
} else if (modules !== false) {
throw new Error('Unsupported module type')
throw new Error("Unsupported module type");
}
return opts
return opts;
}
function buildRuntimeRewritePlugin(relativePath, helperName) {
return {
pre: function (file) {
var original = file.get("helperGenerator");
file.set("helperGenerator", function(name) {
pre(file) {
const original = file.get("helperGenerator");
file.set("helperGenerator", (name) => {
// make sure that helpers won't insert circular references to themselves
if (name === helperName) return false;
@@ -75,57 +79,69 @@ function buildRuntimeRewritePlugin(relativePath, helperName) {
});
},
visitor: {
ImportDeclaration: function(path){
path.get("source").node.value = path.get("source").node.value
.replace(/^babel-runtime/, relativePath);
ImportDeclaration(path) {
path.get("source").node.value = path
.get("source")
.node.value.replace(/^babel-runtime/, relativePath);
},
CallExpression: function(path){
if (!path.get("callee").isIdentifier({name: "require"}) ||
CallExpression(path) {
if (
!path.get("callee").isIdentifier({ name: "require" }) ||
path.get("arguments").length !== 1 ||
!path.get("arguments")[0].isStringLiteral()) return;
!path.get("arguments")[0].isStringLiteral()
) {
return;
}
// replace any reference to babel-runtime with a relative path
path.get("arguments")[0].node.value = path.get("arguments")[0].node.value
.replace(/^babel-runtime/, relativePath);
}
}
path.get("arguments")[0].node.value = path
.get("arguments")[0]
.node.value.replace(/^babel-runtime/, relativePath);
},
},
};
}
function buildHelper(helperName, modules, useBuiltIns) {
const helper = helpers.get(helperName)
const helper = helpers.get(helperName);
// avoid an unneccessary TDZ in the easy case
if (helper.type === "FunctionExpression") {
helper.type = "FunctionDeclaration"
helper.type = "FunctionDeclaration";
}
var tree = t.program([
t.exportDefaultDeclaration(helper)
]);
const tree = t.program([t.exportDefaultDeclaration(helper)]);
const transformOpts = makeTransformOpts(modules, useBuiltIns)
const transformOpts = makeTransformOpts(modules, useBuiltIns);
const relative = useBuiltIns ? "../.." : ".."
const relative = useBuiltIns ? "../.." : "..";
return babel.transformFromAst(tree, null, {
presets: transformOpts.presets,
plugins: transformOpts.plugins.concat([buildRuntimeRewritePlugin(modules === false ? `../${relative}` : relative, helperName)])
plugins: transformOpts.plugins.concat([
buildRuntimeRewritePlugin(
modules === false ? `../${relative}` : relative,
helperName
),
]),
}).code;
}
for (const modules of ["commonjs", false]) {
for (const builtin of [false, true]) {
const dirname = `helpers/${builtin ? 'builtin/' : ''}${!modules ? 'es6/' : ''}`
const dirname = `helpers/${builtin ? "builtin/" : ""}${!modules ? "es6/" : ""}`;
for (const helperName of helpers.list) {
writeFile(`${dirname}${helperName}.js`, buildHelper(helperName, modules, builtin));
writeFile(
`${dirname}${helperName}.js`,
buildHelper(helperName, modules, builtin)
);
// compat
var helperAlias = kebabCase(helperName);
var content = !modules
? `export { default } from \"./${helperName}.js\";`
: "module.exports = require(\"./" + helperName + ".js\");";
writeFile(`${dirname}_${helperAlias}.js`, content);
if (helperAlias !== helperName) writeFile(`${dirname}${helperAlias}.js`, content);
// // compat
// var helperAlias = kebabCase(helperName);
// var content = !modules
// ? `export { default } from \"./${helperName}.js\";`
// : "module.exports = require(\"./" + helperName + ".js\");";
// writeFile(`${dirname}_${helperAlias}.js`, content);
// if (helperAlias !== helperName) writeFile(`${dirname}${helperAlias}.js`, content);
}
}
}