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Fix.
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7078 changed files with 1882834 additions and 319 deletions
292
node_modules/cssstyle/scripts/generate_properties.js
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vendored
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292
node_modules/cssstyle/scripts/generate_properties.js
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'use strict';
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var fs = require('fs');
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var path = require('path');
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var babylon = require('babylon');
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var t = require('babel-types');
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var generate = require('babel-generator').default;
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var traverse = require('babel-traverse').default;
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var resolve = require('resolve');
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var camelToDashed = require('../lib/parsers').camelToDashed;
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var basename = path.basename;
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var dirname = path.dirname;
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var uniqueIndex = 0;
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function getUniqueIndex() {
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return uniqueIndex++;
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}
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var property_files = fs
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.readdirSync(path.resolve(__dirname, '../lib/properties'))
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.filter(function(property) {
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return property.substr(-3) === '.js';
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});
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var out_file = fs.createWriteStream(path.resolve(__dirname, '../lib/properties.js'), {
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encoding: 'utf-8',
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});
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var date_today = new Date();
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out_file.write(
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"'use strict';\n\n// autogenerated - " +
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(date_today.getMonth() + 1 + '/' + date_today.getDate() + '/' + date_today.getFullYear()) +
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'\n\n'
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);
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out_file.write('/*\n *\n * https://www.w3.org/Style/CSS/all-properties.en.html\n */\n\n');
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function isModuleDotExports(node) {
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return (
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t.isMemberExpression(node, { computed: false }) &&
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t.isIdentifier(node.object, { name: 'module' }) &&
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t.isIdentifier(node.property, { name: 'exports' })
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);
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}
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function isRequire(node, filename) {
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if (
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t.isCallExpression(node) &&
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t.isIdentifier(node.callee, { name: 'require' }) &&
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node.arguments.length === 1 &&
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t.isStringLiteral(node.arguments[0])
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) {
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var relative = node.arguments[0].value;
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var fullPath = resolve.sync(relative, { basedir: dirname(filename) });
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return { relative: relative, fullPath: fullPath };
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} else {
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return false;
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}
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}
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// step 1: parse all files and figure out their dependencies
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var parsedFilesByPath = {};
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property_files.map(function(property) {
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var filename = path.resolve(__dirname, '../lib/properties/' + property);
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var src = fs.readFileSync(filename, 'utf8');
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property = basename(property, '.js');
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var ast = babylon.parse(src);
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var dependencies = [];
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traverse(ast, {
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enter(path) {
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var r;
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if ((r = isRequire(path.node, filename))) {
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dependencies.push(r.fullPath);
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}
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},
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});
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parsedFilesByPath[filename] = {
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filename: filename,
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property: property,
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ast: ast,
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dependencies: dependencies,
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};
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});
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// step 2: serialize the files in an order where dependencies are always above
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// the files they depend on
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var externalDependencies = [];
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var parsedFiles = [];
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var addedFiles = {};
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function addFile(filename, dependencyPath) {
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if (dependencyPath.indexOf(filename) !== -1) {
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throw new Error(
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'Circular dependency: ' +
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dependencyPath
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.slice(dependencyPath.indexOf(filename))
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.concat([filename])
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.join(' -> ')
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);
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}
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var file = parsedFilesByPath[filename];
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if (addedFiles[filename]) {
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return;
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}
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if (!file) {
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externalDependencies.push(filename);
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} else {
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file.dependencies.forEach(function(dependency) {
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addFile(dependency, dependencyPath.concat([filename]));
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});
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parsedFiles.push(parsedFilesByPath[filename]);
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}
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addedFiles[filename] = true;
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}
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Object.keys(parsedFilesByPath).forEach(function(filename) {
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addFile(filename, []);
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});
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// Step 3: add files to output
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// renaming exports to local variables `moduleName_export_exportName`
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// and updating require calls as appropriate
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var moduleExportsByPath = {};
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var statements = [];
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externalDependencies.forEach(function(filename, i) {
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var id = t.identifier(
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'external_dependency_' + basename(filename, '.js').replace(/[^A-Za-z]/g, '') + '_' + i
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);
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moduleExportsByPath[filename] = { defaultExports: id };
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var relativePath = path.relative(path.resolve(__dirname + '/../lib'), filename);
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if (relativePath[0] !== '.') {
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relativePath = './' + relativePath;
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}
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statements.push(
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t.variableDeclaration('var', [
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t.variableDeclarator(
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id,
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t.callExpression(t.identifier('require'), [t.stringLiteral(relativePath)])
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),
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])
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);
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});
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function getRequireValue(node, file) {
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var r, e;
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// replace require("./foo").bar with the named export from foo
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if (
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t.isMemberExpression(node, { computed: false }) &&
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(r = isRequire(node.object, file.filename))
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) {
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e = moduleExportsByPath[r.fullPath];
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if (!e) {
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return;
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}
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if (!e.namedExports) {
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return t.memberExpression(e.defaultExports, node.property);
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}
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if (!e.namedExports[node.property.name]) {
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throw new Error(r.relative + ' does not export ' + node.property.name);
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}
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return e.namedExports[node.property.name];
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// replace require("./foo") with the default export of foo
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} else if ((r = isRequire(node, file.filename))) {
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e = moduleExportsByPath[r.fullPath];
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if (!e) {
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if (/^\.\.\//.test(r.relative)) {
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node.arguments[0].value = r.relative.substr(1);
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}
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return;
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}
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return e.defaultExports;
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}
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}
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parsedFiles.forEach(function(file) {
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var namedExports = {};
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var localVariableMap = {};
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traverse(file.ast, {
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enter(path) {
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// replace require calls with the corresponding value
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var r;
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if ((r = getRequireValue(path.node, file))) {
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path.replaceWith(r);
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return;
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}
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// if we see `var foo = require('bar')` we can just inline the variable
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// representing `require('bar')` wherever `foo` was used.
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if (
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t.isVariableDeclaration(path.node) &&
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path.node.declarations.length === 1 &&
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t.isIdentifier(path.node.declarations[0].id) &&
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(r = getRequireValue(path.node.declarations[0].init, file))
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) {
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var newName = 'compiled_local_variable_reference_' + getUniqueIndex();
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path.scope.rename(path.node.declarations[0].id.name, newName);
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localVariableMap[newName] = r;
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path.remove();
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return;
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}
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// rename all top level functions to keep them local to the module
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if (t.isFunctionDeclaration(path.node) && t.isProgram(path.parent)) {
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path.scope.rename(path.node.id.name, file.property + '_local_fn_' + path.node.id.name);
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return;
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}
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// rename all top level variables to keep them local to the module
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if (t.isVariableDeclaration(path.node) && t.isProgram(path.parent)) {
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path.node.declarations.forEach(function(declaration) {
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path.scope.rename(
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declaration.id.name,
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file.property + '_local_var_' + declaration.id.name
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);
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});
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return;
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}
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// replace module.exports.bar with a variable for the named export
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if (
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t.isMemberExpression(path.node, { computed: false }) &&
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isModuleDotExports(path.node.object)
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) {
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var name = path.node.property.name;
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var identifier = t.identifier(file.property + '_export_' + name);
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path.replaceWith(identifier);
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namedExports[name] = identifier;
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}
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},
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});
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traverse(file.ast, {
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enter(path) {
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if (
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t.isIdentifier(path.node) &&
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Object.prototype.hasOwnProperty.call(localVariableMap, path.node.name)
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) {
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path.replaceWith(localVariableMap[path.node.name]);
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}
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},
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});
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var defaultExports = t.objectExpression(
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Object.keys(namedExports).map(function(name) {
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return t.objectProperty(t.identifier(name), namedExports[name]);
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})
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);
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moduleExportsByPath[file.filename] = {
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namedExports: namedExports,
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defaultExports: defaultExports,
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};
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statements.push(
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t.variableDeclaration(
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'var',
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Object.keys(namedExports).map(function(name) {
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return t.variableDeclarator(namedExports[name]);
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})
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)
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);
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statements.push.apply(statements, file.ast.program.body);
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});
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var propertyDefinitions = [];
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parsedFiles.forEach(function(file) {
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var dashed = camelToDashed(file.property);
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propertyDefinitions.push(
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t.objectProperty(
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t.identifier(file.property),
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t.identifier(file.property + '_export_definition')
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)
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);
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if (file.property !== dashed) {
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propertyDefinitions.push(
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t.objectProperty(t.stringLiteral(dashed), t.identifier(file.property + '_export_definition'))
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);
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}
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});
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var definePropertiesCall = t.callExpression(
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t.memberExpression(t.identifier('Object'), t.identifier('defineProperties')),
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[t.identifier('prototype'), t.objectExpression(propertyDefinitions)]
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);
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statements.push(
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t.expressionStatement(
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t.assignmentExpression(
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'=',
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t.memberExpression(t.identifier('module'), t.identifier('exports')),
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t.functionExpression(
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null,
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[t.identifier('prototype')],
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t.blockStatement([t.expressionStatement(definePropertiesCall)])
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)
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)
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)
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);
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out_file.write(generate(t.program(statements)).code + '\n');
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out_file.end(function(err) {
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if (err) {
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throw err;
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}
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});
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