import { declare } from '@babel/helper-plugin-utils';
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import _getTargets, { prettifyTargets, getInclusionReasons, isRequired } from '@babel/helper-compilation-targets';
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import * as _babel from '@babel/core';
|
|
const {
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types: t$1,
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template: template
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} = _babel.default || _babel;
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function intersection(a, b) {
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const result = new Set();
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a.forEach(v => b.has(v) && result.add(v));
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return result;
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}
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function has$1(object, key) {
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return Object.prototype.hasOwnProperty.call(object, key);
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}
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function getType(target) {
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return Object.prototype.toString.call(target).slice(8, -1);
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}
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function resolveId(path) {
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if (path.isIdentifier() && !path.scope.hasBinding(path.node.name,
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/* noGlobals */
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true)) {
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return path.node.name;
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}
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const {
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deopt
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} = path.evaluate();
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if (deopt && deopt.isIdentifier()) {
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return deopt.node.name;
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}
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}
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function resolveKey(path, computed = false) {
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const {
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scope
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} = path;
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if (path.isStringLiteral()) return path.node.value;
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const isIdentifier = path.isIdentifier();
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if (isIdentifier && !(computed || path.parent.computed)) {
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return path.node.name;
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}
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if (computed && path.isMemberExpression() && path.get("object").isIdentifier({
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name: "Symbol"
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}) && !scope.hasBinding("Symbol",
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/* noGlobals */
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true)) {
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const sym = resolveKey(path.get("property"), path.node.computed);
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if (sym) return "Symbol." + sym;
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}
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if (!isIdentifier || scope.hasBinding(path.node.name,
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/* noGlobals */
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true)) {
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const {
|
value
|
} = path.evaluate();
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if (typeof value === "string") return value;
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}
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}
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function resolveSource(obj) {
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if (obj.isMemberExpression() && obj.get("property").isIdentifier({
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name: "prototype"
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})) {
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const id = resolveId(obj.get("object"));
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if (id) {
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return {
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id,
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placement: "prototype"
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};
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}
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return {
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id: null,
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placement: null
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};
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}
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const id = resolveId(obj);
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|
if (id) {
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return {
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id,
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placement: "static"
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};
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}
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const {
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value
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} = obj.evaluate();
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if (value !== undefined) {
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return {
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id: getType(value),
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placement: "prototype"
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};
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} else if (obj.isRegExpLiteral()) {
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return {
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id: "RegExp",
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placement: "prototype"
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};
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} else if (obj.isFunction()) {
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return {
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id: "Function",
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placement: "prototype"
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};
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}
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return {
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id: null,
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placement: null
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};
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}
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function getImportSource({
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node
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}) {
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if (node.specifiers.length === 0) return node.source.value;
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}
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function getRequireSource({
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node
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}) {
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if (!t$1.isExpressionStatement(node)) return;
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const {
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expression
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} = node;
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if (t$1.isCallExpression(expression) && t$1.isIdentifier(expression.callee) && expression.callee.name === "require" && expression.arguments.length === 1 && t$1.isStringLiteral(expression.arguments[0])) {
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return expression.arguments[0].value;
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}
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}
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function hoist(node) {
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// @ts-expect-error
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node._blockHoist = 3;
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return node;
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}
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function createUtilsGetter(cache) {
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return path => {
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const prog = path.findParent(p => p.isProgram());
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return {
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injectGlobalImport(url) {
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cache.storeAnonymous(prog, url, (isScript, source) => {
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return isScript ? template.statement.ast`require(${source})` : t$1.importDeclaration([], source);
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});
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},
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injectNamedImport(url, name, hint = name) {
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return cache.storeNamed(prog, url, name, (isScript, source, name) => {
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const id = prog.scope.generateUidIdentifier(hint);
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return {
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node: isScript ? hoist(template.statement.ast`
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var ${id} = require(${source}).${name}
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`) : t$1.importDeclaration([t$1.importSpecifier(id, name)], source),
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name: id.name
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};
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});
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},
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injectDefaultImport(url, hint = url) {
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return cache.storeNamed(prog, url, "default", (isScript, source) => {
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const id = prog.scope.generateUidIdentifier(hint);
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return {
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node: isScript ? hoist(template.statement.ast`var ${id} = require(${source})`) : t$1.importDeclaration([t$1.importDefaultSpecifier(id)], source),
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name: id.name
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};
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});
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}
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|
};
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};
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}
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|
const {
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types: t
|
} = _babel.default || _babel;
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class ImportsCache {
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constructor(resolver) {
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this._imports = new WeakMap();
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this._anonymousImports = new WeakMap();
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this._lastImports = new WeakMap();
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this._resolver = resolver;
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}
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storeAnonymous(programPath, url, // eslint-disable-next-line no-undef
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getVal) {
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const key = this._normalizeKey(programPath, url);
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const imports = this._ensure(this._anonymousImports, programPath, Set);
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if (imports.has(key)) return;
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const node = getVal(programPath.node.sourceType === "script", t.stringLiteral(this._resolver(url)));
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imports.add(key);
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this._injectImport(programPath, node);
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}
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storeNamed(programPath, url, name, getVal) {
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const key = this._normalizeKey(programPath, url, name);
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const imports = this._ensure(this._imports, programPath, Map);
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if (!imports.has(key)) {
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const {
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node,
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name: id
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} = getVal(programPath.node.sourceType === "script", t.stringLiteral(this._resolver(url)), t.identifier(name));
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imports.set(key, id);
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this._injectImport(programPath, node);
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}
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return t.identifier(imports.get(key));
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}
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_injectImport(programPath, node) {
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const lastImport = this._lastImports.get(programPath);
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let newNodes;
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if (lastImport && lastImport.node && // Sometimes the AST is modified and the "last import"
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// we have has been replaced
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lastImport.parent === programPath.node && lastImport.container === programPath.node.body) {
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newNodes = lastImport.insertAfter(node);
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} else {
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newNodes = programPath.unshiftContainer("body", node);
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}
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const newNode = newNodes[newNodes.length - 1];
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this._lastImports.set(programPath, newNode);
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/*
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let lastImport;
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programPath.get("body").forEach(path => {
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if (path.isImportDeclaration()) lastImport = path;
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if (
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path.isExpressionStatement() &&
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isRequireCall(path.get("expression"))
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) {
|
lastImport = path;
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}
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if (
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path.isVariableDeclaration() &&
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path.get("declarations").length === 1 &&
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(isRequireCall(path.get("declarations.0.init")) ||
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(path.get("declarations.0.init").isMemberExpression() &&
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isRequireCall(path.get("declarations.0.init.object"))))
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) {
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lastImport = path;
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}
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});*/
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}
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_ensure(map, programPath, Collection) {
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let collection = map.get(programPath);
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|
if (!collection) {
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collection = new Collection();
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map.set(programPath, collection);
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}
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|
return collection;
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}
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_normalizeKey(programPath, url, name = "") {
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const {
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sourceType
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} = programPath.node; // If we rely on the imported binding (the "name" parameter), we also need to cache
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// based on the sourceType. This is because the module transforms change the names
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// of the import variables.
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return `${name && sourceType}::${url}::${name}`;
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}
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}
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const presetEnvSilentDebugHeader = "#__secret_key__@babel/preset-env__don't_log_debug_header_and_resolved_targets";
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function stringifyTargetsMultiline(targets) {
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return JSON.stringify(prettifyTargets(targets), null, 2);
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}
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function patternToRegExp(pattern) {
|
if (pattern instanceof RegExp) return pattern;
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|
try {
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return new RegExp(`^${pattern}$`);
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} catch {
|
return null;
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}
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}
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function buildUnusedError(label, unused) {
|
if (!unused.length) return "";
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return ` - The following "${label}" patterns didn't match any polyfill:\n` + unused.map(original => ` ${String(original)}\n`).join("");
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}
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function buldDuplicatesError(duplicates) {
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if (!duplicates.size) return "";
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return ` - The following polyfills were matched both by "include" and "exclude" patterns:\n` + Array.from(duplicates, name => ` ${name}\n`).join("");
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}
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function validateIncludeExclude(provider, polyfills, includePatterns, excludePatterns) {
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let current;
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const filter = pattern => {
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const regexp = patternToRegExp(pattern);
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if (!regexp) return false;
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let matched = false;
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for (const polyfill of polyfills) {
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if (regexp.test(polyfill)) {
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matched = true;
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current.add(polyfill);
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}
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}
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return !matched;
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}; // prettier-ignore
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const include = current = new Set();
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const unusedInclude = Array.from(includePatterns).filter(filter); // prettier-ignore
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const exclude = current = new Set();
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const unusedExclude = Array.from(excludePatterns).filter(filter);
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const duplicates = intersection(include, exclude);
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if (duplicates.size > 0 || unusedInclude.length > 0 || unusedExclude.length > 0) {
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throw new Error(`Error while validating the "${provider}" provider options:\n` + buildUnusedError("include", unusedInclude) + buildUnusedError("exclude", unusedExclude) + buldDuplicatesError(duplicates));
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}
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return {
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include,
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exclude
|
};
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}
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function applyMissingDependenciesDefaults(options, babelApi) {
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const {
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missingDependencies = {}
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} = options;
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if (missingDependencies === false) return false;
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const caller = babelApi.caller(caller => caller == null ? void 0 : caller.name);
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const {
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log = "deferred",
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inject = caller === "rollup-plugin-babel" ? "throw" : "import",
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all = false
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} = missingDependencies;
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return {
|
log,
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inject,
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all
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};
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}
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|
var usage = (callProvider => {
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function property(object, key, placement, path) {
|
return callProvider({
|
kind: "property",
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object,
|
key,
|
placement
|
}, path);
|
}
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|
return {
|
// Symbol(), new Promise
|
ReferencedIdentifier(path) {
|
const {
|
node: {
|
name
|
},
|
scope
|
} = path;
|
if (scope.getBindingIdentifier(name)) return;
|
callProvider({
|
kind: "global",
|
name
|
}, path);
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},
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|
MemberExpression(path) {
|
const key = resolveKey(path.get("property"), path.node.computed);
|
if (!key || key === "prototype") return;
|
const object = path.get("object");
|
|
if (object.isIdentifier()) {
|
const binding = object.scope.getBinding(object.node.name);
|
if (binding && binding.path.isImportNamespaceSpecifier()) return;
|
}
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|
const source = resolveSource(object);
|
return property(source.id, key, source.placement, path);
|
},
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|
ObjectPattern(path) {
|
const {
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parentPath,
|
parent
|
} = path;
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let obj; // const { keys, values } = Object
|
|
if (parentPath.isVariableDeclarator()) {
|
obj = parentPath.get("init"); // ({ keys, values } = Object)
|
} else if (parentPath.isAssignmentExpression()) {
|
obj = parentPath.get("right"); // !function ({ keys, values }) {...} (Object)
|
// resolution does not work after properties transform :-(
|
} else if (parentPath.isFunction()) {
|
const grand = parentPath.parentPath;
|
|
if (grand.isCallExpression() || grand.isNewExpression()) {
|
if (grand.node.callee === parent) {
|
obj = grand.get("arguments")[path.key];
|
}
|
}
|
}
|
|
let id = null;
|
let placement = null;
|
if (obj) ({
|
id,
|
placement
|
} = resolveSource(obj));
|
|
for (const prop of path.get("properties")) {
|
if (prop.isObjectProperty()) {
|
const key = resolveKey(prop.get("key"));
|
if (key) property(id, key, placement, prop);
|
}
|
}
|
},
|
|
BinaryExpression(path) {
|
if (path.node.operator !== "in") return;
|
const source = resolveSource(path.get("right"));
|
const key = resolveKey(path.get("left"), true);
|
if (!key) return;
|
callProvider({
|
kind: "in",
|
object: source.id,
|
key,
|
placement: source.placement
|
}, path);
|
}
|
|
};
|
});
|
|
var entry = (callProvider => ({
|
ImportDeclaration(path) {
|
const source = getImportSource(path);
|
if (!source) return;
|
callProvider({
|
kind: "import",
|
source
|
}, path);
|
},
|
|
Program(path) {
|
path.get("body").forEach(bodyPath => {
|
const source = getRequireSource(bodyPath);
|
if (!source) return;
|
callProvider({
|
kind: "import",
|
source
|
}, bodyPath);
|
});
|
}
|
|
}));
|
|
function resolve(dirname, moduleName, absoluteImports) {
|
if (absoluteImports === false) return moduleName;
|
throw new Error(`"absoluteImports" is not supported in bundles prepared for the browser.`);
|
} // eslint-disable-next-line @typescript-eslint/no-unused-vars
|
|
function has(basedir, name) {
|
return true;
|
} // eslint-disable-next-line @typescript-eslint/no-unused-vars
|
|
function logMissing(missingDeps) {} // eslint-disable-next-line @typescript-eslint/no-unused-vars
|
|
function laterLogMissing(missingDeps) {}
|
|
const PossibleGlobalObjects = new Set(["global", "globalThis", "self", "window"]);
|
function createMetaResolver(polyfills) {
|
const {
|
static: staticP,
|
instance: instanceP,
|
global: globalP
|
} = polyfills;
|
return meta => {
|
if (meta.kind === "global" && globalP && has$1(globalP, meta.name)) {
|
return {
|
kind: "global",
|
desc: globalP[meta.name],
|
name: meta.name
|
};
|
}
|
|
if (meta.kind === "property" || meta.kind === "in") {
|
const {
|
placement,
|
object,
|
key
|
} = meta;
|
|
if (object && placement === "static") {
|
if (globalP && PossibleGlobalObjects.has(object) && has$1(globalP, key)) {
|
return {
|
kind: "global",
|
desc: globalP[key],
|
name: key
|
};
|
}
|
|
if (staticP && has$1(staticP, object) && has$1(staticP[object], key)) {
|
return {
|
kind: "static",
|
desc: staticP[object][key],
|
name: `${object}$${key}`
|
};
|
}
|
}
|
|
if (instanceP && has$1(instanceP, key)) {
|
return {
|
kind: "instance",
|
desc: instanceP[key],
|
name: `${key}`
|
};
|
}
|
}
|
};
|
}
|
|
const getTargets = _getTargets.default || _getTargets;
|
|
function resolveOptions(options, babelApi) {
|
const {
|
method,
|
targets: targetsOption,
|
ignoreBrowserslistConfig,
|
configPath,
|
debug,
|
shouldInjectPolyfill,
|
absoluteImports,
|
...providerOptions
|
} = options;
|
|
if (isEmpty(options)) {
|
throw new Error(`\
|
This plugin requires options, for example:
|
{
|
"plugins": [
|
["<plugin name>", { method: "usage-pure" }]
|
]
|
}
|
|
See more options at https://github.com/babel/babel-polyfills/blob/main/docs/usage.md`);
|
}
|
|
let methodName;
|
if (method === "usage-global") methodName = "usageGlobal";else if (method === "entry-global") methodName = "entryGlobal";else if (method === "usage-pure") methodName = "usagePure";else if (typeof method !== "string") {
|
throw new Error(".method must be a string");
|
} else {
|
throw new Error(`.method must be one of "entry-global", "usage-global"` + ` or "usage-pure" (received ${JSON.stringify(method)})`);
|
}
|
|
if (typeof shouldInjectPolyfill === "function") {
|
if (options.include || options.exclude) {
|
throw new Error(`.include and .exclude are not supported when using the` + ` .shouldInjectPolyfill function.`);
|
}
|
} else if (shouldInjectPolyfill != null) {
|
throw new Error(`.shouldInjectPolyfill must be a function, or undefined` + ` (received ${JSON.stringify(shouldInjectPolyfill)})`);
|
}
|
|
if (absoluteImports != null && typeof absoluteImports !== "boolean" && typeof absoluteImports !== "string") {
|
throw new Error(`.absoluteImports must be a boolean, a string, or undefined` + ` (received ${JSON.stringify(absoluteImports)})`);
|
}
|
|
let targets;
|
|
if ( // If any browserslist-related option is specified, fallback to the old
|
// behavior of not using the targets specified in the top-level options.
|
targetsOption || configPath || ignoreBrowserslistConfig) {
|
const targetsObj = typeof targetsOption === "string" || Array.isArray(targetsOption) ? {
|
browsers: targetsOption
|
} : targetsOption;
|
targets = getTargets(targetsObj, {
|
ignoreBrowserslistConfig,
|
configPath
|
});
|
} else {
|
targets = babelApi.targets();
|
}
|
|
return {
|
method,
|
methodName,
|
targets,
|
absoluteImports: absoluteImports != null ? absoluteImports : false,
|
shouldInjectPolyfill,
|
debug: !!debug,
|
providerOptions: providerOptions
|
};
|
}
|
|
function instantiateProvider(factory, options, missingDependencies, dirname, debugLog, babelApi) {
|
const {
|
method,
|
methodName,
|
targets,
|
debug,
|
shouldInjectPolyfill,
|
providerOptions,
|
absoluteImports
|
} = resolveOptions(options, babelApi);
|
const getUtils = createUtilsGetter(new ImportsCache(moduleName => resolve(dirname, moduleName, absoluteImports))); // eslint-disable-next-line prefer-const
|
|
let include, exclude;
|
let polyfillsSupport;
|
let polyfillsNames;
|
let filterPolyfills;
|
const depsCache = new Map();
|
const api = {
|
babel: babelApi,
|
getUtils,
|
method: options.method,
|
targets,
|
createMetaResolver,
|
|
shouldInjectPolyfill(name) {
|
if (polyfillsNames === undefined) {
|
throw new Error(`Internal error in the ${factory.name} provider: ` + `shouldInjectPolyfill() can't be called during initialization.`);
|
}
|
|
if (!polyfillsNames.has(name)) {
|
console.warn(`Internal error in the ${provider.name} provider: ` + `unknown polyfill "${name}".`);
|
}
|
|
if (filterPolyfills && !filterPolyfills(name)) return false;
|
let shouldInject = isRequired(name, targets, {
|
compatData: polyfillsSupport,
|
includes: include,
|
excludes: exclude
|
});
|
|
if (shouldInjectPolyfill) {
|
shouldInject = shouldInjectPolyfill(name, shouldInject);
|
|
if (typeof shouldInject !== "boolean") {
|
throw new Error(`.shouldInjectPolyfill must return a boolean.`);
|
}
|
}
|
|
return shouldInject;
|
},
|
|
debug(name) {
|
var _debugLog, _debugLog$polyfillsSu;
|
|
debugLog().found = true;
|
if (!debug || !name) return;
|
if (debugLog().polyfills.has(provider.name)) return;
|
debugLog().polyfills.add(name);
|
(_debugLog$polyfillsSu = (_debugLog = debugLog()).polyfillsSupport) != null ? _debugLog$polyfillsSu : _debugLog.polyfillsSupport = polyfillsSupport;
|
},
|
|
assertDependency(name, version = "*") {
|
if (missingDependencies === false) return;
|
|
if (absoluteImports) {
|
// If absoluteImports is not false, we will try resolving
|
// the dependency and throw if it's not possible. We can
|
// skip the check here.
|
return;
|
}
|
|
const dep = version === "*" ? name : `${name}@^${version}`;
|
const found = missingDependencies.all ? false : mapGetOr(depsCache, `${name} :: ${dirname}`, () => has());
|
|
if (!found) {
|
debugLog().missingDeps.add(dep);
|
}
|
}
|
|
};
|
const provider = factory(api, providerOptions, dirname);
|
|
if (typeof provider[methodName] !== "function") {
|
throw new Error(`The "${provider.name || factory.name}" provider doesn't ` + `support the "${method}" polyfilling method.`);
|
}
|
|
if (Array.isArray(provider.polyfills)) {
|
polyfillsNames = new Set(provider.polyfills);
|
filterPolyfills = provider.filterPolyfills;
|
} else if (provider.polyfills) {
|
polyfillsNames = new Set(Object.keys(provider.polyfills));
|
polyfillsSupport = provider.polyfills;
|
filterPolyfills = provider.filterPolyfills;
|
} else {
|
polyfillsNames = new Set();
|
}
|
|
({
|
include,
|
exclude
|
} = validateIncludeExclude(provider.name || factory.name, polyfillsNames, providerOptions.include || [], providerOptions.exclude || []));
|
return {
|
debug,
|
method,
|
targets,
|
provider,
|
|
callProvider(payload, path) {
|
const utils = getUtils(path);
|
provider[methodName](payload, utils, path);
|
}
|
|
};
|
}
|
|
function definePolyfillProvider(factory) {
|
return declare((babelApi, options, dirname) => {
|
babelApi.assertVersion(7);
|
const {
|
traverse
|
} = babelApi;
|
let debugLog;
|
const missingDependencies = applyMissingDependenciesDefaults(options, babelApi);
|
const {
|
debug,
|
method,
|
targets,
|
provider,
|
callProvider
|
} = instantiateProvider(factory, options, missingDependencies, dirname, () => debugLog, babelApi);
|
const createVisitor = method === "entry-global" ? entry : usage;
|
const visitor = provider.visitor ? traverse.visitors.merge([createVisitor(callProvider), provider.visitor]) : createVisitor(callProvider);
|
|
if (debug && debug !== presetEnvSilentDebugHeader) {
|
console.log(`${provider.name}: \`DEBUG\` option`);
|
console.log(`\nUsing targets: ${stringifyTargetsMultiline(targets)}`);
|
console.log(`\nUsing polyfills with \`${method}\` method:`);
|
}
|
|
return {
|
name: "inject-polyfills",
|
visitor,
|
|
pre() {
|
var _provider$pre;
|
|
debugLog = {
|
polyfills: new Set(),
|
polyfillsSupport: undefined,
|
found: false,
|
providers: new Set(),
|
missingDeps: new Set()
|
};
|
(_provider$pre = provider.pre) == null ? void 0 : _provider$pre.apply(this, arguments);
|
},
|
|
post() {
|
var _provider$post;
|
|
(_provider$post = provider.post) == null ? void 0 : _provider$post.apply(this, arguments);
|
|
if (missingDependencies !== false) {
|
if (missingDependencies.log === "per-file") {
|
logMissing(debugLog.missingDeps);
|
} else {
|
laterLogMissing(debugLog.missingDeps);
|
}
|
}
|
|
if (!debug) return;
|
if (this.filename) console.log(`\n[${this.filename}]`);
|
|
if (debugLog.polyfills.size === 0) {
|
console.log(method === "entry-global" ? debugLog.found ? `Based on your targets, the ${provider.name} polyfill did not add any polyfill.` : `The entry point for the ${provider.name} polyfill has not been found.` : `Based on your code and targets, the ${provider.name} polyfill did not add any polyfill.`);
|
return;
|
}
|
|
if (method === "entry-global") {
|
console.log(`The ${provider.name} polyfill entry has been replaced with ` + `the following polyfills:`);
|
} else {
|
console.log(`The ${provider.name} polyfill added the following polyfills:`);
|
}
|
|
for (const name of debugLog.polyfills) {
|
var _debugLog$polyfillsSu2;
|
|
if ((_debugLog$polyfillsSu2 = debugLog.polyfillsSupport) != null && _debugLog$polyfillsSu2[name]) {
|
const filteredTargets = getInclusionReasons(name, targets, debugLog.polyfillsSupport);
|
const formattedTargets = JSON.stringify(filteredTargets).replace(/,/g, ", ").replace(/^\{"/, '{ "').replace(/"\}$/, '" }');
|
console.log(` ${name} ${formattedTargets}`);
|
} else {
|
console.log(` ${name}`);
|
}
|
}
|
}
|
|
};
|
});
|
}
|
|
function mapGetOr(map, key, getDefault) {
|
let val = map.get(key);
|
|
if (val === undefined) {
|
val = getDefault();
|
map.set(key, val);
|
}
|
|
return val;
|
}
|
|
function isEmpty(obj) {
|
return Object.keys(obj).length === 0;
|
}
|
|
export default definePolyfillProvider;
|
//# sourceMappingURL=index.browser.mjs.map
|
