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-rw-r--r--node_modules/@babel/helper-define-polyfill-provider/lib/utils.js165
1 files changed, 165 insertions, 0 deletions
diff --git a/node_modules/@babel/helper-define-polyfill-provider/lib/utils.js b/node_modules/@babel/helper-define-polyfill-provider/lib/utils.js
new file mode 100644
index 00000000..0aff88b1
--- /dev/null
+++ b/node_modules/@babel/helper-define-polyfill-provider/lib/utils.js
@@ -0,0 +1,165 @@
+"use strict";
+
+exports.__esModule = true;
+exports.createUtilsGetter = createUtilsGetter;
+exports.getImportSource = getImportSource;
+exports.getRequireSource = getRequireSource;
+exports.has = has;
+exports.intersection = intersection;
+exports.resolveKey = resolveKey;
+exports.resolveSource = resolveSource;
+var _babel = _interopRequireWildcard(require("@babel/core"));
+function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function (nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }
+function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
+const {
+ types: t,
+ template: template
+} = _babel.default || _babel;
+function intersection(a, b) {
+ const result = new Set();
+ a.forEach(v => b.has(v) && result.add(v));
+ return result;
+}
+function has(object, key) {
+ return Object.prototype.hasOwnProperty.call(object, key);
+}
+function getType(target) {
+ return Object.prototype.toString.call(target).slice(8, -1);
+}
+function resolveId(path) {
+ if (path.isIdentifier() && !path.scope.hasBinding(path.node.name, /* noGlobals */true)) {
+ return path.node.name;
+ }
+ if (path.isPure()) {
+ const {
+ deopt
+ } = path.evaluate();
+ if (deopt && deopt.isIdentifier()) {
+ return deopt.node.name;
+ }
+ }
+}
+function resolveKey(path, computed = false) {
+ const {
+ scope
+ } = path;
+ if (path.isStringLiteral()) return path.node.value;
+ const isIdentifier = path.isIdentifier();
+ if (isIdentifier && !(computed || path.parent.computed)) {
+ return path.node.name;
+ }
+ if (computed && path.isMemberExpression() && path.get("object").isIdentifier({
+ name: "Symbol"
+ }) && !scope.hasBinding("Symbol", /* noGlobals */true)) {
+ const sym = resolveKey(path.get("property"), path.node.computed);
+ if (sym) return "Symbol." + sym;
+ }
+ if (isIdentifier ? scope.hasBinding(path.node.name, /* noGlobals */true) : path.isPure()) {
+ const {
+ value
+ } = path.evaluate();
+ if (typeof value === "string") return value;
+ }
+}
+function resolveSource(obj) {
+ if (obj.isMemberExpression() && obj.get("property").isIdentifier({
+ name: "prototype"
+ })) {
+ const id = resolveId(obj.get("object"));
+ if (id) {
+ return {
+ id,
+ placement: "prototype"
+ };
+ }
+ return {
+ id: null,
+ placement: null
+ };
+ }
+ const id = resolveId(obj);
+ if (id) {
+ return {
+ id,
+ placement: "static"
+ };
+ }
+ if (obj.isRegExpLiteral()) {
+ return {
+ id: "RegExp",
+ placement: "prototype"
+ };
+ } else if (obj.isFunction()) {
+ return {
+ id: "Function",
+ placement: "prototype"
+ };
+ } else if (obj.isPure()) {
+ const {
+ value
+ } = obj.evaluate();
+ if (value !== undefined) {
+ return {
+ id: getType(value),
+ placement: "prototype"
+ };
+ }
+ }
+ return {
+ id: null,
+ placement: null
+ };
+}
+function getImportSource({
+ node
+}) {
+ if (node.specifiers.length === 0) return node.source.value;
+}
+function getRequireSource({
+ node
+}) {
+ if (!t.isExpressionStatement(node)) return;
+ const {
+ expression
+ } = node;
+ if (t.isCallExpression(expression) && t.isIdentifier(expression.callee) && expression.callee.name === "require" && expression.arguments.length === 1 && t.isStringLiteral(expression.arguments[0])) {
+ return expression.arguments[0].value;
+ }
+}
+function hoist(node) {
+ // @ts-expect-error
+ node._blockHoist = 3;
+ return node;
+}
+function createUtilsGetter(cache) {
+ return path => {
+ const prog = path.findParent(p => p.isProgram());
+ return {
+ injectGlobalImport(url) {
+ cache.storeAnonymous(prog, url, (isScript, source) => {
+ return isScript ? template.statement.ast`require(${source})` : t.importDeclaration([], source);
+ });
+ },
+ injectNamedImport(url, name, hint = name) {
+ return cache.storeNamed(prog, url, name, (isScript, source, name) => {
+ const id = prog.scope.generateUidIdentifier(hint);
+ return {
+ node: isScript ? hoist(template.statement.ast`
+ var ${id} = require(${source}).${name}
+ `) : t.importDeclaration([t.importSpecifier(id, name)], source),
+ name: id.name
+ };
+ });
+ },
+ injectDefaultImport(url, hint = url) {
+ return cache.storeNamed(prog, url, "default", (isScript, source) => {
+ const id = prog.scope.generateUidIdentifier(hint);
+ return {
+ node: isScript ? hoist(template.statement.ast`var ${id} = require(${source})`) : t.importDeclaration([t.importDefaultSpecifier(id)], source),
+ name: id.name
+ };
+ });
+ }
+ };
+ };
+} \ No newline at end of file