196 lines
5.2 KiB
JavaScript
196 lines
5.2 KiB
JavaScript
"use strict";
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exports.__esModule = true;
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exports.intersection = intersection;
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exports.has = has;
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exports.resolveKey = resolveKey;
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exports.resolveSource = resolveSource;
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exports.getImportSource = getImportSource;
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exports.getRequireSource = getRequireSource;
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exports.createUtilsGetter = createUtilsGetter;
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var babel = _interopRequireWildcard(require("@babel/core"));
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function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function () { return cache; }; return cache; }
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function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (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; }
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const {
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types: t,
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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(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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node,
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parent,
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scope
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} = path;
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if (path.isStringLiteral()) return node.value;
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const {
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name
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} = node;
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const isIdentifier = path.isIdentifier();
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if (isIdentifier && !(computed || parent.computed)) return name;
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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(name,
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/* noGlobals */
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true)) {
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const {
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value
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} = 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.isExpressionStatement(node)) return;
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const {
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expression
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} = node;
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const isRequire = t.isCallExpression(expression) && t.isIdentifier(expression.callee) && expression.callee.name === "require" && expression.arguments.length === 1 && t.isStringLiteral(expression.arguments[0]);
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if (isRequire) return expression.arguments[0].value;
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}
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function hoist(node) {
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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.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.importDeclaration([t.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.importDeclaration([t.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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} |