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271 lines
8.8 KiB
271 lines
8.8 KiB
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = void 0;
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var _assert = _interopRequireDefault(require("assert"));
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var t = _interopRequireWildcard(require("@babel/types"));
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var _importBuilder = _interopRequireDefault(require("./import-builder"));
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var _isModule = _interopRequireDefault(require("./is-module"));
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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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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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class ImportInjector {
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constructor(path, importedSource, opts) {
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this._defaultOpts = {
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importedSource: null,
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importedType: "commonjs",
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importedInterop: "babel",
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importingInterop: "babel",
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ensureLiveReference: false,
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ensureNoContext: false
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};
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const programPath = path.find(p => p.isProgram());
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this._programPath = programPath;
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this._programScope = programPath.scope;
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this._hub = programPath.hub;
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this._defaultOpts = this._applyDefaults(importedSource, opts, true);
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}
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addDefault(importedSourceIn, opts) {
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return this.addNamed("default", importedSourceIn, opts);
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}
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addNamed(importName, importedSourceIn, opts) {
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(0, _assert.default)(typeof importName === "string");
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return this._generateImport(this._applyDefaults(importedSourceIn, opts), importName);
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}
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addNamespace(importedSourceIn, opts) {
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return this._generateImport(this._applyDefaults(importedSourceIn, opts), null);
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}
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addSideEffect(importedSourceIn, opts) {
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return this._generateImport(this._applyDefaults(importedSourceIn, opts), false);
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}
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_applyDefaults(importedSource, opts, isInit = false) {
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const optsList = [];
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if (typeof importedSource === "string") {
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optsList.push({
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importedSource
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});
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optsList.push(opts);
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} else {
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(0, _assert.default)(!opts, "Unexpected secondary arguments.");
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optsList.push(importedSource);
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}
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const newOpts = Object.assign({}, this._defaultOpts);
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for (const opts of optsList) {
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if (!opts) continue;
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Object.keys(newOpts).forEach(key => {
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if (opts[key] !== undefined) newOpts[key] = opts[key];
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});
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if (!isInit) {
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if (opts.nameHint !== undefined) newOpts.nameHint = opts.nameHint;
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if (opts.blockHoist !== undefined) newOpts.blockHoist = opts.blockHoist;
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}
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}
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return newOpts;
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}
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_generateImport(opts, importName) {
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const isDefault = importName === "default";
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const isNamed = !!importName && !isDefault;
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const isNamespace = importName === null;
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const {
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importedSource,
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importedType,
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importedInterop,
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importingInterop,
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ensureLiveReference,
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ensureNoContext,
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nameHint,
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blockHoist
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} = opts;
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let name = nameHint || importName;
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const isMod = (0, _isModule.default)(this._programPath);
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const isModuleForNode = isMod && importingInterop === "node";
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const isModuleForBabel = isMod && importingInterop === "babel";
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const builder = new _importBuilder.default(importedSource, this._programScope, this._hub);
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if (importedType === "es6") {
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if (!isModuleForNode && !isModuleForBabel) {
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throw new Error("Cannot import an ES6 module from CommonJS");
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}
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builder.import();
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if (isNamespace) {
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builder.namespace(nameHint || importedSource);
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} else if (isDefault || isNamed) {
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builder.named(name, importName);
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}
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} else if (importedType !== "commonjs") {
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throw new Error(`Unexpected interopType "${importedType}"`);
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} else if (importedInterop === "babel") {
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if (isModuleForNode) {
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name = name !== "default" ? name : importedSource;
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const es6Default = `${importedSource}$es6Default`;
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builder.import();
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if (isNamespace) {
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builder.default(es6Default).var(name || importedSource).wildcardInterop();
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} else if (isDefault) {
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if (ensureLiveReference) {
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builder.default(es6Default).var(name || importedSource).defaultInterop().read("default");
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} else {
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builder.default(es6Default).var(name).defaultInterop().prop(importName);
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}
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} else if (isNamed) {
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builder.default(es6Default).read(importName);
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}
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} else if (isModuleForBabel) {
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builder.import();
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if (isNamespace) {
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builder.namespace(name || importedSource);
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} else if (isDefault || isNamed) {
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builder.named(name, importName);
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}
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} else {
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builder.require();
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if (isNamespace) {
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builder.var(name || importedSource).wildcardInterop();
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} else if ((isDefault || isNamed) && ensureLiveReference) {
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if (isDefault) {
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name = name !== "default" ? name : importedSource;
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builder.var(name).read(importName);
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builder.defaultInterop();
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} else {
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builder.var(importedSource).read(importName);
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}
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} else if (isDefault) {
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builder.var(name).defaultInterop().prop(importName);
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} else if (isNamed) {
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builder.var(name).prop(importName);
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}
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}
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} else if (importedInterop === "compiled") {
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if (isModuleForNode) {
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builder.import();
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if (isNamespace) {
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builder.default(name || importedSource);
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} else if (isDefault || isNamed) {
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builder.default(importedSource).read(name);
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}
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} else if (isModuleForBabel) {
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builder.import();
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if (isNamespace) {
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builder.namespace(name || importedSource);
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} else if (isDefault || isNamed) {
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builder.named(name, importName);
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}
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} else {
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builder.require();
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if (isNamespace) {
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builder.var(name || importedSource);
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} else if (isDefault || isNamed) {
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if (ensureLiveReference) {
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builder.var(importedSource).read(name);
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} else {
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builder.prop(importName).var(name);
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}
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}
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}
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} else if (importedInterop === "uncompiled") {
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if (isDefault && ensureLiveReference) {
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throw new Error("No live reference for commonjs default");
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}
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if (isModuleForNode) {
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builder.import();
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if (isNamespace) {
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builder.default(name || importedSource);
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} else if (isDefault) {
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builder.default(name);
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} else if (isNamed) {
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builder.default(importedSource).read(name);
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}
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} else if (isModuleForBabel) {
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builder.import();
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if (isNamespace) {
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builder.default(name || importedSource);
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} else if (isDefault) {
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builder.default(name);
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} else if (isNamed) {
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builder.named(name, importName);
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}
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} else {
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builder.require();
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if (isNamespace) {
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builder.var(name || importedSource);
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} else if (isDefault) {
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builder.var(name);
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} else if (isNamed) {
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if (ensureLiveReference) {
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builder.var(importedSource).read(name);
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} else {
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builder.var(name).prop(importName);
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}
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}
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}
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} else {
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throw new Error(`Unknown importedInterop "${importedInterop}".`);
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}
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const {
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statements,
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resultName
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} = builder.done();
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this._insertStatements(statements, blockHoist);
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if ((isDefault || isNamed) && ensureNoContext && resultName.type !== "Identifier") {
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return t.sequenceExpression([t.numericLiteral(0), resultName]);
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}
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return resultName;
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}
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_insertStatements(statements, blockHoist = 3) {
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statements.forEach(node => {
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node._blockHoist = blockHoist;
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});
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const targetPath = this._programPath.get("body").find(p => {
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const val = p.node._blockHoist;
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return Number.isFinite(val) && val < 4;
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});
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if (targetPath) {
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targetPath.insertBefore(statements);
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} else {
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this._programPath.unshiftContainer("body", statements);
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}
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}
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}
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exports.default = ImportInjector;
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