source: trip-planner-front/node_modules/@angular/compiler-cli/ngcc/src/dependencies/commonjs_dependency_host.js

(function (factory) {
    if (typeof module === "object" && typeof module.exports === "object") {
        var v = factory(require, exports);
        if (v !== undefined) module.exports = v;
    }
    else if (typeof define === "function" && define.amd) {
        define("@angular/compiler-cli/ngcc/src/dependencies/commonjs_dependency_host", ["require", "exports", "tslib", "typescript", "@angular/compiler-cli/ngcc/src/host/commonjs_umd_utils", "@angular/compiler-cli/ngcc/src/dependencies/dependency_host"], factory);
    }
})(function (require, exports) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    exports.hasRequireCalls = exports.CommonJsDependencyHost = void 0;
    var tslib_1 = require("tslib");
    /**
     * @license
     * Copyright Google LLC All Rights Reserved.
     *
     * Use of this source code is governed by an MIT-style license that can be
     * found in the LICENSE file at https://angular.io/license
     */
    var ts = require("typescript");
    var commonjs_umd_utils_1 = require("@angular/compiler-cli/ngcc/src/host/commonjs_umd_utils");
    var dependency_host_1 = require("@angular/compiler-cli/ngcc/src/dependencies/dependency_host");
    /**
     * Helper functions for computing dependencies.
     */
    var CommonJsDependencyHost = /** @class */ (function (_super) {
        tslib_1.__extends(CommonJsDependencyHost, _super);
        function CommonJsDependencyHost() {
            return _super !== null && _super.apply(this, arguments) || this;
        }
        CommonJsDependencyHost.prototype.canSkipFile = function (fileContents) {
            return !hasRequireCalls(fileContents);
        };
        CommonJsDependencyHost.prototype.extractImports = function (file, fileContents) {
            var e_1, _a, e_2, _b;
            // Parse the source into a TypeScript AST and then walk it looking for imports and re-exports.
            var sf = ts.createSourceFile(file, fileContents, ts.ScriptTarget.ES2015, false, ts.ScriptKind.JS);
            var requireCalls = [];
            try {
                for (var _c = tslib_1.__values(sf.statements), _d = _c.next(); !_d.done; _d = _c.next()) {
                    var stmt = _d.value;
                    if (ts.isVariableStatement(stmt)) {
                        // Regular import(s):
                        // `var foo = require('...')` or `var foo = require('...'), bar = require('...')`
                        var declarations = stmt.declarationList.declarations;
                        try {
                            for (var declarations_1 = (e_2 = void 0, tslib_1.__values(declarations)), declarations_1_1 = declarations_1.next(); !declarations_1_1.done; declarations_1_1 = declarations_1.next()) {
                                var declaration = declarations_1_1.value;
                                if ((declaration.initializer !== undefined) && commonjs_umd_utils_1.isRequireCall(declaration.initializer)) {
                                    requireCalls.push(declaration.initializer);
                                }
                            }
                        }
                        catch (e_2_1) { e_2 = { error: e_2_1 }; }
                        finally {
                            try {
                                if (declarations_1_1 && !declarations_1_1.done && (_b = declarations_1.return)) _b.call(declarations_1);
                            }
                            finally { if (e_2) throw e_2.error; }
                        }
                    }
                    else if (ts.isExpressionStatement(stmt)) {
                        if (commonjs_umd_utils_1.isRequireCall(stmt.expression)) {
                            // Import for the side-effects only:
                            // `require('...')`
                            requireCalls.push(stmt.expression);
                        }
                        else if (commonjs_umd_utils_1.isWildcardReexportStatement(stmt)) {
                            // Re-export in one of the following formats:
                            // - `__export(require('...'))`
                            // - `__export(<identifier>)`
                            // - `tslib_1.__exportStar(require('...'), exports)`
                            // - `tslib_1.__exportStar(<identifier>, exports)`
                            var firstExportArg = stmt.expression.arguments[0];
                            if (commonjs_umd_utils_1.isRequireCall(firstExportArg)) {
                                // Re-export with `require()` call:
                                // `__export(require('...'))` or `tslib_1.__exportStar(require('...'), exports)`
                                requireCalls.push(firstExportArg);
                            }
                        }
                        else if (ts.isBinaryExpression(stmt.expression) &&
                            (stmt.expression.operatorToken.kind === ts.SyntaxKind.EqualsToken)) {
                            if (commonjs_umd_utils_1.isRequireCall(stmt.expression.right)) {
                                // Import with assignment. E.g.:
                                // `exports.foo = require('...')`
                                requireCalls.push(stmt.expression.right);
                            }
                            else if (ts.isObjectLiteralExpression(stmt.expression.right)) {
                                // Import in object literal. E.g.:
                                // `module.exports = {foo: require('...')}`
                                stmt.expression.right.properties.forEach(function (prop) {
                                    if (ts.isPropertyAssignment(prop) && commonjs_umd_utils_1.isRequireCall(prop.initializer)) {
                                        requireCalls.push(prop.initializer);
                                    }
                                });
                            }
                        }
                    }
                }
            }
            catch (e_1_1) { e_1 = { error: e_1_1 }; }
            finally {
                try {
                    if (_d && !_d.done && (_a = _c.return)) _a.call(_c);
                }
                finally { if (e_1) throw e_1.error; }
            }
            return new Set(requireCalls.map(function (call) { return call.arguments[0].text; }));
        };
        return CommonJsDependencyHost;
    }(dependency_host_1.DependencyHostBase));
    exports.CommonJsDependencyHost = CommonJsDependencyHost;
    /**
     * Check whether a source file needs to be parsed for imports.
     * This is a performance short-circuit, which saves us from creating
     * a TypeScript AST unnecessarily.
     *
     * @param source The content of the source file to check.
     *
     * @returns false if there are definitely no require calls
     * in this file, true otherwise.
     */
    function hasRequireCalls(source) {
        return /require\(['"]/.test(source);
    }
    exports.hasRequireCalls = hasRequireCalls;
});
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"commonjs_dependency_host.js","sourceRoot":"","sources":["../../../../../../../../packages/compiler-cli/ngcc/src/dependencies/commonjs_dependency_host.ts"],"names":[],"mappings":";;;;;;;;;;;;;IAAA;;;;;;OAMG;IACH,+BAAiC;IAGjC,6FAAmG;IAEnG,+FAAqD;IAErD;;OAEG;IACH;QAA4C,kDAAkB;QAA9D;;QA6DA,CAAC;QA5DoB,4CAAW,GAA9B,UAA+B,YAAoB;YACjD,OAAO,CAAC,eAAe,CAAC,YAAY,CAAC,CAAC;QACxC,CAAC;QAEkB,+CAAc,GAAjC,UAAkC,IAAoB,EAAE,YAAoB;;YAC1E,8FAA8F;YAC9F,IAAM,EAAE,GACJ,EAAE,CAAC,gBAAgB,CAAC,IAAI,EAAE,YAAY,EAAE,EAAE,CAAC,YAAY,CAAC,MAAM,EAAE,KAAK,EAAE,EAAE,CAAC,UAAU,CAAC,EAAE,CAAC,CAAC;YAC7F,IAAM,YAAY,GAAkB,EAAE,CAAC;;gBAEvC,KAAmB,IAAA,KAAA,iBAAA,EAAE,CAAC,UAAU,CAAA,gBAAA,4BAAE;oBAA7B,IAAM,IAAI,WAAA;oBACb,IAAI,EAAE,CAAC,mBAAmB,CAAC,IAAI,CAAC,EAAE;wBAChC,qBAAqB;wBACrB,iFAAiF;wBACjF,IAAM,YAAY,GAAG,IAAI,CAAC,eAAe,CAAC,YAAY,CAAC;;4BACvD,KAA0B,IAAA,gCAAA,iBAAA,YAAY,CAAA,CAAA,0CAAA,oEAAE;gCAAnC,IAAM,WAAW,yBAAA;gCACpB,IAAI,CAAC,WAAW,CAAC,WAAW,KAAK,SAAS,CAAC,IAAI,kCAAa,CAAC,WAAW,CAAC,WAAW,CAAC,EAAE;oCACrF,YAAY,CAAC,IAAI,CAAC,WAAW,CAAC,WAAW,CAAC,CAAC;iCAC5C;6BACF;;;;;;;;;qBACF;yBAAM,IAAI,EAAE,CAAC,qBAAqB,CAAC,IAAI,CAAC,EAAE;wBACzC,IAAI,kCAAa,CAAC,IAAI,CAAC,UAAU,CAAC,EAAE;4BAClC,oCAAoC;4BACpC,mBAAmB;4BACnB,YAAY,CAAC,IAAI,CAAC,IAAI,CAAC,UAAU,CAAC,CAAC;yBACpC;6BAAM,IAAI,gDAA2B,CAAC,IAAI,CAAC,EAAE;4BAC5C,6CAA6C;4BAC7C,+BAA+B;4BAC/B,6BAA6B;4BAC7B,oDAAoD;4BACpD,kDAAkD;4BAClD,IAAM,cAAc,GAAG,IAAI,CAAC,UAAU,CAAC,SAAS,CAAC,CAAC,CAAC,CAAC;4BAEpD,IAAI,kCAAa,CAAC,cAAc,CAAC,EAAE;gCACjC,mCAAmC;gCACnC,gFAAgF;gCAChF,YAAY,CAAC,IAAI,CAAC,cAAc,CAAC,CAAC;6BACnC;yBACF;6BAAM,IACH,EAAE,CAAC,kBAAkB,CAAC,IAAI,CAAC,UAAU,CAAC;4BACtC,CAAC,IAAI,CAAC,UAAU,CAAC,aAAa,CAAC,IAAI,KAAK,EAAE,CAAC,UAAU,CAAC,WAAW,CAAC,EAAE;4BACtE,IAAI,kCAAa,CAAC,IAAI,CAAC,UAAU,CAAC,KAAK,CAAC,EAAE;gCACxC,gCAAgC;gCAChC,iCAAiC;gCACjC,YAAY,CAAC,IAAI,CAAC,IAAI,CAAC,UAAU,CAAC,KAAK,CAAC,CAAC;6BAC1C;iCAAM,IAAI,EAAE,CAAC,yBAAyB,CAAC,IAAI,CAAC,UAAU,CAAC,KAAK,CAAC,EAAE;gCAC9D,kCAAkC;gCAClC,2CAA2C;gCAC3C,IAAI,CAAC,UAAU,CAAC,KAAK,CAAC,UAAU,CAAC,OAAO,CAAC,UAAA,IAAI;oCAC3C,IAAI,EAAE,CAAC,oBAAoB,CAAC,IAAI,CAAC,IAAI,kCAAa,CAAC,IAAI,CAAC,WAAW,CAAC,EAAE;wCACpE,YAAY,CAAC,IAAI,CAAC,IAAI,CAAC,WAAW,CAAC,CAAC;qCACrC;gCACH,CAAC,CAAC,CAAC;6BACJ;yBACF;qBACF;iBACF;;;;;;;;;YAED,OAAO,IAAI,GAAG,CAAC,YAAY,CAAC,GAAG,CAAC,UAAA,IAAI,IAAI,OAAA,IAAI,CAAC,SAAS,CAAC,CAAC,CAAC,CAAC,IAAI,EAAtB,CAAsB,CAAC,CAAC,CAAC;QACnE,CAAC;QACH,6BAAC;IAAD,CAAC,AA7DD,CAA4C,oCAAkB,GA6D7D;IA7DY,wDAAsB;IA+DnC;;;;;;;;;OASG;IACH,SAAgB,eAAe,CAAC,MAAc;QAC5C,OAAO,eAAe,CAAC,IAAI,CAAC,MAAM,CAAC,CAAC;IACtC,CAAC;IAFD,0CAEC","sourcesContent":["/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nimport * as ts from 'typescript';\n\nimport {AbsoluteFsPath} from '../../../src/ngtsc/file_system';\nimport {isRequireCall, isWildcardReexportStatement, RequireCall} from '../host/commonjs_umd_utils';\n\nimport {DependencyHostBase} from './dependency_host';\n\n/**\n * Helper functions for computing dependencies.\n */\nexport class CommonJsDependencyHost extends DependencyHostBase {\n  protected override canSkipFile(fileContents: string): boolean {\n    return !hasRequireCalls(fileContents);\n  }\n\n  protected override extractImports(file: AbsoluteFsPath, fileContents: string): Set<string> {\n    // Parse the source into a TypeScript AST and then walk it looking for imports and re-exports.\n    const sf =\n        ts.createSourceFile(file, fileContents, ts.ScriptTarget.ES2015, false, ts.ScriptKind.JS);\n    const requireCalls: RequireCall[] = [];\n\n    for (const stmt of sf.statements) {\n      if (ts.isVariableStatement(stmt)) {\n        // Regular import(s):\n        // `var foo = require('...')` or `var foo = require('...'), bar = require('...')`\n        const declarations = stmt.declarationList.declarations;\n        for (const declaration of declarations) {\n          if ((declaration.initializer !== undefined) && isRequireCall(declaration.initializer)) {\n            requireCalls.push(declaration.initializer);\n          }\n        }\n      } else if (ts.isExpressionStatement(stmt)) {\n        if (isRequireCall(stmt.expression)) {\n          // Import for the side-effects only:\n          // `require('...')`\n          requireCalls.push(stmt.expression);\n        } else if (isWildcardReexportStatement(stmt)) {\n          // Re-export in one of the following formats:\n          // - `__export(require('...'))`\n          // - `__export(<identifier>)`\n          // - `tslib_1.__exportStar(require('...'), exports)`\n          // - `tslib_1.__exportStar(<identifier>, exports)`\n          const firstExportArg = stmt.expression.arguments[0];\n\n          if (isRequireCall(firstExportArg)) {\n            // Re-export with `require()` call:\n            // `__export(require('...'))` or `tslib_1.__exportStar(require('...'), exports)`\n            requireCalls.push(firstExportArg);\n          }\n        } else if (\n            ts.isBinaryExpression(stmt.expression) &&\n            (stmt.expression.operatorToken.kind === ts.SyntaxKind.EqualsToken)) {\n          if (isRequireCall(stmt.expression.right)) {\n            // Import with assignment. E.g.:\n            // `exports.foo = require('...')`\n            requireCalls.push(stmt.expression.right);\n          } else if (ts.isObjectLiteralExpression(stmt.expression.right)) {\n            // Import in object literal. E.g.:\n            // `module.exports = {foo: require('...')}`\n            stmt.expression.right.properties.forEach(prop => {\n              if (ts.isPropertyAssignment(prop) && isRequireCall(prop.initializer)) {\n                requireCalls.push(prop.initializer);\n              }\n            });\n          }\n        }\n      }\n    }\n\n    return new Set(requireCalls.map(call => call.arguments[0].text));\n  }\n}\n\n/**\n * Check whether a source file needs to be parsed for imports.\n * This is a performance short-circuit, which saves us from creating\n * a TypeScript AST unnecessarily.\n *\n * @param source The content of the source file to check.\n *\n * @returns false if there are definitely no require calls\n * in this file, true otherwise.\n */\nexport function hasRequireCalls(source: string): boolean {\n  return /require\\(['\"]/.test(source);\n}\n"]}