ts-simple-ast
Version:
TypeScript compiler wrapper for AST navigation and code generation.
73 lines (71 loc) • 3.02 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const ts = require("typescript");
const errors = require("./../../errors");
const callBaseFill_1 = require("./../callBaseFill");
function ExportableNode(Base) {
return class extends Base {
hasExportKeyword() {
return this.getExportKeyword() != null;
}
getExportKeyword() {
return this.getFirstModifierByKind(ts.SyntaxKind.ExportKeyword);
}
hasDefaultKeyword() {
return this.getDefaultKeyword() != null;
}
getDefaultKeyword() {
return this.getFirstModifierByKind(ts.SyntaxKind.DefaultKeyword);
}
isDefaultExport() {
if (this.hasDefaultKeyword())
return true;
const thisSymbol = this.getSymbol();
const defaultExportSymbol = this.getSourceFile().getDefaultExportSymbol();
if (defaultExportSymbol == null || thisSymbol == null)
return false;
if (thisSymbol.equals(defaultExportSymbol))
return true;
const aliasedSymbol = defaultExportSymbol.getAliasedSymbol();
return thisSymbol.equals(aliasedSymbol);
}
isNamedExport() {
const parentNode = this.getParentOrThrow();
return parentNode.isSourceFile() && this.hasExportKeyword() && !this.hasDefaultKeyword();
}
setIsDefaultExport(value) {
if (value === this.isDefaultExport())
return this;
if (value && !this.getParentOrThrow().isSourceFile())
throw new errors.InvalidOperationError("The parent must be a source file in order to set this node as a default export.");
// remove any existing default export
const sourceFile = this.getSourceFile();
const fileDefaultExportSymbol = sourceFile.getDefaultExportSymbol();
if (fileDefaultExportSymbol != null)
sourceFile.removeDefaultExport(fileDefaultExportSymbol);
// set this node as the one to default export
if (value) {
this.addModifier("export");
this.addModifier("default");
}
return this;
}
setIsExported(value) {
// remove the default export if it is one no matter what
if (this.getParentOrThrow().isSourceFile())
this.setIsDefaultExport(false);
this.toggleModifier("export", value);
return this;
}
fill(structure) {
callBaseFill_1.callBaseFill(Base.prototype, this, structure);
if (structure.isExported != null)
this.setIsExported(structure.isExported);
if (structure.isDefaultExport != null)
this.setIsDefaultExport(structure.isDefaultExport);
return this;
}
};
}
exports.ExportableNode = ExportableNode;
//# sourceMappingURL=ExportableNode.js.map