angular2
Version:
Angular 2 - a web framework for modern web apps
75 lines • 10.6 kB
JavaScript
;"use strict";
var __extends = (this && this.__extends) || function (d, b) {
for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
var lang_1 = require('angular2/src/facade/lang');
var abstract_emitter_1 = require('./abstract_emitter');
var abstract_js_emitter_1 = require('./abstract_js_emitter');
var path_util_1 = require('./path_util');
var JavaScriptEmitter = (function () {
function JavaScriptEmitter() {
}
JavaScriptEmitter.prototype.emitStatements = function (moduleUrl, stmts, exportedVars) {
var converter = new JsEmitterVisitor(moduleUrl);
var ctx = abstract_emitter_1.EmitterVisitorContext.createRoot(exportedVars);
converter.visitAllStatements(stmts, ctx);
var srcParts = [];
converter.importsWithPrefixes.forEach(function (prefix, importedModuleUrl) {
// Note: can't write the real word for import as it screws up system.js auto detection...
srcParts.push(("var " + prefix + " = req") +
("uire('" + path_util_1.getImportModulePath(moduleUrl, importedModuleUrl, path_util_1.ImportEnv.JS) + "');"));
});
srcParts.push(ctx.toSource());
return srcParts.join('\n');
};
return JavaScriptEmitter;
}());
exports.JavaScriptEmitter = JavaScriptEmitter;
var JsEmitterVisitor = (function (_super) {
__extends(JsEmitterVisitor, _super);
function JsEmitterVisitor(_moduleUrl) {
_super.call(this);
this._moduleUrl = _moduleUrl;
this.importsWithPrefixes = new Map();
}
JsEmitterVisitor.prototype.visitExternalExpr = function (ast, ctx) {
if (lang_1.isPresent(ast.value.moduleUrl) && ast.value.moduleUrl != this._moduleUrl) {
var prefix = this.importsWithPrefixes.get(ast.value.moduleUrl);
if (lang_1.isBlank(prefix)) {
prefix = "import" + this.importsWithPrefixes.size;
this.importsWithPrefixes.set(ast.value.moduleUrl, prefix);
}
ctx.print(prefix + ".");
}
ctx.print(ast.value.name);
return null;
};
JsEmitterVisitor.prototype.visitDeclareVarStmt = function (stmt, ctx) {
_super.prototype.visitDeclareVarStmt.call(this, stmt, ctx);
if (ctx.isExportedVar(stmt.name)) {
ctx.println(exportVar(stmt.name));
}
return null;
};
JsEmitterVisitor.prototype.visitDeclareFunctionStmt = function (stmt, ctx) {
_super.prototype.visitDeclareFunctionStmt.call(this, stmt, ctx);
if (ctx.isExportedVar(stmt.name)) {
ctx.println(exportVar(stmt.name));
}
return null;
};
JsEmitterVisitor.prototype.visitDeclareClassStmt = function (stmt, ctx) {
_super.prototype.visitDeclareClassStmt.call(this, stmt, ctx);
if (ctx.isExportedVar(stmt.name)) {
ctx.println(exportVar(stmt.name));
}
return null;
};
return JsEmitterVisitor;
}(abstract_js_emitter_1.AbstractJsEmitterVisitor));
function exportVar(varName) {
return "Object.defineProperty(exports, '" + varName + "', { get: function() { return " + varName + "; }});";
}
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