///
///
///
/* @internal */
namespace ts {
export function getResolvedExternalModuleName(host: EmitHost, file: SourceFile): string {
return file.moduleName || getExternalModuleNameFromPath(host, file.fileName);
}
export function getExternalModuleNameFromDeclaration(host: EmitHost, resolver: EmitResolver, declaration: ImportEqualsDeclaration | ImportDeclaration | ExportDeclaration): string {
const file = resolver.getExternalModuleFileFromDeclaration(declaration);
if (!file || isDeclarationFile(file)) {
return undefined;
}
return getResolvedExternalModuleName(host, file);
}
type DependencyGroup = Array;
const enum Jump {
Break = 1 << 1,
Continue = 1 << 2,
Return = 1 << 3
}
const entities: Map = {
"quot": 0x0022,
"amp": 0x0026,
"apos": 0x0027,
"lt": 0x003C,
"gt": 0x003E,
"nbsp": 0x00A0,
"iexcl": 0x00A1,
"cent": 0x00A2,
"pound": 0x00A3,
"curren": 0x00A4,
"yen": 0x00A5,
"brvbar": 0x00A6,
"sect": 0x00A7,
"uml": 0x00A8,
"copy": 0x00A9,
"ordf": 0x00AA,
"laquo": 0x00AB,
"not": 0x00AC,
"shy": 0x00AD,
"reg": 0x00AE,
"macr": 0x00AF,
"deg": 0x00B0,
"plusmn": 0x00B1,
"sup2": 0x00B2,
"sup3": 0x00B3,
"acute": 0x00B4,
"micro": 0x00B5,
"para": 0x00B6,
"middot": 0x00B7,
"cedil": 0x00B8,
"sup1": 0x00B9,
"ordm": 0x00BA,
"raquo": 0x00BB,
"frac14": 0x00BC,
"frac12": 0x00BD,
"frac34": 0x00BE,
"iquest": 0x00BF,
"Agrave": 0x00C0,
"Aacute": 0x00C1,
"Acirc": 0x00C2,
"Atilde": 0x00C3,
"Auml": 0x00C4,
"Aring": 0x00C5,
"AElig": 0x00C6,
"Ccedil": 0x00C7,
"Egrave": 0x00C8,
"Eacute": 0x00C9,
"Ecirc": 0x00CA,
"Euml": 0x00CB,
"Igrave": 0x00CC,
"Iacute": 0x00CD,
"Icirc": 0x00CE,
"Iuml": 0x00CF,
"ETH": 0x00D0,
"Ntilde": 0x00D1,
"Ograve": 0x00D2,
"Oacute": 0x00D3,
"Ocirc": 0x00D4,
"Otilde": 0x00D5,
"Ouml": 0x00D6,
"times": 0x00D7,
"Oslash": 0x00D8,
"Ugrave": 0x00D9,
"Uacute": 0x00DA,
"Ucirc": 0x00DB,
"Uuml": 0x00DC,
"Yacute": 0x00DD,
"THORN": 0x00DE,
"szlig": 0x00DF,
"agrave": 0x00E0,
"aacute": 0x00E1,
"acirc": 0x00E2,
"atilde": 0x00E3,
"auml": 0x00E4,
"aring": 0x00E5,
"aelig": 0x00E6,
"ccedil": 0x00E7,
"egrave": 0x00E8,
"eacute": 0x00E9,
"ecirc": 0x00EA,
"euml": 0x00EB,
"igrave": 0x00EC,
"iacute": 0x00ED,
"icirc": 0x00EE,
"iuml": 0x00EF,
"eth": 0x00F0,
"ntilde": 0x00F1,
"ograve": 0x00F2,
"oacute": 0x00F3,
"ocirc": 0x00F4,
"otilde": 0x00F5,
"ouml": 0x00F6,
"divide": 0x00F7,
"oslash": 0x00F8,
"ugrave": 0x00F9,
"uacute": 0x00FA,
"ucirc": 0x00FB,
"uuml": 0x00FC,
"yacute": 0x00FD,
"thorn": 0x00FE,
"yuml": 0x00FF,
"OElig": 0x0152,
"oelig": 0x0153,
"Scaron": 0x0160,
"scaron": 0x0161,
"Yuml": 0x0178,
"fnof": 0x0192,
"circ": 0x02C6,
"tilde": 0x02DC,
"Alpha": 0x0391,
"Beta": 0x0392,
"Gamma": 0x0393,
"Delta": 0x0394,
"Epsilon": 0x0395,
"Zeta": 0x0396,
"Eta": 0x0397,
"Theta": 0x0398,
"Iota": 0x0399,
"Kappa": 0x039A,
"Lambda": 0x039B,
"Mu": 0x039C,
"Nu": 0x039D,
"Xi": 0x039E,
"Omicron": 0x039F,
"Pi": 0x03A0,
"Rho": 0x03A1,
"Sigma": 0x03A3,
"Tau": 0x03A4,
"Upsilon": 0x03A5,
"Phi": 0x03A6,
"Chi": 0x03A7,
"Psi": 0x03A8,
"Omega": 0x03A9,
"alpha": 0x03B1,
"beta": 0x03B2,
"gamma": 0x03B3,
"delta": 0x03B4,
"epsilon": 0x03B5,
"zeta": 0x03B6,
"eta": 0x03B7,
"theta": 0x03B8,
"iota": 0x03B9,
"kappa": 0x03BA,
"lambda": 0x03BB,
"mu": 0x03BC,
"nu": 0x03BD,
"xi": 0x03BE,
"omicron": 0x03BF,
"pi": 0x03C0,
"rho": 0x03C1,
"sigmaf": 0x03C2,
"sigma": 0x03C3,
"tau": 0x03C4,
"upsilon": 0x03C5,
"phi": 0x03C6,
"chi": 0x03C7,
"psi": 0x03C8,
"omega": 0x03C9,
"thetasym": 0x03D1,
"upsih": 0x03D2,
"piv": 0x03D6,
"ensp": 0x2002,
"emsp": 0x2003,
"thinsp": 0x2009,
"zwnj": 0x200C,
"zwj": 0x200D,
"lrm": 0x200E,
"rlm": 0x200F,
"ndash": 0x2013,
"mdash": 0x2014,
"lsquo": 0x2018,
"rsquo": 0x2019,
"sbquo": 0x201A,
"ldquo": 0x201C,
"rdquo": 0x201D,
"bdquo": 0x201E,
"dagger": 0x2020,
"Dagger": 0x2021,
"bull": 0x2022,
"hellip": 0x2026,
"permil": 0x2030,
"prime": 0x2032,
"Prime": 0x2033,
"lsaquo": 0x2039,
"rsaquo": 0x203A,
"oline": 0x203E,
"frasl": 0x2044,
"euro": 0x20AC,
"image": 0x2111,
"weierp": 0x2118,
"real": 0x211C,
"trade": 0x2122,
"alefsym": 0x2135,
"larr": 0x2190,
"uarr": 0x2191,
"rarr": 0x2192,
"darr": 0x2193,
"harr": 0x2194,
"crarr": 0x21B5,
"lArr": 0x21D0,
"uArr": 0x21D1,
"rArr": 0x21D2,
"dArr": 0x21D3,
"hArr": 0x21D4,
"forall": 0x2200,
"part": 0x2202,
"exist": 0x2203,
"empty": 0x2205,
"nabla": 0x2207,
"isin": 0x2208,
"notin": 0x2209,
"ni": 0x220B,
"prod": 0x220F,
"sum": 0x2211,
"minus": 0x2212,
"lowast": 0x2217,
"radic": 0x221A,
"prop": 0x221D,
"infin": 0x221E,
"ang": 0x2220,
"and": 0x2227,
"or": 0x2228,
"cap": 0x2229,
"cup": 0x222A,
"int": 0x222B,
"there4": 0x2234,
"sim": 0x223C,
"cong": 0x2245,
"asymp": 0x2248,
"ne": 0x2260,
"equiv": 0x2261,
"le": 0x2264,
"ge": 0x2265,
"sub": 0x2282,
"sup": 0x2283,
"nsub": 0x2284,
"sube": 0x2286,
"supe": 0x2287,
"oplus": 0x2295,
"otimes": 0x2297,
"perp": 0x22A5,
"sdot": 0x22C5,
"lceil": 0x2308,
"rceil": 0x2309,
"lfloor": 0x230A,
"rfloor": 0x230B,
"lang": 0x2329,
"rang": 0x232A,
"loz": 0x25CA,
"spades": 0x2660,
"clubs": 0x2663,
"hearts": 0x2665,
"diams": 0x2666
};
// Flags enum to track count of temp variables and a few dedicated names
const enum TempFlags {
Auto = 0x00000000, // No preferred name
CountMask = 0x0FFFFFFF, // Temp variable counter
_i = 0x10000000, // Use/preference flag for '_i'
}
// targetSourceFile is when users only want one file in entire project to be emitted. This is used in compileOnSave feature
export function emitFiles(resolver: EmitResolver, host: EmitHost, targetSourceFile: SourceFile): EmitResult {
// emit output for the __extends helper function
const extendsHelper = `
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 __());
};`;
// emit output for the __decorate helper function
const decorateHelper = `
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};`;
// emit output for the __metadata helper function
const metadataHelper = `
var __metadata = (this && this.__metadata) || function (k, v) {
if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};`;
// emit output for the __param helper function
const paramHelper = `
var __param = (this && this.__param) || function (paramIndex, decorator) {
return function (target, key) { decorator(target, key, paramIndex); }
};`;
const awaiterHelper = `
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator.throw(value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments)).next());
});
};`;
const compilerOptions = host.getCompilerOptions();
const languageVersion = getEmitScriptTarget(compilerOptions);
const modulekind = getEmitModuleKind(compilerOptions);
const sourceMapDataList: SourceMapData[] = compilerOptions.sourceMap || compilerOptions.inlineSourceMap ? [] : undefined;
const emitterDiagnostics = createDiagnosticCollection();
let emitSkipped = false;
const newLine = host.getNewLine();
const emitJavaScript = createFileEmitter();
forEachExpectedEmitFile(host, emitFile, targetSourceFile);
return {
emitSkipped,
diagnostics: emitterDiagnostics.getDiagnostics(),
sourceMaps: sourceMapDataList
};
function isUniqueLocalName(name: string, container: Node): boolean {
for (let node = container; isNodeDescendantOf(node, container); node = node.nextContainer) {
if (node.locals && hasProperty(node.locals, name)) {
// We conservatively include alias symbols to cover cases where they're emitted as locals
if (node.locals[name].flags & (SymbolFlags.Value | SymbolFlags.ExportValue | SymbolFlags.Alias)) {
return false;
}
}
}
return true;
}
interface ConvertedLoopState {
/*
* set of labels that occured inside the converted loop
* used to determine if labeled jump can be emitted as is or it should be dispatched to calling code
*/
labels?: Map;
/*
* collection of labeled jumps that transfer control outside the converted loop.
* maps store association 'label -> labelMarker' where
* - label - value of label as it apprear in code
* - label marker - return value that should be interpreted by calling code as 'jump to