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351 lines (276 loc) · 9.34 KB
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/// <reference path="../../globals.d.ts" />
var _global: BrowserNodeGlobal = <any>(typeof window === 'undefined' ? global : window);
export {_global as global};
export var Type = Function;
/**
* Runtime representation of a type.
*
* In JavaScript a Type is a constructor function.
*/
export interface Type extends Function { new (...args): any; }
export function getTypeNameForDebugging(type: Type): string {
return type['name'];
}
export var isDart = false;
export class BaseException extends Error {
stack;
constructor(public message?: string, private _originalException?, private _originalStack?,
private _context?) {
super(message);
this.stack = (<any>new Error(message)).stack;
}
get originalException(): any { return this._originalException; }
get originalStack(): any { return this._originalStack; }
get context(): any { return this._context; }
toString(): string { return this.message; }
}
export function makeTypeError(message?: string): Error {
return new TypeError(message);
}
export var Math = _global.Math;
export var Date = _global.Date;
var assertionsEnabled_ = typeof _global['assert'] !== 'undefined';
export function assertionsEnabled(): boolean {
return assertionsEnabled_;
}
// TODO: remove calls to assert in production environment
// Note: Can't just export this and import in in other files
// as `assert` is a reserved keyword in Dart
_global.assert = function assert(condition) {
if (assertionsEnabled_) {
_global['assert'].call(condition);
}
};
export function ENUM_INDEX(value: int): int {
return value;
}
// This function is needed only to properly support Dart's const expressions
// see https://github.com/angular/ts2dart/pull/151 for more info
export function CONST_EXPR<T>(expr: T): T {
return expr;
}
export function CONST(): ClassDecorator {
return (target) => target;
}
export function ABSTRACT(): ClassDecorator {
return (t) => t;
}
// Note: This is only a marker annotation needed for ts2dart.
// This is written so that is can be used as a Traceur annotation
// or a Typescript decorator.
export function IMPLEMENTS(_): ClassDecorator {
return (t) => t;
}
export function isPresent(obj: any): boolean {
return obj !== undefined && obj !== null;
}
export function isBlank(obj: any): boolean {
return obj === undefined || obj === null;
}
export function isString(obj: any): boolean {
return typeof obj === "string";
}
export function isFunction(obj: any): boolean {
return typeof obj === "function";
}
export function isType(obj: any): boolean {
return isFunction(obj);
}
export function isStringMap(obj: any): boolean {
return typeof obj === 'object' && obj !== null;
}
export function isPromise(obj: any): boolean {
return obj instanceof (<any>_global).Promise;
}
export function isArray(obj: any): boolean {
return Array.isArray(obj);
}
export function isNumber(obj): boolean {
return typeof obj === 'number';
}
export function isDate(obj): boolean {
return obj instanceof Date && !isNaN(obj.valueOf());
}
export function stringify(token): string {
if (typeof token === 'string') {
return token;
}
if (token === undefined || token === null) {
return '' + token;
}
if (token.name) {
return token.name;
}
var res = token.toString();
var newLineIndex = res.indexOf("\n");
return (newLineIndex === -1) ? res : res.substring(0, newLineIndex);
}
// serialize / deserialize enum exist only for consistency with dart API
// enums in typescript don't need to be serialized
export function serializeEnum(val): int {
return val;
}
export function deserializeEnum(val, values: Map<int, any>): any {
return val;
}
export class StringWrapper {
static fromCharCode(code: int): string { return String.fromCharCode(code); }
static charCodeAt(s: string, index: int): number { return s.charCodeAt(index); }
static split(s: string, regExp: RegExp): List<string> { return s.split(regExp); }
static equals(s: string, s2: string): boolean { return s === s2; }
static replace(s: string, from: string, replace: string): string {
return s.replace(from, replace);
}
static replaceAll(s: string, from: RegExp, replace: string): string {
return s.replace(from, replace);
}
static toUpperCase(s: string): string { return s.toUpperCase(); }
static toLowerCase(s: string): string { return s.toLowerCase(); }
static startsWith(s: string, start: string): boolean { return s.startsWith(start); }
static substring(s: string, start: int, end: int = null): string {
return s.substring(start, end === null ? undefined : end);
}
static replaceAllMapped(s: string, from: RegExp, cb: Function): string {
return s.replace(from, function(...matches) {
// Remove offset & string from the result array
matches.splice(-2, 2);
// The callback receives match, p1, ..., pn
return cb(matches);
});
}
static contains(s: string, substr: string): boolean { return s.indexOf(substr) != -1; }
static compare(a: string, b: string): int {
if (a < b) {
return -1;
} else if (a > b) {
return 1;
} else {
return 0;
}
}
}
export class StringJoiner {
constructor(public parts = []) {}
add(part: string): void { this.parts.push(part); }
toString(): string { return this.parts.join(""); }
}
export class NumberParseError extends BaseException {
name: string;
constructor(public message: string) { super(); }
toString(): string { return this.message; }
}
export class NumberWrapper {
static toFixed(n: number, fractionDigits: int): string { return n.toFixed(fractionDigits); }
static equal(a: number, b: number): boolean { return a === b; }
static parseIntAutoRadix(text: string): int {
var result: int = parseInt(text);
if (isNaN(result)) {
throw new NumberParseError("Invalid integer literal when parsing " + text);
}
return result;
}
static parseInt(text: string, radix: int): int {
if (radix == 10) {
if (/^(\-|\+)?[0-9]+$/.test(text)) {
return parseInt(text, radix);
}
} else if (radix == 16) {
if (/^(\-|\+)?[0-9ABCDEFabcdef]+$/.test(text)) {
return parseInt(text, radix);
}
} else {
var result: int = parseInt(text, radix);
if (!isNaN(result)) {
return result;
}
}
throw new NumberParseError("Invalid integer literal when parsing " + text + " in base " +
radix);
}
// TODO: NaN is a valid literal but is returned by parseFloat to indicate an error.
static parseFloat(text: string): number { return parseFloat(text); }
static get NaN(): number { return NaN; }
static isNaN(value: any): boolean { return isNaN(value); }
static isInteger(value: any): boolean { return Number.isInteger(value); }
}
export var RegExp = _global.RegExp;
export class RegExpWrapper {
static create(regExpStr: string, flags: string = ''): RegExp {
flags = flags.replace(/g/g, '');
return new _global.RegExp(regExpStr, flags + 'g');
}
static firstMatch(regExp: RegExp, input: string): List<string> {
// Reset multimatch regex state
regExp.lastIndex = 0;
return regExp.exec(input);
}
static test(regExp: RegExp, input: string): boolean {
regExp.lastIndex = 0;
return regExp.test(input);
}
static matcher(regExp: RegExp, input: string): {
re: RegExp;
input: string
}
{
// Reset regex state for the case
// someone did not loop over all matches
// last time.
regExp.lastIndex = 0;
return {re: regExp, input: input};
}
}
export class RegExpMatcherWrapper {
static next(matcher: {
re: RegExp;
input: string
}): string[] {
return matcher.re.exec(matcher.input);
}
}
export class FunctionWrapper {
static apply(fn: Function, posArgs: any): any { return fn.apply(null, posArgs); }
}
// JS has NaN !== NaN
export function looseIdentical(a, b): boolean {
return a === b || typeof a === "number" && typeof b === "number" && isNaN(a) && isNaN(b);
}
// JS considers NaN is the same as NaN for map Key (while NaN !== NaN otherwise)
// see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map
export function getMapKey<T>(value: T): T {
return value;
}
export function normalizeBlank(obj: Object): any {
return isBlank(obj) ? null : obj;
}
export function normalizeBool(obj: boolean): boolean {
return isBlank(obj) ? false : obj;
}
export function isJsObject(o: any): boolean {
return o !== null && (typeof o === "function" || typeof o === "object");
}
export function print(obj: Error | Object) {
if (obj instanceof BaseException) {
console.log(obj.stack);
} else {
console.log(obj);
}
}
// Can't be all uppercase as our transpiler would think it is a special directive...
export class Json {
static parse(s: string): Object { return _global.JSON.parse(s); }
static stringify(data: Object): string {
// Dart doesn't take 3 arguments
return _global.JSON.stringify(data, null, 2);
}
}
export class DateWrapper {
static create(year: int, month: int = 1, day: int = 1, hour: int = 0, minutes: int = 0,
seconds: int = 0, milliseconds: int = 0): Date {
return new Date(year, month - 1, day, hour, minutes, seconds, milliseconds);
}
static fromMillis(ms: int): Date { return new Date(ms); }
static toMillis(date: Date): int { return date.getTime(); }
static now(): Date { return new Date(); }
static toJson(date: Date): string { return date.toJSON(); }
}