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import { ModuleResolverBase } from "./ModuleResolverBase";
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import { Uuid } from "../Uuid";
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import { argumentNotEmptyString } from "../safe";
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import { TraceSource } from "../log/TraceSource";
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declare function require(modules: string[], cb?: (...args: any[]) => any): void;
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declare function define(name: string, modules: string[], cb?: (...args: any[]) => any): void;
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class RequireJsResolverParams {
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contextRequire: (modules: string[], cb?: (...args: any[]) => any) => void
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base: string
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}
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TraceSource.get("RequireJsResolver");
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export class RequireJsResolver extends ModuleResolverBase {
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_contextRequire = require
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_base: string
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constructor(opts) {
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super();
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if (opts) {
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if (opts.contextRequire)
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this._contextRequire = opts.contextRequire;
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if (opts.base) {
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if (opts.base.indexOf("./") == 0)
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throw new Error(`A module id should be an absolute: '${opts.base}'`);
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this._base = opts.base;
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}
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}
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}
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async createResolver(moduleName: string): Promise<ModuleResolverBase> {
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argumentNotEmptyString(moduleName, "moduleName");
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let parts = moduleName.split("/");
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if (parts[0] == ".") {
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if (this._base)
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parts[0] = this._base;
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else
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throw new Error(`Can't resolve a relative module '${moduleName}'`);
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}
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if(parts.length > 1)
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parts.splice(-1,1,Uuid());
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else
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parts.push(Uuid());
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var shim = parts.join('/');
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let contextRequire = await new Promise((resolve, reject) => {
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define(shim, ["require"], function (ctx) {
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resolve(ctx);
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})
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});
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return new RequireJsResolver({
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base: parts.slice(0,-1).join('/'),
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contextRequire: contextRequire
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});
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}
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async loadModule(moduleName: string): Promise<Object> {
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return new Promise<Object>((resolve) => this._contextRequire.call(null, [moduleName], resolve)
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);
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}
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}
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