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{"version":3,"file":"async-replace.js","sourceRoot":"","sources":["../../src/directives/async-replace.ts"],"names":[],"mappings":"AAAA;;;;GAIG;AAEH,OAAO,EAAY,QAAQ,EAAC,MAAM,gBAAgB,CAAC;AACnD,OAAO,EACL,cAAc,EACd,SAAS,GAEV,MAAM,uBAAuB,CAAC;AAC/B,OAAO,EAAC,MAAM,EAAE,aAAa,EAAE,UAAU,EAAC,MAAM,4BAA4B,CAAC;AAI7E,MAAM,OAAO,qBAAsB,SAAQ,cAAc;IAAzD;;QAEU,eAAU,GAAG,IAAI,aAAa,CAAC,IAAI,CAAC,CAAC;QACrC,aAAQ,GAAG,IAAI,MAAM,EAAE,CAAC;IA4ElC,CAAC;IA1EC,yEAAyE;IACzE,6DAA6D;IAC7D,MAAM,CAAI,KAAuB,EAAE,OAAmB;QACpD,OAAO,QAAQ,CAAC;IAClB,CAAC;IAEQ,MAAM,CACb,KAAgB,EAChB,CAAC,KAAK,EAAE,MAAM,CAA4B;QAE1C,0EAA0E;QAC1E,6CAA6C;QAC7C,IAAI,CAAC,IAAI,CAAC,WAAW,EAAE;YACrB,IAAI,CAAC,YAAY,EAAE,CAAC;SACrB;QACD,kEAAkE;QAClE,kBAAkB;QAClB,IAAI,KAAK,KAAK,IAAI,CAAC,OAAO,EAAE;YAC1B,OAAO;SACR;QACD,IAAI,CAAC,OAAO,GAAG,KAAK,CAAC;QACrB,IAAI,CAAC,GAAG,CAAC,CAAC;QACV,MAAM,EAAC,UAAU,EAAE,QAAQ,EAAE,QAAQ,EAAE,MAAM,EAAC,GAAG,IAAI,CAAC;QACtD,sEAAsE;QACtE,wEAAwE;QACxE,0EAA0E;QAC1E,4BAA4B;QAC5B,UAAU,CAAC,KAAK,EAAE,KAAK,EAAE,CAAU,EAAE,EAAE;YACrC,iEAAiE;YACjE,gEAAgE;YAChE,OAAO,MAAM,CAAC,GAAG,EAAE,EAAE;gBACnB,MAAM,MAAM,CAAC,GAAG,EAAE,CAAC;aACpB;YACD,sEAAsE;YACtE,qEAAqE;YACrE,2BAA2B;YAC3B,MAAM,KAAK,GAAG,QAAQ,CAAC,KAAK,EAAE,CAAC;YAC/B,IAAI,KAAK,KAAK,SAAS,EAAE;gBACvB,kEAAkE;gBAClE,+DAA+D;gBAC/D,IAAI,KAAK,CAAC,OAAO,KAAK,KAAK,EAAE;oBAC3B,OAAO,KAAK,CAAC;iBACd;gBAED,yDAAyD;gBACzD,kEAAkE;gBAClE,iEAAiE;gBACjE,sCAAsC;gBACtC,IAAI,MAAM,KAAK,SAAS,EAAE;oBACxB,CAAC,GAAG,MAAM,CAAC,CAAC,EAAE,CAAC,CAAC,CAAC;iBAClB;gBAED,KAAK,CAAC,WAAW,CAAC,CAAC,EAAE,CAAC,CAAC,CAAC;gBACxB,CAAC,EAAE,CAAC;aACL;YACD,OAAO,IAAI,CAAC;QACd,CAAC,CAAC,CAAC;QACH,OAAO,QAAQ,CAAC;IAClB,CAAC;IAED,+DAA+D;IACrD,WAAW,CAAC,KAAc,EAAE,MAAc;QAClD,IAAI,CAAC,QAAQ,CAAC,KAAK,CAAC,CAAC;IACvB,CAAC;IAEQ,YAAY;QACnB,IAAI,CAAC,UAAU,CAAC,UAAU,EAAE,CAAC;QAC7B,IAAI,CAAC,QAAQ,CAAC,KAAK,EAAE,CAAC;IACxB,CAAC;IAEQ,WAAW;QAClB,IAAI,CAAC,UAAU,CAAC,SAAS,CAAC,IAAI,CAAC,CAAC;QAChC,IAAI,CAAC,QAAQ,CAAC,MAAM,EAAE,CAAC;IACzB,CAAC;CACF;AAED;;;;;;;;;;;;;;;;;GAiBG;AACH,MAAM,CAAC,MAAM,YAAY,GAAG,SAAS,CAAC,qBAAqB,CAAC,CAAC","sourcesContent":["/**\n * @license\n * Copyright 2017 Google LLC\n * SPDX-License-Identifier: BSD-3-Clause\n */\n\nimport {ChildPart, noChange} from '../lit-html.js';\nimport {\n AsyncDirective,\n directive,\n DirectiveParameters,\n} from '../async-directive.js';\nimport {Pauser, PseudoWeakRef, forAwaitOf} from './private-async-helpers.js';\n\ntype Mapper<T> = (v: T, index?: number) => unknown;\n\nexport class AsyncReplaceDirective extends AsyncDirective {\n private __value?: AsyncIterable<unknown>;\n private __weakThis = new PseudoWeakRef(this);\n private __pauser = new Pauser();\n\n // @ts-expect-error value not used, but we want a nice parameter for docs\n // eslint-disable-next-line @typescript-eslint/no-unused-vars\n render<T>(value: AsyncIterable<T>, _mapper?: Mapper<T>) {\n return noChange;\n }\n\n override update(\n _part: ChildPart,\n [value, mapper]: DirectiveParameters<this>\n ) {\n // If our initial render occurs while disconnected, ensure that the pauser\n // and weakThis are in the disconnected state\n if (!this.isConnected) {\n this.disconnected();\n }\n // If we've already set up this particular iterable, we don't need\n // to do anything.\n if (value === this.__value) {\n return;\n }\n this.__value = value;\n let i = 0;\n const {__weakThis: weakThis, __pauser: pauser} = this;\n // Note, the callback avoids closing over `this` so that the directive\n // can be gc'ed before the promise resolves; instead `this` is retrieved\n // from `weakThis`, which can break the hard reference in the closure when\n // the directive disconnects\n forAwaitOf(value, async (v: unknown) => {\n // The while loop here handles the case that the connection state\n // thrashes, causing the pauser to resume and then get re-paused\n while (pauser.get()) {\n await pauser.get();\n }\n // If the callback gets here and there is no `this`, it means that the\n // directive has been disconnected and garbage collected and we don't\n // need to do
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