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{"version":3,"file":"range.js","sources":["../../src/directives/range.ts"],"sourcesContent":["/**\n * @license\n * Copyright 2021 Google LLC\n * SPDX-License-Identifier: BSD-3-Clause\n */\n\n/**\n * Returns an iterable of integers from `start` to `end` (exclusive)\n * incrementing by `step`.\n *\n * If `start` is omitted, the range starts at `0`. `step` defaults to `1`.\n *\n * @example\n *\n * ```ts\n * render() {\n * return html`\n * ${map(range(8), () => html`<div class=\"cell\"></div>`)}\n * `;\n * }\n * ```\n */\nexport function range(end: number): Iterable<number>;\nexport function range(\n start: number,\n end: number,\n step?: number\n): Iterable<number>;\nexport function* range(startOrEnd: number, end?: number, step = 1) {\n const start = end === undefined ? 0 : startOrEnd;\n end ??= startOrEnd;\n for (let i = start; step > 0 ? i < end : end < i; i += step) {\n yield i;\n }\n}\n"],"names":["range","startOrEnd","end","step","start","undefined","i"],"mappings":";;;;;AA4BM,SAAWA,EAAMC,EAAoBC,EAAcC,EAAO,GAC9D,MAAMC,OAAgBC,IAARH,EAAoB,EAAID,EACtCC,UAAAA,EAAQD,GACR,IAAK,IAAIK,EAAIF,EAAOD,EAAO,EAAIG,EAAIJ,EAAMA,EAAMI,EAAGA,GAAKH,QAC/CG,CAEV"}
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