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lib0

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isomorphic utility functions

github.com/dmonad/lib0

dmonad/lib0

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/** * The composite template produced by {@link pipe}: holds the threaded stage templates; `init()` * materializes each into a {@link PipeTransformer}. * * @template {DeltaConf} [IN=any] * @template {DeltaConf} [OUT=any] * @extends {Template<IN, OUT>} */ export class Pipe<IN extends DeltaConf = any, OUT extends DeltaConf = any> extends Template<IN, OUT> { /** * @param {DSchema<IN>} $in * @param {DSchema<OUT>} $out * @param {Template<any,any>[]} stages the threaded stage templates (A→B order) */ constructor($in: DSchema<IN>, $out: DSchema<OUT>, stages: Template<any, any>[]); stages: Template<any, any>[]; } /** * @extends {Transformer<any,any>} */ export class PipeTransformer extends Transformer<any, any> { /** * @param {DSchema<any>} $in * @param {DSchema<any>} $out * @param {Transformer<any,any>[]} ts the per-stage transformers (materialized, A→B order) */ constructor($in: DSchema<any>, $out: DSchema<any>, ts: Transformer<any, any>[]); /** * @type {Transformer<any,any>[]} */ ts: Transformer<any, any>[]; } /** * Chain transformers, threading the input schema left→right so each stage is typed against the * previous stage's output. `pipe($d, $d1 => …, $d2 => …)` infers the end-to-end output type * automatically; each stage is a `($schema) => Template` factory. Returns a reusable {@link Pipe} * template — call `.init()` for the transformer. * * Order is directional: an `applyA` change flows through the stages **left→right** (the leftmost maps * the A-side first), an `applyB` change flows **right→left**. So list stages in A→B order — e.g. * `pipe($d, $d1 => children($d1, …), $d2 => rename($d2, 'ul'))` maps an A-side change with `children` * then `rename`. Reversing the order silently produces wrong results (there is no init-time check). * * The overloads cover up to a fixed arity; longer typed pipes nest * (`pipe($d, …, $dk => pipe($dk, …more))`). * * @template {DeltaConf} In * @template {DeltaConf} O1 * @overload * @param {DSchema<In>} $in * @param {(d: DSchema<In>) => Template<In, O1>} f1 * @returns {Pipe<In, O1>} */ export function pipe<In extends DeltaConf, O1 extends DeltaConf>($in: DSchema<In>, f1: (d: DSchema<In>) => Template<In, O1>): Pipe<In, O1>; /** * @template {DeltaConf} In * @template {DeltaConf} O1 * @template {DeltaConf} O2 * @overload * @param {DSchema<In>} $in * @param {(d: DSchema<In>) => Template<In, O1>} f1 * @param {(d: DSchema<O1>) => Template<O1, O2>} f2 * @returns {Pipe<In, O2>} */ export function pipe<In extends DeltaConf, O1 extends DeltaConf, O2 extends DeltaConf>($in: DSchema<In>, f1: (d: DSchema<In>) => Template<In, O1>, f2: (d: DSchema<O1>) => Template<O1, O2>): Pipe<In, O2>; /** * @template {DeltaConf} In * @template {DeltaConf} O1 * @template {DeltaConf} O2 * @template {DeltaConf} O3 * @overload * @param {DSchema<In>} $in * @param {(d: DSchema<In>) => Template<In, O1>} f1 * @param {(d: DSchema<O1>) => Template<O1, O2>} f2 * @param {(d: DSchema<O2>) => Template<O2, O3>} f3 * @returns {Pipe<In, O3>} */ export function pipe<In extends DeltaConf, O1 extends DeltaConf, O2 extends DeltaConf, O3 extends DeltaConf>($in: DSchema<In>, f1: (d: DSchema<In>) => Template<In, O1>, f2: (d: DSchema<O1>) => Template<O1, O2>, f3: (d: DSchema<O2>) => Template<O2, O3>): Pipe<In, O3>; /** * @template {DeltaConf} In * @template {DeltaConf} O1 * @template {DeltaConf} O2 * @template {DeltaConf} O3 * @template {DeltaConf} O4 * @overload * @param {DSchema<In>} $in * @param {(d: DSchema<In>) => Template<In, O1>} f1 * @param {(d: DSchema<O1>) => Template<O1, O2>} f2 * @param {(d: DSchema<O2>) => Template<O2, O3>} f3 * @param {(d: DSchema<O3>) => Template<O3, O4>} f4 * @returns {Pipe<In, O4>} */ export function pipe<In extends DeltaConf, O1 extends DeltaConf, O2 extends DeltaConf, O3 extends DeltaConf, O4 extends DeltaConf>($in: DSchema<In>, f1: (d: DSchema<In>) => Template<In, O1>, f2: (d: DSchema<O1>) => Template<O1, O2>, f3: (d: DSchema<O2>) => Template<O2, O3>, f4: (d: DSchema<O3>) => Template<O3, O4>): Pipe<In, O4>; /** * @template {DeltaConf} In * @template {DeltaConf} O1 * @template {DeltaConf} O2 * @template {DeltaConf} O3 * @template {DeltaConf} O4 * @template {DeltaConf} O5 * @overload * @param {DSchema<In>} $in * @param {(d: DSchema<In>) => Template<In, O1>} f1 * @param {(d: DSchema<O1>) => Template<O1, O2>} f2 * @param {(d: DSchema<O2>) => Template<O2, O3>} f3 * @param {(d: DSchema<O3>) => Template<O3, O4>} f4 * @param {(d: DSchema<O4>) => Template<O4, O5>} f5 * @returns {Pipe<In, O5>} */ export function pipe<In extends DeltaConf, O1 extends DeltaConf, O2 extends DeltaConf, O3 extends DeltaConf, O4 extends DeltaConf, O5 extends DeltaConf>($in: DSchema<In>, f1: (d: DSchema<In>) => Template<In, O1>, f2: (d: DSchema<O1>) => Template<O1, O2>, f3: (d: DSchema<O2>) => Template<O2, O3>, f4: (d: DSchema<O3>) => Template<O3, O4>, f5: (d: DSchema<O4>) => Template<O4, O5>): Pipe<In, O5>; /** * @template {DeltaConf} In * @template {DeltaConf} O1 * @template {DeltaConf} O2 * @template {DeltaConf} O3 * @template {DeltaConf} O4 * @template {DeltaConf} O5 * @template {DeltaConf} O6 * @overload * @param {DSchema<In>} $in * @param {(d: DSchema<In>) => Template<In, O1>} f1 * @param {(d: DSchema<O1>) => Template<O1, O2>} f2 * @param {(d: DSchema<O2>) => Template<O2, O3>} f3 * @param {(d: DSchema<O3>) => Template<O3, O4>} f4 * @param {(d: DSchema<O4>) => Template<O4, O5>} f5 * @param {(d: DSchema<O5>) => Template<O5, O6>} f6 * @returns {Pipe<In, O6>} */ export function pipe<In extends DeltaConf, O1 extends DeltaConf, O2 extends DeltaConf, O3 extends DeltaConf, O4 extends DeltaConf, O5 extends DeltaConf, O6 extends DeltaConf>($in: DSchema<In>, f1: (d: DSchema<In>) => Template<In, O1>, f2: (d: DSchema<O1>) => Template<O1, O2>, f3: (d: DSchema<O2>) => Template<O2, O3>, f4: (d: DSchema<O3>) => Template<O3, O4>, f5: (d: DSchema<O4>) => Template<O4, O5>, f6: (d: DSchema<O5>) => Template<O5, O6>): Pipe<In, O6>; /** * @template {DeltaConf} In * @template {DeltaConf} O1 * @template {DeltaConf} O2 * @template {DeltaConf} O3 * @template {DeltaConf} O4 * @template {DeltaConf} O5 * @template {DeltaConf} O6 * @template {DeltaConf} O7 * @overload * @param {DSchema<In>} $in * @param {(d: DSchema<In>) => Template<In, O1>} f1 * @param {(d: DSchema<O1>) => Template<O1, O2>} f2 * @param {(d: DSchema<O2>) => Template<O2, O3>} f3 * @param {(d: DSchema<O3>) => Template<O3, O4>} f4 * @param {(d: DSchema<O4>) => Template<O4, O5>} f5 * @param {(d: DSchema<O5>) => Template<O5, O6>} f6 * @param {(d: DSchema<O6>) => Template<O6, O7>} f7 * @returns {Pipe<In, O7>} */ export function pipe<In extends DeltaConf, O1 extends DeltaConf, O2 extends DeltaConf, O3 extends DeltaConf, O4 extends DeltaConf, O5 extends DeltaConf, O6 extends DeltaConf, O7 extends DeltaConf>($in: DSchema<In>, f1: (d: DSchema<In>) => Template<In, O1>, f2: (d: DSchema<O1>) => Template<O1, O2>, f3: (d: DSchema<O2>) => Template<O2, O3>, f4: (d: DSchema<O3>) => Template<O3, O4>, f5: (d: DSchema<O4>) => Template<O4, O5>, f6: (d: DSchema<O5>) => Template<O5, O6>, f7: (d: DSchema<O6>) => Template<O6, O7>): Pipe<In, O7>; /** * @template {DeltaConf} In * @template {DeltaConf} O1 * @template {DeltaConf} O2 * @template {DeltaConf} O3 * @template {DeltaConf} O4 * @template {DeltaConf} O5 * @template {DeltaConf} O6 * @template {DeltaConf} O7 * @template {DeltaConf} O8 * @overload * @param {DSchema<In>} $in * @param {(d: DSchema<In>) => Template<In, O1>} f1 * @param {(d: DSchema<O1>) => Template<O1, O2>} f2 * @param {(d: DSchema<O2>) => Template<O2, O3>} f3 * @param {(d: DSchema<O3>) => Template<O3, O4>} f4 * @param {(d: DSchema<O4>) => Template<O4, O5>} f5 * @param {(d: DSchema<O5>) => Template<O5, O6>} f6 * @param {(d: DSchema<O6>) => Template<O6, O7>} f7 * @param {(d: DSchema<O7>) => Template<O7, O8>} f8 * @returns {Pipe<In, O8>} */ export function pipe<In extends DeltaConf, O1 extends DeltaConf, O2 extends DeltaConf, O3 extends DeltaConf, O4 extends DeltaConf, O5 extends DeltaConf, O6 extends DeltaConf, O7 extends DeltaConf, O8 extends DeltaConf>($in: DSchema<In>, f1: (d: DSchema<In>) => Template<In, O1>, f2: (d: DSchema<O1>) => Template<O1, O2>, f3: (d: DSchema<O2>) => Template<O2, O3>, f4: (d: DSchema<O3>) => Template<O3, O4>, f5: (d: DSchema<O4>) => Template<O4, O5>, f6: (d: DSchema<O5>) => Template<O5, O6>, f7: (d: DSchema<O6>) => Template<O6, O7>, f8: (d: DSchema<O7>) => Template<O7, O8>): Pipe<In, O8>; export type DeltaConf = import("../delta.js").DeltaConf; /** * A delta schema for a given conf — `Schema<Delta<C>>`. Local alias to keep the overload signatures * readable; defined via inline `import()` so no value import is needed. */ export type DSchema<C extends DeltaConf> = import("../../schema.js").Schema<import("../delta.js").Delta<C>>; import { Template } from './core.js'; import { Transformer } from './core.js'; //# sourceMappingURL=pipe.d.ts.map