# Approval route A React component in [Beamline](https://beamline.io/)'s [Data & tables](https://beamline.io/components/data) category. Live demo: https://beamline.io/components/approval-route A policy you can read by trying it: an amount on a log scale with the thresholds as marks (the arrows stop just under, at and just over each), the request's choices and facts, and the route the host's policy gives it: stages of approvers in order, each with the rule that put them there, what they decide and how long they usually take, an away approver's stand-in, a missing approver that blocks the route; the policy's numbered sentences light as they apply. ## Use it for - Spend, purchasing, payroll or time-off apps: on the policy settings page (what does this policy do?) or on a request form (who will approve this?). - The host's policy engine resolves the route; the part draws it, the thresholds and the rules that apply, and never decides who approves. ## Not for - Building the policy itself (conditions, branches) → flowchart or a rule editor. - One approval decision on a request → [approval-card](https://beamline.io/components/approval-card). ## Anatomy - header: the label - request: the amount scale (log, thresholds as marks, readout), the choices (segmented) and facts (switches) - summary: N approvers · usually about T, No approval: it goes through on submit, or Can't be approved as the policy stands - route: stages in order with arrows; a stage of several says Any one approves or All must approve; a step: avatar, name (or the stand-in), role, Must approve / Gets a copy · usually T · Rule N, the away note or the missing note - policy: numbered sentences, the applying ones in full ink with Applies ## States - no approval - one stage - several stages - a stage of several (any one / all) - a copy - away (stand-in) - missing (blocked) - exactly at a threshold ## Keyboard - The amount is the Scrubber's slider: ←/→ stop just under, at and just over each threshold, Page Up/Down jump between thresholds, Home/End the ends - Tab reaches the choices and facts; each change that settles says the route and the summary once (a polite status) ## Motion A stage that joins grows in at its place and the route slides (the shared FLIP); the summary changes in place. Nothing runs at rest; reduced motion places everything. ## Props | Prop | Type | Default | Description | | --- | --- | --- | --- | | `label` (required) | `string` | — | What is being approved: "Purchase requests", "Payroll runs". | | `amount` (required) | `{ min: number; max: number; thresholds: { value: number; label?: string \| undefined; }[…` | — | The amount scale: drawn logarithmically from `min` (above 0) to `max`, with each threshold as a mark; the arrows stop just under, at and just over every threshold (a step of `unit`, default 1), Page Up/Down jump between them. | | `choices` | `ApprovalChoice[]` | — | | | `flags` | `{ id: string; label: string; }[]` | — | | | `value` | `ApprovalRequest` | — | Controlled request; omit to use defaultValue. | | `defaultValue` | `ApprovalRequest` | — | Initial selection when uncontrolled; omitted by default. | | `onValueChange` | `((request: ApprovalRequest) => void)` | — | Reports the selected value after a change; no callback by default. | | `rules` (required) | `{ id: string; text: ReactNode; }[]` | — | The policy as numbered sentences, in order; the ones the current route uses light. | | `resolve` (required) | `(request: ApprovalRequest) => ApprovalStage[]` | — | The host's policy engine: the stages a request goes through, in order. The part never decides who approves. | | `format` | `((amount: number) => string)` | — | Money in the host's own format. | | `className` | `string` | — | Classes on the documented visual root; no override by default. | | `classNames` | `Partial>` | — | Classes for the named visual parts; no overrides by default. | | `style` | `CSSProperties` | — | Inline styles on the documented visual root; no overrides by default. | | `ref` | `Ref` | — | Receives the documented native target or imperative handle; omitted by default. | ## Built from - [Avatar](https://beamline.io/components/avatar.md) - [Label](https://beamline.io/components/label.md) - [Scrubber](https://beamline.io/components/scrubber.md) - [Segmented control](https://beamline.io/components/segmented-control.md) - [Select](https://beamline.io/components/select.md) - [Spinner](https://beamline.io/components/spinner.md) - [Switch](https://beamline.io/components/switch.md) - [Text morph](https://beamline.io/components/text-morph.md) - [Tooltip](https://beamline.io/components/tooltip.md) ## Used in - [Approval policy](https://beamline.io/components/approval-policy.md) ## Dependencies `lucide-react` ## Import ```tsx import { ApprovalRoute } from "@beamline/approval-route"; ``` ## Get it Approval route is part of Beamline UI. Install the parts you need in your React app as compiled packages or editable source. 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