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import { CSSProperties } from "react"; |
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import { CellElement } from "./attributes"; |
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|
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export type ElementAlignment = "left" | "center" | "right"; |
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|
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export const DEFAULT_ELEMENT_ALIGNMENT: ElementAlignment = "left"; |
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|
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function isRecord(value: unknown): value is Record<string, unknown> { |
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return typeof value === "object" && value !== null; |
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} |
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|
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export function isElementAlignment(value: unknown): value is ElementAlignment { |
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return value === "left" || value === "center" || value === "right"; |
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} |
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|
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export function elementAlignmentToJustifyContent( |
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alignment: ElementAlignment |
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): CSSProperties["justifyContent"] { |
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if (alignment === "center") { |
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return "center"; |
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} |
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|
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if (alignment === "right") { |
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return "flex-end"; |
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} |
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|
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return "flex-start"; |
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} |
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|
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export function getElementAlignment(element: CellElement): ElementAlignment { |
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const elementName = element.name as string; |
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const attrs: Record<string, unknown> = isRecord(element.attributes) |
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? element.attributes |
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: {}; |
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|
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if (elementName === "icon") { |
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const rawStyles = attrs["styles"]; |
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const styles = isRecord(rawStyles) ? rawStyles : {}; |
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return isElementAlignment(styles.align) |
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? styles.align |
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: DEFAULT_ELEMENT_ALIGNMENT; |
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} |
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|
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return isElementAlignment(attrs.align) |
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? attrs.align |
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: DEFAULT_ELEMENT_ALIGNMENT; |
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} |
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|
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export function setElementAlignment( |
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element: CellElement, |
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alignment: ElementAlignment |
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): CellElement { |
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const elementName = element.name as string; |
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const attrs = isRecord(element.attributes) |
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? { ...element.attributes } |
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: ({} as Record<string, unknown>); |
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|
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if (elementName === "icon") { |
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const rawStyles = attrs["styles"]; |
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const styles = isRecord(rawStyles) |
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? { ...rawStyles } |
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: ({} as Record<string, unknown>); |
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|
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return { |
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...element, |
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attributes: { |
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...attrs, |
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styles: { |
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...styles, |
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align: alignment, |
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}, |
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}, |
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} as CellElement; |
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} |
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|
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return { |
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...element, |
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attributes: { |
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...attrs, |
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align: alignment, |
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}, |
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} as CellElement; |
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} |
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|
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export function getUniformElementsAlignment( |
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elements: CellElement[] |
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): ElementAlignment | undefined { |
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if (elements.length === 0) { |
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return DEFAULT_ELEMENT_ALIGNMENT; |
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} |
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|
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const first = getElementAlignment(elements[0]); |
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|
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for (let i = 1; i < elements.length; i++) { |
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if (getElementAlignment(elements[i]) !== first) { |
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return undefined; |
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} |
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} |
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|
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return first; |
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} |
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|
