| 1 | import { CSSUnitValue } from './cssom';
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| 2 | import type { LayoutDefinitionCtor } from './layout';
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| 3 | /**
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| 4 | * @see https://developer.mozilla.org/en-US/docs/Web/API/CSS/RegisterProperty#parameters
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| 5 | */
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| 6 | export interface PropertyDefinition {
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| 7 | name: string;
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| 8 | /**
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| 9 | * representing the expected syntax of the defined property. Defaults to "*".
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| 10 | */
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| 11 | syntax?: string;
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| 12 | /**
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| 13 | * A boolean value defining whether the defined property should be inherited (true), or not (false). Defaults to false.
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| 14 | */
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| 15 | inherits: boolean;
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| 16 | initialValue?: string;
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| 17 | }
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| 18 | /**
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| 19 | * holds useful CSS-related methods.
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| 20 | * @see https://developer.mozilla.org/en-US/docs/Web/API/CSS
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| 21 | *
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| 22 | * * CSS Typed OM @see https://developer.mozilla.org/en-US/docs/Web/API/CSS/factory_functions
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| 23 | * * register property @see https://developer.mozilla.org/en-US/docs/Web/API/CSS/RegisterProperty
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| 24 | * * CSS Layout API
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| 25 | */
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| 26 | export declare const CSS: {
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| 27 | /**
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| 28 | * <number>
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| 29 | * @see https://drafts.csswg.org/css-values-4/#number-value
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| 30 | */
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| 31 | number: (n: number) => CSSUnitValue;
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| 32 | /**
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| 33 | * <percentage>
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| 34 | * @see https://drafts.csswg.org/css-values-4/#percentage-value
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| 35 | */
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| 36 | percent: (n: number) => CSSUnitValue;
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| 37 | /**
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| 38 | * <length>
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| 39 | */
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| 40 | px: (n: number) => CSSUnitValue;
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| 41 | /**
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| 42 | * <length>
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| 43 | */
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| 44 | em: (n: number) => CSSUnitValue;
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| 45 | /**
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| 46 | * <angle>
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| 47 | */
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| 48 | deg: (n: number) => CSSUnitValue;
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| 49 | /**
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| 50 | * <angle>
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| 51 | */
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| 52 | grad: (n: number) => CSSUnitValue;
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| 53 | /**
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| 54 | * <angle>
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| 55 | */
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| 56 | rad: (n: number) => CSSUnitValue;
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| 57 | /**
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| 58 | * <angle>
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| 59 | */
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| 60 | turn: (n: number) => CSSUnitValue;
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| 61 | /**
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| 62 | * <time>
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| 63 | */
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| 64 | s: (n: number) => CSSUnitValue;
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| 65 | /**
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| 66 | * <time>
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| 67 | */
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| 68 | ms: (n: number) => CSSUnitValue;
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| 69 | /**
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| 70 | * CSS Properties & Values API
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| 71 | *
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| 72 | * @see https://developer.mozilla.org/en-US/docs/Web/API/CSS_Properties_and_Values_API
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| 73 | * @see https://drafts.css-houdini.org/css-properties-values-api/#registering-custom-properties
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| 74 | * @see https://developer.mozilla.org/en-US/docs/Web/API/CSS/RegisterProperty
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| 75 | */
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| 76 | registerProperty: (definition: PropertyDefinition) => void;
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| 77 | /**
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| 78 | * CSS Layout API
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| 79 | * register layout
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| 80 | *
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| 81 | * @see https://github.com/w3c/css-houdini-drafts/blob/main/css-layout-api/EXPLAINER.md
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| 82 | * @see https://developer.mozilla.org/en-US/docs/Web/Guide/Houdini#css_layout_api
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| 83 | */
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| 84 | registerLayout: (name: string, clazz: LayoutDefinitionCtor) => void;
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| 85 | };
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