44 lines
1.3 KiB
TypeScript
44 lines
1.3 KiB
TypeScript
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import {IPropertyListDescriptor, PropertyDescriptorParsingType} from '../IPropertyDescriptor';
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import {CSSValue, isIdentToken, parseFunctionArgs} from '../syntax/parser';
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export type BackgroundRepeat = BACKGROUND_REPEAT[];
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export enum BACKGROUND_REPEAT {
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REPEAT = 0,
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NO_REPEAT = 1,
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REPEAT_X = 2,
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REPEAT_Y = 3
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}
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export const backgroundRepeat: IPropertyListDescriptor<BackgroundRepeat> = {
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name: 'background-repeat',
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initialValue: 'repeat',
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prefix: false,
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type: PropertyDescriptorParsingType.LIST,
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parse: (tokens: CSSValue[]): BackgroundRepeat => {
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return parseFunctionArgs(tokens)
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.map(values =>
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values
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.filter(isIdentToken)
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.map(token => token.value)
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.join(' ')
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)
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.map(parseBackgroundRepeat);
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}
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};
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const parseBackgroundRepeat = (value: string): BACKGROUND_REPEAT => {
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switch (value) {
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case 'no-repeat':
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return BACKGROUND_REPEAT.NO_REPEAT;
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case 'repeat-x':
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case 'repeat no-repeat':
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return BACKGROUND_REPEAT.REPEAT_X;
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case 'repeat-y':
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case 'no-repeat repeat':
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return BACKGROUND_REPEAT.REPEAT_Y;
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case 'repeat':
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default:
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return BACKGROUND_REPEAT.REPEAT;
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}
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};
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