54 lines
1.5 KiB
TypeScript
54 lines
1.5 KiB
TypeScript
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/**
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* Internal dependencies
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*/
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import { create } from './create';
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import { normaliseFormats } from './normalise-formats';
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import { RichTextValue } from './types';
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/**
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* Insert a Rich Text value, an HTML string, or a plain text string, into a
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* Rich Text value at the given `startIndex`. Any content between `startIndex`
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* and `endIndex` will be removed. Indices are retrieved from the selection if
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* none are provided.
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*
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* @param {RichTextValue} value Value to modify.
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* @param {RichTextValue|string} valueToInsert Value to insert.
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* @param {number} [startIndex] Start index.
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* @param {number} [endIndex] End index.
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*
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* @return {RichTextValue} A new value with the value inserted.
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*/
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export function insert(
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value: RichTextValue,
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valueToInsert: RichTextValue|string,
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startIndex: number = value.start || 0,
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endIndex: number = value.end || 0,
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) {
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const { formats, replacements, text } = value;
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if ( typeof valueToInsert === 'string' ) {
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valueToInsert = create( { text: valueToInsert } );
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}
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const index = startIndex + valueToInsert.text.length;
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return normaliseFormats( {
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formats: formats
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.slice( 0, startIndex )
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.concat( valueToInsert.formats, formats.slice( endIndex ) ),
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replacements: replacements
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.slice( 0, startIndex )
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.concat(
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valueToInsert.replacements,
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replacements.slice( endIndex )
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),
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text:
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text.slice( 0, startIndex ) +
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valueToInsert.text +
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text.slice( endIndex ),
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start: index,
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end: index,
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} );
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}
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