ISharedString Interface

Packages > fluid-framework > ISharedString

Fluid object interface describing access methods on a SharedString

This API is provided for existing users, but is not recommended for new users.

To use, import via fluid-framework/legacy.

For more information about our API support guarantees, see here .

Signature

export interface ISharedString extends ISharedSegmentSequence<SharedStringSegment>

Extends: ISharedSegmentSequence <SharedStringSegment >

Methods

Method Alerts Return Type Description
annotateMarker(marker, props) Alpha void Annotates the marker with the provided properties.
getMarkerFromId(id) Alpha ISegment | undefined Looks up and returns a Marker using its id. Returns undefined if there is no marker with the provided id in this SharedString.
getText(start, end) Alpha string Retrieve text from the SharedString in string format.
getTextRangeWithMarkers(start, end) Alpha string
getTextWithPlaceholders(start, end) Alpha string Adds spaces for markers and handles, so that position calculations account for them.
insertMarker(pos, refType, props) Alpha void Inserts a marker at the position.
insertMarkerRelative(relativePos1, refType, props) Alpha void Inserts a marker at a relative position.
insertText(pos, text, props) Alpha void Inserts the text at the position.
insertTextRelative(relativePos1, text, props) Alpha void Inserts the text at the position.
removeText(start, end) Alpha void Removes the text in the given range.
replaceText(start, end, text, props) Alpha void Replaces a range with the provided text.
searchForMarker(startPos, markerLabel, forwards) Alpha Marker | undefined Searches a string for the nearest marker in either direction to a given start position. The search will include the start position, so markers at the start position are valid results of the search.

Method Details

annotateMarker

Annotates the marker with the provided properties.

This API is provided as an alpha preview and may change without notice.

To use, import via fluid-framework/alpha.

For more information about our API support guarantees, see here .

Signature

annotateMarker(marker: Marker, props: PropertySet): void;

Parameters

Parameter Type Description
marker Marker The marker to annotate
props PropertySet The properties to annotate the marker with

getMarkerFromId

Looks up and returns a Marker using its id. Returns undefined if there is no marker with the provided id in this SharedString.

This API is provided as an alpha preview and may change without notice.

To use, import via fluid-framework/alpha.

For more information about our API support guarantees, see here .

Signature

getMarkerFromId(id: string): ISegment | undefined;

Parameters

Parameter Type Description
id string

Returns

Return type: ISegment | undefined

getText

Retrieve text from the SharedString in string format.

This API is provided as an alpha preview and may change without notice.

To use, import via fluid-framework/alpha.

For more information about our API support guarantees, see here .

Signature

getText(start?: number, end?: number): string;

Parameters

Parameter Modifiers Type Description
start optional number The starting index of the text to retrieve, or 0 if omitted.
end optional number The ending index of the text to retrieve, or the end of the string if omitted

Returns

The requested text content as a string.

Return type: string

getTextRangeWithMarkers

This API is provided as an alpha preview and may change without notice.

To use, import via fluid-framework/alpha.

For more information about our API support guarantees, see here .

Signature

getTextRangeWithMarkers(start: number, end: number): string;

Parameters

Parameter Type Description
start number
end number

Returns

Return type: string

getTextWithPlaceholders

Adds spaces for markers and handles, so that position calculations account for them.

This API is provided as an alpha preview and may change without notice.

To use, import via fluid-framework/alpha.

For more information about our API support guarantees, see here .

Signature

getTextWithPlaceholders(start?: number, end?: number): string;

Parameters

Parameter Modifiers Type Description
start optional number
end optional number

Returns

Return type: string

insertMarker

Inserts a marker at the position.

This API is provided as an alpha preview and may change without notice.

To use, import via fluid-framework/alpha.

For more information about our API support guarantees, see here .

Signature

insertMarker(pos: number, refType: ReferenceType, props?: PropertySet): void;

Parameters

Parameter Modifiers Type Description
pos number The position to insert the marker at
refType ReferenceType The reference type of the marker
props optional PropertySet The properties of the marker

insertMarkerRelative

Inserts a marker at a relative position.

This API is provided as an alpha preview and may change without notice.

To use, import via fluid-framework/alpha.

For more information about our API support guarantees, see here .

Signature

insertMarkerRelative(relativePos1: IRelativePosition, refType: ReferenceType, props?: PropertySet): void;

Parameters

Parameter Modifiers Type Description
relativePos1 IRelativePosition The relative position to insert the marker at
refType ReferenceType The reference type of the marker
props optional PropertySet The properties of the marker

insertText

Inserts the text at the position.

This API is provided as an alpha preview and may change without notice.

To use, import via fluid-framework/alpha.

For more information about our API support guarantees, see here .

Signature

insertText(pos: number, text: string, props?: PropertySet): void;

Parameters

Parameter Modifiers Type Description
pos number The position to insert the text at
text string The text to insert
props optional PropertySet The properties of the text

insertTextRelative

Inserts the text at the position.

This API is provided as an alpha preview and may change without notice.

To use, import via fluid-framework/alpha.

For more information about our API support guarantees, see here .

Signature

insertTextRelative(relativePos1: IRelativePosition, text: string, props?: PropertySet): void;

Parameters

Parameter Modifiers Type Description
relativePos1 IRelativePosition The relative position to insert the text at
text string The text to insert
props optional PropertySet The properties of text

removeText

Removes the text in the given range.

This API is provided as an alpha preview and may change without notice.

To use, import via fluid-framework/alpha.

For more information about our API support guarantees, see here .

Signature

removeText(start: number, end: number): void;

Parameters

Parameter Type Description
start number The inclusive start of the range to remove
end number The exclusive end of the range to replace

Returns

the message sent.

replaceText

Replaces a range with the provided text.

This API is provided as an alpha preview and may change without notice.

To use, import via fluid-framework/alpha.

For more information about our API support guarantees, see here .

Signature

replaceText(start: number, end: number, text: string, props?: PropertySet): void;

Parameters

Parameter Modifiers Type Description
start number The inclusive start of the range to replace
end number The exclusive end of the range to replace
text string The text to replace the range with
props optional PropertySet Optional. The properties of the replacement text

searchForMarker

Searches a string for the nearest marker in either direction to a given start position. The search will include the start position, so markers at the start position are valid results of the search.

This API is provided as an alpha preview and may change without notice.

To use, import via fluid-framework/alpha.

For more information about our API support guarantees, see here .

Signature

searchForMarker(startPos: number, markerLabel: string, forwards?: boolean): Marker | undefined;

Parameters

Parameter Modifiers Type Description
startPos number Position at which to start the search
markerLabel string Label of the marker to search for
forwards optional boolean Whether the desired marker comes before (false) or after (true) startPos. Default true.

Returns

Return type: Marker | undefined