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Apply existing formatting to pasted content, preserve whitespace

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Scott Nonnenberg 2023-08-04 09:29:47 -07:00 • committed by GitHub
parent f597f15faf
commit e3ffc70389
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9 changed files with 191 additions and 53 deletions
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49
ts/quill/formatting/matchers.ts
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@ -2,13 +2,20 @@
// SPDX-License-Identifier: AGPL-3.0-only
import Delta from 'quill-delta';
import type { Matcher, AttributeMap } from 'quill';
import { QuillFormattingStyle } from './menu';
function applyStyleToOps(delta: Delta, style: QuillFormattingStyle): Delta {
function applyStyleToOps(
delta: Delta,
style: QuillFormattingStyle,
attributes: AttributeMap
): Delta {
return new Delta(
delta.map(op => ({
...op,
attributes: {
...attributes,
...op.attributes,
[style]: true,
},
@ -16,31 +23,47 @@ function applyStyleToOps(delta: Delta, style: QuillFormattingStyle): Delta {
);
}
export const matchBold = (_node: HTMLElement, delta: Delta): Delta => {
export const matchBold: Matcher = (
_node: HTMLElement,
delta: Delta,
attributes: AttributeMap
): Delta => {
if (delta.length() > 0) {
return applyStyleToOps(delta, QuillFormattingStyle.bold);
return applyStyleToOps(delta, QuillFormattingStyle.bold, attributes);
}
return delta;
};
export const matchItalic = (_node: HTMLElement, delta: Delta): Delta => {
export const matchItalic: Matcher = (
_node: HTMLElement,
delta: Delta,
attributes: AttributeMap
): Delta => {
if (delta.length() > 0) {
return applyStyleToOps(delta, QuillFormattingStyle.italic);
return applyStyleToOps(delta, QuillFormattingStyle.italic, attributes);
}
return delta;
};
export const matchStrikethrough = (_node: HTMLElement, delta: Delta): Delta => {
export const matchStrikethrough: Matcher = (
_node: HTMLElement,
delta: Delta,
attributes: AttributeMap
): Delta => {
if (delta.length() > 0) {
return applyStyleToOps(delta, QuillFormattingStyle.strike);
return applyStyleToOps(delta, QuillFormattingStyle.strike, attributes);
}
return delta;
};
export const matchMonospace = (node: HTMLElement, delta: Delta): Delta => {
export const matchMonospace: Matcher = (
node: HTMLElement,
delta: Delta,
attributes: AttributeMap
): Delta => {
const classes = [
'MessageTextRenderer__formatting--monospace',
'quill--monospace',
@ -55,13 +78,17 @@ export const matchMonospace = (node: HTMLElement, delta: Delta): Delta => {
node.classList.contains(classes[1]) ||
node.attributes.getNamedItem('style')?.value?.includes(fontFamily))
) {
return applyStyleToOps(delta, QuillFormattingStyle.monospace);
return applyStyleToOps(delta, QuillFormattingStyle.monospace, attributes);
}
return delta;
};
export const matchSpoiler = (node: HTMLElement, delta: Delta): Delta => {
export const matchSpoiler: Matcher = (
node: HTMLElement,
delta: Delta,
attributes: AttributeMap
): Delta => {
const classes = [
'quill--spoiler',
'MessageTextRenderer__formatting--spoiler',
@ -74,7 +101,7 @@ export const matchSpoiler = (node: HTMLElement, delta: Delta): Delta => {
node.classList.contains(classes[1]) ||
node.classList.contains(classes[2]))
) {
return applyStyleToOps(delta, QuillFormattingStyle.spoiler);
return applyStyleToOps(delta, QuillFormattingStyle.spoiler, attributes);
}
return delta;
};