code style
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@@ -15,43 +15,43 @@ export function triggerCharacter(char, { allowSpaces = false, startOfLine = fals
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*/
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*/
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return $position => {
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return $position => {
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// Matching expressions used for later
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// Matching expressions used for later
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const suffix = new RegExp(`\\s${char}$`);
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const suffix = new RegExp(`\\s${char}$`)
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const prefix = startOfLine ? '^' : ''
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const prefix = startOfLine ? '^' : ''
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const regexp = allowSpaces
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const regexp = allowSpaces
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? new RegExp(`${prefix}${char}.*?(?=\\s${char}|$)`, 'g')
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? new RegExp(`${prefix}${char}.*?(?=\\s${char}|$)`, 'g')
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: new RegExp(`${prefix}(?:^)?${char}[^\\s${char}]*`, 'g');
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: new RegExp(`${prefix}(?:^)?${char}[^\\s${char}]*`, 'g')
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// Lookup the boundaries of the current node
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// Lookup the boundaries of the current node
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const textFrom = $position.before();
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const textFrom = $position.before()
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const textTo = $position.end();
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const textTo = $position.end()
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const text = $position.doc.textBetween(textFrom, textTo, '\0', '\0');
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const text = $position.doc.textBetween(textFrom, textTo, '\0', '\0')
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let match;
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let match
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while ((match = regexp.exec(text))) {
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while ((match = regexp.exec(text))) {
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// Javascript doesn't have lookbehinds; this hacks a check that first character is " " or the line beginning
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// Javascript doesn't have lookbehinds; this hacks a check that first character is " " or the line beginning
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const prefix = match.input.slice(Math.max(0, match.index - 1), match.index);
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const prefix = match.input.slice(Math.max(0, match.index - 1), match.index)
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if (!/^[\s\0]?$/.test(prefix)) {
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if (!/^[\s\0]?$/.test(prefix)) {
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continue;
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continue
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}
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}
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// The absolute position of the match in the document
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// The absolute position of the match in the document
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const from = match.index + $position.start();
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const from = match.index + $position.start()
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let to = from + match[0].length;
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let to = from + match[0].length
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// Edge case handling; if spaces are allowed and we're directly in between two triggers
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// Edge case handling; if spaces are allowed and we're directly in between two triggers
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if (allowSpaces && suffix.test(text.slice(to - 1, to + 1))) {
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if (allowSpaces && suffix.test(text.slice(to - 1, to + 1))) {
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match[0] += ' ';
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match[0] += ' '
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to++;
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to++
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}
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}
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// If the $position is located within the matched substring, return that range
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// If the $position is located within the matched substring, return that range
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if (from < $position.pos && to >= $position.pos) {
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if (from < $position.pos && to >= $position.pos) {
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return { range: { from, to }, text: match[0] };
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return { range: { from, to }, text: match[0] }
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}
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}
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}
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}
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};
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}
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}
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}
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/**
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/**
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@@ -72,14 +72,14 @@ export function suggestionsPlugin({
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view() {
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view() {
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return {
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return {
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update: (view, prevState) => {
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update: (view, prevState) => {
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const prev = this.key.getState(prevState);
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const prev = this.key.getState(prevState)
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const next = this.key.getState(view.state);
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const next = this.key.getState(view.state)
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// See how the state changed
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// See how the state changed
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const moved = prev.active && next.active && prev.range.from !== next.range.from;
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const moved = prev.active && next.active && prev.range.from !== next.range.from
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const started = !prev.active && next.active;
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const started = !prev.active && next.active
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const stopped = prev.active && !next.active;
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const stopped = prev.active && !next.active
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const changed = !started && !stopped && prev.text !== next.text;
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const changed = !started && !stopped && prev.text !== next.text
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const decorationNode = document.querySelector(`[data-decoration-id="${next.decorationId}"]`)
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const decorationNode = document.querySelector(`[data-decoration-id="${next.decorationId}"]`)
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// Trigger the hooks when necessary
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// Trigger the hooks when necessary
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@@ -124,7 +124,7 @@ export function suggestionsPlugin({
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active: false,
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active: false,
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range: {},
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range: {},
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text: null,
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text: null,
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};
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}
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},
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},
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/**
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/**
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@@ -136,42 +136,42 @@ export function suggestionsPlugin({
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* @returns {Object}
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* @returns {Object}
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*/
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*/
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apply(tr, prev) {
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apply(tr, prev) {
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const { selection } = tr;
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const { selection } = tr
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const next = { ...prev };
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const next = { ...prev }
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// We can only be suggesting if there is no selection
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// We can only be suggesting if there is no selection
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if (selection.from === selection.to) {
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if (selection.from === selection.to) {
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// Reset active state if we just left the previous suggestion range
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// Reset active state if we just left the previous suggestion range
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if (selection.from < prev.range.from || selection.from > prev.range.to) {
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if (selection.from < prev.range.from || selection.from > prev.range.to) {
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next.active = false;
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next.active = false
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}
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}
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// Try to match against where our cursor currently is
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// Try to match against where our cursor currently is
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const $position = selection.$from;
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const $position = selection.$from
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const match = matcher($position);
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const match = matcher($position)
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const decorationId = (Math.random() + 1).toString(36).substr(2, 5);
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const decorationId = (Math.random() + 1).toString(36).substr(2, 5)
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// If we found a match, update the current state to show it
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// If we found a match, update the current state to show it
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if (match) {
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if (match) {
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next.active = true;
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next.active = true
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next.decorationId = prev.decorationId ? prev.decorationId : decorationId;
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next.decorationId = prev.decorationId ? prev.decorationId : decorationId
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next.range = match.range;
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next.range = match.range
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next.text = match.text;
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next.text = match.text
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} else {
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} else {
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next.active = false;
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next.active = false
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}
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}
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} else {
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} else {
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next.active = false;
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next.active = false
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}
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}
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// Make sure to empty the range if suggestion is inactive
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// Make sure to empty the range if suggestion is inactive
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if (!next.active) {
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if (!next.active) {
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next.decorationId = null;
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next.decorationId = null
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next.range = {};
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next.range = {}
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next.text = null;
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next.text = null
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}
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}
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return next;
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return next
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},
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},
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},
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},
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@@ -184,11 +184,11 @@ export function suggestionsPlugin({
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* @returns {boolean}
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* @returns {boolean}
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*/
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*/
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handleKeyDown(view, event) {
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handleKeyDown(view, event) {
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const { active } = this.getState(view.state);
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const { active } = this.getState(view.state)
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if (!active) return false;
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if (!active) return false
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return onKeyDown({ view, event });
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return onKeyDown({ view, event })
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},
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},
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/**
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/**
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@@ -199,9 +199,9 @@ export function suggestionsPlugin({
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* @returns {?DecorationSet}
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* @returns {?DecorationSet}
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*/
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*/
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decorations(editorState) {
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decorations(editorState) {
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const { active, range, decorationId } = this.getState(editorState);
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const { active, range, decorationId } = this.getState(editorState)
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if (!active) return null;
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if (!active) return null
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return DecorationSet.create(editorState.doc, [
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return DecorationSet.create(editorState.doc, [
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Decoration.inline(range.from, range.to, {
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Decoration.inline(range.from, range.to, {
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@@ -210,8 +210,8 @@ export function suggestionsPlugin({
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'data-decoration-id': decorationId,
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'data-decoration-id': decorationId,
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style: debug ? 'background: rgba(0, 0, 255, 0.05); color: blue; border: 2px solid blue;' : null,
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style: debug ? 'background: rgba(0, 0, 255, 0.05); color: blue; border: 2px solid blue;' : null,
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}),
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}),
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]);
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])
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},
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},
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},
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},
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});
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})
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}
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}
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