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Performance optimization of code block (#1783)

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* performance optimization of code block

* throttle render in code block

* render immediatly when auto pair
This commit is contained in:
Ran Luo 2019-12-05 10:34:16 +08:00 committed by GitHub
parent e91193af23
commit 57c145f06c
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 37 additions and 9 deletions
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46
src/muya/lib/contentState/inputCtrl.js
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@ -28,6 +28,9 @@ const BACK_HASH = {
'~': '~'
}
// TODO: refactor later.
let renderCodeBlockTimer = null
const inputCtrl = ContentState => {
// Input @ to quick insert paragraph
ContentState.prototype.checkQuickInsert = function (block) {
@ -36,7 +39,11 @@ const inputCtrl = ContentState => {
return /^@\S*$/.test(text)
}
ContentState.prototype.checkCursorInTokenType = function (text, offset, type) {
ContentState.prototype.checkCursorInTokenType = function (functionType, text, offset, type) {
if (!/atxLine|paragraphContent|cellContent/.test(functionType)) {
return false
}
const tokens = tokenizer(text, {
hasBeginRules: false,
options: this.muya.options
@ -44,7 +51,11 @@ const inputCtrl = ContentState => {
return tokens.filter(t => t.type === type).some(t => offset >= t.range.start && offset <= t.range.end)
}
ContentState.prototype.checkNotSameToken = function (oldText, text) {
ContentState.prototype.checkNotSameToken = function (functionType, oldText, text) {
if (!/atxLine|paragraphContent|cellContent/.test(functionType)) {
return false
}
const oldTokens = tokenizer(oldText, {
options: this.muya.options
})
@ -194,8 +205,8 @@ const inputCtrl = ContentState => {
} else {
/* eslint-disable no-useless-escape */
// Not Unicode aware, since things like \p{Alphabetic} or \p{L} are not supported yet
const isInInlineMath = this.checkCursorInTokenType(text, offset, 'inline_math')
const isInInlineCode = this.checkCursorInTokenType(text, offset, 'inline_code')
const isInInlineMath = this.checkCursorInTokenType(block.functionType, text, offset, 'inline_math')
const isInInlineCode = this.checkCursorInTokenType(block.functionType, text, offset, 'inline_code')
if (
!/\\/.test(preInputChar) &&
((autoPairQuote && /[']{1}/.test(inputChar) && !(/[a-zA-Z\d]{1}/.test(preInputChar))) ||
@ -222,7 +233,7 @@ const inputCtrl = ContentState => {
}
}
if (this.checkNotSameToken(block.text, text)) {
if (this.checkNotSameToken(block.functionType, block.text, text)) {
needRender = true
}
// Just work for `Shift + Enter` to create a soft and hard line break.
@ -278,13 +289,29 @@ const inputCtrl = ContentState => {
this.muya.eventCenter.dispatch('muya-quick-insert', reference, block, !!checkQuickInsert)
this.cursor = { start, end }
// Throttle render if edit in code block.
if (block && block.type === 'span' && block.functionType === 'codeContent') {
needRender = true
if (renderCodeBlockTimer) {
clearTimeout(renderCodeBlockTimer)
}
if (needRender) {
this.singleRender(block)
} else {
renderCodeBlockTimer = setTimeout(() => {
this.singleRender(block)
}, 300)
}
return
}
const checkMarkedUpdate = /atxLine|paragraphContent|cellContent/.test(block.functionType) ? this.checkNeedRender() : false
let inlineUpdatedBlock = null
if (/atxLine|paragraphContent|cellContent/.test(block.functionType)) {
inlineUpdatedBlock = this.isCollapse() && this.checkInlineUpdate(block)
}
this.cursor = { start, end }
const checkMarkedUpdate = this.checkNeedRender()
const inlineUpdatedBlock = this.isCollapse() && this.checkInlineUpdate(block)
// just for fix #707,need render All if in combines pre list and next list into one list.
if (inlineUpdatedBlock) {
const liBlock = this.getParent(inlineUpdatedBlock)
@ -292,6 +319,7 @@ const inputCtrl = ContentState => {
needRenderAll = true
}
}
if (checkMarkedUpdate || inlineUpdatedBlock || needRender) {
return needRenderAll ? this.render() : this.partialRender()
}