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fix: js编辑器移除尾逗号

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This commit is contained in:
zude.hzd 2020-11-12 22:32:34 +08:00
parent d719c43e60
commit 7cd5c5c256
1 changed files with 26 additions and 1 deletions
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27
packages/plugin-source-editor/src/transform.ts
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@ -24,7 +24,8 @@ const transfrom = {
const stateStartStr = this.pickupStateStartStr(codeNew);
if (stateStartStr != null) {
startIndex = codeNew.indexOf(stateStartStr) + stateStartStr.length;
const stateBodyStr = this.pickupFunctionBody(codeNew, startIndex);
let stateBodyStr = this.pickupFunctionBody(codeNew, startIndex);
stateBodyStr = this.filterEndComma(stateBodyStr);
const stateData = JSON.parse('{' + stateBodyStr);
functionMap.state = stateData;
}
@ -78,6 +79,30 @@ const transfrom = {
return functionMap;
},
/**
* 过滤掉尾逗号
*/
filterEndComma(str) {
let commaIndex = -1;
for (let i = str.length - 1; i > 0; i--) {
if (str[i] == ',') {
commaIndex = i;
break;
} else if (/^[a-zA-Z]+$/.test(str[i])) {
break;
}
}
if (commaIndex > 0) {
const newStr = str.substr(0, commaIndex) + str.substr(commaIndex + 1, str.length - 1);
return newStr;
}
return str;
},
pickupFunctionName(codeStr) {
// 函数名的正则表达式