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refactor: core.utils.replaceText

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unanmed 2024-11-07 21:17:53 +08:00
parent 1f09332cb5
commit eccb29a524
1 changed files with 36 additions and 17 deletions
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53
public/libs/utils.js
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@ -33,24 +33,43 @@ utils.prototype._init = function () {
////// 将文字中的${和}（表达式）进行替换 //////
utils.prototype.replaceText = function (text, prefix) {
if (typeof text != 'string') return text;
var index = text.indexOf('${');
if (index < 0) return text;
var cnt = 0,
curr = index;
while (++curr < text.length) {
if (text.charAt(curr) == '{') cnt++;
if (text.charAt(curr) == '}') cnt--;
if (cnt == 0) break;
if (typeof text !== 'string') return text;
let pointer = -1;
let res = '';
let expression = '';
let blockDepth = 0;
let inExpression = false;
while (++pointer < text.length) {
const char = text[pointer];
if (inExpression) {
if (char === '}') {
blockDepth--;
} else if (char === '{') {
blockDepth++;
}
if (blockDepth === 0) {
inExpression = false;
res += String(core.utils.calValue(expression, prefix));
expression = '';
} else {
expression += char;
}
continue;
}
if (char === '$' && text[pointer + 1] === '{') {
pointer++;
inExpression = true;
blockDepth++;
continue;
}
res += char;
}
if (cnt != 0) return text;
var value = core.calValue(text.substring(index + 2, curr), prefix);
if (value == null) value = '';
return (
text.substring(0, index) +
value +
core.replaceText(text.substring(curr + 1), prefix)
);
return res;
};
utils.prototype.replaceValue = function (value) {