ckgl/node_modules/vant/lib/highlight/Highlight.js
2024-12-21 13:52:42 +08:00

148 lines
4.6 KiB
JavaScript

var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
for (var name2 in all)
__defProp(target, name2, { get: all[name2], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
if (from && typeof from === "object" || typeof from === "function") {
for (let key of __getOwnPropNames(from))
if (!__hasOwnProp.call(to, key) && key !== except)
__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
}
return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
var stdin_exports = {};
__export(stdin_exports, {
default: () => stdin_default,
highlightProps: () => highlightProps
});
module.exports = __toCommonJS(stdin_exports);
var import_vue = require("vue");
var import_utils = require("../utils");
const [name, bem] = (0, import_utils.createNamespace)("highlight");
const highlightProps = {
autoEscape: import_utils.truthProp,
caseSensitive: Boolean,
highlightClass: String,
highlightTag: (0, import_utils.makeStringProp)("span"),
keywords: (0, import_utils.makeRequiredProp)([String, Array]),
sourceString: (0, import_utils.makeStringProp)(""),
tag: (0, import_utils.makeStringProp)("div"),
unhighlightClass: String,
unhighlightTag: (0, import_utils.makeStringProp)("span")
};
var stdin_default = (0, import_vue.defineComponent)({
name,
props: highlightProps,
setup(props) {
const highlightChunks = (0, import_vue.computed)(() => {
const {
autoEscape,
caseSensitive,
keywords,
sourceString
} = props;
const flags = caseSensitive ? "g" : "gi";
const _keywords = Array.isArray(keywords) ? keywords : [keywords];
let chunks = _keywords.filter((keyword) => keyword).reduce((chunks2, keyword) => {
if (autoEscape) {
keyword = keyword.replace(/[.*+?^${}()|[\]\\]/g, "\\$&");
}
const regex = new RegExp(keyword, flags);
let match;
while (match = regex.exec(sourceString)) {
const start = match.index;
const end = regex.lastIndex;
if (start >= end) {
regex.lastIndex++;
continue;
}
chunks2.push({
start,
end,
highlight: true
});
}
return chunks2;
}, []);
chunks = chunks.sort((a, b) => a.start - b.start).reduce((chunks2, currentChunk) => {
const prevChunk = chunks2[chunks2.length - 1];
if (!prevChunk || currentChunk.start > prevChunk.end) {
const unhighlightStart = prevChunk ? prevChunk.end : 0;
const unhighlightEnd = currentChunk.start;
if (unhighlightStart !== unhighlightEnd) {
chunks2.push({
start: unhighlightStart,
end: unhighlightEnd,
highlight: false
});
}
chunks2.push(currentChunk);
} else {
prevChunk.end = Math.max(prevChunk.end, currentChunk.end);
}
return chunks2;
}, []);
const lastChunk = chunks[chunks.length - 1];
if (!lastChunk) {
chunks.push({
start: 0,
end: sourceString.length,
highlight: false
});
}
if (lastChunk && lastChunk.end < sourceString.length) {
chunks.push({
start: lastChunk.end,
end: sourceString.length,
highlight: false
});
}
return chunks;
});
const renderContent = () => {
const {
sourceString,
highlightClass,
unhighlightClass,
highlightTag,
unhighlightTag
} = props;
return highlightChunks.value.map((chunk) => {
const {
start,
end,
highlight
} = chunk;
const text = sourceString.slice(start, end);
if (highlight) {
return (0, import_vue.createVNode)(highlightTag, {
"class": [bem("tag"), highlightClass]
}, {
default: () => [text]
});
}
return (0, import_vue.createVNode)(unhighlightTag, {
"class": unhighlightClass
}, {
default: () => [text]
});
});
};
return () => {
const {
tag
} = props;
return (0, import_vue.createVNode)(tag, {
"class": bem()
}, {
default: () => [renderContent()]
});
};
}
});