forked from zhurui/management
63 lines
2.1 KiB
JavaScript
63 lines
2.1 KiB
JavaScript
"use strict";
|
|
Object.defineProperty(exports, "__esModule", { value: true });
|
|
exports.parse = void 0;
|
|
const source_map_1 = require("source-map");
|
|
const hash = require('hash-sum');
|
|
const cache = new (require('lru-cache'))(100);
|
|
const splitRE = /\r?\n/g;
|
|
const emptyRE = /^(?:\/\/)?\s*$/;
|
|
function parse(options) {
|
|
const { source, filename = '', compiler, compilerParseOptions = { pad: 'line' }, sourceRoot = '', needMap = true } = options;
|
|
const cacheKey = hash(filename + source + JSON.stringify(compilerParseOptions));
|
|
let output = cache.get(cacheKey);
|
|
if (output)
|
|
return output;
|
|
output = compiler.parseComponent(source, compilerParseOptions);
|
|
if (needMap) {
|
|
if (output.script && !output.script.src) {
|
|
output.script.map = generateSourceMap(filename, source, output.script.content, sourceRoot, compilerParseOptions.pad);
|
|
}
|
|
if (output.styles) {
|
|
output.styles.forEach(style => {
|
|
if (!style.src) {
|
|
style.map = generateSourceMap(filename, source, style.content, sourceRoot, compilerParseOptions.pad);
|
|
}
|
|
});
|
|
}
|
|
}
|
|
cache.set(cacheKey, output);
|
|
return output;
|
|
}
|
|
exports.parse = parse;
|
|
function generateSourceMap(filename, source, generated, sourceRoot, pad) {
|
|
const map = new source_map_1.SourceMapGenerator({
|
|
file: filename.replace(/\\/g, '/'),
|
|
sourceRoot: sourceRoot.replace(/\\/g, '/')
|
|
});
|
|
let offset = 0;
|
|
if (!pad) {
|
|
offset =
|
|
source
|
|
.split(generated)
|
|
.shift()
|
|
.split(splitRE).length - 1;
|
|
}
|
|
map.setSourceContent(filename, source);
|
|
generated.split(splitRE).forEach((line, index) => {
|
|
if (!emptyRE.test(line)) {
|
|
map.addMapping({
|
|
source: filename,
|
|
original: {
|
|
line: index + 1 + offset,
|
|
column: 0
|
|
},
|
|
generated: {
|
|
line: index + 1,
|
|
column: 0
|
|
}
|
|
});
|
|
}
|
|
});
|
|
return JSON.parse(map.toString());
|
|
}
|