diff options
Diffstat (limited to 'assets/node_modules/@babel/core/lib/transformation/file/merge-map.js')
| -rw-r--r-- | assets/node_modules/@babel/core/lib/transformation/file/merge-map.js | 247 |
1 files changed, 0 insertions, 247 deletions
diff --git a/assets/node_modules/@babel/core/lib/transformation/file/merge-map.js b/assets/node_modules/@babel/core/lib/transformation/file/merge-map.js deleted file mode 100644 index d49c994..0000000 --- a/assets/node_modules/@babel/core/lib/transformation/file/merge-map.js +++ /dev/null @@ -1,247 +0,0 @@ -"use strict"; - -Object.defineProperty(exports, "__esModule", { - value: true -}); -exports.default = mergeSourceMap; - -function _sourceMap() { - const data = _interopRequireDefault(require("source-map")); - - _sourceMap = function () { - return data; - }; - - return data; -} - -function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } - -function mergeSourceMap(inputMap, map) { - const input = buildMappingData(inputMap); - const output = buildMappingData(map); - const mergedGenerator = new (_sourceMap().default.SourceMapGenerator)(); - - for (const { - source - } of input.sources) { - if (typeof source.content === "string") { - mergedGenerator.setSourceContent(source.path, source.content); - } - } - - if (output.sources.length === 1) { - const defaultSource = output.sources[0]; - const insertedMappings = new Map(); - eachInputGeneratedRange(input, (generated, original, source) => { - eachOverlappingGeneratedOutputRange(defaultSource, generated, item => { - const key = makeMappingKey(item); - if (insertedMappings.has(key)) return; - insertedMappings.set(key, item); - mergedGenerator.addMapping({ - source: source.path, - original: { - line: original.line, - column: original.columnStart - }, - generated: { - line: item.line, - column: item.columnStart - }, - name: original.name - }); - }); - }); - - for (const item of insertedMappings.values()) { - if (item.columnEnd === Infinity) { - continue; - } - - const clearItem = { - line: item.line, - columnStart: item.columnEnd - }; - const key = makeMappingKey(clearItem); - - if (insertedMappings.has(key)) { - continue; - } - - mergedGenerator.addMapping({ - generated: { - line: clearItem.line, - column: clearItem.columnStart - } - }); - } - } - - const result = mergedGenerator.toJSON(); - - if (typeof input.sourceRoot === "string") { - result.sourceRoot = input.sourceRoot; - } - - return result; -} - -function makeMappingKey(item) { - return `${item.line}/${item.columnStart}`; -} - -function eachOverlappingGeneratedOutputRange(outputFile, inputGeneratedRange, callback) { - const overlappingOriginal = filterApplicableOriginalRanges(outputFile, inputGeneratedRange); - - for (const { - generated - } of overlappingOriginal) { - for (const item of generated) { - callback(item); - } - } -} - -function filterApplicableOriginalRanges({ - mappings -}, { - line, - columnStart, - columnEnd -}) { - return filterSortedArray(mappings, ({ - original: outOriginal - }) => { - if (line > outOriginal.line) return -1; - if (line < outOriginal.line) return 1; - if (columnStart >= outOriginal.columnEnd) return -1; - if (columnEnd <= outOriginal.columnStart) return 1; - return 0; - }); -} - -function eachInputGeneratedRange(map, callback) { - for (const { - source, - mappings - } of map.sources) { - for (const { - original, - generated - } of mappings) { - for (const item of generated) { - callback(item, original, source); - } - } - } -} - -function buildMappingData(map) { - const consumer = new (_sourceMap().default.SourceMapConsumer)(Object.assign({}, map, { - sourceRoot: null - })); - const sources = new Map(); - const mappings = new Map(); - let last = null; - consumer.computeColumnSpans(); - consumer.eachMapping(m => { - if (m.originalLine === null) return; - let source = sources.get(m.source); - - if (!source) { - source = { - path: m.source, - content: consumer.sourceContentFor(m.source, true) - }; - sources.set(m.source, source); - } - - let sourceData = mappings.get(source); - - if (!sourceData) { - sourceData = { - source, - mappings: [] - }; - mappings.set(source, sourceData); - } - - const obj = { - line: m.originalLine, - columnStart: m.originalColumn, - columnEnd: Infinity, - name: m.name - }; - - if (last && last.source === source && last.mapping.line === m.originalLine) { - last.mapping.columnEnd = m.originalColumn; - } - - last = { - source, - mapping: obj - }; - sourceData.mappings.push({ - original: obj, - generated: consumer.allGeneratedPositionsFor({ - source: m.source, - line: m.originalLine, - column: m.originalColumn - }).map(item => ({ - line: item.line, - columnStart: item.column, - columnEnd: item.lastColumn + 1 - })) - }); - }, null, _sourceMap().default.SourceMapConsumer.ORIGINAL_ORDER); - return { - file: map.file, - sourceRoot: map.sourceRoot, - sources: Array.from(mappings.values()) - }; -} - -function findInsertionLocation(array, callback) { - let left = 0; - let right = array.length; - - while (left < right) { - const mid = Math.floor((left + right) / 2); - const item = array[mid]; - const result = callback(item); - - if (result === 0) { - left = mid; - break; - } - - if (result >= 0) { - right = mid; - } else { - left = mid + 1; - } - } - - let i = left; - - if (i < array.length) { - while (i >= 0 && callback(array[i]) >= 0) { - i--; - } - - return i + 1; - } - - return i; -} - -function filterSortedArray(array, callback) { - const start = findInsertionLocation(array, callback); - const results = []; - - for (let i = start; i < array.length && callback(array[i]) === 0; i++) { - results.push(array[i]); - } - - return results; -}
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