95 lines
2.5 KiB
JavaScript
95 lines
2.5 KiB
JavaScript
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'use strict';
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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var _fs = require('fs');
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var _path = require('path');
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var _istanbulLibInstrument = require('istanbul-lib-instrument');
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var testExclude = require('test-exclude');
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var findUp = require('find-up');
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function getRealpath(n) {
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try {
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return (0, _fs.realpathSync)(n) || n;
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} catch (e) {
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return n;
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}
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}
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function makeShouldSkip() {
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var exclude = void 0;
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return function shouldSkip(file, opts) {
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if (!exclude) {
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var cwd = getRealpath(process.env.NYC_CWD || process.cwd());
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var nycConfig = process.env.NYC_CONFIG ? JSON.parse(process.env.NYC_CONFIG) : {};
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var config = {};
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if (Object.keys(opts).length > 0) {
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// explicitly configuring options in babel
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// takes precendence.
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config = opts;
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} else if (nycConfig.include || nycConfig.exclude) {
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// nyc was configured in a parent process (keep these settings).
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config = {
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include: nycConfig.include,
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exclude: nycConfig.exclude
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};
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} else {
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// fallback to loading config from key in package.json.
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config = {
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configKey: 'nyc',
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configPath: (0, _path.dirname)(findUp.sync('package.json', { cwd: cwd }))
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};
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}
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exclude = testExclude(Object.assign({ cwd: cwd }, config));
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}
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return !exclude.shouldInstrument(file);
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};
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}
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function makeVisitor(_ref) {
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var t = _ref.types;
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var shouldSkip = makeShouldSkip();
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return {
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visitor: {
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Program: {
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enter: function enter(path) {
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this.__dv__ = null;
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var realPath = getRealpath(this.file.opts.filename);
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if (shouldSkip(realPath, this.opts)) {
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return;
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}
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var inputSourceMap = this.opts.inputSourceMap;
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if (this.opts.useInlineSourceMaps !== false) {
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inputSourceMap = inputSourceMap || this.file.opts.inputSourceMap;
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}
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this.__dv__ = (0, _istanbulLibInstrument.programVisitor)(t, realPath, {
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coverageVariable: '__coverage__',
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inputSourceMap: inputSourceMap
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});
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this.__dv__.enter(path);
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},
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exit: function exit(path) {
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if (!this.__dv__) {
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return;
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}
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var result = this.__dv__.exit(path);
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if (this.opts.onCover) {
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this.opts.onCover(getRealpath(this.file.opts.filename), result.fileCoverage);
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}
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}
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}
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}
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};
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}
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exports.default = makeVisitor;
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