Fix.

node_modules/istanbul-reports/lib/html/annotator.js

@@ -0,0 +1,275 @@
+/*
+ Copyright 2012-2015, Yahoo Inc.
+ Copyrights licensed under the New BSD License. See the accompanying LICENSE file for terms.
+ */
+'use strict';
+
+const InsertionText = require('./insertion-text');
+const lt = '\u0001';
+const gt = '\u0002';
+const RE_LT = /</g;
+const RE_GT = />/g;
+const RE_AMP = /&/g;
+// eslint-disable-next-line
+var RE_lt = /\u0001/g;
+// eslint-disable-next-line
+var RE_gt = /\u0002/g;
+
+function title(str) {
+    return ' title="' + str + '" ';
+}
+
+function customEscape(text) {
+    text = String(text);
+    return text
+        .replace(RE_AMP, '&amp;')
+        .replace(RE_LT, '&lt;')
+        .replace(RE_GT, '&gt;')
+        .replace(RE_lt, '<')
+        .replace(RE_gt, '>');
+}
+
+function annotateLines(fileCoverage, structuredText) {
+    const lineStats = fileCoverage.getLineCoverage();
+    if (!lineStats) {
+        return;
+    }
+    Object.keys(lineStats).forEach(lineNumber => {
+        const count = lineStats[lineNumber];
+        if (structuredText[lineNumber]) {
+            structuredText[lineNumber].covered = count > 0 ? 'yes' : 'no';
+            structuredText[lineNumber].hits = count;
+        }
+    });
+}
+
+function annotateStatements(fileCoverage, structuredText) {
+    const statementStats = fileCoverage.s;
+    const statementMeta = fileCoverage.statementMap;
+    Object.keys(statementStats).forEach(stName => {
+        const count = statementStats[stName];
+        const meta = statementMeta[stName];
+        const type = count > 0 ? 'yes' : 'no';
+        const startCol = meta.start.column;
+        let endCol = meta.end.column + 1;
+        const startLine = meta.start.line;
+        const endLine = meta.end.line;
+        const openSpan =
+            lt +
+            'span class="' +
+            (meta.skip ? 'cstat-skip' : 'cstat-no') +
+            '"' +
+            title('statement not covered') +
+            gt;
+        const closeSpan = lt + '/span' + gt;
+        let text;
+
+        if (type === 'no' && structuredText[startLine]) {
+            if (endLine !== startLine) {
+                endCol = structuredText[startLine].text.originalLength();
+            }
+            text = structuredText[startLine].text;
+            text.wrap(
+                startCol,
+                openSpan,
+                startCol < endCol ? endCol : text.originalLength(),
+                closeSpan
+            );
+        }
+    });
+}
+
+function annotateFunctions(fileCoverage, structuredText) {
+    const fnStats = fileCoverage.f;
+    const fnMeta = fileCoverage.fnMap;
+    if (!fnStats) {
+        return;
+    }
+    Object.keys(fnStats).forEach(fName => {
+        const count = fnStats[fName];
+        const meta = fnMeta[fName];
+        const type = count > 0 ? 'yes' : 'no';
+        const startCol = meta.decl.start.column;
+        let endCol = meta.decl.end.column + 1;
+        const startLine = meta.decl.start.line;
+        const endLine = meta.decl.end.line;
+        const openSpan =
+            lt +
+            'span class="' +
+            (meta.skip ? 'fstat-skip' : 'fstat-no') +
+            '"' +
+            title('function not covered') +
+            gt;
+        const closeSpan = lt + '/span' + gt;
+        let text;
+
+        if (type === 'no' && structuredText[startLine]) {
+            if (endLine !== startLine) {
+                endCol = structuredText[startLine].text.originalLength();
+            }
+            text = structuredText[startLine].text;
+            text.wrap(
+                startCol,
+                openSpan,
+                startCol < endCol ? endCol : text.originalLength(),
+                closeSpan
+            );
+        }
+    });
+}
+
+function annotateBranches(fileCoverage, structuredText) {
+    const branchStats = fileCoverage.b;
+    const branchMeta = fileCoverage.branchMap;
+    if (!branchStats) {
+        return;
+    }
+
+    Object.keys(branchStats).forEach(branchName => {
+        const branchArray = branchStats[branchName];
+        const sumCount = branchArray.reduce((p, n) => p + n, 0);
+        const metaArray = branchMeta[branchName].locations;
+        let i;
+        let count;
+        let meta;
+        let startCol;
+        let endCol;
+        let startLine;
+        let endLine;
+        let openSpan;
+        let closeSpan;
+        let text;
+
+        // only highlight if partial branches are missing or if there is a
+        // single uncovered branch.
+        if (sumCount > 0 || (sumCount === 0 && branchArray.length === 1)) {
+            for (
+                i = 0;
+                i < branchArray.length && i < metaArray.length;
+                i += 1
+            ) {
+                count = branchArray[i];
+                meta = metaArray[i];
+                startCol = meta.start.column;
+                endCol = meta.end.column + 1;
+                startLine = meta.start.line;
+                endLine = meta.end.line;
+                openSpan =
+                    lt +
+                    'span class="branch-' +
+                    i +
+                    ' ' +
+                    (meta.skip ? 'cbranch-skip' : 'cbranch-no') +
+                    '"' +
+                    title('branch not covered') +
+                    gt;
+                closeSpan = lt + '/span' + gt;
+
+                if (count === 0 && structuredText[startLine]) {
+                    //skip branches taken
+                    if (endLine !== startLine) {
+                        endCol = structuredText[
+                            startLine
+                        ].text.originalLength();
+                    }
+                    text = structuredText[startLine].text;
+                    if (branchMeta[branchName].type === 'if') {
+                        // 'if' is a special case
+                        // since the else branch might not be visible, being non-existent
+                        text.insertAt(
+                            startCol,
+                            lt +
+                                'span class="' +
+                                (meta.skip
+                                    ? 'skip-if-branch'
+                                    : 'missing-if-branch') +
+                                '"' +
+                                title(
+                                    (i === 0 ? 'if' : 'else') +
+                                        ' path not taken'
+                                ) +
+                                gt +
+                                (i === 0 ? 'I' : 'E') +
+                                lt +
+                                '/span' +
+                                gt,
+                            true,
+                            false
+                        );
+                    } else {
+                        text.wrap(
+                            startCol,
+                            openSpan,
+                            startCol < endCol ? endCol : text.originalLength(),
+                            closeSpan
+                        );
+                    }
+                }
+            }
+        }
+    });
+}
+
+function annotateSourceCode(fileCoverage, sourceStore) {
+    let codeArray;
+    let lineCoverageArray;
+    try {
+        const sourceText = sourceStore.getSource(fileCoverage.path);
+        const code = sourceText.split(/(?:\r?\n)|\r/);
+        let count = 0;
+        const structured = code.map(str => {
+            count += 1;
+            return {
+                line: count,
+                covered: 'neutral',
+                hits: 0,
+                text: new InsertionText(str, true)
+            };
+        });
+        structured.unshift({
+            line: 0,
+            covered: null,
+            text: new InsertionText('')
+        });
+        annotateLines(fileCoverage, structured);
+        //note: order is important, since statements typically result in spanning the whole line and doing branches late
+        //causes mismatched tags
+        annotateBranches(fileCoverage, structured);
+        annotateFunctions(fileCoverage, structured);
+        annotateStatements(fileCoverage, structured);
+        structured.shift();
+
+        codeArray = structured.map(
+            item => customEscape(item.text.toString()) || '&nbsp;'
+        );
+
+        lineCoverageArray = structured.map(item => ({
+            covered: item.covered,
+            hits: item.hits > 0 ? item.hits + 'x' : '&nbsp;'
+        }));
+
+        return {
+            annotatedCode: codeArray,
+            lineCoverage: lineCoverageArray,
+            maxLines: structured.length
+        };
+    } catch (ex) {
+        codeArray = [ex.message];
+        lineCoverageArray = [{ covered: 'no', hits: 0 }];
+        String(ex.stack || '')
+            .split(/\r?\n/)
+            .forEach(line => {
+                codeArray.push(line);
+                lineCoverageArray.push({ covered: 'no', hits: 0 });
+            });
+        return {
+            annotatedCode: codeArray,
+            lineCoverage: lineCoverageArray,
+            maxLines: codeArray.length
+        };
+    }
+}
+
+module.exports = {
+    annotateSourceCode
+};