Add node_modules

node_modules/yaml/dist/errors.js

@@ -0,0 +1,62 @@
+'use strict';
+
+class YAMLError extends Error {
+    constructor(name, pos, code, message) {
+        super();
+        this.name = name;
+        this.code = code;
+        this.message = message;
+        this.pos = pos;
+    }
+}
+class YAMLParseError extends YAMLError {
+    constructor(pos, code, message) {
+        super('YAMLParseError', pos, code, message);
+    }
+}
+class YAMLWarning extends YAMLError {
+    constructor(pos, code, message) {
+        super('YAMLWarning', pos, code, message);
+    }
+}
+const prettifyError = (src, lc) => (error) => {
+    if (error.pos[0] === -1)
+        return;
+    error.linePos = error.pos.map(pos => lc.linePos(pos));
+    const { line, col } = error.linePos[0];
+    error.message += ` at line ${line}, column ${col}`;
+    let ci = col - 1;
+    let lineStr = src
+        .substring(lc.lineStarts[line - 1], lc.lineStarts[line])
+        .replace(/[\n\r]+$/, '');
+    // Trim to max 80 chars, keeping col position near the middle
+    if (ci >= 60 && lineStr.length > 80) {
+        const trimStart = Math.min(ci - 39, lineStr.length - 79);
+        lineStr = '…' + lineStr.substring(trimStart);
+        ci -= trimStart - 1;
+    }
+    if (lineStr.length > 80)
+        lineStr = lineStr.substring(0, 79) + '…';
+    // Include previous line in context if pointing at line start
+    if (line > 1 && /^ *$/.test(lineStr.substring(0, ci))) {
+        // Regexp won't match if start is trimmed
+        let prev = src.substring(lc.lineStarts[line - 2], lc.lineStarts[line - 1]);
+        if (prev.length > 80)
+            prev = prev.substring(0, 79) + '…\n';
+        lineStr = prev + lineStr;
+    }
+    if (/[^ ]/.test(lineStr)) {
+        let count = 1;
+        const end = error.linePos[1];
+        if (end && end.line === line && end.col > col) {
+            count = Math.min(end.col - col, 80 - ci);
+        }
+        const pointer = ' '.repeat(ci) + '^'.repeat(count);
+        error.message += `:\n\n${lineStr}\n${pointer}\n`;
+    }
+};
+
+exports.YAMLError = YAMLError;
+exports.YAMLParseError = YAMLParseError;
+exports.YAMLWarning = YAMLWarning;
+exports.prettifyError = prettifyError;