diff options
Diffstat (limited to 'tools/node_modules/eslint/node_modules/unist-util-stringify-position/index.js')
-rw-r--r-- | tools/node_modules/eslint/node_modules/unist-util-stringify-position/index.js | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/tools/node_modules/eslint/node_modules/unist-util-stringify-position/index.js b/tools/node_modules/eslint/node_modules/unist-util-stringify-position/index.js new file mode 100644 index 0000000000..bf8ac832b0 --- /dev/null +++ b/tools/node_modules/eslint/node_modules/unist-util-stringify-position/index.js @@ -0,0 +1,50 @@ +'use strict'; + +var own = {}.hasOwnProperty; + +module.exports = stringify; + +function stringify(value) { + /* Nothing. */ + if (!value || typeof value !== 'object') { + return null; + } + + /* Node. */ + if (own.call(value, 'position') || own.call(value, 'type')) { + return location(value.position); + } + + /* Location. */ + if (own.call(value, 'start') || own.call(value, 'end')) { + return location(value); + } + + /* Position. */ + if (own.call(value, 'line') || own.call(value, 'column')) { + return position(value); + } + + /* ? */ + return null; +} + +function position(pos) { + if (!pos || typeof pos !== 'object') { + pos = {}; + } + + return index(pos.line) + ':' + index(pos.column); +} + +function location(loc) { + if (!loc || typeof loc !== 'object') { + loc = {}; + } + + return position(loc.start) + '-' + position(loc.end); +} + +function index(value) { + return value && typeof value === 'number' ? value : 1; +} |