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author | 2020-11-16 00:10:28 +0100 | |
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committer | 2020-11-16 00:10:28 +0100 | |
commit | e06ec920f7a5d784e674c4c4b4e6d1da3dc7391d (patch) | |
tree | 55713f725f77b44ebfec86e4eec3ce33e71458ca /node_modules/@webassemblyjs/helper-code-frame/lib/index.js | |
download | website_creator-e06ec920f7a5d784e674c4c4b4e6d1da3dc7391d.tar.gz website_creator-e06ec920f7a5d784e674c4c4b4e6d1da3dc7391d.tar.bz2 website_creator-e06ec920f7a5d784e674c4c4b4e6d1da3dc7391d.zip |
api, login, auth
Diffstat (limited to 'node_modules/@webassemblyjs/helper-code-frame/lib/index.js')
-rw-r--r-- | node_modules/@webassemblyjs/helper-code-frame/lib/index.js | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/node_modules/@webassemblyjs/helper-code-frame/lib/index.js b/node_modules/@webassemblyjs/helper-code-frame/lib/index.js new file mode 100644 index 0000000..977de89 --- /dev/null +++ b/node_modules/@webassemblyjs/helper-code-frame/lib/index.js @@ -0,0 +1,47 @@ +"use strict"; + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.codeFrameFromAst = codeFrameFromAst; +exports.codeFrameFromSource = codeFrameFromSource; + +var _wastPrinter = require("@webassemblyjs/wast-printer"); + +function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); } + +var SHOW_LINES_AROUND_POINTER = 5; + +function repeat(char, nb) { + return Array(nb).fill(char).join(""); +} // TODO(sven): allow arbitrary ast nodes + + +function codeFrameFromAst(ast, loc) { + return codeFrameFromSource((0, _wastPrinter.print)(ast), loc); +} + +function codeFrameFromSource(source, loc) { + var start = loc.start, + end = loc.end; + var length = 1; + + if (_typeof(end) === "object") { + length = end.column - start.column + 1; + } + + return source.split("\n").reduce(function (acc, line, lineNbr) { + if (Math.abs(start.line - lineNbr) < SHOW_LINES_AROUND_POINTER) { + acc += line + "\n"; + } // Add a new line with the pointer padded left + + + if (lineNbr === start.line - 1) { + acc += repeat(" ", start.column - 1); + acc += repeat("^", length); + acc += "\n"; + } + + return acc; + }, ""); +}
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