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Rename and refactor applyFix from fixErrors for one-off scenarios.

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This commit is contained in:
David Anson 2019-09-12 21:50:40 -07:00
parent 0502e370de
commit 5895ea62cb
2 changed files with 35 additions and 25 deletions
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48
helpers/helpers.js
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@ -399,19 +399,35 @@ module.exports.frontMatterHasTitle =
frontMatterLines.some((line) => frontMatterTitleRe.test(line));
};
// Applies as many fixes as possible to the input
module.exports.fixErrors = function fixErrors(input, errors) {
// Normalizes the fields of a fixInfo object
function normalizeFixInfo(fixInfo, lineNumber) {
return {
"lineNumber": fixInfo.lineNumber || lineNumber,
"editColumn": fixInfo.editColumn || 1,
"deleteCount": fixInfo.deleteCount || 0,
"insertText": fixInfo.insertText || ""
};
}
// Fixes the specifide error on a line
function applyFix(line, fixInfo) {
const { editColumn, deleteCount, insertText } = normalizeFixInfo(fixInfo);
const editIndex = editColumn - 1;
return (deleteCount === -1) ?
null :
line.slice(0, editIndex) +
insertText +
line.slice(editIndex + deleteCount);
}
module.exports.applyFix = applyFix;
// Applies as many fixes as possible to the input lines
module.exports.applyFixes = function applyFixes(input, errors) {
const lines = input.split(newLineRe);
// Normalize fixInfo objects
let fixInfos = errors.filter((error) => !!error.fixInfo).map((error) => {
const { fixInfo } = error;
return {
"lineNumber": fixInfo.lineNumber || error.lineNumber,
"editColumn": fixInfo.editColumn || 1,
"deleteCount": fixInfo.deleteCount || 0,
"insertText": fixInfo.insertText || ""
};
});
let fixInfos = errors
.filter((error) => error.fixInfo)
.map((error) => normalizeFixInfo(error.fixInfo, error.lineNumber));
// Sort bottom-to-top, line-deletes last, right-to-left, long-to-short
fixInfos.sort((a, b) => {
const aDeletingLine = (a.deleteCount === -1);
@ -455,7 +471,7 @@ module.exports.fixErrors = function fixErrors(input, errors) {
let lastLineIndex = -1;
let lastEditIndex = -1;
fixInfos.forEach((fixInfo) => {
const { lineNumber, editColumn, deleteCount, insertText } = fixInfo;
const { lineNumber, editColumn, deleteCount } = fixInfo;
const lineIndex = lineNumber - 1;
const editIndex = editColumn - 1;
if (
@ -463,13 +479,7 @@ module.exports.fixErrors = function fixErrors(input, errors) {
((editIndex + deleteCount) < lastEditIndex) ||
(deleteCount === -1)
) {
const line = lines[lineIndex];
lines[lineIndex] =
(deleteCount === -1) ?
null :
line.slice(0, editIndex) +
insertText +
line.slice(editIndex + deleteCount);
lines[lineIndex] = applyFix(lines[lineIndex], fixInfo);
}
lastLineIndex = lineIndex;
lastEditIndex = editIndex;