polymer-analyzer
Version:
Static analysis for Web Components
124 lines • 4.09 kB
JavaScript
;
/**
* @license
* Copyright (c) 2016 The Polymer Project Authors. All rights reserved.
* This code may only be used under the BSD style license found at
* http://polymer.github.io/LICENSE.txt
* The complete set of authors may be found at
* http://polymer.github.io/AUTHORS.txt
* The complete set of contributors may be found at
* http://polymer.github.io/CONTRIBUTORS.txt
* Code distributed by Google as part of the polymer project is also
* subject to an additional IP rights grant found at
* http://polymer.github.io/PATENTS.txt
*/
Object.defineProperty(exports, "__esModule", { value: true });
function correctSourceRange(sourceRange, locationOffset) {
if (!locationOffset || !sourceRange) {
return sourceRange;
}
return {
file: locationOffset.filename || sourceRange.file,
start: correctPosition(sourceRange.start, locationOffset),
end: correctPosition(sourceRange.end, locationOffset)
};
}
exports.correctSourceRange = correctSourceRange;
function correctPosition(position, locationOffset) {
return {
line: position.line + locationOffset.line,
column: position.column + (position.line === 0 ? locationOffset.col : 0)
};
}
exports.correctPosition = correctPosition;
function uncorrectSourceRange(sourceRange, locationOffset) {
if (locationOffset == null || sourceRange == null) {
return sourceRange;
}
return {
file: locationOffset.filename || sourceRange.file,
start: uncorrectPosition(sourceRange.start, locationOffset),
end: uncorrectPosition(sourceRange.end, locationOffset),
};
}
exports.uncorrectSourceRange = uncorrectSourceRange;
function uncorrectPosition(position, locationOffset) {
const line = position.line - locationOffset.line;
return {
line: line,
column: position.column - (line === 0 ? locationOffset.col : 0)
};
}
exports.uncorrectPosition = uncorrectPosition;
/**
* Returns -1 if source position `a` comes before source position `b`, returns 0
* if they are the same, returns 1 if `a` comes after `b`.
*/
function comparePosition(a, b) {
if (a.line !== b.line) {
return a.line < b.line ? -1 : 1;
}
if (a.column !== b.column) {
return a.column < b.column ? -1 : 1;
}
return 0;
}
exports.comparePosition = comparePosition;
/**
* If the position is inside the range, returns 0. If it comes before the range,
* it returns -1. If it comes after the range, it returns 1.
*
* TODO(rictic): test this method directly (currently most of its tests are
* indirectly, through ast-from-source-position).
*/
function comparePositionAndRange(position, range, includeEdges) {
// Usually we want to include the edges of a range as part
// of the thing, but sometimes, e.g. for start and end tags,
// we'd rather not.
if (includeEdges == null) {
includeEdges = true;
}
if (includeEdges == null) {
includeEdges = true;
}
if (position.line < range.start.line) {
return -1;
}
if (position.line > range.end.line) {
return 1;
}
if (position.line === range.start.line) {
if (includeEdges) {
if (position.column < range.start.column) {
return -1;
}
}
else {
if (position.column <= range.start.column) {
return -1;
}
}
}
if (position.line === range.end.line) {
if (includeEdges) {
if (position.column > range.end.column) {
return 1;
}
}
else {
if (position.column >= range.end.column) {
return 1;
}
}
}
return 0;
}
exports.comparePositionAndRange = comparePositionAndRange;
function isPositionInsideRange(position, range, includeEdges) {
if (!range) {
return false;
}
return comparePositionAndRange(position, range, includeEdges) === 0;
}
exports.isPositionInsideRange = isPositionInsideRange;
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