ut-tools
Version:
Build and Release management automation package.
98 lines • 3.51 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
const buildJsonPath_1 = require("./buildJsonPath");
const types_1 = require("./types");
const utils_1 = require("./utils");
exports.getJsonPathForPosition = ({ ast, lineMap }, { line, character }) => {
if (line >= lineMap.length || character >= lineMap[line]) {
return;
}
const startOffset = line === 0 ? 0 : lineMap[line - 1] + 1;
const node = findClosestScalar(ast, Math.min(lineMap[line] - 1, startOffset + character), line, lineMap);
if (!utils_1.isObject(node))
return;
const path = buildJsonPath_1.buildJsonPath(node);
if (path.length === 0)
return;
return path;
};
function* walk(node) {
switch (node.kind) {
case types_1.Kind.MAP:
if (node.mappings.length !== 0) {
for (const mapping of node.mappings) {
if (utils_1.isObject(mapping)) {
yield mapping;
}
}
}
break;
case types_1.Kind.MAPPING:
if (utils_1.isObject(node.key)) {
yield node.key;
}
if (utils_1.isObject(node.value)) {
yield node.value;
}
break;
case types_1.Kind.SEQ:
if (node.items.length !== 0) {
for (const item of node.items) {
if (utils_1.isObject(item)) {
yield item;
}
}
}
break;
case types_1.Kind.SCALAR:
yield node;
break;
}
}
function getFirstScalarChild(node, line, lineMap) {
const startOffset = lineMap[line - 1] + 1;
const endOffset = lineMap[line];
switch (node.kind) {
case types_1.Kind.MAPPING:
return node.key;
case types_1.Kind.MAP:
if (node.mappings.length !== 0) {
for (const mapping of node.mappings) {
if (mapping.startPosition > startOffset && mapping.startPosition <= endOffset) {
return getFirstScalarChild(mapping, line, lineMap);
}
}
}
break;
case types_1.Kind.SEQ:
if (node.items.length !== 0) {
for (const item of node.items) {
if (item !== null && item.startPosition > startOffset && item.startPosition <= endOffset) {
return getFirstScalarChild(item, line, lineMap);
}
}
}
break;
}
return node;
}
function findClosestScalar(container, offset, line, lineMap) {
for (const node of walk(container)) {
if (node.startPosition <= offset && offset <= node.endPosition) {
return node.kind === types_1.Kind.SCALAR ? node : findClosestScalar(node, offset, line, lineMap);
}
}
if (lineMap[line - 1] === lineMap[line] - 1) {
return container;
}
if (container.startPosition < lineMap[line - 1] && offset <= container.endPosition) {
if (container.kind !== types_1.Kind.MAPPING) {
return getFirstScalarChild(container, line, lineMap);
}
if (container.value && container.key.endPosition < offset) {
return getFirstScalarChild(container.value, line, lineMap);
}
}
return container;
}
//# sourceMappingURL=getJsonPathForPosition.js.map