53 lines
2.1 KiB
JavaScript

export function isSpace(source) {
return /^\s+$/.test(source);
}
export function hasCR(source) {
return /\r$/.test(source);
}
export function splitCR(source) {
const matches = source.match(/\r+$/);
return matches == null
? ['', source]
: [source.slice(-matches[0].length), source.slice(0, -matches[0].length)];
}
export function splitSpace(source) {
const matches = source.match(/^\s+/);
return matches == null
? ['', source]
: [source.slice(0, matches[0].length), source.slice(matches[0].length)];
}
export function splitLines(source) {
return source.split(/\n/);
}
export function seedBlock(block = {}) {
return Object.assign({ description: '', tags: [], source: [], problems: [] }, block);
}
export function seedSpec(spec = {}) {
return Object.assign({ tag: '', name: '', type: '', optional: false, description: '', problems: [], source: [] }, spec);
}
export function seedTokens(tokens = {}) {
return Object.assign({ start: '', delimiter: '', postDelimiter: '', tag: '', postTag: '', name: '', postName: '', type: '', postType: '', description: '', end: '', lineEnd: '' }, tokens);
}
/**
* Assures Block.tags[].source contains references to the Block.source items,
* using Block.source as a source of truth. This is a counterpart of rewireSpecs
* @param block parsed coments block
*/
export function rewireSource(block) {
const source = block.source.reduce((acc, line) => acc.set(line.number, line), new Map());
for (const spec of block.tags) {
spec.source = spec.source.map((line) => source.get(line.number));
}
return block;
}
/**
* Assures Block.source contains references to the Block.tags[].source items,
* using Block.tags[].source as a source of truth. This is a counterpart of rewireSource
* @param block parsed coments block
*/
export function rewireSpecs(block) {
const source = block.tags.reduce((acc, spec) => spec.source.reduce((acc, line) => acc.set(line.number, line), acc), new Map());
block.source = block.source.map((line) => source.get(line.number) || line);
return block;
}