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Add a few more functions to autocomplete

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Aria 2025-11-24 18:41:25 -06:00
parent d7afb8a6c0
commit 7e5a907ce5
2 changed files with 155 additions and 5 deletions
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27
packages/core/pattern.mjs
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@ -574,7 +574,8 @@ export class Pattern {
* Returns a new Pattern, which only returns haps that meet the given test.
* @param {Function} hap_test - a function which returns false for haps to be removed from the pattern
* @returns Pattern
* @noAutocomplete
* @example
* s("bd*8").velocity(rand).filterHaps((h) => (h.whole.begin % 1) < h.value.velocity)
*/
filterHaps(hap_test) {
return new Pattern((state) => this.query(state).filter(hap_test));
@ -585,12 +586,22 @@ export class Pattern {
* inside haps.
* @param {Function} value_test
* @returns Pattern
* @noAutocomplete
* @synonyms filtval
* @example
* const drums = s("bd sd bd sd")
* kick: drums.filterValues((v) => v.s === 'bd').duck(2)
* snare: drums.filterValues((v) => v.s === 'sd')
* bass: s("saw!4").note("G#1").lpf(80).lpenv(4).orbit(2)
*/
filterValues(value_test) {
return new Pattern((state) => this.query(state).filter((hap) => value_test(hap.value))).setSteps(this._steps);
}
// synonym
filtval(value_test) {
this.filterValues(value_test);
}
/**
* Returns a new pattern, with haps containing undefined values removed from
* query results.
@ -2665,8 +2676,13 @@ export const hsl = register('hsl', (h, s, l, pat) => {
/**
* Tags each Hap with an identifier. Good for filtering. The function populates Hap.context.tags (Array).
* @name tag
* @noAutocomplete
* @param {string} tag anything unique
* @example
* s("saw!16").note("F1")
* .lpf(tri.range(40, 80).slow(4)).lpenv(5).lpq(4).lpd(0.15)
* .when(rand.late(0.1).gte(0.5), x => x.transpose("12").tag('altered'))
* .when(rand.late(0.2).gte(0.5), x => x.s("square").tag('altered'))
* .when("<0 1>", x => x.filter((hap) => hap.hasTag('altered')))
*/
Pattern.prototype.tag = function (tag) {
return this.withContext((ctx) => ({ ...ctx, tags: (ctx.tags || []).concat([tag]) }));
@ -2677,15 +2693,16 @@ Pattern.prototype.tag = function (tag) {
* @name filter
* @param {Function} test function to test Hap
* @example
* s("hh!7 oh").filter(hap => hap.value.s==='hh')
* s("hh!7 oh").filter(hap => hap.value.s === 'hh')
*/
export const filter = register('filter', (test, pat) => pat.withHaps((haps) => haps.filter(test)));
/**
* Filters haps by their begin time
* @name filterWhen
* @noAutocomplete
* @param {Function} test function to test Hap.whole.begin
* @example
* oneCycle: s("bd*4").filterWhen((t) => t < 1)
*/
export const filterWhen = register('filterWhen', (test, pat) => pat.filter((h) => test(h.whole.begin)));