Navigation JS

Generates mode-specific navigation and selection JS functions.

Public API

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generate_navigation_js

def generate_navigation_js(
    config:TokenSelectorConfig, # config for this instance
    ids:TokenSelectorHtmlIds, # HTML IDs
)->str: # JS code fragment for the IIFE

Generate mode-specific navigation and selection JS functions.

from cjm_fasthtml_token_selector.core.config import TokenSelectorConfig, _reset_prefix_counter
from cjm_fasthtml_token_selector.core.html_ids import TokenSelectorHtmlIds

_reset_prefix_counter()

# Gap mode
cfg = TokenSelectorConfig(prefix="t", selection_mode="gap")
ids = TokenSelectorHtmlIds(prefix="t")
js = generate_navigation_js(cfg, ids)
assert "ns.moveLeft" in js
assert "ns.moveRight" in js
assert "ns.selectGap" in js
assert "ns.moveToFirst" in js
assert "ns.moveToLast" in js
print("Gap mode navigation JS generated!")

# Word mode
cfg_w = TokenSelectorConfig(prefix="tw", selection_mode="word")
js_w = generate_navigation_js(cfg_w, ids)
assert "ns.selectWord" in js_w
print("Word mode navigation JS generated!")

# Span mode
cfg_s = TokenSelectorConfig(prefix="ts", selection_mode="span")
js_s = generate_navigation_js(cfg_s, ids)
assert "ns.extendLeft" in js_s
assert "ns.extendRight" in js_s
assert "ns.selectToken" in js_s
print("Span mode navigation JS generated!")

_reset_prefix_counter()
print("All navigation JS tests passed!")

Gap mode navigation JS generated!
Word mode navigation JS generated!
Span mode navigation JS generated!
All navigation JS tests passed!